pgsql.php
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<?php
/**
* @package Joomla.Platform
* @subpackage Database
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* PDO PostgreSQL Query Building Class.
*
* @since 3.9.0
*/
class JDatabaseQueryPgsql extends JDatabaseQueryPostgresql implements JDatabaseQueryPreparable
{
/**
* Holds key / value pair of bound objects.
*
* @var mixed
* @since 3.9.0
*/
protected $bounded = array();
/**
* Method to add a variable to an internal array that will be bound to a prepared SQL statement before query execution. Also
* removes a variable that has been bounded from the internal bounded array when the passed in value is null.
*
* @param string|integer $key The key that will be used in your SQL query to reference the value. Usually of
* the form ':key', but can also be an integer.
* @param mixed &$value The value that will be bound. The value is passed by reference to support output
* parameters such as those possible with stored procedures.
* @param integer $dataType Constant corresponding to a SQL datatype.
* @param integer $length The length of the variable. Usually required for OUTPUT parameters.
* @param array $driverOptions Optional driver options to be used.
*
* @return JDatabaseQueryPgsql
*
* @since 3.9.0
*/
public function bind($key = null, &$value = null, $dataType = PDO::PARAM_STR, $length = 0, $driverOptions = array())
{
// Case 1: Empty Key (reset $bounded array)
if (empty($key))
{
$this->bounded = array();
return $this;
}
// Case 2: Key Provided, null value (unset key from $bounded array)
if (is_null($value))
{
if (isset($this->bounded[$key]))
{
unset($this->bounded[$key]);
}
return $this;
}
$obj = new stdClass;
$obj->value = &$value;
$obj->dataType = $dataType;
$obj->length = $length;
$obj->driverOptions = $driverOptions;
// Case 3: Simply add the Key/Value into the bounded array
$this->bounded[$key] = $obj;
return $this;
}
/**
* Retrieves the bound parameters array when key is null and returns it by reference. If a key is provided then that item is
* returned.
*
* @param mixed $key The bounded variable key to retrieve.
*
* @return mixed
*
* @since 3.9.0
*/
public function &getBounded($key = null)
{
if (empty($key))
{
return $this->bounded;
}
if (isset($this->bounded[$key]))
{
return $this->bounded[$key];
}
}
/**
* Clear data from the query or a specific clause of the query.
*
* @param string $clause Optionally, the name of the clause to clear, or nothing to clear the whole query.
*
* @return JDatabaseQueryPgsql Returns this object to allow chaining.
*
* @since 3.9.0
*/
public function clear($clause = null)
{
switch ($clause)
{
case null:
$this->bounded = array();
break;
}
return parent::clear($clause);
}
}