Doctrine\DBAL\Driver\FetchUtils

Complexity

Total Complexity

14

Size/Duplication

Total Lines	99
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	fetchAllAssociative()	0	9	2
A	fetchAllNumeric()	0	9	2
A	iterateColumn()	0	4	2
A	iterateAssociative()	0	4	2
A	fetchOne()	0	9	2
A	iterateNumeric()	0	4	2
A	fetchColumn()	0	9	2

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Driver;

use Traversable;

/**
 * @internal
 */
final class FetchUtils
{
    /**
     * @return mixed|false
     *
     * @throws DriverException
     */
    public static function fetchOne(ResultStatement $stmt)
    {
        $row = $stmt->fetchNumeric();

        if ($row === false) {
            return false;
        }

        return $row[0];
    }

    /**
     * @return array<int,array<int,mixed>>
     *
     * @throws DriverException
     */
    public static function fetchAllNumeric(ResultStatement $stmt) : array
    {
        $rows = [];

        while (($row = $stmt->fetchNumeric()) !== false) {
            $rows[] = $row;
        }

        return $rows;
    }

    /**
     * @return array<int,array<string,mixed>>
     *
     * @throws DriverException
     */
    public static function fetchAllAssociative(ResultStatement $stmt) : array
    {
        $rows = [];

        while (($row = $stmt->fetchAssociative()) !== false) {
            $rows[] = $row;
        }

        return $rows;
    }

    /**
     * @return array<int,mixed>
     *
     * @throws DriverException
     */
    public static function fetchColumn(ResultStatement $stmt) : array
    {
        $rows = [];

        while (($row = $stmt->fetchOne()) !== false) {
            $rows[] = $row;
        }

        return $rows;
    }

    /**
     * @return Traversable<int,array<int,mixed>>
     *
     * @throws DriverException
     */
    public static function iterateNumeric(ResultStatement $stmt) : Traversable
    {
        while (($row = $stmt->fetchNumeric()) !== false) {
            yield $row;
        }
    }

    /**
     * @return Traversable<int,array<string,mixed>>
     *
     * @throws DriverException
     */
    public static function iterateAssociative(ResultStatement $stmt) : Traversable
    {
        while (($row = $stmt->fetchAssociative()) !== false) {
            yield $row;
        }
    }

    /**
     * @return Traversable<int,mixed>
     *
     * @throws DriverException
     */
    public static function iterateColumn(ResultStatement $stmt) : Traversable
    {
        while (($row = $stmt->fetchOne()) !== false) {
            yield $row;
        }
    }
}