@aux4/db-postgres

JavaScript

Install

$ npm install @aux4/db-postgres

Execute Query

const Database = require("@aux4/db-postgres");
const db = new Database({
  host: "localhost",
  user: "postgres",
  password: "******",
  database: "template1"
});

(async () => {
  await db.open();
  const { data } = await db.execute("select * from table where id = :id", { id: 1 });
  console.log(JSON.stringify(data, null, 2));
  await db.close();
})();

Query Stream

const Database = require("@aux4/db-postgres");
const db = new Database({
  host: "localhost",
  user: "postgres",
  password: "******",
  database: "template1"
});

const stream = await db.stream("select * from table where id = :id", { id: 1 });

stream.on("data", row => {
console.log(JSON.stringify(row, null, 2));
});

stream.on("error", err => {
console.error(err.message);
});

stream.on("close", async () => {
await db.close();
});

Command Line

Install

$ npm install --global @aux4/db
$ npm install --global @aux4/db-postgres

Usage

Execute Query

$ db execute --host localhost --port 5432 --user postgres --database template1 --query "select * from table where id = :id" --id 1

Stream Query

$ db stream --host localhost --port 5432 --user postgres --database template1 --query "select * from table where id = :id" --id 1

Using @aux4/config

create config.yaml

config:
  dev:
    postgres:
      host: localhost
      port: 5432
      user: postgres
      password: "******"
      database: template1

$ db execute --configFile config.yaml --config dev/postgres --query "select * from table where id = :id" --id 1

See Also

• aux4 website / npm / GitHub
• @aux4/config npm / GitHub
• @aux4/db npm / GitHub