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doctrine2/Doctrine/Query/Having.php

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2006-06-30 03:04:39 +04:00
<?php
require_once("Condition.php");
class Doctrine_Query_Having extends Doctrine_Query_Condition {
/**
* DQL Aggregate Function parser
*
* @param string $func
* @return mixed
*/
private function parseAggregateFunction($func) {
$pos = strpos($func,"(");
if($pos !== false) {
$funcs = array();
$name = substr($func, 0, $pos);
$func = substr($func, ($pos + 1), -1);
$params = Doctrine_Query::bracketExplode($func, ",", "(", ")");
foreach($params as $k => $param) {
$params[$k] = $this->parseAggregateFunction($param);
}
$funcs = $name."(".implode(", ", $params).")";
return $funcs;
} else {
if( ! is_numeric($func)) {
$a = explode(".",$func);
$field = array_pop($a);
$reference = implode(".",$a);
$table = $this->query->load($reference, false);
$func = $this->query->getTableAlias($reference).".".$field;
return $func;
} else {
return $func;
}
}
}
/**
* load
* returns the parsed query part
*
* @param string $having
* @return string
*/
final public function load($having) {
$e = Doctrine_Query::bracketExplode($having," ","(",")");
$r = array_shift($e);
$t = explode("(",$r);
$count = count($t);
$r = $this->parseAggregateFunction($r);
$operator = array_shift($e);
$value = implode(" ",$e);
$r .= " ".$operator." ".$value;
return $r;
}
/**
* __toString
*
* @return string
*/
public function __toString() {
return ( ! empty($this->parts))?implode(" AND ", $this->parts):'';
}
}