alasql/src/90websql.js

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

//
// 91websql.js
// WebSQL database support
// (c) 2014, Andrey Gershun
//

var WEBSQL = alasql.engines.WEBSQL = function (){};

WEBSQL.createDatabase = function(wdbid, args, dbid, cb){
	var res = 1;
	var wdb = openDatabase(wdbid, args[0], args[1], args[2]);
	if(this.dbid) {
		var db = alasql.createDatabase(this.dbid);
		db.engineid = 'WEBSQL';
		db.wdbid = wdbid;
		sb.wdb = db;
	}
	if(!wdb) {
		throw new Error('Cannot create WebSQL database "'+databaseid+'"')
	}
	if(cb) cb(res);
	return res;
};

WEBSQL.dropDatabase = function(databaseid){
	throw new Error('This is impossible to drop WebSQL database.');
};

WEBSQL.attachDatabase = function(databaseid, dbid, args, params, cb){
	var res = 1;
	if(alasql.databases[dbid]) {
		throw new Error('Unable to attach database as "'+dbid+'" because it already exists');
	};
	alasqlopenDatabase(databaseid, args[0], args[1], args[2]);
	return res;
}