mirror of https://gitee.com/bigwinds/arangodb
91 lines
2.8 KiB
JavaScript
91 lines
2.8 KiB
JavaScript
/*jshint strict: false */
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/*global AQL_PARSE, AQL_EXPLAIN, AQL_EXECUTE */
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ArangoStatement
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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 Jan Steemann
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/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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module.isSystem = true;
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var ArangoStatement = require("@arangodb/arango-statement-common").ArangoStatement;
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var GeneralArrayCursor = require("@arangodb/simple-query-common").GeneralArrayCursor;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief parse a query and return the results
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////////////////////////////////////////////////////////////////////////////////
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ArangoStatement.prototype.parse = function () {
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var result = AQL_PARSE(this._query);
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return {
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bindVars : result.parameters,
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collections : result.collections,
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ast: result.ast
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};
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief explain a query and return the results
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////////////////////////////////////////////////////////////////////////////////
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ArangoStatement.prototype.explain = function (options) {
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var opts = this._options || { };
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if (typeof opts === 'object' && typeof options === 'object') {
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Object.keys(options).forEach(function(o) {
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// copy options
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opts[o] = options[o];
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});
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}
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return AQL_EXPLAIN(this._query, this._bindVars, opts);
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief execute the query
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///
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/// This will return a cursor with the query results in case of success.
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////////////////////////////////////////////////////////////////////////////////
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ArangoStatement.prototype.execute = function () {
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var opts = this._options || { };
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if (typeof opts === 'object') {
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opts._doCount = this._doCount;
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if (this._cache !== undefined) {
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opts.cache = this._cache;
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}
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}
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var result = AQL_EXECUTE(this._query, this._bindVars, opts);
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return new GeneralArrayCursor(result.json, 0, null, result);
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};
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exports.ArangoStatement = ArangoStatement;
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