alasql/test/test263.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') {

describe('Test 263 MIN and MAX: aggregators and functions', function() {

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

    var data = [{a:1,b:3},{a:2,b:1},{a:2,b:3},{a:8,b:1}];
    var res = alasql('SELECT MAX(MAX(a),MIN(a)), MIN(MAX(a),MIN(a)) FROM ?', [data]);
    assert.deepEqual(res,[ { 'MAX(MAX(a),MIN(a))': 8, 'MIN(MAX(a),MIN(a))': 1 } ]);
    done();    
  });

   it('2. Test MIN MAX', function(done){
		var a = [ { a: 1, b:5 }, {a: 2, b: 0}, {a:0, b: -5}, {a: 5, b:5} ];
		var res = alasql('SELECT MIN(`a`, `b`) AS c FROM ?', [a]);
		assert.deepEqual(res,[ { c: 1 }, { c: 0 }, { c: -5 }, { c: 5 } ]);
//		console.log(res);
		var res = alasql('SELECT * FROM ? WHERE MIN(`a`, `b`) > 1', [a]);
		assert.deepEqual(res,[ { a: 5, b: 5 } ]);
//		console.log(res);
		done();
	});
   it('3. MIN in GROUP BY function', function(done){

		var a = [ { a: 1, b:5 }, {a: 2, b: 0}, {a:0, b: -5}, {a: 5, b:5} ];
		var res = alasql('SELECT b FROM ? GROUP BY b HAVING MIN(MIN(a),5) > 1', [a]);
		assert.deepEqual(res,[ { b: 0} ]);
//		console.log(res);
		done();
   });


});

}