sintonia/airtime_mvc/library/propel/runtime/lib/connection/DebugPDOStatement.php

123 lines
3.4 KiB
PHP

<?php
/**
* This file is part of the Propel package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
/**
* PDOStatement that provides some enhanced functionality needed by Propel.
*
* Simply adds the ability to count the number of queries executed and log the queries/method calls.
*
* @author Oliver Schonrock <oliver@realtsp.com>
* @author Jarno Rantanen <jarno.rantanen@tkk.fi>
* @since 2007-07-12
* @package propel.runtime.connection
*/
class DebugPDOStatement extends PDOStatement
{
/**
* The PDO connection from which this instance was created.
*
* @var PropelPDO
*/
protected $pdo;
/**
* Hashmap for resolving the PDO::PARAM_* class constants to their human-readable names.
*
* This is only used in logging the binding of variables.
*
* @see self::bindValue()
* @var array
*/
protected static $typeMap = array(
PDO::PARAM_BOOL => "PDO::PARAM_BOOL",
PDO::PARAM_INT => "PDO::PARAM_INT",
PDO::PARAM_STR => "PDO::PARAM_STR",
PDO::PARAM_LOB => "PDO::PARAM_LOB",
PDO::PARAM_NULL => "PDO::PARAM_NULL",
);
/**
* @var array The values that have been bound
*/
protected $boundValues = array();
/**
* Construct a new statement class with reference to main DebugPDO object from
* which this instance was created.
*
* @param DebugPDO $pdo Reference to the parent PDO instance.
*/
protected function __construct(PropelPDO $pdo)
{
$this->pdo = $pdo;
}
public function getExecutedQueryString()
{
$sql = $this->queryString;
$matches = array();
if (preg_match_all('/(:p[0-9]+\b)/', $sql, $matches)) {
$size = count($matches[1]);
for ($i = $size-1; $i >= 0; $i--) {
$pos = $matches[1][$i];
$sql = str_replace($pos, $this->boundValues[$pos], $sql);
}
}
return $sql;
}
/**
* Executes a prepared statement. Returns a boolean value indicating success.
*
* Overridden for query counting and logging.
*
* @return bool
*/
public function execute($input_parameters = null)
{
$debug = $this->pdo->getDebugSnapshot();
$return = parent::execute($input_parameters);
$sql = $this->getExecutedQueryString();
$this->pdo->log($sql, null, __METHOD__, $debug);
$this->pdo->setLastExecutedQuery($sql);
$this->pdo->incrementQueryCount();
return $return;
}
/**
* Binds a value to a corresponding named or question mark placeholder in the SQL statement
* that was use to prepare the statement. Returns a boolean value indicating success.
*
* @param int $pos Parameter identifier (for determining what to replace in the query).
* @param mixed $value The value to bind to the parameter.
* @param int $type Explicit data type for the parameter using the PDO::PARAM_* constants. Defaults to PDO::PARAM_STR.
* @return boolean
*/
public function bindValue($pos, $value, $type = PDO::PARAM_STR)
{
$debug = $this->pdo->getDebugSnapshot();
$typestr = isset(self::$typeMap[$type]) ? self::$typeMap[$type] : '(default)';
$return = parent::bindValue($pos, $value, $type);
$valuestr = $type == PDO::PARAM_LOB ? '[LOB value]' : var_export($value, true);
$msg = "Binding $valuestr at position $pos w/ PDO type $typestr";
$this->boundValues[$pos] = $valuestr;
$this->pdo->log($msg, null, __METHOD__, $debug);
return $return;
}
}