alasql/src/821tsql.js

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

if(alasql.options.tsql) {


//
// Check tables and views
// IF OBJECT_ID('dbo.Employees') IS NOT NULL
//   DROP TABLE dbo.Employees;
  // IF OBJECT_ID('dbo.VSortedOrders', 'V') IS NOT NULL
//   DROP VIEW dbo.VSortedOrders;

alasql.stdfn.OBJECT_ID = function(name,type) {
	if(typeof type == 'undefined') type = 'T';
	type = type.toUpperCase();

	var sname = name.split('.');
	var dbid = alasql.useid;
	var objname = sname[0];
	if(sname.length == 2) {
		dbid = sname[0];
		objname = sname[1];
	}

	var tables = alasql.databases[dbid].tables;
	dbid = 	alasql.databases[dbid].databaseid;
	for(var tableid in tables) {
		if(tableid == objname) {
			// TODO: What OBJECT_ID actually returns

			if(tables[tableid].view && type == 'V') return dbid+'.'+tableid;
			if(!tables[tableid].view && type == 'T') return dbid+'.'+tableid;
			return undefined;
		}
	}

	return undefined;
};

}