Doctrine\DBAL\Driver\PDOConnection

Complexity

Total Complexity

14

Size/Duplication

Total Lines	98
Duplicated Lines	0 %

Test Coverage

Coverage

93.94%

Importance

Changes

0

8 Methods

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

<?php

namespace Doctrine\DBAL\Driver;

use Doctrine\DBAL\ParameterType;
use PDO;
use function assert;

/**
 * PDO implementation of the Connection interface.
 * Used by all PDO-based drivers.
 */
class PDOConnection extends PDO implements Connection, ServerInfoAwareConnection
{
    /**
     * @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 $options = null)
    {
        try {
            parent::__construct($dsn, (string) $user, (string) $password, (array) $options);
            $this->setAttribute(PDO::ATTR_STATEMENT_CLASS, [PDOStatement::class, []]);
            $this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function exec($statement)
    {
        try {
            return parent::exec($statement);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function getServerVersion()
    {
        return PDO::getAttribute(PDO::ATTR_SERVER_VERSION);
    }

    /**
     * {@inheritdoc}
     */
    public function prepare($prepareString, $driverOptions = [])
    {
        try {
            return parent::prepare($prepareString, $driverOptions);

The expression return parent::prepare($prepareString, $driverOptions) returns the type PDOStatement|boolean which is incompatible with the return type mandated by Doctrine\DBAL\Driver\Connection::prepare() of Doctrine\DBAL\Driver\Statement.

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

    /**
     * {@inheritdoc}
     */
    public function query(...$args)
    {
        try {
            $stmt = parent::query(...$args);

$args is expanded, but the parameter $statement of PDO::query() does not expect variable arguments.

            assert($stmt instanceof \PDOStatement);

            return $stmt;

The expression return $stmt returns the type PDOStatement which is incompatible with the return type mandated by Doctrine\DBAL\Driver\Connection::query() of Doctrine\DBAL\Driver\Statement.

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

    /**
     * {@inheritdoc}
     */
    public function quote($input, $type = ParameterType::STRING)
    {
        return parent::quote($input, $type);
    }

    /**
     * {@inheritdoc}
     */
    public function lastInsertId($name = null)
    {
        try {
            if ($name === null) {
                return parent::lastInsertId();
            }

            return parent::lastInsertId($name);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }

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