Postgres query building utility

Install

npm install --save git+ssh://[email protected]/lingua-service/pg-query.git

Setup

const pg      = require('pg-query');
const winston = require('winston');

const config = {
	host: 'localhost',
	port: 5432,
	database: 'db_name',
	user: 'username',
	password: 'secretpassword',
	maxClients: 10,
	idleTimeoutMillis: 30000,
};

const logger = new winston.Logger({
	transports: [
		new winston.transports.Console()
	]
});

pg.init(config, logger);

Use

const pg = require('pg-query');


// Raw query

pg.query('select * from some_table')
	.then((results) => {
		console.log(results);
	});


// Select query builder

const selectQuery = pg.select()
	.from('users')
	.where('name', '=', 'bob')
	.limit(20)
	.offset(10);

selectQuery.execute()
	.then((results) => {
		console.log(results);
	});


// Insert query builder

const insertQuery = pg.insert()
	.into('users')
	.values({
		name: 'bob',
		age: 23
	});

insertQuery.execute()
	.then((result) => {
		console.log(result);
	});


// Update query builder

const updateQuery = pg.update('users')
	.set('age', 24)
	.where('name', '=', 'bob');

updateQuery.execute()
	.then((result) => {
		console.log(result);
	});