alasql/test/test311.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 = '.';
};

describe('Test 311 Special SEARCHors', function() {

  it('0. Create database ',function(done){
    alasql('CREATE DATABASE test311;USE test311');
    done();
  });


  it('1. SEARCH DISTINCT, UNION ALL, and other selectors',function(done){
//    var res = alasql.parse('CREATE GRAPH #Andrey');
    var data = [{a:1,b:10},{a:2,b:20},{a:3,b:30},{a:4,b:40},{a:5,b:50},{a:5,b:50}];
    var res = alasql('SEARCH DISTINCT(/b) FROM ?',[data]);
    assert.deepEqual(res,[10,20,30,40,50]);
    var res = alasql('SEARCH UNION ALL(/a,/b) FROM ?',[data]);
    assert.deepEqual(res,[ 1, 2, 3, 4, 5, 5, 10, 20, 30, 40, 50, 50 ]);
    // Ala UNION
    var res = alasql('SEARCH DISTINCT(UNION ALL(/a,/b)) FROM ?',[data]);
    assert.deepEqual(res,[ 1, 2, 3, 4, 5, 10, 20, 30, 40, 50]);

    var res = alasql('SEARCH UNION(/a,/b) FROM ?',[data]);
    assert.deepEqual(res,[ 1, 2, 3, 4, 5, 10, 20, 30, 40, 50]);

//
/*
    var res = alasql('SEARCH INTERSECT(a,b)');
    var res = alasql('SEARCH EXCEPT(a,b)');
    var res = alasql('SEARCH CROSS JOIN(a,b,c)');
    var res = alasql('SEARCH MERGE(@a,@b)');
    var res = alasql('SEARCH DELETE(@a,@b)'); // properties
    var res = alasql('SEARCH REMOVE(@a,@b)'); // graphs
    var res = alasql('SEARCH RETURNS(a AS b, b+1 AS c)'); // graphs

// Post processors

    var res = alasql('SEARCH ORDER BY() '); // graphs

    var res = alasql('SEARCH EVEN()'); // graphs
    var res = alasql('SEARCH ODD()'); // graphs
    var res = alasql('SEARCH NTH(2)'); // graphs -??
    var res = alasql('SEARCH SLICE(2,2)'); // graphs -??

// selector ORDER BY (a,b,c)

    console.log(res);
*/
    done();    
  });


  it('99. Drop database ',function(done){
    alasql('DROP DATABASE test311');
    done();
  });

});