305 lines
8.6 KiB
PHP
305 lines
8.6 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL;
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use PDO;
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use Doctrine\DBAL\Types\Type;
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use Doctrine\DBAL\Driver\Statement as DriverStatement;
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/**
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* A thin wrapper around a Doctrine\DBAL\Driver\Statement that adds support
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* for logging, DBAL mapping types, etc.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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*/
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class Statement implements \IteratorAggregate, DriverStatement
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{
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/**
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* The SQL statement.
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*
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* @var string
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*/
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protected $sql;
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/**
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* The bound parameters.
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*
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* @var array
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*/
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protected $params = array();
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/**
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* The parameter types.
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*
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* @var array
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*/
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protected $types = array();
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/**
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* The underlying driver statement.
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*
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* @var \Doctrine\DBAL\Driver\Statement
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*/
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protected $stmt;
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/**
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* The underlying database platform.
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*
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* @var \Doctrine\DBAL\Platforms\AbstractPlatform
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*/
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protected $platform;
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/**
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* The connection this statement is bound to and executed on.
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*
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* @var \Doctrine\DBAL\Connection
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*/
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protected $conn;
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/**
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* Creates a new <tt>Statement</tt> for the given SQL and <tt>Connection</tt>.
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*
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* @param string $sql The SQL of the statement.
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* @param \Doctrine\DBAL\Connection $conn The connection on which the statement should be executed.
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*/
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public function __construct($sql, Connection $conn)
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{
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$this->sql = $sql;
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$this->stmt = $conn->getWrappedConnection()->prepare($sql);
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$this->conn = $conn;
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$this->platform = $conn->getDatabasePlatform();
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}
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/**
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* Binds a parameter value to the statement.
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*
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* The value can optionally be bound with a PDO binding type or a DBAL mapping type.
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* If bound with a DBAL mapping type, the binding type is derived from the mapping
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* type and the value undergoes the conversion routines of the mapping type before
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* being bound.
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*
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* @param string $name The name or position of the parameter.
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* @param mixed $value The value of the parameter.
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* @param mixed $type Either a PDO binding type or a DBAL mapping type name or instance.
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*
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* @return boolean TRUE on success, FALSE on failure.
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*/
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public function bindValue($name, $value, $type = null)
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{
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$this->params[$name] = $value;
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$this->types[$name] = $type;
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if ($type !== null) {
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if (is_string($type)) {
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$type = Type::getType($type);
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}
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if ($type instanceof Type) {
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$value = $type->convertToDatabaseValue($value, $this->platform);
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$bindingType = $type->getBindingType();
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} else {
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$bindingType = $type; // PDO::PARAM_* constants
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}
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return $this->stmt->bindValue($name, $value, $bindingType);
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} else {
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return $this->stmt->bindValue($name, $value);
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}
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}
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/**
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* Binds a parameter to a value by reference.
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*
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* Binding a parameter by reference does not support DBAL mapping types.
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*
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* @param string $name The name or position of the parameter.
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* @param mixed $var The reference to the variable to bind.
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* @param integer $type The PDO binding type.
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* @param integer|null $length Must be specified when using an OUT bind
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* so that PHP allocates enough memory to hold the returned value.
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*
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* @return boolean TRUE on success, FALSE on failure.
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*/
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public function bindParam($name, &$var, $type = PDO::PARAM_STR, $length = null)
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{
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return $this->stmt->bindParam($name, $var, $type, $length);
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}
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/**
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* Executes the statement with the currently bound parameters.
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*
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* @param array|null $params
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*
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* @return boolean TRUE on success, FALSE on failure.
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*
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* @throws \Doctrine\DBAL\DBALException
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*/
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public function execute($params = null)
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{
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if (is_array($params)) {
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$this->params = $params;
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}
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$logger = $this->conn->getConfiguration()->getSQLLogger();
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if ($logger) {
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$logger->startQuery($this->sql, $this->params, $this->types);
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}
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try {
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$stmt = $this->stmt->execute($params);
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} catch (\Exception $ex) {
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throw DBALException::driverExceptionDuringQuery($ex, $this->sql, $this->conn->resolveParams($this->params, $this->types));
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}
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if ($logger) {
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$logger->stopQuery();
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}
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$this->params = array();
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$this->types = array();
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return $stmt;
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}
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/**
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* Closes the cursor, freeing the database resources used by this statement.
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*
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* @return boolean TRUE on success, FALSE on failure.
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*/
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public function closeCursor()
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{
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return $this->stmt->closeCursor();
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}
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/**
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* Returns the number of columns in the result set.
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*
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* @return integer
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*/
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public function columnCount()
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{
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return $this->stmt->columnCount();
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}
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/**
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* Fetches the SQLSTATE associated with the last operation on the statement.
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*
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* @return string
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*/
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public function errorCode()
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{
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return $this->stmt->errorCode();
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}
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/**
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* Fetches extended error information associated with the last operation on the statement.
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*
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* @return array
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*/
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public function errorInfo()
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{
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return $this->stmt->errorInfo();
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}
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/**
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* {@inheritdoc}
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*/
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public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
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{
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if ($arg2 === null) {
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return $this->stmt->setFetchMode($fetchMode);
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} else if ($arg3 === null) {
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return $this->stmt->setFetchMode($fetchMode, $arg2);
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}
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return $this->stmt->setFetchMode($fetchMode, $arg2, $arg3);
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}
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/**
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* Required by interface IteratorAggregate.
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*
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* {@inheritdoc}
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*/
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public function getIterator()
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{
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return $this->stmt;
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}
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/**
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* Fetches the next row from a result set.
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*
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* @param integer|null $fetchMode
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*
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* @return mixed The return value of this function on success depends on the fetch type.
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* In all cases, FALSE is returned on failure.
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*/
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public function fetch($fetchMode = null)
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{
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return $this->stmt->fetch($fetchMode);
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}
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/**
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* Returns an array containing all of the result set rows.
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*
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* @param integer|null $fetchMode
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* @param mixed $fetchArgument
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*
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* @return array An array containing all of the remaining rows in the result set.
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*/
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public function fetchAll($fetchMode = null, $fetchArgument = 0)
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{
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if ($fetchArgument !== 0) {
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return $this->stmt->fetchAll($fetchMode, $fetchArgument);
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}
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return $this->stmt->fetchAll($fetchMode);
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}
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/**
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* Returns a single column from the next row of a result set.
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*
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* @param integer $columnIndex
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*
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* @return mixed A single column from the next row of a result set or FALSE if there are no more rows.
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*/
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public function fetchColumn($columnIndex = 0)
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{
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return $this->stmt->fetchColumn($columnIndex);
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}
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/**
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* Returns the number of rows affected by the last execution of this statement.
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*
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* @return integer The number of affected rows.
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*/
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public function rowCount()
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{
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return $this->stmt->rowCount();
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}
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/**
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* Gets the wrapped driver statement.
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*
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* @return \Doctrine\DBAL\Driver\Statement
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*/
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public function getWrappedStatement()
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{
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return $this->stmt;
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}
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}
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