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db mysql pool in nodejs
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"use strict"; | |
var mysqlClient = require('mysql') | |
, dbPool = mysqlClient.createPool(require('../config/database')) | |
, commonHelper = require('../library/commonHelper'); | |
function MyModel(params) { | |
this.tbl = params.tbl; | |
this.primary_key = params.primary_key; | |
this.primary_name = params.primary_name; | |
this.dbPool = dbPool; | |
} | |
module.exports = MyModel; | |
//primary key | |
MyModel.prototype.fromPK = function fromPK(pk, callback) { | |
//I think i can define var t = this here and access it in below function. but will i need to do this for every other functions i define? | |
this.dbPool.getConnection(function (err, connection) { | |
//I cannot access this here from main class. | |
var query = "SELECT * FROM " + this.tbl + " WHERE " + this.primary_key + " = " + connection.escape(pk); | |
connection.query(query, callback); | |
}); | |
}; | |
//primary name | |
MyModel.prototype.fromPN = function fromPN(pn, callback) { | |
this.dbPool.getConnection(function (err, connection) { | |
var query = "SELECT * FROM " + this.tbl + " WHERE " + this.primary_name + " = " + connection.escape(pn); | |
connection.query(query, callback); | |
}); | |
}; |
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