411 lines
11 KiB
PHP
411 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 Zend
|
||
|
|
* @package Zend_Db
|
||
|
|
* @subpackage Statement
|
||
|
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Statement
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement.php';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Extends for Microsoft SQL Server Driver for PHP
|
||
|
|
*
|
||
|
|
* @category Zend
|
||
|
|
* @package Zend_Db
|
||
|
|
* @subpackage Statement
|
||
|
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
|
*/
|
||
|
|
class Zend_Db_Statement_Sqlsrv extends Zend_Db_Statement
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The connection_stmt object original string.
|
||
|
|
*/
|
||
|
|
protected $_originalSQL;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Column names.
|
||
|
|
*/
|
||
|
|
protected $_keys;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Query executed
|
||
|
|
*/
|
||
|
|
protected $_executed = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepares statement handle
|
||
|
|
*
|
||
|
|
* @param string $sql
|
||
|
|
* @return void
|
||
|
|
* @throws Zend_Db_Statement_Sqlsrv_Exception
|
||
|
|
*/
|
||
|
|
protected function _prepare($sql)
|
||
|
|
{
|
||
|
|
$connection = $this->_adapter->getConnection();
|
||
|
|
|
||
|
|
$this->_stmt = sqlsrv_prepare($connection, $sql);
|
||
|
|
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors());
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_originalSQL = $sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 $options OPTIONAL Other options.
|
||
|
|
* @return bool
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
|
||
|
|
{
|
||
|
|
//Sql server doesn't support bind by name
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Closes the cursor, allowing the statement to be executed again.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function closeCursor()
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
sqlsrv_free_stmt($this->_stmt);
|
||
|
|
$this->_stmt = false;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the number of columns in the result set.
|
||
|
|
* Returns null if the statement has no result set metadata.
|
||
|
|
*
|
||
|
|
* @return int The number of columns.
|
||
|
|
*/
|
||
|
|
public function columnCount()
|
||
|
|
{
|
||
|
|
if ($this->_stmt && $this->_executed) {
|
||
|
|
return sqlsrv_num_fields($this->_stmt);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 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->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$error = sqlsrv_errors();
|
||
|
|
if (!$error) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $error[0]['code'];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves an array of error information, if any, associated with the
|
||
|
|
* last operation on the statement handle.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function errorInfo()
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$error = sqlsrv_errors();
|
||
|
|
if (!$error) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return array(
|
||
|
|
$error[0]['code'],
|
||
|
|
$error[0]['message'],
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Executes a prepared statement.
|
||
|
|
*
|
||
|
|
* @param array $params OPTIONAL Values to bind to parameter placeholders.
|
||
|
|
* @return bool
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function _execute(array $params = null)
|
||
|
|
{
|
||
|
|
$connection = $this->_adapter->getConnection();
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($params !== null) {
|
||
|
|
if (!is_array($params)) {
|
||
|
|
$params = array($params);
|
||
|
|
}
|
||
|
|
$error = false;
|
||
|
|
|
||
|
|
// make all params passed by reference
|
||
|
|
$params_ = array();
|
||
|
|
$temp = array();
|
||
|
|
$i = 1;
|
||
|
|
foreach ($params as $param) {
|
||
|
|
$temp[$i] = $param;
|
||
|
|
$params_[] = &$temp[$i];
|
||
|
|
$i++;
|
||
|
|
}
|
||
|
|
$params = $params_;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_stmt = sqlsrv_query($connection, $this->_originalSQL, $params);
|
||
|
|
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors());
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_executed = true;
|
||
|
|
|
||
|
|
return (!$this->_stmt);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $style) {
|
||
|
|
$style = $this->_fetchMode;
|
||
|
|
}
|
||
|
|
|
||
|
|
$values = sqlsrv_fetch_array($this->_stmt, SQLSRV_FETCH_ASSOC);
|
||
|
|
|
||
|
|
if (!$values && (null !== $error = sqlsrv_errors())) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception($error);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $values) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$this->_keys) {
|
||
|
|
foreach ($values as $key => $value) {
|
||
|
|
$this->_keys[] = $this->_adapter->foldCase($key);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$values = array_values($values);
|
||
|
|
|
||
|
|
$row = false;
|
||
|
|
switch ($style) {
|
||
|
|
case Zend_Db::FETCH_NUM:
|
||
|
|
$row = $values;
|
||
|
|
break;
|
||
|
|
case Zend_Db::FETCH_ASSOC:
|
||
|
|
$row = array_combine($this->_keys, $values);
|
||
|
|
break;
|
||
|
|
case Zend_Db::FETCH_BOTH:
|
||
|
|
$assoc = array_combine($this->_keys, $values);
|
||
|
|
$row = array_merge($values, $assoc);
|
||
|
|
break;
|
||
|
|
case Zend_Db::FETCH_OBJ:
|
||
|
|
$row = (object) array_combine($this->_keys, $values);
|
||
|
|
break;
|
||
|
|
case Zend_Db::FETCH_BOUND:
|
||
|
|
$assoc = array_combine($this->_keys, $values);
|
||
|
|
$row = array_merge($values, $assoc);
|
||
|
|
$row = $this->_fetchBound($row);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception("Invalid fetch mode '$style' specified");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $row;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a single column from the next row of a result set.
|
||
|
|
*
|
||
|
|
* @param int $col OPTIONAL Position of the column to fetch.
|
||
|
|
* @return string
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function fetchColumn($col = 0)
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!sqlsrv_fetch($this->_stmt)) {
|
||
|
|
if (null !== $error = sqlsrv_errors()) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception($error);
|
||
|
|
}
|
||
|
|
|
||
|
|
// If no error, there is simply no record
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$data = sqlsrv_get_field($this->_stmt, $col); //0-based
|
||
|
|
if ($data === false) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors());
|
||
|
|
}
|
||
|
|
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetches the next row and returns it as an object.
|
||
|
|
*
|
||
|
|
* @param string $class OPTIONAL Name of the class to create.
|
||
|
|
* @param array $config OPTIONAL Constructor arguments for the class.
|
||
|
|
* @return mixed One object instance of the specified class.
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function fetchObject($class = 'stdClass', array $config = array())
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$obj = sqlsrv_fetch_object($this->_stmt);
|
||
|
|
|
||
|
|
if ($error = sqlsrv_errors()) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception($error);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* @todo XXX handle parameters */
|
||
|
|
|
||
|
|
if (null === $obj) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $obj;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns metadata for a column in a result set.
|
||
|
|
*
|
||
|
|
* @param int $column
|
||
|
|
* @return mixed
|
||
|
|
* @throws Zend_Db_Statement_Sqlsrv_Exception
|
||
|
|
*/
|
||
|
|
public function getColumnMeta($column)
|
||
|
|
{
|
||
|
|
$fields = sqlsrv_field_metadata($this->_stmt);
|
||
|
|
|
||
|
|
if (!$fields) {
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception('Column metadata can not be fetched');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($fields[$column])) {
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception('Column index does not exist in statement');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $fields[$column];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function nextRowset()
|
||
|
|
{
|
||
|
|
if (sqlsrv_next_result($this->_stmt) === false) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors());
|
||
|
|
}
|
||
|
|
|
||
|
|
//else - moved to next (or there are no more rows)
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the number of rows affected by the execution of the
|
||
|
|
* last INSERT, DELETE, or UPDATE statement executed by this
|
||
|
|
* statement object.
|
||
|
|
*
|
||
|
|
* @return int The number of rows affected.
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function rowCount()
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$this->_executed) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
$num_rows = sqlsrv_rows_affected($this->_stmt);
|
||
|
|
|
||
|
|
// Strict check is necessary; 0 is a valid return value
|
||
|
|
if ($num_rows === false) {
|
||
|
|
require_once 'Zend/Db/Statement/Sqlsrv/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors());
|
||
|
|
}
|
||
|
|
|
||
|
|
return $num_rows;
|
||
|
|
}
|
||
|
|
}
|