alasql/test/test118.js

AlaSQL.js - JavaScript SQL database library for relational and graph data manipulation with support of localStorage, IndexedDB, and Excel

if(typeof exports === 'object') {
	var assert = require("assert");
	var alasql = require('..');
};

describe('Test 118 - ADD COLUMN/MODIFY COLUMN/DROP COLUMN', function() {
	it('ADD COLUMN', function(done){
		alasql('create database test118');
		alasql('use test118');
		
		alasql('create table one (a int)');
		alasql('insert into one values (1), (2), (3)');
		var res = alasql('select * from one order by a');
		assert.deepEqual(res, [{a:1},{a:2},{a:3}]);

		alasql('alter table one add column b int');
		alasql('insert into one values (4,40)');
		var res = alasql('select * from one where b = 40');
		assert.deepEqual(res, [{a:4,b:40}]);

		alasql('alter table one modify column b string');
		// Tests are not yet defined

		alasql('alter table one drop column b');
		var res = alasql('select * from one order by a');
		assert.deepEqual(res, [{a:1},{a:2},{a:3},{a:4}]);

		done();
	});

	it('Clear database', function(done){
		alasql('drop database test118');
		done();
	});

});