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<?php
namespace Laminas\Db\Adapter\Driver\Oci8;
use Laminas\Db\Adapter\Driver\StatementInterface;
use Laminas\Db\Adapter\Exception;
use Laminas\Db\Adapter\ParameterContainer;
use Laminas\Db\Adapter\Profiler;
use function is_array;
use function is_string;
use function oci_bind_by_name;
use function oci_error;
use function oci_execute;
use function oci_new_descriptor;
use function oci_parse;
use function oci_statement_type;
use function sprintf;
use const OCI_B_CLOB;
use const OCI_COMMIT_ON_SUCCESS;
use const OCI_DTYPE_LOB;
use const OCI_NO_AUTO_COMMIT;
use const OCI_TEMP_CLOB;
use const SQLT_BIN;
use const SQLT_CHR;
use const SQLT_INT;
class Statement implements StatementInterface, Profiler\ProfilerAwareInterface
{
/** @var resource */
protected $oci8;
/** @var Oci8 */
protected $driver;
/** @var Profiler\ProfilerInterface */
protected $profiler;
/** @var string */
protected $sql = '';
/**
* Parameter container
*
* @var ParameterContainer
*/
protected $parameterContainer;
/** @var resource */
protected $resource;
/**
* @internal
* @deprecated
*
* @var bool
*/
public $parametersBound;
/**
* Is prepared
*
* @var bool
*/
protected $isPrepared = false;
/** @var bool */
protected $bufferResults = false;
/**
* Set driver
*
* @param Oci8 $driver
* @return $this Provides a fluent interface
*/
public function setDriver($driver)
{
$this->driver = $driver;
return $this;
}
/**
* @return $this 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;
}
/**
* Initialize
*
* @param resource $oci8
* @return $this Provides a fluent interface
*/
public function initialize($oci8)
{
$this->oci8 = $oci8;
return $this;
}
/**
* Set sql
*
* @param string $sql
* @return $this Provides a fluent interface
*/
public function setSql($sql)
{
$this->sql = $sql;
return $this;
}
/**
* Set Parameter container
*
* @return $this Provides a fluent interface
*/
public function setParameterContainer(ParameterContainer $parameterContainer)
{
$this->parameterContainer = $parameterContainer;
return $this;
}
/**
* Get resource
*
* @return mixed
*/
public function getResource()
{
return $this->resource;
}
/**
* Set resource
*
* @param resource $oci8Statement
* @return $this Provides a fluent interface
*/
public function setResource($oci8Statement)
{
$type = oci_statement_type($oci8Statement);
if (false === $type || 'UNKNOWN' === $type) {
throw new Exception\InvalidArgumentException(sprintf(
'Invalid statement provided to %s',
__METHOD__
));
}
$this->resource = $oci8Statement;
$this->isPrepared = true;
return $this;
}
/**
* Get sql
*
* @return string
*/
public function getSql()
{
return $this->sql;
}
/**
* @return ParameterContainer
*/
public function getParameterContainer()
{
return $this->parameterContainer;
}
/**
* @return bool
*/
public function isPrepared()
{
return $this->isPrepared;
}
/**
* @param string $sql
* @return $this Provides a fluent interface
*/
public function prepare($sql = null)
{
if ($this->isPrepared) {
throw new Exception\RuntimeException('This statement has already been prepared');
}
$sql = $sql ?: $this->sql;
// get oci8 statement resource
$this->resource = oci_parse($this->oci8, $sql);
if (! $this->resource) {
$e = oci_error($this->oci8);
throw new Exception\InvalidQueryException(
'Statement couldn\'t be produced with sql: ' . $sql,
$e['code'],
new Exception\ErrorException($e['message'], $e['code'])
);
}
$this->isPrepared = true;
return $this;
}
/**
* Execute
*
* @param null|array|ParameterContainer $parameters
* @return mixed
*/
public function execute($parameters = null)
{
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) {
$this->bindParametersFromContainer();
}
/** END Standard ParameterContainer Merging Block */
if ($this->profiler) {
$this->profiler->profilerStart($this);
}
if ($this->driver->getConnection()->inTransaction()) {
$ret = @oci_execute($this->resource, OCI_NO_AUTO_COMMIT);
} else {
$ret = @oci_execute($this->resource, OCI_COMMIT_ON_SUCCESS);
}
if ($this->profiler) {
$this->profiler->profilerFinish();
}
if ($ret === false) {
$e = oci_error($this->resource);
throw new Exception\RuntimeException($e['message'], $e['code']);
}
return $this->driver->createResult($this->resource, $this);
}
/**
* Bind parameters from container
*/
protected function bindParametersFromContainer()
{
$parameters = $this->parameterContainer->getNamedArray();
foreach ($parameters as $name => &$value) {
if ($this->parameterContainer->offsetHasErrata($name)) {
switch ($this->parameterContainer->offsetGetErrata($name)) {
case ParameterContainer::TYPE_NULL:
$type = null;
$value = null;
break;
case ParameterContainer::TYPE_DOUBLE:
case ParameterContainer::TYPE_INTEGER:
$type = SQLT_INT;
if (is_string($value)) {
$value = (int) $value;
}
break;
case ParameterContainer::TYPE_BINARY:
$type = SQLT_BIN;
break;
case ParameterContainer::TYPE_LOB:
$type = OCI_B_CLOB;
$clob = oci_new_descriptor($this->driver->getConnection()->getResource(), OCI_DTYPE_LOB);
$clob->writetemporary($value, OCI_TEMP_CLOB);
$value = $clob;
break;
case ParameterContainer::TYPE_STRING:
default:
$type = SQLT_CHR;
break;
}
} else {
$type = SQLT_CHR;
}
$maxLength = -1;
if ($this->parameterContainer->offsetHasMaxLength($name)) {
$maxLength = $this->parameterContainer->offsetGetMaxLength($name);
}
oci_bind_by_name($this->resource, $name, $value, $maxLength, $type);
}
}
/**
* Perform a deep clone
*/
public function __clone()
{
$this->isPrepared = false;
$this->parametersBound = false;
$this->resource = null;
if ($this->parameterContainer) {
$this->parameterContainer = clone $this->parameterContainer;
}
}
}