2018-10-27 01:10:46 +02:00

58 lines
1.4 KiB
JavaScript

'use strict'
/**
* Copyright (c) 2010-2017 Brian Carlson (brian.m.carlson@gmail.com)
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* README.md file in the root directory of this source tree.
*/
var util = require('util')
var Client = require('./client')
var defaults = require('./defaults')
var Connection = require('./connection')
var Pool = require('pg-pool')
const poolFactory = (Client) => {
var BoundPool = function (options) {
var config = Object.assign({ Client: Client }, options)
return new Pool(config)
}
util.inherits(BoundPool, Pool)
return BoundPool
}
var PG = function (clientConstructor) {
this.defaults = defaults
this.Client = clientConstructor
this.Query = this.Client.Query
this.Pool = poolFactory(this.Client)
this._pools = []
this.Connection = Connection
this.types = require('pg-types')
}
if (typeof process.env.NODE_PG_FORCE_NATIVE !== 'undefined') {
module.exports = new PG(require('./native'))
} else {
module.exports = new PG(Client)
// lazy require native module...the native module may not have installed
module.exports.__defineGetter__('native', function () {
delete module.exports.native
var native = null
try {
native = new PG(require('./native'))
} catch (err) {
if (err.code !== 'MODULE_NOT_FOUND') {
throw err
}
console.error(err.message)
}
module.exports.native = native
return native
})
}