alasql/test/test282.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 282 ADD COLUMN in LOCALSTORAGE', function() {

  it('1. CREATE DATABASE',function(done){
    alasql('CREATE DATABASE test281;USE test281');
    done();
  });


  it('2. UNIQUE constraint',function(done){
      localStorage.clear();
      alasql('CREATE localStorage DATABASE IF NOT EXISTS register');
      alasql('ATTACH localStorage DATABASE register AS myregister');
      alasql('USE myregister;');
      alasql("CREATE TABLE IF NOT EXISTS transactions(transid STRING, payee STRING, amount DECIMAL)");
      for(var x=0; x<=3; x++){
       alasql("INSERT INTO transactions VALUES (?,?,?)", ["a","b","c"]);
      }
      alasql("ALTER TABLE transactions ADD COLUMN notes STRING;");
      alasql("INSERT INTO transactions VALUES (?,?,?,?)", ["a","b","c","some notes"]);
      var res = alasql('SHOW COLUMNS FROM transactions;');
      alert(JSON.stringify(res));
      var res = alasql("SELECT * FROM transactions");
      alert(res[4].notes);
      localStorage.clear();    done();
  });


  it('99. DROP DATABASE',function(done){
    alasql('DROP DATABASE test281');
    done();
  });
});