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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Driver\Sqlsrv;
use Zend\Db\Adapter\Driver\StatementInterface;
use Zend\Db\Adapter\Exception;
use Zend\Db\Adapter\ParameterContainer;
use Zend\Db\Adapter\Profiler;
class Statement implements StatementInterface, Profiler\ProfilerAwareInterface
{
/**
* @var resource
*/
protected $sqlsrv = null;
/**
* @var Sqlsrv
*/
protected $driver = null;
/**
* @var Profiler\ProfilerInterface
*/
protected $profiler = null;
/**
* @var string
*/
protected $sql = null;
/**
* @var bool
*/
protected $isQuery = null;
/**
* @var array
*/
protected $parameterReferences = [];
/**
* @var ParameterContainer
*/
protected $parameterContainer = null;
/**
* @var resource
*/
protected $resource = null;
/**
*
* @var bool
*/
protected $isPrepared = false;
/**
* @var array
*/
protected $prepareParams = [];
/**
* @var array
*/
protected $prepareOptions = [];
/**
* @var array
*/
protected $parameterReferenceValues = [];
/**
* Set driver
*
* @param Sqlsrv $driver
* @return self Provides a fluent interface
*/
public function setDriver(Sqlsrv $driver)
{
$this->driver = $driver;
return $this;
}
/**
* @param Profiler\ProfilerInterface $profiler
* @return self Provides a fluent interface
*/
public function setProfiler(Profiler\ProfilerInterface $profiler)
{
$this->profiler = $profiler;
return $this;
}
/**
* @return null|Profiler\ProfilerInterface
*/
public function getProfiler()
{
return $this->profiler;
}
/**
*
* One of two resource types will be provided here:
* a) "SQL Server Connection" when a prepared statement needs to still be produced
* b) "SQL Server Statement" when a prepared statement has been already produced
* (there will need to already be a bound param set if it applies to this query)
*
* @param resource $resource
* @return self Provides a fluent interface
* @throws Exception\InvalidArgumentException
*/
public function initialize($resource)
{
$resourceType = get_resource_type($resource);
if ($resourceType == 'SQL Server Connection') {
$this->sqlsrv = $resource;
} elseif ($resourceType == 'SQL Server Statement') {
$this->resource = $resource;
$this->isPrepared = true;
} else {
throw new Exception\InvalidArgumentException('Invalid resource provided to ' . __CLASS__);
}
return $this;
}
/**
* Set parameter container
*
* @param ParameterContainer $parameterContainer
* @return self Provides a fluent interface
*/
public function setParameterContainer(ParameterContainer $parameterContainer)
{
$this->parameterContainer = $parameterContainer;
return $this;
}
/**
* @return ParameterContainer
*/
public function getParameterContainer()
{
return $this->parameterContainer;
}
/**
* @param $resource
* @return self Provides a fluent interface
*/
public function setResource($resource)
{
$this->resource = $resource;
return $this;
}
/**
* Get resource
*
* @return resource
*/
public function getResource()
{
return $this->resource;
}
/**
* @param string $sql
* @return self Provides a fluent interface
*/
public function setSql($sql)
{
$this->sql = $sql;
return $this;
}
/**
* Get sql
*
* @return string
*/
public function getSql()
{
return $this->sql;
}
/**
* @param string $sql
* @param array $options
* @return self Provides a fluent interface
* @throws Exception\RuntimeException
*/
public function prepare($sql = null, array $options = [])
{
if ($this->isPrepared) {
throw new Exception\RuntimeException('Already prepared');
}
$sql = ($sql) ?: $this->sql;
$options = ($options) ?: $this->prepareOptions;
$pRef = &$this->parameterReferences;
for ($position = 0, $count = substr_count($sql, '?'); $position < $count; $position++) {
if (! isset($this->prepareParams[$position])) {
$pRef[$position] = [&$this->parameterReferenceValues[$position], SQLSRV_PARAM_IN, null, null];
} else {
$pRef[$position] = &$this->prepareParams[$position];
}
}
$this->resource = sqlsrv_prepare($this->sqlsrv, $sql, $pRef, $options);
$this->isPrepared = true;
return $this;
}
/**
* @return bool
*/
public function isPrepared()
{
return $this->isPrepared;
}
/**
* Execute
*
* @param null|array|ParameterContainer $parameters
* @throws Exception\RuntimeException
* @return Result
*/
public function execute($parameters = null)
{
/** END Standard ParameterContainer Merging Block */
if (! $this->isPrepared) {
$this->prepare();
}
/** START Standard ParameterContainer Merging Block */
if (! $this->parameterContainer instanceof ParameterContainer) {
if ($parameters instanceof ParameterContainer) {
$this->parameterContainer = $parameters;
$parameters = null;
} else {
$this->parameterContainer = new ParameterContainer();
}
}
if (is_array($parameters)) {
$this->parameterContainer->setFromArray($parameters);
}
if ($this->parameterContainer->count() > 0) {
$this->bindParametersFromContainer();
}
if ($this->profiler) {
$this->profiler->profilerStart($this);
}
$resultValue = sqlsrv_execute($this->resource);
if ($this->profiler) {
$this->profiler->profilerFinish();
}
if ($resultValue === false) {
$errors = sqlsrv_errors();
// ignore general warnings
if ($errors[0]['SQLSTATE'] != '01000') {
throw new Exception\RuntimeException($errors[0]['message']);
}
}
$result = $this->driver->createResult($this->resource);
return $result;
}
/**
* Bind parameters from container
*
*/
protected function bindParametersFromContainer()
{
$values = $this->parameterContainer->getPositionalArray();
$position = 0;
foreach ($values as $value) {
$this->parameterReferences[$position++][0] = $value;
}
}
/**
* @param array $prepareParams
*/
public function setPrepareParams(array $prepareParams)
{
$this->prepareParams = $prepareParams;
}
/**
* @param array $prepareOptions
*/
public function setPrepareOptions(array $prepareOptions)
{
$this->prepareOptions = $prepareOptions;
}
}