alasql/test/test253.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 253 Internal (SELECT) with GROUP BY', function() {

  it('1. Test',function(done) {


  	var data=[{a:3.5,b:{c:"label1"}},
  	   {a:0.5,b:{c:"label1"}},
  	   {a:6,b:{c:"label2"}}];

	var res = alasql('SELECT FIRST(b->c) as [b->c], sum(a)/(select sum(a) from ?) \
	   from ? group by b->c',[data,data]);

	assert.deepEqual(res,
	[ { 'b->c': 'label1',
	    'SUM(a) / SELECT SUM(a) FROM $0 AS default': 0.4 },
	  { 'b->c': 'label2',
	    'SUM(a) / SELECT SUM(a) FROM $0 AS default': 0.6 } ]
	);	

    done();
  });

});