mirror of https://gitee.com/bigwinds/arangodb
5746 lines
159 KiB
JavaScript
5746 lines
159 KiB
JavaScript
/* jshint strict: false, unused: true, bitwise: false, esnext: true */
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/* global COMPARE_STRING, AQL_WARNING, AQL_QUERY_SLEEP */
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/* global OBJECT_HASH */
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief Aql, internal query functions
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// /
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// / @file
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// /
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// / DISCLAIMER
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// /
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// / Copyright 2010-2012 triagens GmbH, Cologne, Germany
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// /
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// / Licensed under the Apache License, Version 2.0 (the "License")
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// / you may not use this file except in compliance with the License.
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// / You may obtain a copy of the License at
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// /
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// / http://www.apache.org/licenses/LICENSE-2.0
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// /
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// / Unless required by applicable law or agreed to in writing, software
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// / distributed under the License is distributed on an "AS IS" BASIS,
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// / WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// / See the License for the specific language governing permissions and
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// / limitations under the License.
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// /
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// / Copyright holder is triAGENS GmbH, Cologne, Germany
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// /
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// / @author Jan Steemann
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// / @author Copyright 2012, triAGENS GmbH, Cologne, Germany
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// //////////////////////////////////////////////////////////////////////////////
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var INTERNAL = require('internal');
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var ArangoError = require('@arangodb').ArangoError;
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var isCoordinator = require('@arangodb/cluster').isCoordinator();
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief cache for compiled regexes
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// //////////////////////////////////////////////////////////////////////////////
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var LikeCache = { };
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var RegexCache = { };
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief user functions cache
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// //////////////////////////////////////////////////////////////////////////////
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var UserFunctions = { };
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief prefab traversal visitors
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// //////////////////////////////////////////////////////////////////////////////
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var DefaultVisitors = {
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'_AQL::HASATTRIBUTESVISITOR': {
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visitorReturnsResults: true,
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func: function (config, result, vertex, path) {
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if (typeof config.data === 'object' && Array.isArray(config.data.attributes)) {
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if (config.data.attributes.length === 0) {
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return;
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}
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var allowNull = true; // default value
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if (config.data.hasOwnProperty('allowNull')) {
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allowNull = config.data.allowNull;
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}
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var i;
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if (config.data.type === 'any') {
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for (i = 0; i < config.data.attributes.length; ++i) {
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if (!vertex.hasOwnProperty(config.data.attributes[i])) {
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continue;
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}
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if (!allowNull && vertex[config.data.attributes[i]] === null) {
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continue;
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}
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return CLONE({ vertex: vertex, path: path });
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}
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return;
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}
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for (i = 0; i < config.data.attributes.length; ++i) {
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if (!vertex.hasOwnProperty(config.data.attributes[i])) {
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return;
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}
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if (!allowNull &&
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vertex[config.data.attributes[i]] === null) {
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return;
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}
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}
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return CLONE({ vertex: vertex, path: path });
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}
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}
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},
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'_AQL::PROJECTINGVISITOR': {
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visitorReturnsResults: true,
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func: function (config, result, vertex) {
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var values = { };
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if (typeof config.data === 'object' && Array.isArray(config.data.attributes)) {
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config.data.attributes.forEach(function (attribute) {
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values[attribute] = vertex[attribute];
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});
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}
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return values;
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}
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},
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'_AQL::IDVISITOR': {
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visitorReturnsResults: true,
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func: function (config, result, vertex) {
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return vertex._id;
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}
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},
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'_AQL::KEYVISITOR': {
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visitorReturnsResults: true,
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func: function (config, result, vertex) {
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return vertex._key;
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}
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},
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'_AQL::COUNTINGVISITOR': {
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visitorReturnsResults: false,
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func: function (config, result) {
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if (result.length === 0) {
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result.push(0);
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}
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result[0]++;
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}
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}
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief type weight used for sorting and comparing
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// //////////////////////////////////////////////////////////////////////////////
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var TYPEWEIGHT_NULL = 0;
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var TYPEWEIGHT_BOOL = 1;
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var TYPEWEIGHT_NUMBER = 2;
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var TYPEWEIGHT_STRING = 4;
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var TYPEWEIGHT_ARRAY = 8;
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var TYPEWEIGHT_OBJECT = 16;
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief mapping of time unit names to short name, getter and setter
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// //////////////////////////////////////////////////////////////////////////////
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var unitMapping = {
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y: ['y', 'getUTCFullYear', 'setUTCFullYear'],
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m: ['m', 'getUTCMonth', 'setUTCMonth'],
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w: ['w', null, null],
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d: ['d', 'getUTCDate', 'setUTCDate'],
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h: ['h', 'getUTCHours', 'setUTCHours'],
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i: ['i', 'getUTCMinutes', 'setUTCMinutes'],
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s: ['s', 'getUTCSeconds', 'setUTCSeconds'],
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f: ['f', 'getUTCMilliseconds', 'setUTCMilliseconds']
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};
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// aliases
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unitMapping.years = unitMapping.y;
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unitMapping.year = unitMapping.y;
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unitMapping.months = unitMapping.m;
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unitMapping.month = unitMapping.m;
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unitMapping.week = unitMapping.w;
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unitMapping.weeks = unitMapping.w;
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unitMapping.days = unitMapping.d;
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unitMapping.day = unitMapping.d;
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unitMapping.hours = unitMapping.h;
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unitMapping.hour = unitMapping.h;
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unitMapping.minutes = unitMapping.i;
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unitMapping.minute = unitMapping.i;
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unitMapping.seconds = unitMapping.s;
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unitMapping.second = unitMapping.s;
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unitMapping.milliseconds = unitMapping.f;
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unitMapping.millisecond = unitMapping.f;
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unitMapping.ms = unitMapping.f;
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var unitMappingArray = [null, 'y', 'm', 'w', 'd', 'h', 'i', 's', 'f'];
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief RegExp and cache for ISO duration strings
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// //////////////////////////////////////////////////////////////////////////////
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// ISODurationRegex.exec("P1Y2M3W4DT5H6M7.890S")
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// -> ["P1Y2M3W4DT5H6M7.890S", "1", "2", "3", "4", "5", "6", "7", "890"]
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/* jshint -W101 */
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var ISODurationRegex = /^P(?:(?:(\d+)Y)?(?:(\d+)M)?(?:(\d+)W)?(?:(\d+)D)?)?(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)(?:\.(\d+))?S)?)?$/i;
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/* jshint +W101 */
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var ISODurationCache = {};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief substring ranges for DATE_COMPARE()
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// //////////////////////////////////////////////////////////////////////////////
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// 0123_56_89_12_45_78_012_
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var unitStrRanges = {
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y: [0, 4],
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m: [5, 7],
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d: [8, 10],
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h: [11, 13],
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i: [14, 16],
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s: [17, 19],
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f: [20, 23]
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};
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unitStrRanges.years = unitStrRanges.y;
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unitStrRanges.year = unitStrRanges.y;
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unitStrRanges.months = unitStrRanges.m;
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unitStrRanges.month = unitStrRanges.m;
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unitStrRanges.days = unitStrRanges.d;
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unitStrRanges.day = unitStrRanges.d;
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unitStrRanges.hours = unitStrRanges.h;
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unitStrRanges.hour = unitStrRanges.h;
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unitStrRanges.minutes = unitStrRanges.i;
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unitStrRanges.minute = unitStrRanges.i;
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unitStrRanges.seconds = unitStrRanges.s;
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unitStrRanges.second = unitStrRanges.s;
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unitStrRanges.milliseconds = unitStrRanges.f;
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unitStrRanges.millisecond = unitStrRanges.f;
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unitStrRanges.ms = unitStrRanges.f;
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief offsets for day of year calculation
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// //////////////////////////////////////////////////////////////////////////////
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var dayOfYearOffsets = [
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0,
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31, // + 31 Jan
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59, // + 28 Feb*
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90, // + 31 Mar
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120, // + 30 Apr
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151, // + 31 May
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181, // + 30 Jun
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212, // + 31 Jul
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243, // + 31 Aug
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273, // + 30 Sep
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304, // + 31 Oct
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334 // + 30 Nov
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];
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var dayOfLeapYearOffsets = [
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0,
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31, // + 31 Jan
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59, // + 29 Feb*
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91, // + 31 Mar
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121, // + 30 Apr
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152, // + 31 May
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182, // + 30 Jun
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213, // + 31 Jul
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244, // + 31 Aug
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274, // + 30 Sep
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305, // + 31 Oct
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335 // + 30 Nov
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];
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief lookup array for days in month calculation (leap year aware)
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// //////////////////////////////////////////////////////////////////////////////
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var daysInMonth = [
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29, // Feb (in leap year)
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31, // Jan
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28, // Feb (in non-leap year)
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31, // Mar
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30, // Apr
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31, // May
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30, // Jun
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31, // Jul
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31, // Aug
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30, // Sep
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31, // Oct
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30, // Nov
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31 // Dec
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];
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief English month names (1-based)
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// //////////////////////////////////////////////////////////////////////////////
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var monthNames = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December'
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];
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief English weekday names
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// //////////////////////////////////////////////////////////////////////////////
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var weekdayNames = [
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'Sunday',
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'Monday',
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'Tuesday',
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'Wednesday',
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'Thursday',
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'Friday',
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'Saturday'
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];
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief constants for date difference function
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// //////////////////////////////////////////////////////////////////////////////
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// milliseconds per month, counting February as 28 days (compensating later)
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var msPerMonth = [
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26784e5, 24192e5, 26784e5, 2592e6, 26784e5, 2592e6,
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26784e5, 26784e5, 2592e6, 26784e5, 2592e6, 26784e5
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];
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var msPerUnit = {
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f: 1,
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s: 1e3, // 1000
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i: 6e4, // 1000 * 60
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h: 36e5, // 1000 * 60 * 60
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d: 864e5, // 1000 * 60 * 60 * 24
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w: 6048e5, // 1000 * 60 * 60 * 24 * 7
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m: 0, // evaluates to false
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y: -1 // evaluates to true to distinguish it from months
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};
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// Aliases
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msPerUnit.milliseconds = msPerUnit.f;
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msPerUnit.millisecond = msPerUnit.f;
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msPerUnit.ms = msPerUnit.f;
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msPerUnit.seconds = msPerUnit.s;
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msPerUnit.second = msPerUnit.s;
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msPerUnit.minutes = msPerUnit.i;
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msPerUnit.minute = msPerUnit.i;
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msPerUnit.hours = msPerUnit.h;
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msPerUnit.hour = msPerUnit.h;
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msPerUnit.days = msPerUnit.d;
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msPerUnit.day = msPerUnit.d;
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msPerUnit.weeks = msPerUnit.w;
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msPerUnit.week = msPerUnit.w;
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msPerUnit.months = msPerUnit.m;
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msPerUnit.month = msPerUnit.m;
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msPerUnit.years = msPerUnit.y;
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msPerUnit.year = msPerUnit.y;
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief clear caches
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// //////////////////////////////////////////////////////////////////////////////
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function clearCaches () {
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'use strict';
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RegexCache = { 'gi': { }, 'g': { }, 'i': { }, '': { } };
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LikeCache = { 'i': { }, '': { } };
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ISODurationCache = { };
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief add zeros for a total length of width chars (left padding by default)
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// //////////////////////////////////////////////////////////////////////////////
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function zeropad (n, width, padRight) {
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'use strict';
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padRight = padRight || false;
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n = '' + n;
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if (padRight) {
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return n.length >= width ? n : n + new Array(width - n.length + 1).join('0');
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} else {
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return n.length >= width ? n : new Array(width - n.length + 1).join('0') + n;
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}
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief raise a warning
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// //////////////////////////////////////////////////////////////////////////////
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function WARN (func, error, data) {
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'use strict';
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if (error.code === INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH.code) {
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AQL_WARNING(error.code, error.message.replace(/%s/, func));
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} else {
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var prefix = '';
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if (func !== null) {
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prefix = "in function '" + func + "()': ";
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}
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if (typeof data === 'string') {
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AQL_WARNING(error.code, prefix + error.message.replace(/%s/, data));
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} else {
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AQL_WARNING(error.code, prefix + error.message);
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}
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}
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief throw a runtime exception
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// //////////////////////////////////////////////////////////////////////////////
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function THROW (func, error, data, moreMessage) {
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'use strict';
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var prefix = '';
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if (func !== null && func !== '') {
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prefix = "in function '" + func + "()': ";
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}
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var err = new ArangoError();
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err.errorNum = error.code;
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if (typeof data === 'string') {
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err.errorMessage = prefix + error.message.replace(/%s/, data);
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} else {
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err.errorMessage = prefix + error.message;
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}
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if (moreMessage !== undefined) {
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err.errorMessage += '; ' + moreMessage;
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}
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throw err;
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief return a database-specific function prefix
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// //////////////////////////////////////////////////////////////////////////////
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function DB_PREFIX () {
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return INTERNAL.db._name();
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief reset the user functions and reload them from the database
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// //////////////////////////////////////////////////////////////////////////////
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function reloadUserFunctions () {
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'use strict';
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var prefix = DB_PREFIX();
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var c = INTERNAL.db._collection('_aqlfunctions');
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if (c === null) {
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// collection not found. now reset all user functions
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UserFunctions = { };
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UserFunctions[prefix] = { };
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return;
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}
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var foundError = false;
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var functions = { };
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c.toArray().forEach(function (f) {
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var key = f._key.replace(/:{1,}/g, '::');
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var code;
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if (f.code.match(/^\(?function\s+\(/)) {
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code = f.code;
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} else {
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code = '(function() { var callback = ' + f.code + ';\n return callback; })();';
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}
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try {
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var res = INTERNAL.executeScript(code, undefined, '(user function ' + key + ')');
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if (typeof res !== 'function') {
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foundError = true;
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}
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functions[key.toUpperCase()] = {
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name: key,
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func: res,
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isDeterministic: f.isDeterministic || false
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};
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} catch (err) {
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// in case a single function is broken, we still continue with the other ones
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// so that at least some functions remain usable
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foundError = true;
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}
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});
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// now reset the functions for all databases
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// this ensures that functions of other databases will be reloaded next
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// time (the reload does not necessarily need to be carried out in the
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// database in which the function is registered)
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UserFunctions = { };
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UserFunctions[prefix] = functions;
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if (foundError) {
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THROW(null, INTERNAL.errors.ERROR_QUERY_FUNCTION_INVALID_CODE);
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}
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief get a user-function by name
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// //////////////////////////////////////////////////////////////////////////////
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function GET_USERFUNCTION (name, config) {
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var prefix = DB_PREFIX(), reloaded = false;
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var key = name.toUpperCase();
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var func;
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if (DefaultVisitors.hasOwnProperty(key)) {
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var visitor = DefaultVisitors[key];
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func = visitor.func;
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config.visitorReturnsResults = visitor.visitorReturnsResults;
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} else {
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if (!UserFunctions.hasOwnProperty(prefix)) {
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reloadUserFunctions();
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reloaded = true;
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}
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if (!UserFunctions[prefix].hasOwnProperty(key) && !reloaded) {
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// last chance
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reloadUserFunctions();
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}
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if (!UserFunctions[prefix].hasOwnProperty(key)) {
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THROW(null, INTERNAL.errors.ERROR_QUERY_FUNCTION_NOT_FOUND, name);
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}
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func = UserFunctions[prefix][key].func;
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}
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if (typeof func !== 'function') {
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THROW(null, INTERNAL.errors.ERROR_QUERY_FUNCTION_NOT_FOUND, name);
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}
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return func;
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief normalize a function name
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// //////////////////////////////////////////////////////////////////////////////
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|
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function NORMALIZE_FNAME (functionName) {
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'use strict';
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var p = functionName.indexOf('::');
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if (p === -1) {
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return functionName;
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}
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return functionName.substr(p + 2);
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}
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief find a fulltext index for a certain attribute & collection
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// //////////////////////////////////////////////////////////////////////////////
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|
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function INDEX_FULLTEXT (collection, attribute) {
|
|
'use strict';
|
|
|
|
var indexes = collection.getIndexes(), i;
|
|
|
|
for (i = 0; i < indexes.length; ++i) {
|
|
var index = indexes[i];
|
|
if (index.type === 'fulltext' && index.fields && index.fields[0] === attribute) {
|
|
return index.id;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get access to a collection
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function COLLECTION (name, func) {
|
|
'use strict';
|
|
|
|
if (typeof name !== 'string') {
|
|
THROW(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH, func);
|
|
}
|
|
|
|
var c;
|
|
if (name.substring(0, 1) === '_') {
|
|
// system collections need to be accessed slightly differently as they
|
|
// are not returned by the propertyGetter of db
|
|
c = INTERNAL.db._collection(name);
|
|
} else {
|
|
c = INTERNAL.db[name];
|
|
}
|
|
|
|
if (c === null || c === undefined) {
|
|
THROW(func, INTERNAL.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND, String(name));
|
|
}
|
|
return c;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief clone an object
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function CLONE (obj) {
|
|
'use strict';
|
|
|
|
if (obj === null || typeof (obj) !== 'object') {
|
|
return obj;
|
|
}
|
|
|
|
var copy;
|
|
if (Array.isArray(obj)) {
|
|
copy = [];
|
|
obj.forEach(function (i) {
|
|
copy.push(CLONE(i));
|
|
});
|
|
} else if (obj instanceof Object) {
|
|
copy = { };
|
|
Object.keys(obj).forEach(function (k) {
|
|
copy[k] = CLONE(obj[k]);
|
|
});
|
|
}
|
|
|
|
return copy;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief box a value into the AQL datatype system
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function FIX_VALUE (value) {
|
|
'use strict';
|
|
|
|
var type = typeof (value);
|
|
|
|
if (value === undefined ||
|
|
value === null ||
|
|
(type === 'number' && (isNaN(value) || !isFinite(value)))) {
|
|
return null;
|
|
}
|
|
|
|
if (type === 'boolean' || type === 'string' || type === 'number') {
|
|
return value;
|
|
}
|
|
|
|
if (Array.isArray(value)) {
|
|
var i, n = value.length;
|
|
for (i = 0; i < n; ++i) {
|
|
value[i] = FIX_VALUE(value[i]);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
if (type === 'object') {
|
|
var result = { };
|
|
|
|
Object.keys(value).forEach(function (k) {
|
|
if (typeof value[k] !== 'function') {
|
|
result[k] = FIX_VALUE(value[k]);
|
|
}
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the sort type of an operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function TYPEWEIGHT (value) {
|
|
'use strict';
|
|
|
|
if (value !== undefined && value !== null) {
|
|
if (Array.isArray(value)) {
|
|
return TYPEWEIGHT_ARRAY;
|
|
}
|
|
|
|
switch (typeof (value)) {
|
|
case 'boolean':
|
|
return TYPEWEIGHT_BOOL;
|
|
case 'number':
|
|
if (isNaN(value) || !isFinite(value)) {
|
|
// not a number => null
|
|
return TYPEWEIGHT_NULL;
|
|
}
|
|
return TYPEWEIGHT_NUMBER;
|
|
case 'string':
|
|
return TYPEWEIGHT_STRING;
|
|
case 'object':
|
|
return TYPEWEIGHT_OBJECT;
|
|
}
|
|
}
|
|
|
|
return TYPEWEIGHT_NULL;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief compile a regex from a string pattern
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function CREATE_REGEX_PATTERN (chars) {
|
|
'use strict';
|
|
|
|
chars = AQL_TO_STRING(chars);
|
|
var i, n = chars.length, pattern = '';
|
|
var specialChar = /^([.*+?\^=!:${}()|\[\]\/\\])$/;
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
var c = chars.charAt(i);
|
|
if (c.match(specialChar)) {
|
|
// character with special meaning in a regex
|
|
pattern += '\\' + c;
|
|
} else if (c === '\t') {
|
|
pattern += '\\t';
|
|
} else if (c === '\r') {
|
|
pattern += '\\r';
|
|
} else if (c === '\n') {
|
|
pattern += '\\n';
|
|
} else if (c === '\b') {
|
|
pattern += '\\b';
|
|
} else if (c === '\f') {
|
|
pattern += '\\f';
|
|
} else {
|
|
pattern += c;
|
|
}
|
|
}
|
|
|
|
return pattern;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief compile a regex from a string pattern
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function COMPILE_REGEX (regex, modifiers) {
|
|
'use strict';
|
|
|
|
return new RegExp(AQL_TO_STRING(regex), modifiers);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief compile a regex from a string pattern
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function COMPILE_LIKE (regex, modifiers) {
|
|
'use strict';
|
|
|
|
regex = AQL_TO_STRING(regex);
|
|
var i, n = regex.length;
|
|
var escaped = false;
|
|
var pattern = '';
|
|
var specialChar = /^([.*+?\^=!:${}()|\[\]\/\\])$/;
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
var c = regex.charAt(i);
|
|
|
|
if (c === '\\') {
|
|
if (escaped) {
|
|
// literal \
|
|
pattern += '\\\\';
|
|
}
|
|
escaped = !escaped;
|
|
} else {
|
|
if (c === '%') {
|
|
if (escaped) {
|
|
// literal %
|
|
pattern += '%';
|
|
} else {
|
|
// wildcard
|
|
pattern += '(.|[\r\n])*';
|
|
}
|
|
} else if (c === '_') {
|
|
if (escaped) {
|
|
// literal _
|
|
pattern += '_';
|
|
} else {
|
|
// wildcard character
|
|
pattern += '(.|[\r\n])';
|
|
}
|
|
} else if (c.match(specialChar)) {
|
|
// character with special meaning in a regex
|
|
pattern += '\\' + c;
|
|
} else {
|
|
if (escaped) {
|
|
// found a backslash followed by no special character
|
|
pattern += '\\\\';
|
|
}
|
|
|
|
// literal character
|
|
pattern += c;
|
|
}
|
|
|
|
escaped = false;
|
|
}
|
|
}
|
|
|
|
return new RegExp('^' + pattern + '$', modifiers);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief call a user function
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function FCALL_USER (name, parameters) {
|
|
'use strict';
|
|
|
|
var prefix = DB_PREFIX(), reloaded = false;
|
|
if (!UserFunctions.hasOwnProperty(prefix)) {
|
|
reloadUserFunctions();
|
|
reloaded = true;
|
|
}
|
|
|
|
if (!UserFunctions[prefix].hasOwnProperty(name) && !reloaded) {
|
|
// last chance
|
|
reloadUserFunctions();
|
|
}
|
|
|
|
if (!UserFunctions[prefix].hasOwnProperty(name)) {
|
|
THROW(null, INTERNAL.errors.ERROR_QUERY_FUNCTION_NOT_FOUND, name);
|
|
}
|
|
|
|
try {
|
|
return FIX_VALUE(UserFunctions[prefix][name].func.apply({ name: name }, parameters));
|
|
} catch (err) {
|
|
WARN(name, INTERNAL.errors.ERROR_QUERY_FUNCTION_RUNTIME_ERROR, AQL_TO_STRING(err.stack || String(err)));
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief dynamically call a function
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function FCALL_DYNAMIC (func, applyDirect, values, name, args) {
|
|
var toCall;
|
|
|
|
name = AQL_TO_STRING(name).toUpperCase();
|
|
if (name.indexOf('::') > 0) {
|
|
// user-defined function
|
|
var prefix = DB_PREFIX(), reloaded = false;
|
|
if (!UserFunctions.hasOwnProperty(prefix)) {
|
|
reloadUserFunctions();
|
|
reloaded = true;
|
|
}
|
|
|
|
if (!UserFunctions[prefix].hasOwnProperty(name) && !reloaded) {
|
|
// last chance
|
|
reloadUserFunctions();
|
|
}
|
|
|
|
if (!UserFunctions[prefix].hasOwnProperty(name)) {
|
|
THROW(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_NOT_FOUND, name);
|
|
}
|
|
|
|
toCall = UserFunctions[prefix][name].func;
|
|
} else {
|
|
// built-in function
|
|
if (name === 'CALL' || name === 'APPLY') {
|
|
THROW(func, INTERNAL.errors.ERROR_QUERY_DISALLOWED_DYNAMIC_CALL, NORMALIZE_FNAME(name));
|
|
}
|
|
|
|
if (!exports.hasOwnProperty('AQL_' + name)) {
|
|
THROW(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_NOT_FOUND, NORMALIZE_FNAME(name));
|
|
}
|
|
|
|
toCall = exports['AQL_' + name];
|
|
}
|
|
|
|
if (applyDirect) {
|
|
try {
|
|
return FIX_VALUE(toCall.apply({ name: name }, args));
|
|
} catch (err) {
|
|
WARN(name, INTERNAL.errors.ERROR_QUERY_FUNCTION_RUNTIME_ERROR, AQL_TO_STRING(err));
|
|
return null;
|
|
}
|
|
}
|
|
|
|
var type = TYPEWEIGHT(values), result, i;
|
|
|
|
if (type === TYPEWEIGHT_OBJECT) {
|
|
result = { };
|
|
for (i in values) {
|
|
if (values.hasOwnProperty(i)) {
|
|
args[0] = values[i];
|
|
result[i] = FIX_VALUE(toCall.apply({ name: name }, args));
|
|
}
|
|
}
|
|
return result;
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
result = [];
|
|
for (i = 0; i < values.length; ++i) {
|
|
args[0] = values[i];
|
|
result[i] = FIX_VALUE(toCall.apply({ name: name }, args));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the numeric value or undefined if it is out of range
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function NUMERIC_VALUE (value, nullify) {
|
|
'use strict';
|
|
|
|
if (value === null || isNaN(value) || !isFinite(value)) {
|
|
if (nullify) {
|
|
return null;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the values of an object in the order that they are defined
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function VALUES (value) {
|
|
'use strict';
|
|
|
|
var values = [];
|
|
|
|
Object.keys(value).forEach(function (k) {
|
|
values.push(value[k]);
|
|
});
|
|
|
|
return values;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief extract key names from an argument list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function EXTRACT_KEYS (args, startArgument, func) {
|
|
'use strict';
|
|
|
|
var keys = { }, i, j, key, key2;
|
|
|
|
for (i = startArgument; i < args.length; ++i) {
|
|
key = args[i];
|
|
if (typeof key === 'string') {
|
|
keys[key] = true;
|
|
} else if (typeof key === 'number') {
|
|
keys[String(key)] = true;
|
|
} else if (Array.isArray(key)) {
|
|
for (j = 0; j < key.length; ++j) {
|
|
key2 = key[j];
|
|
if (typeof key2 === 'string') {
|
|
keys[key2] = true;
|
|
} else {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return keys;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the keys of an array or object in a comparable way
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function KEYS (value, doSort) {
|
|
'use strict';
|
|
|
|
var keys;
|
|
|
|
if (Array.isArray(value)) {
|
|
var n = value.length, i;
|
|
keys = [];
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
keys.push(i);
|
|
}
|
|
} else {
|
|
keys = Object.keys(value);
|
|
|
|
if (doSort) {
|
|
// object keys need to be sorted by names
|
|
keys.sort();
|
|
}
|
|
}
|
|
|
|
return keys;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the keys of an array or object in a comparable way
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function KEYLIST (lhs, rhs) {
|
|
'use strict';
|
|
|
|
if (Array.isArray(lhs)) {
|
|
// lhs & rhs are lists
|
|
return KEYS(lhs.length > rhs.length ? lhs : rhs);
|
|
}
|
|
|
|
// lhs & rhs are arrays
|
|
var a, keys = KEYS(lhs);
|
|
for (a in rhs) {
|
|
if (rhs.hasOwnProperty(a) && !lhs.hasOwnProperty(a)) {
|
|
keys.push(a);
|
|
}
|
|
}
|
|
|
|
// object keys need to be sorted by names
|
|
keys.sort();
|
|
|
|
return keys;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get an indexed value from an array or document (e.g. users[3])
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function GET_INDEX (value, index) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
var result = null;
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_OBJECT) {
|
|
result = value[String(index)];
|
|
} else if (TYPEWEIGHT(value) === TYPEWEIGHT_ARRAY) {
|
|
var i = parseInt(index, 10);
|
|
if (i < 0) {
|
|
// negative indexes fetch the element from the end, e.g. -1 => value[value.length - 1]
|
|
i = value.length + i;
|
|
}
|
|
|
|
if (i >= 0 && i <= value.length - 1) {
|
|
result = value[i];
|
|
}
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
if (TYPEWEIGHT(result) === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief normalize a value for comparison, sorting etc.
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function NORMALIZE (value) {
|
|
'use strict';
|
|
|
|
if (value === null || value === undefined) {
|
|
return null;
|
|
}
|
|
|
|
if (typeof (value) !== 'object') {
|
|
return value;
|
|
}
|
|
|
|
var result;
|
|
|
|
if (Array.isArray(value)) {
|
|
result = [];
|
|
value.forEach(function (v) {
|
|
result.push(NORMALIZE(v));
|
|
});
|
|
} else {
|
|
result = { };
|
|
KEYS(value, true).forEach(function (a) {
|
|
result[a] = NORMALIZE(value[a]);
|
|
});
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get an attribute from a document (e.g. users.name)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function DOCUMENT_MEMBER (value, attributeName) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_OBJECT) {
|
|
return null;
|
|
}
|
|
|
|
var result = value[attributeName];
|
|
|
|
if (TYPEWEIGHT(result) === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get a document by its unique id or their unique ids
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function DOCUMENT_HANDLE (id) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(id) === TYPEWEIGHT_ARRAY) {
|
|
var result = [], i;
|
|
for (i = 0; i < id.length; ++i) {
|
|
try {
|
|
result.push(INTERNAL.db._document(id[i]));
|
|
} catch (e1) {}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
try {
|
|
return INTERNAL.db._document(id);
|
|
} catch (e2) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get a document by its unique id or their unique ids
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DOCUMENT (collection, id) {
|
|
'use strict';
|
|
|
|
// we're polymorphic
|
|
if (id === undefined) {
|
|
// called with a single parameter
|
|
var weight = TYPEWEIGHT(collection);
|
|
|
|
if (weight === TYPEWEIGHT_STRING || weight === TYPEWEIGHT_ARRAY) {
|
|
return DOCUMENT_HANDLE(collection);
|
|
}
|
|
}
|
|
|
|
if (TYPEWEIGHT(id) === TYPEWEIGHT_ARRAY) {
|
|
var c = COLLECTION(collection, 'DOCUMENT');
|
|
|
|
var result = [], i;
|
|
for (i = 0; i < id.length; ++i) {
|
|
try {
|
|
result.push(c.document(id[i]));
|
|
} catch (e1) {}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
try {
|
|
if (TYPEWEIGHT(collection) !== TYPEWEIGHT_STRING) {
|
|
WARN('DOCUMENT', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
return COLLECTION(collection, 'DOCUMENT').document(id);
|
|
} catch (e2) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get all documents from the specified collection
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function GET_DOCUMENTS (collection, func) {
|
|
'use strict';
|
|
|
|
WARN(null, INTERNAL.errors.ERROR_QUERY_COLLECTION_USED_IN_EXPRESSION, AQL_TO_STRING(collection));
|
|
|
|
if (isCoordinator) {
|
|
return COLLECTION(collection, func).all().toArray();
|
|
}
|
|
|
|
return COLLECTION(collection, func).ALL().documents;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get names of all collections
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_COLLECTIONS () {
|
|
'use strict';
|
|
|
|
var result = [];
|
|
|
|
INTERNAL.db._collections().forEach(function (c) {
|
|
result.push({
|
|
_id: c._id,
|
|
name: c.name()
|
|
});
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the number of documents in a collection
|
|
// / this is an internal function that is not exposed to end users
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_COLLECTION_COUNT (name) {
|
|
'use strict';
|
|
|
|
if (typeof name !== 'string') {
|
|
THROW('COLLECTION_COUNT', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH, 'COLLECTION_COUNT');
|
|
}
|
|
|
|
var c = INTERNAL.db._collection(name);
|
|
if (c === null || c === undefined) {
|
|
THROW('COLLECTION_COUNT', INTERNAL.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND, String(name));
|
|
}
|
|
return c.count();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief execute ternary operator
|
|
// /
|
|
// / the condition should be a boolean value, returns either the truepart
|
|
// / or the falsepart
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function TERNARY_OPERATOR (condition, truePart, falsePart) {
|
|
'use strict';
|
|
|
|
if (condition) {
|
|
return truePart();
|
|
}
|
|
return falsePart();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform logical and
|
|
// /
|
|
// / both operands must be boolean values, returns a boolean, uses short-circuit
|
|
// / evaluation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function LOGICAL_AND (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var l = lhs();
|
|
|
|
if (!l) {
|
|
return l;
|
|
}
|
|
|
|
return rhs();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform logical or
|
|
// /
|
|
// / both operands must be boolean values, returns a boolean, uses short-circuit
|
|
// / evaluation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function LOGICAL_OR (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var l = lhs();
|
|
|
|
if (l) {
|
|
return l;
|
|
}
|
|
|
|
return rhs();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform logical negation
|
|
// /
|
|
// / the operand must be a boolean values, returns a boolean
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function LOGICAL_NOT (lhs) {
|
|
'use strict';
|
|
|
|
return !AQL_TO_BOOL(lhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform equality check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_FUNC (lhs, rhs, quantifier, func) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(lhs) !== TYPEWEIGHT_ARRAY) {
|
|
return false;
|
|
}
|
|
|
|
var n = lhs.length, min, max;
|
|
if (quantifier === 1) {
|
|
// NONE
|
|
if (n === 0) {
|
|
return true;
|
|
}
|
|
min = max = 0;
|
|
} else if (quantifier === 2) {
|
|
// ALL
|
|
if (n === 0) {
|
|
return true;
|
|
}
|
|
min = max = n;
|
|
} else if (quantifier === 3) {
|
|
// ANY
|
|
if (n === 0) {
|
|
return false;
|
|
}
|
|
min = (n === 0 ? 0 : 1);
|
|
max = n;
|
|
}
|
|
|
|
var left = n, matches = 0;
|
|
for (var i = 0; i < n; ++i) {
|
|
var result = func(lhs[i], rhs);
|
|
--left;
|
|
|
|
if (result) {
|
|
++matches;
|
|
if (matches > max) {
|
|
// too many matches
|
|
return false;
|
|
}
|
|
if (matches >= min && matches + left <= max) {
|
|
// enough matches
|
|
return true;
|
|
}
|
|
} else {
|
|
if (matches + left < min) {
|
|
// too few matches
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform equality check
|
|
// /
|
|
// / returns true if the operands are equal, false otherwise
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_EQUAL (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight !== rightWeight) {
|
|
return false;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i];
|
|
if (RELATIONAL_EQUAL(lhs[key], rhs[key]) === false) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return true;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs) === 0;
|
|
}
|
|
|
|
return (lhs === rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform inequality check
|
|
// /
|
|
// / returns true if the operands are unequal, false otherwise
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_UNEQUAL (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight !== rightWeight) {
|
|
return true;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i];
|
|
if (RELATIONAL_UNEQUAL(lhs[key], rhs[key]) === true) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return false;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs) !== 0;
|
|
}
|
|
|
|
return (lhs !== rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform greater than check (inner function)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_GREATER_REC (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight > rightWeight) {
|
|
return true;
|
|
}
|
|
if (leftWeight < rightWeight) {
|
|
return false;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i], result = RELATIONAL_GREATER_REC(lhs[key], rhs[key]);
|
|
if (result !== null) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs) > 0;
|
|
}
|
|
|
|
if (lhs === rhs) {
|
|
return null;
|
|
}
|
|
|
|
return (lhs > rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform greater than check
|
|
// /
|
|
// / returns true if the left operand is greater than the right operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_GREATER (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var result = RELATIONAL_GREATER_REC(lhs, rhs);
|
|
|
|
if (result === null) {
|
|
result = false;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform greater equal check (inner function)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_GREATEREQUAL_REC (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight > rightWeight) {
|
|
return true;
|
|
}
|
|
if (leftWeight < rightWeight) {
|
|
return false;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i], result = RELATIONAL_GREATEREQUAL_REC(lhs[key], rhs[key]);
|
|
if (result !== null) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs) >= 0;
|
|
}
|
|
|
|
if (lhs === rhs) {
|
|
return null;
|
|
}
|
|
|
|
return (lhs >= rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform greater equal check
|
|
// /
|
|
// / returns true if the left operand is greater or equal to the right operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_GREATEREQUAL (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var result = RELATIONAL_GREATEREQUAL_REC(lhs, rhs);
|
|
|
|
if (result === null) {
|
|
result = true;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform less than check (inner function)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_LESS_REC (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight < rightWeight) {
|
|
return true;
|
|
}
|
|
if (leftWeight > rightWeight) {
|
|
return false;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i], result = RELATIONAL_LESS_REC(lhs[key], rhs[key]);
|
|
if (result !== null) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs) < 0;
|
|
}
|
|
|
|
if (lhs === rhs) {
|
|
return null;
|
|
}
|
|
|
|
return (lhs < rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform less than check
|
|
// /
|
|
// / returns true if the left operand is less than the right operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_LESS (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var result = RELATIONAL_LESS_REC(lhs, rhs);
|
|
|
|
if (result === null) {
|
|
result = false;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform less equal check (inner function)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_LESSEQUAL_REC (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight < rightWeight) {
|
|
return true;
|
|
}
|
|
if (leftWeight > rightWeight) {
|
|
return false;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i], result = RELATIONAL_LESSEQUAL_REC(lhs[key], rhs[key]);
|
|
if (result !== null) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs) <= 0;
|
|
}
|
|
|
|
if (lhs === rhs) {
|
|
return null;
|
|
}
|
|
|
|
return (lhs <= rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform less equal check
|
|
// /
|
|
// / returns true if the left operand is less or equal to the right operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_LESSEQUAL (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var result = RELATIONAL_LESSEQUAL_REC(lhs, rhs);
|
|
|
|
if (result === null) {
|
|
result = true;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform comparison
|
|
// /
|
|
// / returns -1 if the left operand is less than the right operand, 1 if it is
|
|
// / greater, 0 if both operands are equal
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_CMP (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var leftWeight = TYPEWEIGHT(lhs);
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (leftWeight < rightWeight) {
|
|
return -1;
|
|
}
|
|
if (leftWeight > rightWeight) {
|
|
return 1;
|
|
}
|
|
|
|
// lhs and rhs have the same type
|
|
|
|
if (leftWeight >= TYPEWEIGHT_ARRAY) {
|
|
// arrays and objects
|
|
var keys = KEYLIST(lhs, rhs), i, n = keys.length;
|
|
for (i = 0; i < n; ++i) {
|
|
var key = keys[i], result = RELATIONAL_CMP(lhs[key], rhs[key]);
|
|
if (result !== 0) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
// primitive type
|
|
if (leftWeight === TYPEWEIGHT_NULL) {
|
|
return 0;
|
|
}
|
|
|
|
if (leftWeight === TYPEWEIGHT_STRING) {
|
|
return COMPARE_STRING(lhs, rhs);
|
|
}
|
|
|
|
if (lhs < rhs) {
|
|
return -1;
|
|
}
|
|
|
|
if (lhs > rhs) {
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform in list check
|
|
// /
|
|
// / returns true if the left operand is contained in the right operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_IN (lhs, rhs) {
|
|
'use strict';
|
|
|
|
var rightWeight = TYPEWEIGHT(rhs);
|
|
|
|
if (rightWeight !== TYPEWEIGHT_ARRAY) {
|
|
WARN(null, INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return false;
|
|
}
|
|
|
|
var numRight = rhs.length, i;
|
|
for (i = 0; i < numRight; ++i) {
|
|
if (RELATIONAL_EQUAL(lhs, rhs[i])) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform not-in list check
|
|
// /
|
|
// / returns true if the left operand is not contained in the right operand
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_NOT_IN (lhs, rhs) {
|
|
'use strict';
|
|
|
|
return !RELATIONAL_IN(lhs, rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform equality check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_EQUAL (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_EQUAL);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform unequality check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_UNEQUAL (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_UNEQUAL);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform greater check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_GREATER (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_GREATER);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform greater equal check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_GREATEREQUAL (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_GREATEREQUAL);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform less check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_LESS (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_LESS);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform less equal check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_LESSEQUAL (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_LESSEQUAL);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform in check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_IN (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_IN);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform in check for arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function RELATIONAL_ARRAY_NOT_IN (lhs, rhs, quantifier) {
|
|
'use strict';
|
|
|
|
return RELATIONAL_ARRAY_FUNC(lhs, rhs, quantifier, RELATIONAL_NOT_IN);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform unary plus operation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function UNARY_PLUS (value) {
|
|
'use strict';
|
|
|
|
value = AQL_TO_NUMBER(value);
|
|
return AQL_TO_NUMBER(+ value);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform unary minus operation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function UNARY_MINUS (value) {
|
|
'use strict';
|
|
|
|
value = AQL_TO_NUMBER(value);
|
|
return AQL_TO_NUMBER(- value);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform arithmetic plus or string concatenation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function ARITHMETIC_PLUS (lhs, rhs) {
|
|
'use strict';
|
|
|
|
lhs = AQL_TO_NUMBER(lhs);
|
|
rhs = AQL_TO_NUMBER(rhs);
|
|
return AQL_TO_NUMBER(lhs + rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform arithmetic minus
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function ARITHMETIC_MINUS (lhs, rhs) {
|
|
'use strict';
|
|
|
|
lhs = AQL_TO_NUMBER(lhs);
|
|
rhs = AQL_TO_NUMBER(rhs);
|
|
return AQL_TO_NUMBER(lhs - rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform arithmetic multiplication
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function ARITHMETIC_TIMES (lhs, rhs) {
|
|
'use strict';
|
|
|
|
lhs = AQL_TO_NUMBER(lhs);
|
|
rhs = AQL_TO_NUMBER(rhs);
|
|
return AQL_TO_NUMBER(lhs * rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform arithmetic division
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function ARITHMETIC_DIVIDE (lhs, rhs) {
|
|
'use strict';
|
|
|
|
lhs = AQL_TO_NUMBER(lhs);
|
|
rhs = AQL_TO_NUMBER(rhs);
|
|
if (rhs === 0 || rhs === null || isNaN(rhs) || !isFinite(rhs)) {
|
|
WARN(null, INTERNAL.errors.ERROR_QUERY_DIVISION_BY_ZERO);
|
|
return null;
|
|
}
|
|
|
|
return AQL_TO_NUMBER(lhs / rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform arithmetic modulus
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function ARITHMETIC_MODULUS (lhs, rhs) {
|
|
'use strict';
|
|
|
|
lhs = AQL_TO_NUMBER(lhs);
|
|
rhs = AQL_TO_NUMBER(rhs);
|
|
if (rhs === 0 || rhs === null || isNaN(rhs) || !isFinite(rhs)) {
|
|
WARN(null, INTERNAL.errors.ERROR_QUERY_DIVISION_BY_ZERO);
|
|
return null;
|
|
}
|
|
|
|
return AQL_TO_NUMBER(lhs % rhs);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform string concatenation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CONCAT () {
|
|
'use strict';
|
|
|
|
var result = '', what = arguments;
|
|
if (what.length === 1 && Array.isArray(what[0])) {
|
|
what = arguments[0];
|
|
}
|
|
|
|
var i, n = what.length;
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
var element = what[i];
|
|
var weight = TYPEWEIGHT(element);
|
|
if (weight === TYPEWEIGHT_NULL) {
|
|
continue;
|
|
}
|
|
result += AQL_TO_STRING(element);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief perform string concatenation using a separator character
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CONCAT_SEPARATOR () {
|
|
'use strict';
|
|
|
|
var separator, found = false, result = '', i, element;
|
|
|
|
if (arguments.length === 2 && Array.isArray(arguments[1])) {
|
|
separator = AQL_TO_STRING(arguments[0]);
|
|
for (i = 0; i < arguments[1].length; ++i) {
|
|
element = arguments[1][i];
|
|
if (TYPEWEIGHT(element) === TYPEWEIGHT_NULL) {
|
|
continue;
|
|
}
|
|
if (found) {
|
|
result += separator;
|
|
}
|
|
result += AQL_TO_STRING(element);
|
|
found = true;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
for (i = 0; i < arguments.length; ++i) {
|
|
element = arguments[i];
|
|
|
|
if (i > 0 && TYPEWEIGHT(element) === TYPEWEIGHT_NULL) {
|
|
continue;
|
|
}
|
|
if (i === 0) {
|
|
separator = AQL_TO_STRING(element);
|
|
} else {
|
|
if (found) {
|
|
result += separator;
|
|
}
|
|
result += AQL_TO_STRING(element);
|
|
found = true;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the length of a string in characters (not bytes)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CHAR_LENGTH (value) {
|
|
'use strict';
|
|
|
|
// https://mathiasbynens.be/notes/javascript-unicode
|
|
return [...AQL_TO_STRING(value)].length;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief convert a string to lower case
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LOWER (value) {
|
|
'use strict';
|
|
|
|
return AQL_TO_STRING(value).toLowerCase();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief convert a string to upper case
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UPPER (value) {
|
|
'use strict';
|
|
|
|
return AQL_TO_STRING(value).toUpperCase();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return a substring of the string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SUBSTRING (value, offset, count) {
|
|
'use strict';
|
|
|
|
// https://mathiasbynens.be/notes/javascript-unicode
|
|
value = [...AQL_TO_STRING(value)];
|
|
|
|
if (TYPEWEIGHT(count) !== TYPEWEIGHT_NULL) {
|
|
count = AQL_TO_NUMBER(count);
|
|
}
|
|
if (count === undefined) {
|
|
count = value.length;
|
|
}
|
|
|
|
offset = AQL_TO_NUMBER(offset);
|
|
|
|
if (offset < 0) {
|
|
offset = value.length + offset;
|
|
}
|
|
|
|
return value.slice(offset, offset + count).join('');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief searches a substring in a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CONTAINS (value, search, returnIndex) {
|
|
'use strict';
|
|
|
|
search = AQL_TO_STRING(search);
|
|
|
|
var result;
|
|
if (search.length === 0) {
|
|
result = -1;
|
|
} else {
|
|
result = AQL_TO_STRING(value).indexOf(search);
|
|
}
|
|
|
|
if (AQL_TO_BOOL(returnIndex)) {
|
|
return result;
|
|
}
|
|
|
|
return (result !== -1);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief searches a substring in a string, using a regex
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LIKE (value, regex, caseInsensitive) {
|
|
'use strict';
|
|
|
|
var modifiers = '';
|
|
if (caseInsensitive) {
|
|
modifiers += 'i';
|
|
}
|
|
|
|
regex = AQL_TO_STRING(regex);
|
|
|
|
if (LikeCache[modifiers][regex] === undefined) {
|
|
LikeCache[modifiers][regex] = COMPILE_LIKE(regex, modifiers);
|
|
}
|
|
|
|
try {
|
|
return LikeCache[modifiers][regex].test(AQL_TO_STRING(value));
|
|
} catch (err) {
|
|
WARN('LIKE', INTERNAL.errors.ERROR_QUERY_INVALID_REGEX);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief searches a substring in a string, using a regex
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_REGEX_TEST (value, regex, caseInsensitive) {
|
|
'use strict';
|
|
|
|
var modifiers = '';
|
|
if (caseInsensitive) {
|
|
modifiers += 'i';
|
|
}
|
|
|
|
regex = AQL_TO_STRING(regex);
|
|
|
|
try {
|
|
if (RegexCache[modifiers][regex] === undefined) {
|
|
RegexCache[modifiers][regex] = COMPILE_REGEX(regex, modifiers);
|
|
}
|
|
|
|
return RegexCache[modifiers][regex].test(AQL_TO_STRING(value));
|
|
} catch (err) {
|
|
WARN('REGEX_TEST', INTERNAL.errors.ERROR_QUERY_INVALID_REGEX);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief replaces a substring in a string, using a regex
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_REGEX_REPLACE (value, regex, replacement, caseInsensitive) {
|
|
'use strict';
|
|
|
|
var modifiers = 'g';
|
|
if (caseInsensitive) {
|
|
modifiers += 'i';
|
|
}
|
|
|
|
regex = AQL_TO_STRING(regex);
|
|
|
|
try {
|
|
if (RegexCache[modifiers][regex] === undefined) {
|
|
RegexCache[modifiers][regex] = COMPILE_REGEX(regex, modifiers);
|
|
}
|
|
|
|
return AQL_TO_STRING(value).replace(RegexCache[modifiers][regex], AQL_TO_STRING(replacement));
|
|
} catch (err) {
|
|
WARN('REGEX_REPLACE', INTERNAL.errors.ERROR_QUERY_INVALID_REGEX);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief returns the leftmost parts of a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LEFT (value, length) {
|
|
'use strict';
|
|
|
|
let right = AQL_TO_NUMBER(length);
|
|
if (right < 0) {
|
|
right = 0;
|
|
}
|
|
|
|
return [...AQL_TO_STRING(value)].slice(0, right).join('');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief returns the rightmost parts of a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_RIGHT (value, length) {
|
|
'use strict';
|
|
|
|
value = [...AQL_TO_STRING(value)];
|
|
length = AQL_TO_NUMBER(length);
|
|
|
|
let left = value.length - length;
|
|
if (left < 0) {
|
|
left = 0;
|
|
}
|
|
|
|
return value.slice(left, left+length).join('');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief returns a trimmed version of a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TRIM (value, chars) {
|
|
'use strict';
|
|
|
|
if (chars === 1) {
|
|
return AQL_LTRIM(value);
|
|
} else if (chars === 2) {
|
|
return AQL_RTRIM(value);
|
|
} else if (chars === null || chars === undefined || chars === 0) {
|
|
return AQL_TO_STRING(value).replace(new RegExp('(^\\s+|\\s+$)', 'g'), '');
|
|
}
|
|
|
|
var pattern = CREATE_REGEX_PATTERN(chars);
|
|
return AQL_TO_STRING(value).replace(new RegExp('(^[' + pattern + ']+|[' + pattern + ']+$)', 'g'), '');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief trim a value from the left
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LTRIM (value, chars) {
|
|
'use strict';
|
|
|
|
if (chars === null || chars === undefined) {
|
|
chars = '^\\s+';
|
|
} else {
|
|
chars = '^[' + CREATE_REGEX_PATTERN(chars) + ']+';
|
|
}
|
|
|
|
return AQL_TO_STRING(value).replace(new RegExp(chars, 'g'), '');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief trim a value from the right
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_RTRIM (value, chars) {
|
|
'use strict';
|
|
|
|
if (chars === null || chars === undefined) {
|
|
chars = '\\s+$';
|
|
} else {
|
|
chars = '[' + CREATE_REGEX_PATTERN(chars) + ']+$';
|
|
}
|
|
|
|
return AQL_TO_STRING(value).replace(new RegExp(chars, 'g'), '');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief split a string using a separator
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SPLIT (value, separator, limit) {
|
|
'use strict';
|
|
|
|
if (separator === null || separator === undefined) {
|
|
return [ AQL_TO_STRING(value) ];
|
|
}
|
|
|
|
if (TYPEWEIGHT(limit) === TYPEWEIGHT_NULL) {
|
|
limit = undefined;
|
|
} else {
|
|
limit = AQL_TO_NUMBER(limit);
|
|
}
|
|
|
|
if (limit < 0) {
|
|
WARN('SPLIT', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (TYPEWEIGHT(separator) === TYPEWEIGHT_ARRAY) {
|
|
var patterns = [];
|
|
separator.forEach(function (s) {
|
|
patterns.push(CREATE_REGEX_PATTERN(AQL_TO_STRING(s)));
|
|
});
|
|
|
|
return AQL_TO_STRING(value).split(new RegExp(patterns.join('|'), 'g'), limit);
|
|
}
|
|
|
|
return AQL_TO_STRING(value).split(AQL_TO_STRING(separator), limit);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief replace a search value inside a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SUBSTITUTE (value, search, replace, limit) {
|
|
'use strict';
|
|
|
|
var pattern = '', patterns, replacements = { }, sWeight = TYPEWEIGHT(search);
|
|
value = AQL_TO_STRING(value);
|
|
|
|
if (sWeight === TYPEWEIGHT_OBJECT) {
|
|
patterns = [];
|
|
KEYS(search, false).forEach(function (k) {
|
|
patterns.push(CREATE_REGEX_PATTERN(k));
|
|
replacements[k] = AQL_TO_STRING(search[k]);
|
|
});
|
|
pattern = patterns.join('|');
|
|
limit = replace;
|
|
} else if (sWeight === TYPEWEIGHT_STRING) {
|
|
pattern = CREATE_REGEX_PATTERN(search);
|
|
if (TYPEWEIGHT(replace) === TYPEWEIGHT_NULL) {
|
|
replacements[search] = '';
|
|
} else {
|
|
replacements[search] = AQL_TO_STRING(replace);
|
|
}
|
|
} else if (sWeight === TYPEWEIGHT_ARRAY) {
|
|
if (search.length === 0) {
|
|
// empty list
|
|
WARN('SUBSTITUTE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return value;
|
|
}
|
|
|
|
patterns = [];
|
|
|
|
if (TYPEWEIGHT(replace) === TYPEWEIGHT_ARRAY) {
|
|
// replace each occurrence with a member from the second list
|
|
search.forEach(function (k, i) {
|
|
k = AQL_TO_STRING(k);
|
|
patterns.push(CREATE_REGEX_PATTERN(k));
|
|
if (i < replace.length) {
|
|
replacements[k] = AQL_TO_STRING(replace[i]);
|
|
} else {
|
|
replacements[k] = '';
|
|
}
|
|
});
|
|
} else {
|
|
// replace all occurrences with a constant string
|
|
if (TYPEWEIGHT(replace) === TYPEWEIGHT_NULL) {
|
|
replace = '';
|
|
} else {
|
|
replace = AQL_TO_STRING(replace);
|
|
}
|
|
search.forEach(function (k) {
|
|
k = AQL_TO_STRING(k);
|
|
patterns.push(CREATE_REGEX_PATTERN(k));
|
|
replacements[k] = replace;
|
|
});
|
|
}
|
|
pattern = patterns.join('|');
|
|
}
|
|
|
|
if (pattern === '') {
|
|
return value;
|
|
}
|
|
|
|
if (TYPEWEIGHT(limit) === TYPEWEIGHT_NULL) {
|
|
limit = undefined;
|
|
} else {
|
|
limit = AQL_TO_NUMBER(limit);
|
|
}
|
|
|
|
if (limit < 0) {
|
|
WARN('SUBSTITUTE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
return AQL_TO_STRING(value).replace(new RegExp(pattern, 'g'), function (match) {
|
|
if (limit === undefined) {
|
|
return replacements[match];
|
|
}
|
|
if (limit > 0) {
|
|
--limit;
|
|
return replacements[match];
|
|
}
|
|
return match;
|
|
});
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief generates the MD5 value for a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MD5 (value) {
|
|
'use strict';
|
|
|
|
return INTERNAL.md5(AQL_TO_STRING(value));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief generates the SHA1 value for a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SHA1 (value) {
|
|
'use strict';
|
|
|
|
return INTERNAL.sha1(AQL_TO_STRING(value));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief generates the SHA512 value for a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SHA512 (value) {
|
|
'use strict';
|
|
|
|
return INTERNAL.sha512(AQL_TO_STRING(value));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief generates a hash value for an object
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_HASH (value) {
|
|
'use strict';
|
|
|
|
return OBJECT_HASH(value);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief returns the typename for an object
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TYPENAME (value) {
|
|
'use strict';
|
|
|
|
switch (TYPEWEIGHT(value)) {
|
|
case TYPEWEIGHT_BOOL:
|
|
return 'bool';
|
|
case TYPEWEIGHT_NUMBER:
|
|
return 'number';
|
|
case TYPEWEIGHT_STRING:
|
|
return 'string';
|
|
case TYPEWEIGHT_ARRAY:
|
|
return 'array';
|
|
case TYPEWEIGHT_OBJECT:
|
|
return 'object';
|
|
}
|
|
|
|
return 'null';
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief generates a random token of the specified length
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_RANDOM_TOKEN (length) {
|
|
'use strict';
|
|
|
|
length = AQL_TO_NUMBER(length);
|
|
|
|
if (length <= 0 || length > 65536) {
|
|
THROW('RANDOM_TOKEN', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH, 'RANDOM_TOKEN');
|
|
}
|
|
|
|
return INTERNAL.genRandomAlphaNumbers(length);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief finds search in value
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FIND_FIRST (value, search, start, end) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(start) !== TYPEWEIGHT_NULL) {
|
|
start = AQL_TO_NUMBER(start);
|
|
if (start < 0) {
|
|
return -1;
|
|
}
|
|
} else {
|
|
start = 0;
|
|
}
|
|
|
|
if (TYPEWEIGHT(end) !== TYPEWEIGHT_NULL) {
|
|
end = AQL_TO_NUMBER(end);
|
|
if (end < start || end < 0) {
|
|
return -1;
|
|
}
|
|
} else {
|
|
end = undefined;
|
|
}
|
|
|
|
if (end !== undefined) {
|
|
return AQL_TO_STRING(value).substr(0, end + 1).indexOf(AQL_TO_STRING(search), start);
|
|
}
|
|
|
|
return AQL_TO_STRING(value).indexOf(AQL_TO_STRING(search), start);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief finds search in value
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FIND_LAST (value, search, start, end) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(start) !== TYPEWEIGHT_NULL) {
|
|
start = AQL_TO_NUMBER(start);
|
|
} else {
|
|
start = undefined;
|
|
}
|
|
|
|
if (TYPEWEIGHT(end) !== TYPEWEIGHT_NULL) {
|
|
end = AQL_TO_NUMBER(end);
|
|
if (end < start || end < 0) {
|
|
return -1;
|
|
}
|
|
} else {
|
|
end = undefined;
|
|
}
|
|
|
|
var result;
|
|
if (start > 0 || end !== undefined) {
|
|
if (end === undefined) {
|
|
result = AQL_TO_STRING(value).substr(start).lastIndexOf(AQL_TO_STRING(search));
|
|
} else {
|
|
result = AQL_TO_STRING(value).substr(start, end - start + 1).lastIndexOf(AQL_TO_STRING(search));
|
|
}
|
|
if (result !== -1) {
|
|
result += start;
|
|
}
|
|
} else {
|
|
result = AQL_TO_STRING(value).lastIndexOf(AQL_TO_STRING(search));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief cast to a bool
|
|
// /
|
|
// / the operand can have any type, always returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TO_BOOL (value) {
|
|
'use strict';
|
|
|
|
switch (TYPEWEIGHT(value)) {
|
|
case TYPEWEIGHT_NULL:
|
|
return false;
|
|
case TYPEWEIGHT_BOOL:
|
|
return value;
|
|
case TYPEWEIGHT_NUMBER:
|
|
return (value !== 0);
|
|
case TYPEWEIGHT_STRING:
|
|
return (value !== '');
|
|
case TYPEWEIGHT_ARRAY:
|
|
case TYPEWEIGHT_OBJECT:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief cast to a number
|
|
// /
|
|
// / the operand can have any type, returns a number or null
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TO_NUMBER (value) {
|
|
'use strict';
|
|
|
|
switch (TYPEWEIGHT(value)) {
|
|
case TYPEWEIGHT_NULL:
|
|
// this covers Infinity and NaN
|
|
return 0;
|
|
case TYPEWEIGHT_BOOL:
|
|
return (value ? 1 : 0);
|
|
case TYPEWEIGHT_NUMBER:
|
|
return value;
|
|
case TYPEWEIGHT_STRING:
|
|
var result = NUMERIC_VALUE(Number(value), false);
|
|
return ((TYPEWEIGHT(result) === TYPEWEIGHT_NUMBER) ? result : null);
|
|
case TYPEWEIGHT_ARRAY:
|
|
if (value.length === 0) {
|
|
return 0;
|
|
}
|
|
if (value.length === 1) {
|
|
return AQL_TO_NUMBER(value[0]);
|
|
}
|
|
// fallthrough intentional
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief cast to a string
|
|
// /
|
|
// / the operand can have any type, always returns a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TO_STRING (value) {
|
|
'use strict';
|
|
|
|
switch (TYPEWEIGHT(value)) {
|
|
case TYPEWEIGHT_NULL:
|
|
return '';
|
|
case TYPEWEIGHT_BOOL:
|
|
return (value ? 'true' : 'false');
|
|
case TYPEWEIGHT_STRING:
|
|
return value;
|
|
case TYPEWEIGHT_NUMBER:
|
|
return value.toString();
|
|
case TYPEWEIGHT_ARRAY:
|
|
case TYPEWEIGHT_OBJECT:
|
|
return JSON.stringify(value);
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief cast to an array
|
|
// /
|
|
// / the operand can have any type, always returns a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TO_ARRAY (value) {
|
|
'use strict';
|
|
|
|
switch (TYPEWEIGHT(value)) {
|
|
case TYPEWEIGHT_NULL:
|
|
return [];
|
|
case TYPEWEIGHT_BOOL:
|
|
case TYPEWEIGHT_NUMBER:
|
|
case TYPEWEIGHT_STRING:
|
|
return [ value ];
|
|
case TYPEWEIGHT_ARRAY:
|
|
return value;
|
|
case TYPEWEIGHT_OBJECT:
|
|
return VALUES(value);
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the array as is, or an empty array
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ARRAYIZE (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_ARRAY) {
|
|
return [];
|
|
}
|
|
return value;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of type null
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_NULL (value) {
|
|
'use strict';
|
|
|
|
return (TYPEWEIGHT(value) === TYPEWEIGHT_NULL);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of type bool
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_BOOL (value) {
|
|
'use strict';
|
|
|
|
return (TYPEWEIGHT(value) === TYPEWEIGHT_BOOL);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of type number
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_NUMBER (value) {
|
|
'use strict';
|
|
|
|
return (TYPEWEIGHT(value) === TYPEWEIGHT_NUMBER);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of type string
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_STRING (value) {
|
|
'use strict';
|
|
|
|
return (TYPEWEIGHT(value) === TYPEWEIGHT_STRING);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of type array
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_ARRAY (value) {
|
|
'use strict';
|
|
|
|
return (TYPEWEIGHT(value) === TYPEWEIGHT_ARRAY);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of type object
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_OBJECT (value) {
|
|
'use strict';
|
|
|
|
return (TYPEWEIGHT(value) === TYPEWEIGHT_OBJECT);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test if value is of a valid datestring
|
|
// /
|
|
// / returns a bool
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_DATESTRING (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_STRING) {
|
|
return false;
|
|
}
|
|
|
|
// argument is a string
|
|
|
|
// detect invalid dates ("foo" -> "fooZ" -> getTime() == NaN)
|
|
var date = new Date(value);
|
|
if (isNaN(date)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief integer closest to value, not greater than value
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FLOOR (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.floor(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief integer closest to value and not less than value
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CEIL (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.ceil(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief integer closest to value
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ROUND (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.round(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief absolute value
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ABS (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.abs(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief a random value between 0 and 1
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_RAND () {
|
|
'use strict';
|
|
|
|
return Math.random();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief square root
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SQRT (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.sqrt(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief exponentation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_POW (base, exp) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.pow(AQL_TO_NUMBER(base), AQL_TO_NUMBER(exp)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief log(n)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LOG (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.log(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief log(2)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LOG2 (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.log2(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief log(10)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LOG10 (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.log10(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief exp(n)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_EXP (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.exp(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief exp(2)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_EXP2 (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.pow(2, AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief sin
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SIN (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.sin(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief cos
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_COS (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.cos(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief tan
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TAN (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.tan(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief asin
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ASIN (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.asin(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief acos
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ACOS (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.acos(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief atan
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ATAN (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.atan(AQL_TO_NUMBER(value)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief atan2
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ATAN2 (value1, value2) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(Math.atan2(AQL_TO_NUMBER(value1), AQL_TO_NUMBER(value2)), true);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief radians
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_RADIANS (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(value * (Math.PI / 180));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief degrees
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DEGREES (value) {
|
|
'use strict';
|
|
|
|
return NUMERIC_VALUE(value * (180 / Math.PI));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief pi
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_PI () {
|
|
'use strict';
|
|
|
|
return Math.PI;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the length of a list, document or string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LENGTH (value) {
|
|
'use strict';
|
|
|
|
var typeWeight = TYPEWEIGHT(value);
|
|
|
|
if (typeWeight === TYPEWEIGHT_ARRAY) {
|
|
return value.length;
|
|
} else if (typeWeight === TYPEWEIGHT_OBJECT) {
|
|
return KEYS(value, false).length;
|
|
} else if (typeWeight === TYPEWEIGHT_NULL) {
|
|
return 0;
|
|
} else if (typeWeight === TYPEWEIGHT_BOOL) {
|
|
return value ? 1 : 0;
|
|
}
|
|
|
|
// https://mathiasbynens.be/notes/javascript-unicode
|
|
return [...AQL_TO_STRING(value)].length;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the first element of a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FIRST (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('FIRST', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
if (value.length === 0) {
|
|
return null;
|
|
}
|
|
|
|
return value[0];
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the last element of a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_LAST (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('LAST', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
if (value.length === 0) {
|
|
return null;
|
|
}
|
|
|
|
return value[value.length - 1];
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the position of an element in a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_POSITION (value, search, returnIndex) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('POSITION', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
returnIndex = returnIndex || false;
|
|
|
|
var i, n = value.length;
|
|
|
|
if (n > 0) {
|
|
for (i = 0; i < n; ++i) {
|
|
if (RELATIONAL_EQUAL(value[i], search)) {
|
|
return returnIndex ? i : true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return returnIndex ? -1 : false;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief get the nth element in a list, or null if the item does not exist
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_NTH (value, position) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('NTH', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
position = AQL_TO_NUMBER(position);
|
|
if (position < 0 || position >= value.length) {
|
|
return null;
|
|
}
|
|
|
|
return value[position];
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief reverse the elements in a list or in a string
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_REVERSE (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_STRING) {
|
|
return value.split('').reverse().join('');
|
|
}
|
|
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_ARRAY) {
|
|
return CLONE(value).reverse();
|
|
}
|
|
|
|
WARN('REVERSE', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return a range of values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_RANGE (from, to, step) {
|
|
'use strict';
|
|
|
|
from = AQL_TO_NUMBER(from) || 0;
|
|
to = AQL_TO_NUMBER(to) || 0;
|
|
|
|
if (step === undefined || step === null) {
|
|
if (from <= to) {
|
|
step = 1;
|
|
} else {
|
|
step = -1;
|
|
}
|
|
}
|
|
|
|
step = AQL_TO_NUMBER(step);
|
|
|
|
// check if we would run into an endless loop
|
|
if (step === 0 || step === null) {
|
|
WARN('RANGE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
if (from < to && step < 0) {
|
|
WARN('RANGE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
if (from > to && step > 0) {
|
|
WARN('RANGE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var result = [], i;
|
|
if (step < 0 && to <= from) {
|
|
for (i = from; i >= to; i += step) {
|
|
result.push(i);
|
|
}
|
|
} else {
|
|
for (i = from; i <= to; i += step) {
|
|
result.push(i);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return a list of unique elements from the array
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UNIQUE (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('UNIQUE', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var keys = { }, result = [];
|
|
|
|
values.forEach(function (value) {
|
|
var normalized = NORMALIZE(value);
|
|
var key = JSON.stringify(normalized);
|
|
|
|
if (!keys.hasOwnProperty(key)) {
|
|
keys[key] = normalized;
|
|
result.push(value);
|
|
}
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return a list of unique elements from the array
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SORTED_UNIQUE (values) {
|
|
'use strict';
|
|
|
|
var unique = AQL_UNIQUE(values);
|
|
|
|
if (TYPEWEIGHT(unique) !== TYPEWEIGHT_ARRAY) {
|
|
return null;
|
|
}
|
|
|
|
unique.sort(RELATIONAL_CMP);
|
|
return unique;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief create the union (all) of all arguments
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UNION () {
|
|
'use strict';
|
|
|
|
var result = [], i;
|
|
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('UNION', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var n = element.length, j;
|
|
|
|
for (j = 0; j < n; ++j) {
|
|
result.push(element[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief create the union (distinct) of all arguments
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UNION_DISTINCT () {
|
|
'use strict';
|
|
|
|
var keys = { }, i;
|
|
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('UNION_DISTINCT', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var n = element.length, j;
|
|
|
|
for (j = 0; j < n; ++j) {
|
|
var normalized = NORMALIZE(element[j]);
|
|
var key = JSON.stringify(normalized);
|
|
|
|
if (!keys.hasOwnProperty(key)) {
|
|
keys[key] = normalized;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var result = [];
|
|
Object.keys(keys).forEach(function (k) {
|
|
result.push(keys[k]);
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief call a function for each element in the input list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CALL (name) {
|
|
'use strict';
|
|
|
|
var args = [], i;
|
|
for (i = 1; i < arguments.length; ++i) {
|
|
args.push(arguments[i]);
|
|
}
|
|
|
|
return FCALL_DYNAMIC('CALL', true, null, name, args);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief call a function for each element in the input list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_APPLY (name, parameters) {
|
|
'use strict';
|
|
|
|
var args = [];
|
|
if (Array.isArray(parameters)) {
|
|
args = args.concat(parameters);
|
|
}
|
|
|
|
return FCALL_DYNAMIC('APPLY', true, null, name, args);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief removes elements from a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_REMOVE_VALUES (list, values) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(values);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return list;
|
|
} else if (type !== TYPEWEIGHT_ARRAY) {
|
|
WARN('REMOVE_VALUES', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return [];
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
var copy = [], i;
|
|
for (i = 0; i < list.length; ++i) {
|
|
if (RELATIONAL_IN(list[i], values)) {
|
|
continue;
|
|
}
|
|
copy.push(CLONE(list[i]));
|
|
}
|
|
return copy;
|
|
}
|
|
|
|
WARN('REMOVE_VALUES', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief removes an element from a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_REMOVE_VALUE (list, value, limit) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return [];
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
if (TYPEWEIGHT(limit) === TYPEWEIGHT_NULL) {
|
|
limit = -1;
|
|
}
|
|
|
|
var copy = [], i;
|
|
for (i = 0; i < list.length; ++i) {
|
|
if (limit === -1 && RELATIONAL_CMP(list[i], value) === 0) {
|
|
continue;
|
|
} else if (limit > 0 && RELATIONAL_CMP(list[i], value) === 0) {
|
|
--limit;
|
|
continue;
|
|
}
|
|
copy.push(CLONE(list[i]));
|
|
}
|
|
return copy;
|
|
}
|
|
|
|
WARN('REMOVE_VALUE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief removes an element from a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_REMOVE_NTH (list, position) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return [];
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
position = AQL_TO_NUMBER(position);
|
|
if (position >= list.length || position < - list.length) {
|
|
return list;
|
|
}
|
|
if (position === 0) {
|
|
return list.slice(1);
|
|
} else if (position === - list.length) {
|
|
return list.slice(position + 1);
|
|
} else if (position === list.length - 1) {
|
|
return list.slice(0, position);
|
|
} else if (position < 0) {
|
|
return list.slice(0, list.length + position).concat(list.slice(list.length + position + 1));
|
|
}
|
|
|
|
return list.slice(0, position).concat(list.slice(position + 1));
|
|
}
|
|
|
|
WARN('REMOVE_NTH', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief adds an element to a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_PUSH (list, value, unique) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return [ value ];
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
if (AQL_TO_BOOL(unique)) {
|
|
if (RELATIONAL_IN(value, list)) {
|
|
return list;
|
|
}
|
|
}
|
|
|
|
var copy = CLONE(list);
|
|
copy.push(value);
|
|
return copy;
|
|
}
|
|
|
|
WARN('PUSH', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief adds elements to a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_APPEND (list, values, unique) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(values);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return list;
|
|
} else if (type !== TYPEWEIGHT_ARRAY) {
|
|
values = [ values ];
|
|
}
|
|
|
|
if (unique) {
|
|
list = AQL_UNIQUE(list);
|
|
}
|
|
|
|
if (values.length === 0) {
|
|
return list;
|
|
}
|
|
|
|
unique = AQL_TO_BOOL(unique);
|
|
if (values.length > 1 && unique) {
|
|
// make values unique themselves
|
|
values = AQL_UNIQUE(values);
|
|
}
|
|
|
|
type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return values;
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
var copy = CLONE(list);
|
|
if (unique) {
|
|
var i;
|
|
for (i = 0; i < values.length; ++i) {
|
|
if (RELATIONAL_IN(values[i], list)) {
|
|
continue;
|
|
}
|
|
copy.push(values[i]);
|
|
}
|
|
return copy;
|
|
}
|
|
return copy.concat(values);
|
|
}
|
|
|
|
WARN('APPEND', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief pops an element from a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_POP (list) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
if (list.length === 0) {
|
|
return [];
|
|
}
|
|
var copy = CLONE(list);
|
|
copy.pop();
|
|
|
|
return copy;
|
|
}
|
|
|
|
WARN('POP', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief insert an element into a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UNSHIFT (list, value, unique) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return [ value ];
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
if (unique) {
|
|
if (RELATIONAL_IN(value, list)) {
|
|
return list;
|
|
}
|
|
}
|
|
|
|
var copy = CLONE(list);
|
|
copy.unshift(value);
|
|
return copy;
|
|
}
|
|
|
|
WARN('UNSHIFT', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief pops an element from a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SHIFT (list) {
|
|
'use strict';
|
|
|
|
var type = TYPEWEIGHT(list);
|
|
if (type === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
} else if (type === TYPEWEIGHT_ARRAY) {
|
|
if (list.length === 0) {
|
|
return [];
|
|
}
|
|
var copy = CLONE(list);
|
|
copy.shift();
|
|
|
|
return copy;
|
|
}
|
|
|
|
WARN('SHIFT', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief extract a slice from an array
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SLICE (value, from, to, nonNegative) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('SLICE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
from = AQL_TO_NUMBER(from);
|
|
if (from < 0) {
|
|
from = value.length + from;
|
|
if (from < 0) {
|
|
from = 0;
|
|
}
|
|
}
|
|
|
|
if (TYPEWEIGHT(to) !== TYPEWEIGHT_NULL) {
|
|
to = AQL_TO_NUMBER(to);
|
|
}
|
|
|
|
if (nonNegative && (from < 0 || to < 0)) {
|
|
return [];
|
|
}
|
|
|
|
if (TYPEWEIGHT(to) === TYPEWEIGHT_NULL) {
|
|
to = undefined;
|
|
} else {
|
|
if (to >= 0) {
|
|
to += from;
|
|
} else {
|
|
to = value.length + to;
|
|
if (to < 0) {
|
|
to = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
return value.slice(from, to);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief subtract lists from other lists
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MINUS () {
|
|
'use strict';
|
|
|
|
var keys = { }, i, first = true;
|
|
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('MINUS', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var n = element.length, j;
|
|
|
|
for (j = 0; j < n; ++j) {
|
|
var normalized = NORMALIZE(element[j]);
|
|
var key = JSON.stringify(normalized);
|
|
var contained = keys.hasOwnProperty(key);
|
|
|
|
if (first) {
|
|
if (!contained) {
|
|
keys[key] = normalized;
|
|
}
|
|
} else if (contained) {
|
|
delete keys[key];
|
|
}
|
|
}
|
|
|
|
first = false;
|
|
}
|
|
}
|
|
|
|
var result = [];
|
|
Object.keys(keys).forEach(function (k) {
|
|
result.push(keys[k]);
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief create the intersection of all arguments
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_INTERSECTION () {
|
|
'use strict';
|
|
|
|
var result = [], i, first = true, keys = { };
|
|
|
|
var func = function (value) {
|
|
var normalized = NORMALIZE(value);
|
|
keys[JSON.stringify(normalized)] = normalized;
|
|
};
|
|
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('INTERSECTION', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (first) {
|
|
element.forEach(func);
|
|
first = false;
|
|
} else {
|
|
var j, newKeys = { };
|
|
for (j = 0; j < element.length; ++j) {
|
|
var normalized = NORMALIZE(element[j]);
|
|
var key = JSON.stringify(normalized);
|
|
|
|
if (keys.hasOwnProperty(key)) {
|
|
newKeys[key] = normalized;
|
|
}
|
|
}
|
|
keys = newKeys;
|
|
newKeys = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
Object.keys(keys).forEach(function (k) {
|
|
result.push(keys[k]);
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief create the difference of all arguments, i.e. all unique elements
|
|
// / in the arrays
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_OUTERSECTION () {
|
|
'use strict';
|
|
|
|
var i, keys = { };
|
|
|
|
var func = function (value) {
|
|
var normalized = NORMALIZE(value);
|
|
var k = JSON.stringify(normalized);
|
|
if (keys.hasOwnProperty(k)) {
|
|
++keys[k][1];
|
|
} else {
|
|
keys[k] = [value, 1];
|
|
}
|
|
};
|
|
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('OUTERSECTION', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
element.forEach(func);
|
|
}
|
|
}
|
|
|
|
var result = [];
|
|
Object.keys(keys).forEach(function (k) {
|
|
if (keys[k][1] === 1) {
|
|
result.push(keys[k][0]);
|
|
}
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief flatten a list of lists
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FLATTEN (values, maxDepth, depth) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('FLATTEN', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
maxDepth = AQL_TO_NUMBER(maxDepth);
|
|
if (TYPEWEIGHT(maxDepth) === TYPEWEIGHT_NULL || maxDepth < 1) {
|
|
maxDepth = 1;
|
|
}
|
|
|
|
if (TYPEWEIGHT(depth) === TYPEWEIGHT_NULL) {
|
|
depth = 0;
|
|
}
|
|
|
|
var value, result = [];
|
|
var i, n;
|
|
var p = function (v) {
|
|
result.push(v);
|
|
};
|
|
|
|
for (i = 0, n = values.length; i < n; ++i) {
|
|
value = values[i];
|
|
if (depth < maxDepth && TYPEWEIGHT(value) === TYPEWEIGHT_ARRAY) {
|
|
AQL_FLATTEN(value, maxDepth, depth + 1).forEach(p);
|
|
} else {
|
|
result.push(value);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief maximum of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MAX (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('MAX', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var value, result = null;
|
|
var i, n;
|
|
|
|
for (i = 0, n = values.length; i < n; ++i) {
|
|
value = values[i];
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_NULL) {
|
|
if (result === null || RELATIONAL_GREATER(value, result)) {
|
|
result = value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief minimum of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MIN (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('MIN', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var value, result = null;
|
|
var i, n;
|
|
|
|
for (i = 0, n = values.length; i < n; ++i) {
|
|
value = values[i];
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_NULL) {
|
|
if (result === null || RELATIONAL_LESS(value, result)) {
|
|
result = value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief sum of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SUM (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('SUM', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var i, n;
|
|
var value, typeWeight, result = 0;
|
|
|
|
for (i = 0, n = values.length; i < n; ++i) {
|
|
value = values[i];
|
|
typeWeight = TYPEWEIGHT(value);
|
|
|
|
if (typeWeight !== TYPEWEIGHT_NULL) {
|
|
if (typeWeight !== TYPEWEIGHT_NUMBER) {
|
|
WARN('SUM', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
result += value;
|
|
}
|
|
}
|
|
|
|
return NUMERIC_VALUE(result);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief average of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_AVERAGE (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('AVERAGE', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var current, typeWeight, sum = 0;
|
|
var i, j, n;
|
|
|
|
for (i = 0, j = 0, n = values.length; i < n; ++i) {
|
|
current = values[i];
|
|
typeWeight = TYPEWEIGHT(current);
|
|
|
|
if (typeWeight !== TYPEWEIGHT_NULL) {
|
|
if (typeWeight !== TYPEWEIGHT_NUMBER) {
|
|
WARN('AVERAGE', INTERNAL.errors.ERROR_QUERY_INVALID_ARITHMETIC_VALUE);
|
|
return null;
|
|
}
|
|
|
|
sum += current;
|
|
j++;
|
|
}
|
|
}
|
|
|
|
if (j === 0) {
|
|
return null;
|
|
}
|
|
|
|
return NUMERIC_VALUE(sum / j);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief median of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MEDIAN (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('MEDIAN', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var copy = [], current, typeWeight;
|
|
var i, n;
|
|
|
|
for (i = 0, n = values.length; i < n; ++i) {
|
|
current = values[i];
|
|
typeWeight = TYPEWEIGHT(current);
|
|
|
|
if (typeWeight !== TYPEWEIGHT_NULL) {
|
|
if (typeWeight !== TYPEWEIGHT_NUMBER) {
|
|
WARN('MEDIAN', INTERNAL.errors.ERROR_QUERY_INVALID_ARITHMETIC_VALUE);
|
|
return null;
|
|
}
|
|
|
|
copy.push(current);
|
|
}
|
|
}
|
|
|
|
if (copy.length === 0) {
|
|
return null;
|
|
}
|
|
|
|
copy.sort(RELATIONAL_CMP);
|
|
|
|
var midpoint = copy.length / 2;
|
|
if (copy.length % 2 === 0) {
|
|
return NUMERIC_VALUE((copy[midpoint - 1] + copy[midpoint]) / 2);
|
|
}
|
|
|
|
return NUMERIC_VALUE(copy[Math.floor(midpoint)]);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief returns the pth percentile of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_PERCENTILE (values, p, method) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('PERCENTILE', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
if (TYPEWEIGHT(p) !== TYPEWEIGHT_NUMBER) {
|
|
WARN('PERCENTILE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (p <= 0 || p > 100) {
|
|
WARN('PERCENTILE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (method === null || method === undefined) {
|
|
method = 'rank';
|
|
}
|
|
|
|
if (method !== 'interpolation' && method !== 'rank') {
|
|
WARN('PERCENTILE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var copy = [], current, typeWeight;
|
|
var i, n;
|
|
|
|
for (i = 0, n = values.length; i < n; ++i) {
|
|
current = values[i];
|
|
typeWeight = TYPEWEIGHT(current);
|
|
|
|
if (typeWeight !== TYPEWEIGHT_NULL) {
|
|
if (typeWeight !== TYPEWEIGHT_NUMBER) {
|
|
WARN('PERCENTILE', INTERNAL.errors.ERROR_QUERY_INVALID_ARITHMETIC_VALUE);
|
|
return null;
|
|
}
|
|
|
|
copy.push(current);
|
|
}
|
|
}
|
|
|
|
if (copy.length === 0) {
|
|
return null;
|
|
} else if (copy.length === 1) {
|
|
return copy[0];
|
|
}
|
|
|
|
copy.sort(RELATIONAL_CMP);
|
|
|
|
var idx, pos;
|
|
if (method === 'interpolation') {
|
|
// interpolation method
|
|
idx = p * (copy.length + 1) / 100;
|
|
pos = Math.floor(idx);
|
|
var delta = idx - pos;
|
|
|
|
if (pos >= copy.length) {
|
|
return NUMERIC_VALUE(copy[copy.length - 1]);
|
|
}
|
|
return NUMERIC_VALUE(delta * (copy[pos] - copy[pos - 1]) + copy[pos - 1]);
|
|
} else {
|
|
// rank method
|
|
idx = p * (copy.length) / 100;
|
|
pos = Math.ceil(idx);
|
|
|
|
if (pos >= copy.length) {
|
|
return NUMERIC_VALUE(copy[copy.length - 1]);
|
|
}
|
|
return NUMERIC_VALUE(copy[pos - 1]);
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief variance of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function VARIANCE (values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('VARIANCE', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return null;
|
|
}
|
|
|
|
var mean = 0, m2 = 0, current, typeWeight, delta;
|
|
var i, j, n;
|
|
|
|
for (i = 0, j = 0, n = values.length; i < n; ++i) {
|
|
current = values[i];
|
|
typeWeight = TYPEWEIGHT(current);
|
|
|
|
if (typeWeight !== TYPEWEIGHT_NULL) {
|
|
if (typeWeight !== TYPEWEIGHT_NUMBER) {
|
|
WARN('VARIANCE', INTERNAL.errors.ERROR_QUERY_INVALID_ARITHMETIC_VALUE);
|
|
return null;
|
|
}
|
|
|
|
delta = current - mean;
|
|
mean += delta / ++j;
|
|
m2 += delta * (current - mean);
|
|
}
|
|
}
|
|
|
|
return {
|
|
n: j,
|
|
value: m2
|
|
};
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief sample variance of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_VARIANCE_SAMPLE (values) {
|
|
'use strict';
|
|
|
|
var result = VARIANCE(values);
|
|
if (result === null || result === undefined) {
|
|
return null;
|
|
}
|
|
|
|
if (result.n < 2) {
|
|
return null;
|
|
}
|
|
|
|
return NUMERIC_VALUE(result.value / (result.n - 1));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief population variance of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_VARIANCE_POPULATION (values) {
|
|
'use strict';
|
|
|
|
var result = VARIANCE(values);
|
|
if (result === null || result === undefined) {
|
|
return null;
|
|
}
|
|
|
|
if (result.n < 1) {
|
|
return null;
|
|
}
|
|
|
|
return NUMERIC_VALUE(result.value / result.n);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief standard deviation of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_STDDEV_SAMPLE (values) {
|
|
'use strict';
|
|
|
|
var result = VARIANCE(values);
|
|
if (result === null || result === undefined) {
|
|
return null;
|
|
}
|
|
|
|
if (result.n < 2) {
|
|
return null;
|
|
}
|
|
|
|
return NUMERIC_VALUE(Math.sqrt(result.value / (result.n - 1)));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief standard deviation of all values
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_STDDEV_POPULATION (values) {
|
|
'use strict';
|
|
|
|
var result = VARIANCE(values);
|
|
if (result === null || result === undefined) {
|
|
return null;
|
|
}
|
|
|
|
if (result.n < 1) {
|
|
return null;
|
|
}
|
|
|
|
return NUMERIC_VALUE(Math.sqrt(result.value / result.n));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return at most <limit> documents near a certain point
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_NEAR (collection, latitude, longitude, limit, distanceAttribute) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(limit) === TYPEWEIGHT_NULL) {
|
|
// use default value
|
|
limit = 100;
|
|
} else {
|
|
if (TYPEWEIGHT(limit) !== TYPEWEIGHT_NUMBER) {
|
|
THROW('NEAR', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
}
|
|
limit = AQL_TO_NUMBER(limit);
|
|
}
|
|
|
|
var weight = TYPEWEIGHT(distanceAttribute);
|
|
if (weight !== TYPEWEIGHT_NULL && weight !== TYPEWEIGHT_STRING) {
|
|
THROW('NEAR', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
}
|
|
|
|
var query = COLLECTION(collection, 'NEAR').near(latitude, longitude);
|
|
query._distance = distanceAttribute;
|
|
return query.limit(limit).toArray();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return documents within <radius> around a certain point
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_WITHIN (collection, latitude, longitude, radius, distanceAttribute) {
|
|
'use strict';
|
|
|
|
var weight = TYPEWEIGHT(distanceAttribute);
|
|
if (weight !== TYPEWEIGHT_NULL && weight !== TYPEWEIGHT_STRING) {
|
|
THROW('WITHIN', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
}
|
|
|
|
weight = TYPEWEIGHT(radius);
|
|
if (weight !== TYPEWEIGHT_NULL && weight !== TYPEWEIGHT_NUMBER) {
|
|
THROW('WITHIN', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
}
|
|
radius = AQL_TO_NUMBER(radius);
|
|
|
|
// Just start a simple query
|
|
var query = COLLECTION(collection, 'WITHIN').within(latitude, longitude, radius);
|
|
query._distance = distanceAttribute;
|
|
return query.toArray();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return documents within a bounding rectangle
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_WITHIN_RECTANGLE (collection, latitude1, longitude1, latitude2, longitude2) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(latitude1) !== TYPEWEIGHT_NUMBER ||
|
|
TYPEWEIGHT(longitude1) !== TYPEWEIGHT_NUMBER ||
|
|
TYPEWEIGHT(latitude2) !== TYPEWEIGHT_NUMBER ||
|
|
TYPEWEIGHT(longitude2) !== TYPEWEIGHT_NUMBER) {
|
|
WARN('WITHIN_RECTANGLE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
return COLLECTION(collection, 'WITHIN_RECTANGLE').withinRectangle(
|
|
latitude1,
|
|
longitude1,
|
|
latitude2,
|
|
longitude2
|
|
).toArray();
|
|
}
|
|
|
|
function AQL_DISTANCE (latitude1, longitude1, latitude2, longitude2) {
|
|
if (TYPEWEIGHT(latitude1) !== TYPEWEIGHT_NUMBER ||
|
|
TYPEWEIGHT(longitude1) !== TYPEWEIGHT_NUMBER ||
|
|
TYPEWEIGHT(latitude2) !== TYPEWEIGHT_NUMBER ||
|
|
TYPEWEIGHT(longitude2) !== TYPEWEIGHT_NUMBER) {
|
|
WARN('DISTANCE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var p1 = AQL_TO_NUMBER(latitude1) * (Math.PI / 180.0);
|
|
var p2 = AQL_TO_NUMBER(latitude2) * (Math.PI / 180.0);
|
|
var d1 = AQL_TO_NUMBER(latitude2 - latitude1) * (Math.PI / 180.0);
|
|
var d2 = AQL_TO_NUMBER(longitude2 - longitude1) * (Math.PI / 180.0);
|
|
|
|
var a = Math.sin(d1 / 2.0) * Math.sin(d1 / 2.0) +
|
|
Math.cos(p1) * Math.cos(p2) *
|
|
Math.sin(d2 / 2.0) * Math.sin(d2 / 2.0);
|
|
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1.0 - a));
|
|
|
|
return AQL_TO_NUMBER(6371e3 * c);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return true if a point is contained inside a polygon
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_IN_POLYGON (points, latitude, longitude) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(points) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('POINT_IN_POLYGON', INTERNAL.errors.ERROR_QUERY_ARRAY_EXPECTED);
|
|
return false;
|
|
}
|
|
|
|
var searchLat, searchLon, pointLat, pointLon, geoJson = false;
|
|
if (TYPEWEIGHT(latitude) === TYPEWEIGHT_ARRAY) {
|
|
geoJson = AQL_TO_BOOL(longitude);
|
|
if (geoJson) {
|
|
// first list value is longitude, then latitude
|
|
searchLat = latitude[1];
|
|
searchLon = latitude[0];
|
|
pointLat = 1;
|
|
pointLon = 0;
|
|
} else {
|
|
// first list value is latitude, then longitude
|
|
searchLat = latitude[0];
|
|
searchLon = latitude[1];
|
|
pointLat = 0;
|
|
pointLon = 1;
|
|
}
|
|
} else if (TYPEWEIGHT(latitude) === TYPEWEIGHT_NUMBER &&
|
|
TYPEWEIGHT(longitude) === TYPEWEIGHT_NUMBER) {
|
|
searchLat = latitude;
|
|
searchLon = longitude;
|
|
pointLat = 0;
|
|
pointLon = 1;
|
|
} else {
|
|
WARN('POINT_IN_POLYGON', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return false;
|
|
}
|
|
|
|
var i, j = points.length - 1;
|
|
var oddNodes = false;
|
|
|
|
for (i = 0; i < points.length; ++i) {
|
|
if (TYPEWEIGHT(points[i]) !== TYPEWEIGHT_ARRAY) {
|
|
continue;
|
|
}
|
|
|
|
if (((points[i][pointLat] < searchLat && points[j][pointLat] >= searchLat) ||
|
|
(points[j][pointLat] < searchLat && points[i][pointLat] >= searchLat)) &&
|
|
(points[i][pointLon] <= searchLon || points[j][pointLon] <= searchLon)) {
|
|
oddNodes ^= ((points[i][pointLon] + (searchLat - points[i][pointLat]) /
|
|
(points[j][pointLat] - points[i][pointLat]) *
|
|
(points[j][pointLon] - points[i][pointLon])) < searchLon);
|
|
}
|
|
|
|
j = i;
|
|
}
|
|
|
|
if (oddNodes) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return documents that match a fulltext query
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FULLTEXT (collection, attribute, query, limit) {
|
|
'use strict';
|
|
|
|
var idx = INDEX_FULLTEXT(COLLECTION(collection, 'FULLTEXT'), attribute);
|
|
|
|
if (idx === null) {
|
|
WARN('FULLTEXT', INTERNAL.errors.ERROR_QUERY_FULLTEXT_INDEX_MISSING, collection);
|
|
return null;
|
|
}
|
|
|
|
// Just start a simple query
|
|
if (limit !== undefined && limit !== null && limit > 0) {
|
|
return COLLECTION(collection, 'FULLTEXT').fulltext(attribute, query, idx).limit(limit).toArray();
|
|
}
|
|
return COLLECTION(collection, 'FULLTEXT').fulltext(attribute, query, idx).toArray();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the first alternative that's not null until there are no more
|
|
// / alternatives. if neither of the alternatives is a value other than null,
|
|
// / then null will be returned
|
|
// /
|
|
// / the operands can have any type
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_NOT_NULL () {
|
|
'use strict';
|
|
|
|
var i;
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_NULL) {
|
|
return element;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the first alternative that's a list until there are no more
|
|
// / alternatives. if neither of the alternatives is a list, then null will be
|
|
// / returned
|
|
// /
|
|
// / the operands can have any type
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FIRST_LIST () {
|
|
'use strict';
|
|
|
|
var i;
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) === TYPEWEIGHT_ARRAY) {
|
|
return element;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the first alternative that's a document until there are no
|
|
// / more alternatives. if neither of the alternatives is a document, then null
|
|
// / will be returned
|
|
// /
|
|
// / the operands can have any type
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FIRST_DOCUMENT () {
|
|
'use strict';
|
|
|
|
var i;
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) === TYPEWEIGHT_OBJECT) {
|
|
return element;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the parts of a document identifier separately
|
|
// /
|
|
// / returns a document with the attributes `collection` and `key` or fails if
|
|
// / the individual parts cannot be determined.
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_PARSE_IDENTIFIER (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_STRING) {
|
|
var parts = value.split('/');
|
|
if (parts.length === 2) {
|
|
return {
|
|
collection: parts[0],
|
|
key: parts[1]
|
|
};
|
|
}
|
|
// fall through intentional
|
|
} else if (TYPEWEIGHT(value) === TYPEWEIGHT_OBJECT) {
|
|
if (value.hasOwnProperty('_id')) {
|
|
return AQL_PARSE_IDENTIFIER(value._id);
|
|
}
|
|
// fall through intentional
|
|
}
|
|
|
|
WARN('PARSE_IDENTIFIER', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief validates if a document or object is from the specified collection
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_IS_SAME_COLLECTION (collection, value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_OBJECT) {
|
|
if (value.hasOwnProperty('_id')) {
|
|
value = value._id;
|
|
}
|
|
}
|
|
|
|
if (TYPEWEIGHT(value) === TYPEWEIGHT_STRING) {
|
|
var pos = value.indexOf('/');
|
|
if (pos !== -1) {
|
|
return value.substr(0, pos) === collection;
|
|
}
|
|
// fall through intentional
|
|
}
|
|
|
|
WARN('AQL_IS_SAME_COLLECTION', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief check whether a document has a specific attribute
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_HAS (element, name) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_OBJECT) {
|
|
return false;
|
|
}
|
|
|
|
return element.hasOwnProperty(AQL_TO_STRING(name));
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the attribute names of a document as a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ATTRIBUTES (element, removeInternal, sort) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('ATTRIBUTES', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (removeInternal) {
|
|
var result = [];
|
|
|
|
Object.keys(element).forEach(function (k) {
|
|
if (k[0] !== '_') {
|
|
result.push(k);
|
|
}
|
|
});
|
|
|
|
if (sort) {
|
|
result.sort();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
return KEYS(element, sort);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the attribute values of a document as a list
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_VALUES (element, removeInternal) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('VALUES', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var result = [], a;
|
|
|
|
for (a in element) {
|
|
if (element.hasOwnProperty(a)) {
|
|
if (a[0] !== '_' || !removeInternal) {
|
|
result.push(element[a]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief assemble a document from two lists
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_ZIP (keys, values) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(keys) !== TYPEWEIGHT_ARRAY ||
|
|
TYPEWEIGHT(values) !== TYPEWEIGHT_ARRAY ||
|
|
keys.length !== values.length) {
|
|
WARN('ZIP', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var result = { }, i, n = keys.length;
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
result[AQL_TO_STRING(keys[i])] = values[i];
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief JSON.stringify
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_JSON_STRINGIFY (value) {
|
|
'use strict';
|
|
|
|
return JSON.stringify(value);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief JSON.parse
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_JSON_PARSE (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
if (typeof value !== 'string') {
|
|
WARN('JSON_PARSE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
return JSON.parse(value);
|
|
} catch (err) {
|
|
WARN('JSON_PARSE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief unset specific attributes from a document
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UNSET (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('UNSET', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var result = { }, keys = EXTRACT_KEYS(arguments, 1, 'UNSET');
|
|
// copy over all that is left
|
|
|
|
for (var k in value) {
|
|
if (value.hasOwnProperty(k) && !keys.hasOwnProperty(k)) {
|
|
result[k] = CLONE(value[k]);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief unset specific attributes from a document, recursively
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_UNSET_RECURSIVE (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('UNSET', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var keys = EXTRACT_KEYS(arguments, 1, 'UNSET');
|
|
// copy over all that is left
|
|
|
|
var func = function (value) {
|
|
var result = { };
|
|
for (var k in value) {
|
|
if (value.hasOwnProperty(k) && !keys.hasOwnProperty(k)) {
|
|
if (TYPEWEIGHT(value[k]) === TYPEWEIGHT_OBJECT) {
|
|
result[k] = func(value[k], keys);
|
|
} else {
|
|
result[k] = CLONE(value[k]);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
return func(value);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief keep specific attributes from a document
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_KEEP (value) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(value) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('KEEP', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
var result = { }, keys = EXTRACT_KEYS(arguments, 1, 'KEEP');
|
|
|
|
// copy over all that is left
|
|
for (var k in value) {
|
|
if (value.hasOwnProperty(k) && keys.hasOwnProperty(k)) {
|
|
result[k] = CLONE(value[k]);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief merge all arguments
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MERGE () {
|
|
'use strict';
|
|
|
|
var result = { };
|
|
|
|
var add = function (element) {
|
|
for (var k in element) {
|
|
if (element.hasOwnProperty(k)) {
|
|
result[k] = element[k];
|
|
}
|
|
}
|
|
};
|
|
|
|
var i, element;
|
|
|
|
if (arguments.length === 1) {
|
|
element = arguments[0];
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_ARRAY) {
|
|
WARN('MERGE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
for (i = 0; i < element.length; ++i) {
|
|
if (TYPEWEIGHT(element[i]) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('MERGE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
add(element[i]);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
var j = 0;
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('MERGE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (j === 0) {
|
|
result = element;
|
|
} else {
|
|
add(element);
|
|
}
|
|
++j;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief merge all arguments recursively
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MERGE_RECURSIVE () {
|
|
'use strict';
|
|
|
|
var result = { }, i, recurse;
|
|
|
|
recurse = function (old, element) {
|
|
var r = CLONE(old);
|
|
|
|
Object.keys(element).forEach(function (k) {
|
|
if (r.hasOwnProperty(k) && TYPEWEIGHT(element[k]) === TYPEWEIGHT_OBJECT) {
|
|
r[k] = recurse(r[k], element[k]);
|
|
} else {
|
|
r[k] = element[k];
|
|
}
|
|
});
|
|
|
|
return r;
|
|
};
|
|
|
|
for (i in arguments) {
|
|
if (arguments.hasOwnProperty(i)) {
|
|
var element = arguments[i];
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('MERGE_RECURSIVE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
result = recurse(result, element);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief translate a value, using a lookup document
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TRANSLATE (value, lookup, defaultValue) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(lookup) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('TRANSLATE', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (defaultValue === undefined) {
|
|
defaultValue = value;
|
|
}
|
|
|
|
var key = AQL_TO_STRING(value);
|
|
if (lookup.hasOwnProperty(key)) {
|
|
return lookup[key];
|
|
}
|
|
|
|
return defaultValue;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief compare an object against a list of examples and return whether the
|
|
// / object matches any of the examples. returns the example index or a bool,
|
|
// / depending on the value of the control flag (3rd) parameter
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_MATCHES (element, examples, returnIndex) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(element) !== TYPEWEIGHT_OBJECT) {
|
|
return false;
|
|
}
|
|
|
|
if (!Array.isArray(examples)) {
|
|
examples = [ examples ];
|
|
}
|
|
if (examples.length === 0) {
|
|
WARN('MATCHES', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return false;
|
|
}
|
|
|
|
returnIndex = returnIndex || false;
|
|
var i;
|
|
for (i = 0; i < examples.length; ++i) {
|
|
var example = examples[i];
|
|
var result = true;
|
|
if (TYPEWEIGHT(example) !== TYPEWEIGHT_OBJECT) {
|
|
WARN('MATCHES', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
continue;
|
|
}
|
|
|
|
var keys = KEYS(example), key, j;
|
|
for (j = 0; j < keys.length; ++j) {
|
|
key = keys[j];
|
|
|
|
if (!RELATIONAL_EQUAL(element[key], example[key])) {
|
|
result = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (result) {
|
|
// 3rd parameter determines whether we return the index or a bool flag
|
|
return (returnIndex ? i : true);
|
|
}
|
|
}
|
|
|
|
return (returnIndex ? -1 : false);
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief passthru the argument
|
|
// /
|
|
// / this function is marked as non-deterministic so its argument withstands
|
|
// / query optimisation. this function can be used for testing
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_PASSTHRU (value) {
|
|
'use strict';
|
|
|
|
return value;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief test helper function
|
|
// / this is no actual function the end user should call
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_TEST_INTERNAL (test, what) {
|
|
'use strict';
|
|
if (test === 'MODIFY_ARRAY') {
|
|
what[0] = 1;
|
|
what[1] = 42;
|
|
what[2] = [ 1, 2 ];
|
|
what[3].push([ 1, 2 ]);
|
|
what[4] = { a: 9, b: 2 };
|
|
what.push('foo');
|
|
what.push('bar');
|
|
what.pop();
|
|
} else if (test === 'MODIFY_OBJECT') {
|
|
what.a = 1;
|
|
what.b = 3;
|
|
what.c = [ 1, 2 ];
|
|
what.d.push([ 1, 2 ]);
|
|
what.e.f = { a: 1, b: 2 };
|
|
delete what.f;
|
|
what.g = 'foo';
|
|
} else if (test === 'DEADLOCK') {
|
|
var err = new ArangoError();
|
|
err.errorNum = INTERNAL.errors.ERROR_DEADLOCK.code;
|
|
err.errorMessage = INTERNAL.errors.ERROR_DEADLOCK.message;
|
|
throw err;
|
|
}
|
|
return what;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief sleep
|
|
// /
|
|
// / sleep for the specified duration
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_SLEEP (duration) {
|
|
'use strict';
|
|
|
|
duration = AQL_TO_NUMBER(duration);
|
|
if (TYPEWEIGHT(duration) !== TYPEWEIGHT_NUMBER || duration < 0) {
|
|
WARN('SLEEP', INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
AQL_QUERY_SLEEP(duration);
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the current user
|
|
// / note: this might be null if the query is not executed in a context that
|
|
// / has a user
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CURRENT_USER () {
|
|
'use strict';
|
|
|
|
if (INTERNAL.getCurrentRequest) {
|
|
var req = INTERNAL.getCurrentRequest();
|
|
|
|
if (typeof req === 'object') {
|
|
return req.user;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the current database name
|
|
// / has a user
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_CURRENT_DATABASE () {
|
|
'use strict';
|
|
|
|
return INTERNAL.db._name();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief always fail
|
|
// /
|
|
// / this function is non-deterministic so it is not executed at query
|
|
// / optimisation time. this function can be used for testing
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_FAIL (message) {
|
|
'use strict';
|
|
|
|
if (TYPEWEIGHT(message) === TYPEWEIGHT_STRING) {
|
|
THROW('FAIL', INTERNAL.errors.ERROR_QUERY_FAIL_CALLED, message);
|
|
}
|
|
|
|
THROW('FAIL', INTERNAL.errors.ERROR_QUERY_FAIL_CALLED, '');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief helper function for date creation
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function MAKE_DATE (args, func) {
|
|
'use strict';
|
|
|
|
var weight;
|
|
var i, n = args.length;
|
|
|
|
if (n === 1) {
|
|
// called with one argument only
|
|
weight = TYPEWEIGHT(args[0]);
|
|
|
|
if (weight !== TYPEWEIGHT_NUMBER) {
|
|
if (weight !== TYPEWEIGHT_STRING) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
// argument is a string
|
|
|
|
// append zulu time specifier if no other present
|
|
if (!args[0].match(/([zZ]|[+\-]\d+(:\d+)?)$/) ||
|
|
(args[0].match(/-\d+(:\d+)?$/) && !args[0].match(/[tT ]/))) {
|
|
args[0] += 'Z';
|
|
}
|
|
}
|
|
|
|
// detect invalid dates ("foo" -> "fooZ" -> getTime() == NaN)
|
|
var date = new Date(args[0]);
|
|
if (isNaN(date)) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE, func);
|
|
return null;
|
|
}
|
|
return date;
|
|
}
|
|
|
|
// called with more than one argument
|
|
|
|
if (n < 3) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_NUMBER_MISMATCH, func);
|
|
return null;
|
|
}
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
weight = TYPEWEIGHT(args[i]);
|
|
|
|
if (weight === TYPEWEIGHT_NULL) {
|
|
args[i] = 0;
|
|
} else {
|
|
if (weight === TYPEWEIGHT_STRING) {
|
|
args[i] = parseInt(args[i], 10);
|
|
} else if (weight !== TYPEWEIGHT_NUMBER) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
|
|
if (args[i] < 0) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE, func);
|
|
return null;
|
|
}
|
|
|
|
if (i === 1) {
|
|
// an exception for handling months: months are 0-based in JavaScript,
|
|
// but 1-based in AQL
|
|
args[i]--;
|
|
}
|
|
}
|
|
}
|
|
|
|
var result = new Date(Date.UTC.apply(null, args));
|
|
|
|
if (TYPEWEIGHT(result) !== TYPEWEIGHT_NULL) {
|
|
return result;
|
|
}
|
|
|
|
// avoid returning NaN here
|
|
return null;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the number of milliseconds since the Unix epoch
|
|
// /
|
|
// / this function is evaluated on every call
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_NOW () {
|
|
'use strict';
|
|
|
|
return Date.now();
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the timestamp of the date passed (in milliseconds)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_TIMESTAMP () {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE(arguments, 'DATE_TIMESTAMP').getTime();
|
|
} catch (err) {
|
|
WARN('DATE_TIMESTAMP', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the ISO string representation of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_ISO8601 () {
|
|
'use strict';
|
|
|
|
try {
|
|
var dt = MAKE_DATE(arguments, 'DATE_ISO8601');
|
|
if (dt === null) {
|
|
return dt;
|
|
}
|
|
return dt.toISOString();
|
|
} catch (err) {
|
|
WARN('DATE_ISO8601', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the weekday of the date passed (0 = Sunday, 1 = Monday etc.)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_DAYOFWEEK (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_DAYOFWEEK').getUTCDay();
|
|
} catch (err) {
|
|
WARN('DATE_DAYOFWEEK', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the year of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_YEAR (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_YEAR').getUTCFullYear();
|
|
} catch (err) {
|
|
WARN('DATE_YEAR', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the month of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_MONTH (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_MONTH').getUTCMonth() + 1;
|
|
} catch (err) {
|
|
WARN('DATE_MONTH', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the day of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_DAY (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_DAY').getUTCDate();
|
|
} catch (err) {
|
|
WARN('DATE_DAY', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the hours of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_HOUR (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_HOUR').getUTCHours();
|
|
} catch (err) {
|
|
WARN('DATE_HOUR', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the minutes of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_MINUTE (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_MINUTE').getUTCMinutes();
|
|
} catch (err) {
|
|
WARN('DATE_MINUTE', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the seconds of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_SECOND (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_SECOND').getUTCSeconds();
|
|
} catch (err) {
|
|
WARN('DATE_SECOND', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the milliseconds of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_MILLISECOND (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_MILLISECOND').getUTCMilliseconds();
|
|
} catch (err) {
|
|
WARN('DATE_MILLISECOND', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the day of the year of the date passed
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_DAYOFYEAR (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
var date = MAKE_DATE([ value ], 'DATE_DAYOFYEAR');
|
|
var m = date.getUTCMonth();
|
|
var d = date.getUTCDate();
|
|
var ly = AQL_DATE_LEAPYEAR(date.getTime());
|
|
// we could duplicate the leap year code here to avoid an extra MAKE_DATE() call...
|
|
// var yr = date.getUTCFullYear()
|
|
// var ly = !((yr % 4) || (!(yr % 100) && (yr % 400)))
|
|
return (ly ? (dayOfLeapYearOffsets[m] + d) : (dayOfYearOffsets[m] + d));
|
|
} catch (err) {
|
|
WARN('DATE_DAYOFYEAR', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the ISO week date of the date passed (1..53)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_ISOWEEK (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
var date = MAKE_DATE([ value ], 'DATE_ISOWEEK');
|
|
date.setUTCHours(0, 0, 0, 0);
|
|
date.setUTCDate(date.getUTCDate() + 4 - (date.getUTCDay() || 7));
|
|
return Math.ceil((((date - Date.UTC(date.getUTCFullYear(), 0, 1)) / 864e5) + 1) / 7);
|
|
} catch (err) {
|
|
WARN('DATE_ISOWEEK', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return if year of the date passed is a leap year
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_LEAPYEAR (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
var yr = MAKE_DATE([ value ], 'DATE_LEAPYEAR').getUTCFullYear();
|
|
return ((yr % 4 === 0) && (yr % 100 !== 0)) || (yr % 400 === 0);
|
|
} catch (err) {
|
|
WARN('DATE_LEAPYEAR', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return the ISO week date of the date passed (1..53)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_QUARTER (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
return MAKE_DATE([ value ], 'DATE_QUARTER').getUTCMonth() / 3 + 1 | 0;
|
|
} catch (err) {
|
|
WARN('DATE_QUARTER', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return number of days in month of date passed (leap year aware)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_DAYS_IN_MONTH (value) {
|
|
'use strict';
|
|
|
|
try {
|
|
var date = MAKE_DATE([ value ], 'DATE_DAYS_IN_MONTH');
|
|
var month = date.getUTCMonth() + 1;
|
|
var ly = AQL_DATE_LEAPYEAR(date.getTime());
|
|
return daysInMonth[month === 2 && ly ? 0 : month];
|
|
} catch (err) {
|
|
WARN('DATE_DAYS_IN_MONTH', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief internal function to add to or subtract from given date
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function DATE_CALC (value, amount, unit, func) {
|
|
'use strict';
|
|
|
|
try {
|
|
// TODO: check if isNaN? If called by AQL FOR-loop, should query throw
|
|
// and terminate immediately, or return a bunch of 'null's? If it shall
|
|
// stop, then best handled in MAKE_DATE() itself I guess.
|
|
var date = MAKE_DATE([ value ], func);
|
|
|
|
if (date === null) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
|
|
var sign = (func === 'DATE_ADD' || func === undefined) ? 1 : -1;
|
|
var m;
|
|
|
|
// if amount is not a number, then it must be an ISO duration string
|
|
if (TYPEWEIGHT(unit) === TYPEWEIGHT_NULL) {
|
|
if (TYPEWEIGHT(amount) !== TYPEWEIGHT_STRING) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
// ISO duration cache
|
|
var duration;
|
|
if (ISODurationCache[amount] === undefined) {
|
|
duration = ISODurationRegex.exec(amount);
|
|
if (!duration) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
ISODurationCache[amount] = duration;
|
|
} else {
|
|
duration = ISODurationCache[amount];
|
|
}
|
|
// ensure ms has a length of 3
|
|
if (duration[8] && duration[8].length !== 3) {
|
|
duration[8] = zeropad(duration[8], 3, true).substring(0, 3);
|
|
}
|
|
// add or subtract component by component, from ms to year
|
|
for (var d = duration.length - 1; d >= 1; d--) {
|
|
if (duration[d]) {
|
|
// convert weeks to days
|
|
if (d === 3) {
|
|
m = unitMapping[unitMappingArray[4]];
|
|
date[m[2]](date[m[1]]() + duration[d] * sign * 7);
|
|
} else {
|
|
m = unitMapping[unitMappingArray[d]];
|
|
date[m[2]](date[m[1]]() + duration[d] * sign);
|
|
}
|
|
}
|
|
}
|
|
return date.toISOString();
|
|
} else {
|
|
if (TYPEWEIGHT(unit) !== TYPEWEIGHT_STRING) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
if (TYPEWEIGHT(amount) !== TYPEWEIGHT_NUMBER) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_FUNCTION_ARGUMENT_TYPE_MISMATCH);
|
|
return null;
|
|
}
|
|
m = unitMapping[unit.toLowerCase()]; // we're sure unit is a string here
|
|
if (m === 'undefined') {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
} else if (m[0] === 'w') {
|
|
m = unitMapping.d;
|
|
date[m[2]](date[m[1]]() + amount * 7 * sign);
|
|
} else {
|
|
date[m[2]](date[m[1]]() + amount * sign);
|
|
}
|
|
return date.toISOString();
|
|
}
|
|
} catch (err) {
|
|
WARN(func, INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return date passed with added amount of time units
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_ADD (value, amount, unit) {
|
|
'use strict';
|
|
return DATE_CALC(value, amount, unit, 'DATE_ADD');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return date passed with subtracted amount of time units
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_SUBTRACT (value, amount, unit) {
|
|
'use strict';
|
|
return DATE_CALC(value, amount, unit, 'DATE_SUBTRACT');
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return date difference in given unit, optionally with fractions
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_DIFF (value1, value2, unit, asFloat) {
|
|
'use strict';
|
|
|
|
var date1 = MAKE_DATE([ value1 ], 'DATE_DIFF');
|
|
var date2 = MAKE_DATE([ value2 ], 'DATE_DIFF');
|
|
// Don't return any number if either or both dates are NaN.
|
|
if (date1 === null || date2 === null) {
|
|
// warning issued by MAKE_DATE() already (duplicate warnings in other date function calls???)
|
|
return null;
|
|
}
|
|
|
|
asFloat = (asFloat === undefined) ? false : asFloat;
|
|
if (date1 === date2) {
|
|
return 0;
|
|
}
|
|
|
|
try {
|
|
var divisor = msPerUnit[unit.toLowerCase()];
|
|
if (divisor === undefined) {
|
|
WARN('DATE_DIFF', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
|
|
// simple calculation if not month or year
|
|
if (divisor > 0) {
|
|
return (asFloat) ? ((date2 - date1) / divisor) : (~~((date2 - date1) / divisor));
|
|
}
|
|
|
|
var year1 = date1.getUTCFullYear();
|
|
var month1 = date1.getUTCMonth();
|
|
var year2 = date2.getUTCFullYear();
|
|
var month2 = date2.getUTCMonth();
|
|
|
|
// ms in given month, leap year compensated if February and leap year
|
|
var month1ms = msPerMonth[month1] + ((month1 === 1 && AQL_DATE_LEAPYEAR(date1.getTime())) ? msPerUnit.d : 0);
|
|
// ms since beginning of month
|
|
var month1msOffset = date1 - Date.UTC(year1, month1);
|
|
var month2ms = msPerMonth[month2] + ((month2 === 1 && AQL_DATE_LEAPYEAR(date2.getTime())) ? msPerUnit.d : 0);
|
|
var month2msOffset = date2 - Date.UTC(year2, month2);
|
|
|
|
// Diff between YYYY-MM parts only.
|
|
var diff = (year2 * 12 + month2) - (year1 * 12 + month1);
|
|
|
|
// Add diff between month offsets relative to the mean of ms in both months
|
|
diff += ((month2msOffset - month1msOffset) / ((month1ms + month2ms) / 2));
|
|
|
|
// return 1/12th of month if unit is year
|
|
if (asFloat) {
|
|
return divisor ? diff / 12 : diff;
|
|
} else {
|
|
// round towards zero, regardless of sign
|
|
return divisor ? ~~(diff / 12) : ~~diff;
|
|
}
|
|
} catch (err) {
|
|
WARN('DATE_DIFF', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief compare two partial dates, using a substring of the dates
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_DATE_COMPARE (value1, value2, unitRangeStart, unitRangeEnd) {
|
|
try {
|
|
// TODO: Should we handle leap years, so leapling birthdays occur every year?
|
|
// It may result in unexpected behavior if it's used for something else but
|
|
// birthday checking however. Probably best to leave compensation up to user query.
|
|
var date1 = MAKE_DATE([ value1 ], 'DATE_COMPARE');
|
|
var date2 = MAKE_DATE([ value2 ], 'DATE_COMPARE');
|
|
if (TYPEWEIGHT(date1) === TYPEWEIGHT_NULL || TYPEWEIGHT(date2) === TYPEWEIGHT_NULL) {
|
|
return null;
|
|
}
|
|
if (unitRangeEnd === undefined) {
|
|
unitRangeEnd = unitRangeStart;
|
|
}
|
|
var start = unitStrRanges[unitRangeStart][0];
|
|
var end = unitStrRanges[unitRangeEnd][1];
|
|
if (start === undefined || end === undefined) {
|
|
WARN('DATE_COMPARE', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
var yr1 = date1.getUTCFullYear();
|
|
if ((yr1 < 0 || yr1 > 9999) && start !== 0) {
|
|
start += 3;
|
|
}
|
|
var yr2 = date2.getUTCFullYear();
|
|
if (yr2 < 0 || yr2 > 9999) {
|
|
end += 3;
|
|
}
|
|
var substr1 = date1.toISOString().slice(start, end);
|
|
var substr2 = date2.toISOString().slice(start, end);
|
|
// if unitRangeEnd > unitRangeStart, substrings will be empty
|
|
if (!substr1 || !substr2) {
|
|
WARN('DATE_COMPARE', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
return substr1 === substr2;
|
|
} catch (err) {
|
|
WARN('DATE_COMPARE', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief return at most <limit> documents near a certain point
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
function AQL_PREGEL_RESULT (executionNr) {
|
|
'use strict';
|
|
|
|
if (isCoordinator) {
|
|
return INTERNAL.db._pregelAqlResult(executionNr);
|
|
} else {
|
|
THROW('PREGEL_RESULT', INTERNAL.errors.ERROR_CLUSTER_ONLY_ON_COORDINATOR);
|
|
}
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
// / @brief format a date (numerical values only)
|
|
// //////////////////////////////////////////////////////////////////////////////
|
|
|
|
// special escape sequence first, rest ordered by length
|
|
var dateMapRegExp = [
|
|
'%&', '%yyyyyy', '%yyyy', '%mmmm', '%wwww', '%mmm', '%www', '%fff', '%xxx',
|
|
'%yy', '%mm', '%dd', '%hh', '%ii', '%ss', '%kk', '%t', '%z', '%w', '%y', '%m',
|
|
'%d', '%h', '%i', '%s', '%f', '%x', '%k', '%l', '%q', '%a', '%%', '%'
|
|
].join('|');
|
|
|
|
function AQL_DATE_FORMAT (value, format) {
|
|
'use strict';
|
|
try {
|
|
var date = MAKE_DATE([ value ], 'DATE_FORMAT');
|
|
var dateStr = date.toISOString();
|
|
var yr = date.getUTCFullYear();
|
|
var offset = yr < 0 || yr > 9999 ? 3 : 0;
|
|
var dateMap = {
|
|
'%t': function () { return date.getTime(); },
|
|
'%z': function () { return dateStr; },
|
|
'%w': function () { return AQL_DATE_DAYOFWEEK(dateStr); },
|
|
'%y': function () { return date.getUTCFullYear(); },
|
|
// there's no really sensible way to handle negative years, but better not drop the sign
|
|
'%yy': function () { return (yr < 0 ? '-' : '') + dateStr.slice(2 + offset, 4 + offset); },
|
|
// preserves full negative years (-000753 is not reduced to -753 or -0753)
|
|
'%yyyy': function () { return dateStr.slice(0, 4 + offset); },
|
|
// zero-pad 4 digit years to length of 6 and add "+" prefix, keep negative as-is
|
|
'%yyyyyy': function () {
|
|
return (yr >= 0 && yr <= 9999)
|
|
? '+' + zeropad(dateStr.slice(0, 4 + offset), 6)
|
|
: dateStr.slice(0, 7);
|
|
},
|
|
'%m': function () { return date.getUTCMonth() + 1; },
|
|
'%mm': function () { return dateStr.slice(5 + offset, 7 + offset); },
|
|
'%d': function () { return date.getUTCDate(); },
|
|
'%dd': function () { return dateStr.slice(8 + offset, 10 + offset); },
|
|
'%h': function () { return date.getUTCHours(); },
|
|
'%hh': function () { return dateStr.slice(11 + offset, 13 + offset); },
|
|
'%i': function () { return date.getUTCMinutes(); },
|
|
'%ii': function () { return dateStr.slice(14 + offset, 16 + offset); },
|
|
'%s': function () { return date.getUTCSeconds(); },
|
|
'%ss': function () { return dateStr.slice(17 + offset, 19 + offset); },
|
|
'%f': function () { return date.getUTCMilliseconds(); },
|
|
'%fff': function () { return dateStr.slice(20 + offset, 23 + offset); },
|
|
'%x': function () { return AQL_DATE_DAYOFYEAR(dateStr); },
|
|
'%xxx': function () { return zeropad(AQL_DATE_DAYOFYEAR(dateStr), 3); },
|
|
'%k': function () { return AQL_DATE_ISOWEEK(dateStr); },
|
|
'%kk': function () { return zeropad(AQL_DATE_ISOWEEK(dateStr), 2); },
|
|
'%l': function () { return +AQL_DATE_LEAPYEAR(dateStr); },
|
|
'%q': function () { return AQL_DATE_QUARTER(dateStr); },
|
|
'%a': function () { return AQL_DATE_DAYS_IN_MONTH(dateStr); },
|
|
'%mmm': function () { return monthNames[date.getUTCMonth()].substring(0, 3); },
|
|
'%mmmm': function () { return monthNames[date.getUTCMonth()]; },
|
|
'%www': function () { return weekdayNames[AQL_DATE_DAYOFWEEK(dateStr)].substring(0, 3); },
|
|
'%wwww': function () { return weekdayNames[AQL_DATE_DAYOFWEEK(dateStr)]; },
|
|
'%&': function () { return ''; }, // Allow for literal "m" after "%m" ("%mm" -> %m%&m)
|
|
'%%': function () { return '%'; }, // Allow for literal "%y" using "%%y"
|
|
'%': function () { return ''; }
|
|
};
|
|
var exp = new RegExp(dateMapRegExp, 'gi');
|
|
format = format.replace(exp, function (match) {
|
|
return dateMap[match.toLowerCase()]();
|
|
});
|
|
return format;
|
|
} catch (err) {
|
|
WARN('DATE_FORMAT', INTERNAL.errors.ERROR_QUERY_INVALID_DATE_VALUE);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
exports.FCALL_USER = FCALL_USER;
|
|
exports.KEYS = KEYS;
|
|
exports.GET_INDEX = GET_INDEX;
|
|
exports.DOCUMENT_MEMBER = DOCUMENT_MEMBER;
|
|
exports.GET_DOCUMENTS = GET_DOCUMENTS;
|
|
exports.TERNARY_OPERATOR = TERNARY_OPERATOR;
|
|
exports.LOGICAL_AND = LOGICAL_AND;
|
|
exports.LOGICAL_OR = LOGICAL_OR;
|
|
exports.LOGICAL_NOT = LOGICAL_NOT;
|
|
exports.RELATIONAL_EQUAL = RELATIONAL_EQUAL;
|
|
exports.RELATIONAL_UNEQUAL = RELATIONAL_UNEQUAL;
|
|
exports.RELATIONAL_GREATER = RELATIONAL_GREATER;
|
|
exports.RELATIONAL_GREATEREQUAL = RELATIONAL_GREATEREQUAL;
|
|
exports.RELATIONAL_LESS = RELATIONAL_LESS;
|
|
exports.RELATIONAL_LESSEQUAL = RELATIONAL_LESSEQUAL;
|
|
exports.RELATIONAL_ARRAY_IN = RELATIONAL_ARRAY_IN;
|
|
exports.RELATIONAL_ARRAY_NOT_IN = RELATIONAL_ARRAY_NOT_IN;
|
|
exports.RELATIONAL_ARRAY_EQUAL = RELATIONAL_ARRAY_EQUAL;
|
|
exports.RELATIONAL_ARRAY_UNEQUAL = RELATIONAL_ARRAY_UNEQUAL;
|
|
exports.RELATIONAL_ARRAY_GREATER = RELATIONAL_ARRAY_GREATER;
|
|
exports.RELATIONAL_ARRAY_GREATEREQUAL = RELATIONAL_ARRAY_GREATEREQUAL;
|
|
exports.RELATIONAL_ARRAY_LESS = RELATIONAL_ARRAY_LESS;
|
|
exports.RELATIONAL_ARRAY_LESSEQUAL = RELATIONAL_ARRAY_LESSEQUAL;
|
|
exports.RELATIONAL_CMP = RELATIONAL_CMP;
|
|
exports.RELATIONAL_IN = RELATIONAL_IN;
|
|
exports.RELATIONAL_NOT_IN = RELATIONAL_NOT_IN;
|
|
exports.UNARY_PLUS = UNARY_PLUS;
|
|
exports.UNARY_MINUS = UNARY_MINUS;
|
|
exports.ARITHMETIC_PLUS = ARITHMETIC_PLUS;
|
|
exports.ARITHMETIC_MINUS = ARITHMETIC_MINUS;
|
|
exports.ARITHMETIC_TIMES = ARITHMETIC_TIMES;
|
|
exports.ARITHMETIC_DIVIDE = ARITHMETIC_DIVIDE;
|
|
exports.ARITHMETIC_MODULUS = ARITHMETIC_MODULUS;
|
|
|
|
exports.AQL_DOCUMENT = AQL_DOCUMENT;
|
|
exports.AQL_COLLECTIONS = AQL_COLLECTIONS;
|
|
exports.AQL_COLLECTION_COUNT = AQL_COLLECTION_COUNT;
|
|
exports.AQL_CONCAT = AQL_CONCAT;
|
|
exports.AQL_CONCAT_SEPARATOR = AQL_CONCAT_SEPARATOR;
|
|
exports.AQL_CHAR_LENGTH = AQL_CHAR_LENGTH;
|
|
exports.AQL_LOWER = AQL_LOWER;
|
|
exports.AQL_UPPER = AQL_UPPER;
|
|
exports.AQL_SUBSTRING = AQL_SUBSTRING;
|
|
exports.AQL_CONTAINS = AQL_CONTAINS;
|
|
exports.AQL_LIKE = AQL_LIKE;
|
|
exports.AQL_REGEX_TEST = AQL_REGEX_TEST;
|
|
exports.AQL_REGEX_REPLACE = AQL_REGEX_REPLACE;
|
|
exports.AQL_LEFT = AQL_LEFT;
|
|
exports.AQL_RIGHT = AQL_RIGHT;
|
|
exports.AQL_TRIM = AQL_TRIM;
|
|
exports.AQL_LTRIM = AQL_LTRIM;
|
|
exports.AQL_RTRIM = AQL_RTRIM;
|
|
exports.AQL_SPLIT = AQL_SPLIT;
|
|
exports.AQL_SUBSTITUTE = AQL_SUBSTITUTE;
|
|
exports.AQL_MD5 = AQL_MD5;
|
|
exports.AQL_SHA1 = AQL_SHA1;
|
|
exports.AQL_SHA512 = AQL_SHA512;
|
|
exports.AQL_HASH = AQL_HASH;
|
|
exports.AQL_TYPENAME = AQL_TYPENAME;
|
|
exports.AQL_RANDOM_TOKEN = AQL_RANDOM_TOKEN;
|
|
exports.AQL_FIND_FIRST = AQL_FIND_FIRST;
|
|
exports.AQL_FIND_LAST = AQL_FIND_LAST;
|
|
exports.AQL_TO_BOOL = AQL_TO_BOOL;
|
|
exports.AQL_TO_NUMBER = AQL_TO_NUMBER;
|
|
exports.AQL_TO_STRING = AQL_TO_STRING;
|
|
exports.AQL_TO_ARRAY = AQL_TO_ARRAY;
|
|
exports.AQL_ARRAYIZE = AQL_ARRAYIZE;
|
|
exports.AQL_TO_LIST = AQL_TO_ARRAY; // alias
|
|
exports.AQL_IS_NULL = AQL_IS_NULL;
|
|
exports.AQL_IS_BOOL = AQL_IS_BOOL;
|
|
exports.AQL_IS_NUMBER = AQL_IS_NUMBER;
|
|
exports.AQL_IS_STRING = AQL_IS_STRING;
|
|
exports.AQL_IS_ARRAY = AQL_IS_ARRAY;
|
|
exports.AQL_IS_LIST = AQL_IS_ARRAY; // alias
|
|
exports.AQL_IS_OBJECT = AQL_IS_OBJECT;
|
|
exports.AQL_IS_DOCUMENT = AQL_IS_OBJECT; // alias
|
|
exports.AQL_IS_DATESTRING = AQL_IS_DATESTRING;
|
|
exports.AQL_FLOOR = AQL_FLOOR;
|
|
exports.AQL_CEIL = AQL_CEIL;
|
|
exports.AQL_ROUND = AQL_ROUND;
|
|
exports.AQL_ABS = AQL_ABS;
|
|
exports.AQL_RAND = AQL_RAND;
|
|
exports.AQL_SQRT = AQL_SQRT;
|
|
exports.AQL_POW = AQL_POW;
|
|
exports.AQL_LOG = AQL_LOG;
|
|
exports.AQL_LOG2 = AQL_LOG2;
|
|
exports.AQL_LOG10 = AQL_LOG10;
|
|
exports.AQL_EXP = AQL_EXP;
|
|
exports.AQL_EXP2 = AQL_EXP2;
|
|
exports.AQL_SIN = AQL_SIN;
|
|
exports.AQL_COS = AQL_COS;
|
|
exports.AQL_TAN = AQL_TAN;
|
|
exports.AQL_ASIN = AQL_ASIN;
|
|
exports.AQL_ACOS = AQL_ACOS;
|
|
exports.AQL_ATAN = AQL_ATAN;
|
|
exports.AQL_ATAN2 = AQL_ATAN2;
|
|
exports.AQL_RADIANS = AQL_RADIANS;
|
|
exports.AQL_DEGREES = AQL_DEGREES;
|
|
exports.AQL_PI = AQL_PI;
|
|
exports.AQL_LENGTH = AQL_LENGTH;
|
|
exports.AQL_FIRST = AQL_FIRST;
|
|
exports.AQL_LAST = AQL_LAST;
|
|
exports.AQL_POSITION = AQL_POSITION;
|
|
exports.AQL_NTH = AQL_NTH;
|
|
exports.AQL_REVERSE = AQL_REVERSE;
|
|
exports.AQL_RANGE = AQL_RANGE;
|
|
exports.AQL_UNIQUE = AQL_UNIQUE;
|
|
exports.AQL_SORTED_UNIQUE = AQL_SORTED_UNIQUE;
|
|
exports.AQL_UNION = AQL_UNION;
|
|
exports.AQL_UNION_DISTINCT = AQL_UNION_DISTINCT;
|
|
exports.AQL_CALL = AQL_CALL;
|
|
exports.AQL_APPLY = AQL_APPLY;
|
|
exports.AQL_REMOVE_VALUE = AQL_REMOVE_VALUE;
|
|
exports.AQL_REMOVE_VALUES = AQL_REMOVE_VALUES;
|
|
exports.AQL_REMOVE_NTH = AQL_REMOVE_NTH;
|
|
exports.AQL_PUSH = AQL_PUSH;
|
|
exports.AQL_APPEND = AQL_APPEND;
|
|
exports.AQL_POP = AQL_POP;
|
|
exports.AQL_SHIFT = AQL_SHIFT;
|
|
exports.AQL_UNSHIFT = AQL_UNSHIFT;
|
|
exports.AQL_SLICE = AQL_SLICE;
|
|
exports.AQL_MINUS = AQL_MINUS;
|
|
exports.AQL_INTERSECTION = AQL_INTERSECTION;
|
|
exports.AQL_OUTERSECTION = AQL_OUTERSECTION;
|
|
exports.AQL_FLATTEN = AQL_FLATTEN;
|
|
exports.AQL_MAX = AQL_MAX;
|
|
exports.AQL_MIN = AQL_MIN;
|
|
exports.AQL_SUM = AQL_SUM;
|
|
exports.AQL_AVERAGE = AQL_AVERAGE;
|
|
exports.AQL_MEDIAN = AQL_MEDIAN;
|
|
exports.AQL_PERCENTILE = AQL_PERCENTILE;
|
|
exports.AQL_VARIANCE_SAMPLE = AQL_VARIANCE_SAMPLE;
|
|
exports.AQL_VARIANCE_POPULATION = AQL_VARIANCE_POPULATION;
|
|
exports.AQL_STDDEV_SAMPLE = AQL_STDDEV_SAMPLE;
|
|
exports.AQL_STDDEV_POPULATION = AQL_STDDEV_POPULATION;
|
|
exports.AQL_NEAR = AQL_NEAR;
|
|
exports.AQL_WITHIN = AQL_WITHIN;
|
|
exports.AQL_WITHIN_RECTANGLE = AQL_WITHIN_RECTANGLE;
|
|
exports.AQL_DISTANCE = AQL_DISTANCE;
|
|
exports.AQL_IS_IN_POLYGON = AQL_IS_IN_POLYGON;
|
|
exports.AQL_FULLTEXT = AQL_FULLTEXT;
|
|
exports.AQL_NOT_NULL = AQL_NOT_NULL;
|
|
exports.AQL_FIRST_LIST = AQL_FIRST_LIST;
|
|
exports.AQL_FIRST_DOCUMENT = AQL_FIRST_DOCUMENT;
|
|
exports.AQL_PARSE_IDENTIFIER = AQL_PARSE_IDENTIFIER;
|
|
exports.AQL_IS_SAME_COLLECTION = AQL_IS_SAME_COLLECTION;
|
|
exports.AQL_HAS = AQL_HAS;
|
|
exports.AQL_ATTRIBUTES = AQL_ATTRIBUTES;
|
|
exports.AQL_VALUES = AQL_VALUES;
|
|
exports.AQL_ZIP = AQL_ZIP;
|
|
exports.AQL_JSON_STRINGIFY = AQL_JSON_STRINGIFY;
|
|
exports.AQL_JSON_PARSE = AQL_JSON_PARSE;
|
|
exports.AQL_UNSET = AQL_UNSET;
|
|
exports.AQL_UNSET_RECURSIVE = AQL_UNSET_RECURSIVE;
|
|
exports.AQL_KEEP = AQL_KEEP;
|
|
exports.AQL_MERGE = AQL_MERGE;
|
|
exports.AQL_MERGE_RECURSIVE = AQL_MERGE_RECURSIVE;
|
|
exports.AQL_TRANSLATE = AQL_TRANSLATE;
|
|
exports.AQL_MATCHES = AQL_MATCHES;
|
|
exports.AQL_PASSTHRU = AQL_PASSTHRU;
|
|
exports.AQL_V8 = AQL_PASSTHRU;
|
|
exports.AQL_TEST_INTERNAL = AQL_TEST_INTERNAL;
|
|
exports.AQL_SLEEP = AQL_SLEEP;
|
|
exports.AQL_CURRENT_DATABASE = AQL_CURRENT_DATABASE;
|
|
exports.AQL_CURRENT_USER = AQL_CURRENT_USER;
|
|
exports.AQL_FAIL = AQL_FAIL;
|
|
exports.AQL_DATE_NOW = AQL_DATE_NOW;
|
|
exports.AQL_DATE_TIMESTAMP = AQL_DATE_TIMESTAMP;
|
|
exports.AQL_DATE_ISO8601 = AQL_DATE_ISO8601;
|
|
exports.AQL_DATE_DAYOFWEEK = AQL_DATE_DAYOFWEEK;
|
|
exports.AQL_DATE_YEAR = AQL_DATE_YEAR;
|
|
exports.AQL_DATE_MONTH = AQL_DATE_MONTH;
|
|
exports.AQL_DATE_DAY = AQL_DATE_DAY;
|
|
exports.AQL_DATE_HOUR = AQL_DATE_HOUR;
|
|
exports.AQL_DATE_MINUTE = AQL_DATE_MINUTE;
|
|
exports.AQL_DATE_SECOND = AQL_DATE_SECOND;
|
|
exports.AQL_DATE_MILLISECOND = AQL_DATE_MILLISECOND;
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exports.AQL_DATE_DAYOFYEAR = AQL_DATE_DAYOFYEAR;
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exports.AQL_DATE_ISOWEEK = AQL_DATE_ISOWEEK;
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exports.AQL_DATE_LEAPYEAR = AQL_DATE_LEAPYEAR;
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exports.AQL_DATE_QUARTER = AQL_DATE_QUARTER;
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exports.AQL_DATE_DAYS_IN_MONTH = AQL_DATE_DAYS_IN_MONTH;
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exports.AQL_DATE_ADD = AQL_DATE_ADD;
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exports.AQL_DATE_SUBTRACT = AQL_DATE_SUBTRACT;
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exports.AQL_DATE_DIFF = AQL_DATE_DIFF;
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exports.AQL_DATE_COMPARE = AQL_DATE_COMPARE;
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exports.AQL_DATE_FORMAT = AQL_DATE_FORMAT;
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exports.AQL_PREGEL_RESULT = AQL_PREGEL_RESULT;
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exports.reload = reloadUserFunctions;
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exports.clearCaches = clearCaches;
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exports.lookupFunction = GET_USERFUNCTION;
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exports.throwFromFunction = THROW;
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exports.fixValue = FIX_VALUE;
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// initialize the query engine
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exports.clearCaches();
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