SelectExpression.class.php

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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */

class SelectExpression extends Expression
{

    var $column_alias;

    function __construct($column_name, $alias = NULL)
    {
        parent::__construct($column_name);
        $this->column_alias = $alias;
    }

    function getExpression()
    {
        return sprintf("%s%s", $this->column_name, $this->column_alias ? " as " . $this->column_alias : "");
    }

    function show()
    {
        return true;
    }

    function getArgument()
    {
        return null;
    }

    function getArguments()
    {
        return array();
    }

    function isSubquery()
    {
        return false;
    }

}
/* End of file SelectExpression.class.php */
/* Location: ./classes/db/queryparts/expression/SelectExpression.class.php */