8398c9048d
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
369 lines
11 KiB
PHP
369 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* Zend Framework
|
|
*
|
|
* LICENSE
|
|
*
|
|
* This source file is subject to the new BSD license that is bundled
|
|
* with this package in the file LICENSE.txt.
|
|
* It is also available through the world-wide-web at this URL:
|
|
* http://framework.zend.com/license/new-bsd
|
|
* If you did not receive a copy of the license and are unable to
|
|
* obtain it through the world-wide-web, please send an email
|
|
* to license@zend.com so we can send you a copy immediately.
|
|
*
|
|
* @category ZendX
|
|
* @package ZendX_Db
|
|
* @subpackage Statement
|
|
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id: $
|
|
*/
|
|
|
|
/**
|
|
* @see Zend_Db_Statement
|
|
*/
|
|
require_once 'Zend/Db/Statement.php';
|
|
|
|
/**
|
|
* Extends for Firebird
|
|
*
|
|
* @category ZendX
|
|
* @package ZendX_Db
|
|
* @subpackage Statement
|
|
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class ZendX_Db_Statement_Firebird extends Zend_Db_Statement
|
|
{
|
|
|
|
/**
|
|
* The firebird_stmtPrepared resource.
|
|
*
|
|
* @var firebird_stmtPrepared
|
|
*/
|
|
protected $_stmtPrepared = null;
|
|
|
|
/**
|
|
* The firebird_stmtResult resource.
|
|
*
|
|
* @var firebird_result
|
|
*/
|
|
protected $_stmtResult = null;
|
|
|
|
/**
|
|
* The firebird_stmtResult resource.
|
|
*
|
|
* @var firebird_result
|
|
*/
|
|
protected $_stmtRowCount = 0;
|
|
|
|
/**
|
|
* The firebird_stmtResult resource.
|
|
*
|
|
* @var firebird_result
|
|
*/
|
|
protected $_stmtColumnCount = 0;
|
|
|
|
/**
|
|
* Column names.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_keys = array();
|
|
|
|
/**
|
|
* Fetched result values.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_values = array();
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
protected $_meta = null;
|
|
|
|
/**
|
|
* @param string $sql
|
|
* @return void
|
|
* @throws ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
public function _prepare($sql)
|
|
{
|
|
$this->_stmtRowCount = 0;
|
|
$this->_stmtColumnCount = 0;
|
|
|
|
$connection = $this->_adapter->getConnection();
|
|
|
|
if ($trans = $this->_adapter->getTransaction())
|
|
$this->_stmtPrepared = @ibase_prepare($connection, $trans, $sql);
|
|
else
|
|
$this->_stmtPrepared = @ibase_prepare($connection, $sql);
|
|
|
|
if ($this->_stmtPrepared === false) {
|
|
/**
|
|
* @see ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
require_once 'ZendX/Db/Statement/Firebird/Exception.php';
|
|
throw new ZendX_Db_Statement_Firebird_Exception("Firebird prepare error: " . ibase_errmsg());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Binds a parameter to the specified variable name.
|
|
*
|
|
* @param mixed $parameter Name the parameter, either integer or string.
|
|
* @param mixed $variable Reference to PHP variable containing the value.
|
|
* @param mixed $type OPTIONAL Datatype of SQL parameter.
|
|
* @param mixed $length OPTIONAL Length of SQL parameter.
|
|
* @param mixed $options OPTIONAL Other options.
|
|
* @return bool
|
|
* @throws ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Closes the cursor and the statement.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function close()
|
|
{
|
|
if ($stmt = $this->_stmtResult) {
|
|
@ibase_free_result($this->_stmtResult);
|
|
$this->_stmtResult = null;
|
|
}
|
|
|
|
if ($this->_stmtPrepared) {
|
|
$r = @ibase_free_query($this->_stmtPrepared);
|
|
$this->_stmtPrepared = null;
|
|
return $r;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Closes the cursor, allowing the statement to be executed again.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function closeCursor()
|
|
{
|
|
if ($stmt = $this->_stmtResult) {
|
|
return @ibase_free_result($this->_stmtResult);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of columns in the result set.
|
|
* Returns null if the statement has no result set metadata.
|
|
*
|
|
* @return int The number of columns.
|
|
*/
|
|
public function columnCount()
|
|
{
|
|
return $this->_stmtColumnCount ? $this->_stmtColumnCount : 0;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the error code, if any, associated with the last operation on
|
|
* the statement handle.
|
|
*
|
|
* @return string error code.
|
|
*/
|
|
public function errorCode()
|
|
{
|
|
if ($this->_stmtPrepared || $this->_stmtResult) {
|
|
return ibase_errcode();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieves an array of error information, if any, associated with the
|
|
* last operation on the statement handle.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function errorInfo()
|
|
{
|
|
if (!$this->_stmtPrepared) {
|
|
return false;
|
|
}
|
|
return array(
|
|
ibase_errcode(),
|
|
ibase_errmsg()
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Executes a prepared statement.
|
|
*
|
|
* @param array $params OPTIONAL Values to bind to parameter placeholders.
|
|
* @return bool
|
|
* @throws ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
public function _execute(array $params = null)
|
|
{
|
|
if (!$this->_stmtPrepared) {
|
|
return false;
|
|
}
|
|
|
|
// if no params were given as an argument to execute(),
|
|
// then default to the _bindParam array
|
|
if ($params === null) {
|
|
$params = $this->_bindParam;
|
|
}
|
|
// send $params as input parameters to the statement
|
|
if ($params) {
|
|
array_unshift($params, $this->_stmtPrepared);
|
|
$retval = @call_user_func_array(
|
|
'ibase_execute',
|
|
$params
|
|
);
|
|
} else
|
|
// execute the statement
|
|
$retval = @ibase_execute($this->_stmtPrepared);
|
|
$this->_stmtResult = $retval;
|
|
|
|
if ($retval === false) {
|
|
$last_error = ibase_errmsg();
|
|
$this->_stmtRowCount = 0;
|
|
}
|
|
|
|
//Firebird php ibase extension, auto-commit is not after each call, but at
|
|
//end of script. Disabled when transaction is active
|
|
if (!$this->_adapter->getTransaction())
|
|
ibase_commit_ret();
|
|
|
|
if ($retval === false) {
|
|
/**
|
|
* @see ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
require_once 'ZendX/Db/Statement/Firebird/Exception.php';
|
|
throw new ZendX_Db_Statement_Firebird_Exception("Firebird statement execute error : " . $last_error);
|
|
}
|
|
|
|
// statements that have no result set do not return metadata
|
|
if (is_resource($this->_stmtResult)) {
|
|
|
|
// get the column names that will result
|
|
$this->_keys = array();
|
|
$coln = ibase_num_fields($this->_stmtResult);
|
|
$this->_stmtColumnCount = $coln;
|
|
for ($i = 0; $i < $coln; $i++) {
|
|
$col_info = ibase_field_info($this->_stmtResult, $i);
|
|
$this->_keys[] = $this->_adapter->foldCase($col_info['name']);
|
|
}
|
|
|
|
// set up a binding space for result variables
|
|
$this->_values = array_fill(0, count($this->_keys), null);
|
|
|
|
// set up references to the result binding space.
|
|
// just passing $this->_values in the call_user_func_array()
|
|
// below won't work, you need references.
|
|
$refs = array();
|
|
foreach ($this->_values as $i => &$f) {
|
|
$refs[$i] = &$f;
|
|
}
|
|
}
|
|
|
|
if ($trans = $this->_adapter->getTransaction())
|
|
$this->_stmtRowCount = ibase_affected_rows($trans);
|
|
else
|
|
$this->_stmtRowCount = ibase_affected_rows($this->_adapter->getConnection());
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Fetches a row from the result set.
|
|
*
|
|
* @param int $style OPTIONAL Fetch mode for this fetch operation.
|
|
* @param int $cursor OPTIONAL Absolute, relative, or other.
|
|
* @param int $offset OPTIONAL Number for absolute or relative cursors.
|
|
* @return mixed Array, object, or scalar depending on fetch mode.
|
|
* @throws Zend_Db_Statement_Exception
|
|
*/
|
|
public function fetch($style = null, $cursor = null, $offset = null)
|
|
{
|
|
if (!$this->_stmtResult) {
|
|
return false;
|
|
}
|
|
|
|
if ($style === null) {
|
|
$style = $this->_fetchMode;
|
|
}
|
|
|
|
switch ($style) {
|
|
case Zend_Db::FETCH_NUM:
|
|
$row = ibase_fetch_row($this->_stmtResult, IBASE_TEXT);
|
|
break;
|
|
case Zend_Db::FETCH_ASSOC:
|
|
$row = ibase_fetch_assoc($this->_stmtResult, IBASE_TEXT);
|
|
break;
|
|
case Zend_Db::FETCH_BOTH:
|
|
$row = ibase_fetch_assoc($this->_stmtResult, IBASE_TEXT);
|
|
if ($row !== false)
|
|
$row = array_merge($row, array_values($row));
|
|
break;
|
|
case Zend_Db::FETCH_OBJ:
|
|
$row = ibase_fetch_object($this->_stmtResult, IBASE_TEXT);
|
|
break;
|
|
case Zend_Db::FETCH_BOUND:
|
|
$row = ibase_fetch_assoc($this->_stmtResult, IBASE_TEXT);
|
|
if ($row !== false){
|
|
$row = array_merge($row, array_values($row));
|
|
$row = $this->_fetchBound($row);
|
|
}
|
|
break;
|
|
default:
|
|
/**
|
|
* @see ZendX_Db_Adapter_Firebird_Exception
|
|
*/
|
|
require_once 'ZendX/Db/Statement/Firebird/Exception.php';
|
|
throw new ZendX_Db_Statement_Firebird_Exception(
|
|
"Invalid fetch mode '$style' specified"
|
|
);
|
|
break;
|
|
}
|
|
|
|
|
|
return $row;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the next rowset (result set) for a SQL statement that has
|
|
* multiple result sets. An example is a stored procedure that returns
|
|
* the results of multiple queries.
|
|
*
|
|
* @return bool
|
|
* @throws ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
public function nextRowset()
|
|
{
|
|
/**
|
|
* @see ZendX_Db_Statement_Firebird_Exception
|
|
*/
|
|
require_once 'ZendX/Db/Statement/Firebird/Exception.php';
|
|
throw new ZendX_Db_Statement_Firebird_Exception(__FUNCTION__.'() is not implemented');
|
|
}
|
|
|
|
/**
|
|
* Returns the number of rows affected by the execution of the
|
|
* last INSERT, DELETE, or UPDATE statement executed by this
|
|
* statement object.
|
|
*
|
|
* @return int The number of rows affected.
|
|
* @throws Zend_Db_Statement_Exception
|
|
*/
|
|
public function rowCount()
|
|
{
|
|
return $this->_stmtRowCount ? $this->_stmtRowCount : 0;
|
|
}
|
|
|
|
}
|