alasql/test/test268.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('..');
} else {
	__dirname = '.';
};

if(typeof exports == 'object') {
  var DOMStorage = require("dom-storage")
  global.localStorage = new DOMStorage("./restest267.json", { strict: false, ws: '' });
};



describe('Test 268 INNER JOIN stress test', function() {

  it('1. Create database', function(done) {
    alasql('CREATE DATABASE test268; USE test268');
    done();    
  });

    var data1 = [{a:1,b:10},{a:2,b:20}];
    var data2 = [{b:10,c:100},{b:20,c:200}];


  it('2. INNER JOIN on Array', function(done) {
    var res = alasql('SELECT t1.*,t2.* FROM ? t1 INNER JOIN ? t2 USING b',[data1,data2]);
    assert.deepEqual(res,
      [ { a: 1, b: 10, c: 100 }, { a: 2, b: 20, c: 200 } ]
    );
    done();    
  });

  it('3. INNER JOIN on Tables', function(done) {
    alasql('CREATE TABLE table1(a INT, b INT);');
    alasql('SELECT * INTO table1 FROM ?', [data1]);
    alasql('CREATE TABLE table2(b INT, c INT);');
    alasql('INSERT INTO table2 SELECT * FROM ?',[data2]);
    var res = alasql('SELECT t1.*,t2.* FROM table1 t1 INNER JOIN table2 t2 USING b',[data1,data2]);
    assert.deepEqual(res,
      [ { a: 1, b: 10, c: 100 }, { a: 2, b: 20, c: 200 } ]
    );
    done();    
  });

  var t1 = [];
  for(var i=0;i<5000;i++) {
    t1.push({a:i,b:i,bb:i});
  }

var t1000 = 100;
var t50000 = 200;
  var t2 = [];
  for(var i=1;i<t50000;i++) {
    t2.push({b:i,bb:i%2,c:i*100});
  }
 /* 
  for(var i=1;i<t50000;i++) {
    t2.push({b:(i*2)%t1000,bb:i%3,c:i*100});
  }
  for(var i=1;i<t50000;i++) {
    t2.push({b:(i*i*i)%t1000,bb:i%4,c:i*100});
  }
  */
  //console.log(t2);


  it('4. INNER JOIN on Big Array', function(done) {

    var res = alasql('SELECT t1.*,t2.* FROM ? t1 INNER JOIN ? t2 ON t1.b = t2.b',[t1,t2]);
    console.log('INNER =',res.length);
    var res = alasql('SELECT t1.*,t2.* FROM ? t1 LEFT JOIN ? t2 ON t1.b = t2.b',[t1,t2]);
    console.log('LEFT =',res.length);
    var res = alasql('SELECT t1.*,t2.* FROM ? t1 RIGHT JOIN ? t2 ON t1.b = t2.b',[t1,t2]);
    console.log('RIGHT =',res.length);
    var res = alasql('SELECT t1.*,t2.* FROM ? t1 OUTER JOIN ? t2 ON t1.b = t2.b',[t1,t2]);
    console.log('OUTER =',res.length);
    // assert.deepEqual(res.,
    //   [ { a: 1, b: 10, c: 100 }, { a: 2, b: 20, c: 200 } ]
    // );
    done();    
  });


  it('99. Drop phase', function(done) {
    alasql('DROP DATABASE test268');
    done();    
  });

});