Doctrine\DBAL\Driver\PDOConnection

Complexity

Total Complexity

19

Size/Duplication

Total Lines	139
Duplicated Lines	0 %

Test Coverage

Coverage

95.65%

Importance

Changes

0

13 Methods

Rating	Name	Duplication	Size	Complexity
A	requiresQueryForServerVersion()	0	3	1
A	query()	0	9	2
A	prepare()	0	8	2
A	__construct()	0	7	2
A	beginTransaction()	0	3	1
A	commit()	0	3	1
A	getServerVersion()	0	3	1
A	rollBack()	0	3	1
A	lastInsertId()	0	10	3
A	createStatement()	0	3	1
A	exec()	0	6	2
A	quote()	0	3	1
A	getWrappedConnection()	0	3	1

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Driver;

use PDO;
use function assert;

/**
 * PDO implementation of the Connection interface.
 *
 * Used by all PDO-based drivers.
 */
class PDOConnection implements Connection, ServerInfoAwareConnection
{
    /** @var PDO */
    private $connection;

    /**
     * @param string       $dsn
     * @param string|null  $user
     * @param string|null  $password
     * @param mixed[]|null $options
     *
     * @throws PDOException In case of an error.
     */
    public function __construct($dsn, $user = null, $password = null, ?array $options = null)
    {
        try {
            $this->connection = new PDO($dsn, (string) $user, (string) $password, (array) $options);
            $this->connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function exec(string $statement) : int
    {
        try {
            return $this->connection->exec($statement);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function getServerVersion()
    {
        return $this->connection->getAttribute(PDO::ATTR_SERVER_VERSION);
    }

    /**
     * {@inheritdoc}
     */
    public function prepare(string $sql) : Statement
    {
        try {
            return $this->createStatement(
                $this->connection->prepare($sql)

It seems like $this->connection->prepare($sql) can also be of type boolean; however, parameter $stmt of Doctrine\DBAL\Driver\PDOConnection::createStatement() does only seem to accept PDOStatement, maybe add an additional type check?

            );
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function query(string $sql) : ResultStatement
    {
        try {
            $stmt = $this->connection->query($sql);
            assert($stmt instanceof \PDOStatement);

            return $this->createStatement($stmt);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function quote(string $input) : string
    {
        return $this->connection->quote($input);
    }

    /**
     * {@inheritdoc}
     */
    public function lastInsertId($name = null)
    {
        try {
            if ($name === null) {
                return $this->connection->lastInsertId();
            }

            return $this->connection->lastInsertId($name);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function requiresQueryForServerVersion()
    {
        return false;
    }

    /**
     * Creates a wrapped statement
     */
    protected function createStatement(\PDOStatement $stmt) : PDOStatement
    {
        return new PDOStatement($stmt);
    }

    /**
     * {@inheritDoc}
     */
    public function beginTransaction() : void
    {
        $this->connection->beginTransaction();
    }

    /**
     * {@inheritDoc}
     */
    public function commit() : void
    {
        $this->connection->commit();
    }

    /**
     * {@inheritDoc}
     */
    public function rollBack() : void
    {
        $this->connection->rollBack();
    }

    public function getWrappedConnection() : PDO
    {
        return $this->connection;
    }
}