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waterline-postgresql

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'use strict'; var makeKnex = require('../../util/make-knex'); var Promise = require('../../promise'); var helpers = require('../../helpers'); var inherits = require('inherits'); var EventEmitter = require('events').EventEmitter; function Transaction_WebSQL(client, container) { helpers.warn('WebSQL transactions will run queries, but do not commit or rollback'); var trx = this; this._promise = Promise['try'](function () { container(makeKnex(makeClient(trx, client))); }); } inherits(Transaction_WebSQL, EventEmitter); function makeClient(trx, client) { var trxClient = Object.create(client.constructor.prototype); trxClient.config = client.config; trxClient.connectionSettings = client.connectionSettings; trxClient.transacting = true; trxClient.on('query', function (arg) { trx.emit('query', arg); client.emit('query', arg); }); trxClient.commit = function () {}; trxClient.rollback = function () {}; return trxClient; } var promiseInterface = ['then', 'bind', 'catch', 'finally', 'asCallback', 'spread', 'map', 'reduce', 'tap', 'thenReturn', 'return', 'yield', 'ensure', 'nodeify', 'exec']; // Creates a method which "coerces" to a promise, by calling a // "then" method on the current `Target` promiseInterface.forEach(function (method) { Transaction_WebSQL.prototype[method] = function () { return this._promise = this._promise[method].apply(this._promise, arguments); }; }); module.exports = Transaction_WebSQL;