/**
 * The equivalent of a SQL function.
 *
 * @param {string} funcName The name of the function
 * @param {Array#Sql.Expr} param Array with function parameters
 **/
Sql.Func = new Class
({
	Extends: Sql.Expr
	,Properties:
	{
		name:
		{
			type: String
			,value: null
		},
		schema:
		{
			type: String
			,value: null
		},
		params:
		{
			type: Sql.List
			,value: null
		}
	}

	,render: function (batch)
	{
		var sql = (this.schema) ? '`' + this.schema + '`.' : '';
		return sql + '`' + this.name + '`()';
	}
});