mirror of https://gitee.com/bigwinds/arangodb
273 lines
9.3 KiB
JavaScript
273 lines
9.3 KiB
JavaScript
////////////////////////////////////////////////////////////////////////////////
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/// @brief Avocado Simple Query Language
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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 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 Dr. Frank Celler
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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 SQ = require("simple-query-basics");
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// -----------------------------------------------------------------------------
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// --SECTION-- SIMPLE QUERY ALL
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- private functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup SimpleQuery
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief executes an all query
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////////////////////////////////////////////////////////////////////////////////
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SQ.SimpleQueryAll.prototype.execute = function () {
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var documents;
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if (this._execution == null) {
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var data = {
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collection : this._collection._id
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}
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if (this._limit != null) {
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data.limit = this._limit;
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}
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if (this._skip != null) {
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data.skip = this._skip;
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}
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var requestResult = this._collection._database._connection.PUT("/_api/simple/all", JSON.stringify(data));
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TRI_CheckRequestResult(requestResult);
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this._execution = new AvocadoQueryCursor(this._collection._database, requestResult);
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if (requestResult.hasOwnProperty("count")) {
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this._countQuery = requestResult.count;
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- QUERY BY EXAMPLE
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- private functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup SimpleQuery
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief executes a query-by-example
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////////////////////////////////////////////////////////////////////////////////
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SQ.SimpleQueryByExample.prototype.execute = function () {
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var documents;
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if (this._execution == null) {
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if (this._skip == null || this._skip <= 0) {
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this._skip = 0;
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}
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var parameters = [ ];
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// the actual example is passed in the first argument
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for (var i in this._example[0]) {
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if (this._example[0].hasOwnProperty(i)) {
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// attribute name
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parameters.push(i);
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// attribute value
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parameters.push(this._example[0][i]);
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}
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}
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var documents = this._collection.BY_EXAMPLE.apply(this._collection, parameters);
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this._execution = new SQ.GeneralArrayCursor(documents, this._skip, this._limit);
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this._countQuery = documents.length;
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this._countTotal = documents.length;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- SIMPLE QUERY NEAR
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- private functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup SimpleQuery
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief executes an all query
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////////////////////////////////////////////////////////////////////////////////
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SQ.SimpleQueryNear.prototype.execute = function () {
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var documents;
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if (this._execution == null) {
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var data = {
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collection : this._collection._id,
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latitude : this._latitude,
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longitude : this._longitude
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}
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if (this._limit != null) {
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data.limit = this._limit;
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}
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if (this._skip != null) {
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data.skip = this._skip;
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}
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if (this._index != null) {
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data.geo = this._index;
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}
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if (this._distance != null) {
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data.distance = this._distance;
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}
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var requestResult = this._collection._database._connection.PUT("/_api/simple/near", JSON.stringify(data));
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TRI_CheckRequestResult(requestResult);
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this._execution = new AvocadoQueryCursor(this._collection._database, requestResult);
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if (requestResult.hasOwnProperty("count")) {
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this._countQuery = requestResult.count;
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- SIMPLE QUERY WITHIN
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- private functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup SimpleQuery
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief executes an all query
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////////////////////////////////////////////////////////////////////////////////
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SQ.SimpleQueryWithin.prototype.execute = function () {
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var documents;
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if (this._execution == null) {
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var data = {
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collection : this._collection._id,
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latitude : this._latitude,
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longitude : this._longitude,
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radius : this._radius
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}
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if (this._limit != null) {
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data.limit = this._limit;
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}
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if (this._skip != null) {
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data.skip = this._skip;
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}
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if (this._index != null) {
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data.geo = this._index;
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}
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if (this._distance != null) {
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data.distance = this._distance;
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}
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var requestResult = this._collection._database._connection.PUT("/_api/simple/within", JSON.stringify(data));
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TRI_CheckRequestResult(requestResult);
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this._execution = new AvocadoQueryCursor(this._collection._database, requestResult);
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if (requestResult.hasOwnProperty("count")) {
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this._countQuery = requestResult.count;
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- MODULE EXPORTS
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup SimpleQuery
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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exports.SimpleQueryAll = SQ.SimpleQueryAll;
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exports.SimpleQueryByExample = SQ.SimpleQueryByExample;
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exports.SimpleQueryGeo = SQ.SimpleQueryGeo;
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exports.SimpleQueryNear = SQ.SimpleQueryNear;
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exports.SimpleQueryWithin = SQ.SimpleQueryWithin;
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// @addtogroup\\|// --SECTION--\\|/// @page\\|/// @}\\)"
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// End:
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