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doctrine2/lib/Doctrine/ORM/NativeQuery.php

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2008-09-12 16:28:36 +04:00
<?php
2009-01-04 19:15:32 +03:00
#namespace Doctrine\ORM;
2008-09-12 16:28:36 +04:00
/**
* @todo Migrate the old RawSql to NativeQuery.
* Use JPA/Hibernate NativeQuerys as a role-model.
*/
class Doctrine_NativeQuery
{
private static $_placeHolderPattern = '#\{([a-z][a-z0-9_]*)\.(\*|[a-z][a-z0-9_]*)\}#i';
private $_sql;
private $_conn;
private $_params = array();
private $_entities = array();
private $_placeholders = array();
private $_usedEntityAliases = array();
private $_usedFields = array();
public function __construct($sql, Doctrine_Connection $conn)
{
$numMatches = preg_match_all(self::$_placeHolderPattern, $sql, $matches);
$this->_placeHolders = $matches[0];
$this->_usedEntityAliases = $matches[1];
$this->_usedFields = $matches[2];
$this->_sql = $sql;
$this->_conn = $conn;
}
private function _parse()
{
// replace placeholders in $sql with generated names
for ($i = 0; $i < count($this->_placeholders); $i++) {
$entityClassName = $this->_entities[$this->_usedEntityAliases[$i]];
$entityClass = $this->_conn->getClassMetadata($entityClassName);
$columnName = $entityClass->getColumnName($this->_usedFields[$i]);
$tableName = $entityClass->getTableName();
$replacement = $tableName . '.' . $columnName . ' AS '
. $this->_generateColumnAlias($columnName, $tableName);
$sql = str_replace($this->_placeholders[$i], $replacement, $sql);
}
}
private function _generateColumnAlias($columnName, $tableName)
{
return $tableName . '__' . $columnName;
}
/*public function addScalar()
{
}*/
public function addEntity($alias, $className)
{
$this->_entities[$alias] = $className;
}
public function addJoin($join)
{
}
public function setParameter($key, $value)
{
$this->_params[$key] = $value;
}
public function addParameter($value)
{
$this->_params[] = $value;
}
public function execute(array $params)
{
if ($this->_entities) {
//...
} else {
return $this->_conn->execute($this->_sql, array_merge($this->_params, $params));
}
}
public function executeUpdate(array $params)
{
return $this->_conn->exec($this->_sql, array_merge($this->_params, $params));
}
}