An easy way to connect to multiple mysql databases in one shot.
To use in your project, just execute
npm install mysql-all --save
This will download mysql-all as well as add it as a dependency to your package.json.
Then require mysql-all in your code:
var mysqlAll = require('mysql-all'); //pass in your connections object and return option var connections = mysqlAll(connections, option);
For our example usescases, we will use
- arrayConfigs as array of our connections
- objectConfigs as object who's members are our connections
var arrayConfigs = [ { host : 'localhost', user : 'me', password : 'secret', database : 'my_db1' }, { host : 'somehost', user : 'someone', password : 'secret', database : 'my_db2' }, { host : 'anotherhost', user : 'you', password : 'secret', database : 'my_db2' }, ]; var objectConfigs = { financedb:{ host : 'localhost', user : 'me', password : 'secret', database : 'my_db1' }, hrdb:{ host : 'anotherhost', user : 'you', password : 'secret', database : 'my_db2' } };
var connections = require('mysql-all')(arrayConfigs, 'array'); //output connections [conn1, conn2, conn3]
var connections = require('mysql-all')(arrayConfigs, 'object'); //outputs an object of connections with host+database name as keys: { localhostmy_db1: 'connection to localhost', somehostmy_db2: 'connection to somehost', anotherhostmy_db2: 'connection to anotherhost' }
var connections = require('mysql-all')(arrayConfigs); //outputs an object of connections with host+database name as keys: { localhostmy_db1: 'connection to localhost', somehostmy_db2: 'connection to somehost', anotherhostmy_db2: 'connection to anotherhost' } //NOTE: this yields same result as usecase 2
var connections = require('mysql-all')(objectConfigs, 'array'); //output connections [conn1, conn2] //NOTE: this yields similar result as usecase 1
var connections = require('mysql-all')(objectConfigs, 'object'); //output connections { financedb: 'connection to finance db', hrdb: 'connection to hr db' } //NOTE: this yields similar result as usecase 3 //except that in this case the keys in the output object will be same as the // keys in the input connection object/json (objectConfigs) //object/JSON. //Also not that if 'object' was not specified i.e: require('mysql-all')(objectConfigs); // output will be same since mysql-all defaults to object when no return option is specified.
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Array.
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Object literals and
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JSON.
(The MIT License)
Copyright (c) 2016 Prince Obiechine Onyenike ([email protected])
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.