node-postgres/script/create-test-tables.js

'use strict'
var args = require(__dirname + '/../test/cli')
var pg = require(__dirname + '/../lib')

var people = [
  {name: 'Aaron', age: 10},
  {name: 'Brian', age: 20},
  {name: 'Chris', age: 30},
  {name: 'David', age: 40},
  {name: 'Elvis', age: 50},
  {name: 'Frank', age: 60},
  {name: 'Grace', age: 70},
  {name: 'Haley', age: 80},
  {name: 'Irma', age: 90},
  {name: 'Jenny', age: 100},
  {name: 'Kevin', age: 110},
  {name: 'Larry', age: 120},
  {name: 'Michelle', age: 130},
  {name: 'Nancy', age: 140},
  {name: 'Olivia', age: 150},
  {name: 'Peter', age: 160},
  {name: 'Quinn', age: 170},
  {name: 'Ronda', age: 180},
  {name: 'Shelley', age: 190},
  {name: 'Tobias', age: 200},
  {name: 'Uma', age: 210},
  {name: 'Veena', age: 220},
  {name: 'Wanda', age: 230},
  {name: 'Xavier', age: 240},
  {name: 'Yoyo', age: 250},
  {name: 'Zanzabar', age: 260}
]

var con = new pg.Client({
  host: args.host,
  port: args.port,
  user: args.user,
  password: args.password,
  database: args.database
})

con.connect((err) => {
  if (err) {
    throw err
  }

  con.query(
    'DROP TABLE IF EXISTS person;'
    + ' CREATE TABLE person (id serial, name varchar(10), age integer)',
    (err) => {
      if (err) {
        throw err
      }

      console.log('Created table person')
      console.log('Filling it with people')

      con.query(
        'INSERT INTO person (name, age) VALUES'
        + people
          .map((person) => ` ('${person.name}', ${person.age})`)
          .join(','),
        (err, result) => {
          if (err) {
            throw err
          }

          console.log(`Inserted ${result.rowCount} people`)
          con.end()
        })
    })
})