alasql/src/68if.js

AlaSQL.js - JavaScript SQL database library for relational and graph data manipulation with support of localStorage, IndexedDB, and Excel

/*
//
// IF for Alasql.js
// Date: 03.11.2014
// (c) 2014, Andrey Gershun
//
*/

yy.If = function (params) { return yy.extend(this, params); }
yy.If.prototype.toString = function() {
	var s = K('IF')+' ';
	s += this.expression.toString();
	s += ' '+this.thenstat.toString();
	if(this.elsestat) s += ' '+K('ELSE')+NL()+ID()+this.thenstat.toString();
	return s;
};

// CREATE TABLE
//yy.CreateTable.prototype.compile = returnUndefined;
yy.If.prototype.execute = function (databaseid,params,cb){
	var res;
//	console.log(this);
//	console.log(this.expression.toJavaScript('{}','',null));
//	console.log();
	var fn = new Function('params,alasql,p','return '+this.expression.toJavaScript('({})','',null)).bind(this);
//	var fn = new Function('params,alasql,p','console.log(this.thenstat);return '+this.expression.toJavaScript('({})','',null)).bind(this);
	if(fn(params,alasql)) res = this.thenstat.execute(databaseid,params,cb);
	else {
		if(this.elsestat) res = this.elsestat.execute(databaseid,params,cb);
		else {
			if(cb) res = cb(res);
		}
	}
//	else res = this.elsestat.execute(databaseid,params,cb,scope);
	return res;
};