node-postgres/packages/pg-native/test/array-mode.js

var Client = require("../");
var assert = require("assert");

describe("client with arrayMode", function () {
  it("returns result as array", function (done) {
    var client = new Client({ arrayMode: true });
    client.connectSync();
    client.querySync("CREATE TEMP TABLE blah(name TEXT)");
    client.querySync("INSERT INTO blah (name) VALUES ($1)", ["brian"]);
    client.querySync("INSERT INTO blah (name) VALUES ($1)", ["aaron"]);
    var rows = client.querySync("SELECT * FROM blah");
    assert.equal(rows.length, 2);
    var row = rows[0];
    assert.equal(row.length, 1);
    assert.equal(row[0], "brian");
    assert.equal(rows[1][0], "aaron");

    client.query("SELECT 'brian', null", function (err, res) {
      assert.ifError(err);
      assert.strictEqual(res[0][0], "brian");
      assert.strictEqual(res[0][1], null);
      client.end(done);
    });
  });
});