alasql/test/test126.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 126 ALTER TABLE RENAME COLUMN', function() {

	it('1. Rename column', function(done){
		alasql('create database test126');
		alasql('use test126');
		alasql('create table one (a int, b int, c string)');
		alasql('insert into one values (1,1,1), (2,2,2)');
		alasql('alter table one rename column b to bbb');
		assert(!alasql.tables.one.xcolumns.b);
		assert(!!alasql.tables.one.xcolumns.bbb);

		var res = alasql('select * from one');
		assert.deepEqual(res,[{a:1,bbb:1, c:1}, {a:2,bbb:2, c:2}]);
		done();
	});

	it('2. Rename table', function(done){
		alasql('rename table one to two');
		assert(!alasql.tables.one);
		assert(!!alasql.tables.two);

		var res = alasql('select * from two');
		assert.deepEqual(res,[{a:1,bbb:1, c:1}, {a:2,bbb:2, c:2}]);
		done();
	});

	it('3. Drop column', function(done){
		alasql('alter table two drop column a');
		assert(!alasql.tables.two.xcolumns.a);

		var res = alasql('select * from two');
		assert.deepEqual(res,[{bbb:1, c:1}, {bbb:2, c:2}]);

		alasql('drop database test126');
		done();
	});

});