alasql/test/test276.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('..');
  var _ = require('lodash');
} else {
	__dirname = '.';
};


describe('Test 276 INFORMATION_SCHEMA', function() {

  it('1. Prepare databases', function(done) {
    alasql('CREATE DATABASE test276; USE test276');
    alasql('CREATE TABLE one (a INT, b NVARCHAR(10))');
    alasql('INSERT INTO one VALUES (1,"One"), (2,"Two"), (3,"Three"), (4,"Four")');

    alasql('CREATE VIEW view_one AS SELECT * FROM one WHERE a > 2');
    var res = alasql('SELECT * FROM INFORMATION_SCHEMA.[VIEWS] WHERE TABLE_CATALOG = "test276"');
    assert.deepEqual(res,
      [ { TABLE_CATALOG: 'test276', TABLE_NAME: 'view_one' } ]
    );
//    console.log(res);
    done();
  });

  it('2. INFORMATION_SCHEMA', function(done) {
    assert(alasql.databases.test276.tables.view_one);
    alasql.options.modifier = 'RECORDSET';
    alasql('  IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS \
               WHERE TABLE_NAME = "view_one") DROP VIEW view_one');
//    console.log(Object.keys(alasql.databases.test276.tables).length);
    assert(!alasql.databases.test276.tables.view_one);
    done();    
  });

  it('99. Drop databases', function(done) {
    alasql.options.modifier = undefined;
    
    alasql('DROP DATABASE test276');
    done();
  });


});