PDOConnection::getSequenceNumber() - Code Metrics - Inspection of "[WIP] [3.0] Extract getSequenceNumber() from lastI..." - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — develop (#3368)

by Benjamin

created 2018-11-30 01:21 UTC

PDOConnection::getSequenceNumber() A

↳ Parent: PDOConnection

Complexity

Conditions	4
Paths	3

Size

Total Lines	14
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4

Importance

Changes

Metric	Value
eloc	7
dl	0
loc	14
ccs	7
cts	7
cp	1
rs	10
c	0
b	0
f	0
cc	4
nc	3
nop	1
crap	4

<?php

namespace Doctrine\DBAL\Driver;

use PDO;
use PDOException;

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

    /**
     * {@inheritdoc}
     */
    public function exec(string $statement) : int
    {
        try {
            return $this->connection->exec($statement);
        } catch (PDOException $exception) {
            throw self::exceptionFromPDOException($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)
                /** @scrutinizer ignore-type */ $this->connection->prepare($sql)
            );
        } catch (PDOException $exception) {
            throw self::exceptionFromPDOException($exception);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function query(string $sql) : ResultStatement
    {
        try {
            return $this->createStatement(
                $this->connection->query($sql)
                /** @scrutinizer ignore-type */ $this->connection->query($sql)
            );
        } catch (PDOException $exception) {
            throw self::exceptionFromPDOException($exception);
        }
    }

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

    /**
     * {@inheritdoc}
     */
    public function lastInsertId() : string
    {
        try {
            $lastInsertId = $this->connection->lastInsertId();
        } catch (PDOException $e) {
            throw self::exceptionFromPDOException($e);
        }

        // pdo_mysql and others return '0', pdo_sqlsrv returns ''
        if ($lastInsertId === '0' || $lastInsertId === '') {
            throw DriverException::noInsertId();
        }

        return $lastInsertId;
    }

    /**
     * {@inheritdoc}
     */
    public function getSequenceNumber(string $name) : string
    {
        try {
            $lastInsertId = $this->connection->lastInsertId($name);
        } catch (\PDOException $e) {
            throw self::exceptionFromPDOException($e);
        }

        // pdo_mysql and others return '0', pdo_sqlsrv returns ''
        if ($lastInsertId === '0' || $lastInsertId === '') {
            throw DriverException::noSuchSequence($name);
        }

        return $lastInsertId;
    }

    /**
     * {@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();
    }

    /**
     * {@inheritDoc}
     */
    public function errorCode()
    {
        return $this->connection->errorCode();
    }

    /**
     * {@inheritDoc}
     */
    public function errorInfo()
    {
        return $this->connection->errorInfo();
    }

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

    /**
     * Creates a DriverException from a PDOException.
     */
    public static function exceptionFromPDOException(PDOException $exception) : DriverException
    {
        return new DriverException(
            $exception->getMessage(),
            $exception->errorInfo[0] ?? $exception->getCode(),
            $exception->errorInfo[1] ?? $exception->getCode(),
            $exception
        );
    }
}


doctrine / dbal

Pull Request — develop (#3368)

PDOConnection::getSequenceNumber() A

Complexity

Size

Duplication

Code Coverage

Importance

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