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merge from 1.7.3.5(r13153:r13167)

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git-svn-id: http://xe-core.googlecode.com/svn/trunk@13168 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ngleader 2013-09-29 23:32:39 +00:00
parent cc47d2b247
commit 2d3f149b5a
2042 changed files with 129266 additions and 126243 deletions
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118
classes/db/queryparts/expression/SelectExpression.class.php
View file

@ -1,59 +1,69 @@
<?php
/**
* SelectExpression
* Represents an expresion that appears in the select clause
*
* $column_name can be:
* - a table column name
* - an sql function - like count(*)
* - an sql expression - substr(column_name, 1, 8) or score1 + score2
* $column_name is already escaped
*
* @author Arnia Software
* @package /classes/db/queryparts/expression
* @version 0.1
*/
class SelectExpression extends Expression
{
/**
* SelectExpression
* Represents an expresion that appears in the select clause
*
* $column_name can be:
* - a table column name
* - an sql function - like count(*)
* - an sql expression - substr(column_name, 1, 8) or score1 + score2
* $column_name is already escaped
*
* @author Arnia Software
* @package /classes/db/queryparts/expression
* @version 0.1
* column alias name
* @var string
*/
class SelectExpression extends Expression {
/**
* column alias name
* @var string
*/
var $column_alias;
var $column_alias;
/**
* constructor
* @param string $column_name
* @param string $alias
* @return void
*/
function SelectExpression($column_name, $alias = NULL){
parent::Expression($column_name);
$this->column_alias = $alias;
}
/**
* Return column expression, ex) column as alias
* @return string
*/
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;
}
/**
* constructor
* @param string $column_name
* @param string $alias
* @return void
*/
function SelectExpression($column_name, $alias = NULL)
{
parent::Expression($column_name);
$this->column_alias = $alias;
}
?>
/**
* Return column expression, ex) column as alias
* @return string
*/
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 */