nextcloud-server/lib/private/DB/ArrayResult.php

136 lines
2.8 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\DB;
use OCP\DB\IResult;
use Override;
use PDO;
/**
* Wrap an array or rows into a result interface
*/
class ArrayResult implements IResult {
protected int $count;
public function __construct(
/** @var array<string, mixed> $rows */
protected array $rows,
) {
$this->count = count($this->rows);
}
#[Override]
public function closeCursor(): bool {
// noop
return true;
}
#[Override]
public function fetch(int $fetchMode = PDO::FETCH_ASSOC) {
$row = array_shift($this->rows);
if (!$row) {
return false;
}
return match ($fetchMode) {
PDO::FETCH_ASSOC => $row,
PDO::FETCH_NUM => array_values($row),
PDO::FETCH_COLUMN => current($row),
default => throw new \InvalidArgumentException('Fetch mode not supported for array result'),
};
}
#[Override]
public function fetchAll(int $fetchMode = PDO::FETCH_ASSOC): array {
return match ($fetchMode) {
PDO::FETCH_ASSOC => $this->rows,
PDO::FETCH_NUM => array_map(static fn (array $row): array => array_values($row), $this->rows),
PDO::FETCH_COLUMN => array_map(static fn (array $row): mixed => current($row), $this->rows),
default => throw new \InvalidArgumentException('Fetch mode not supported for array result'),
};
}
#[Override]
public function fetchColumn() {
return $this->fetchOne();
}
#[Override]
public function fetchOne() {
$row = $this->fetch();
if ($row) {
return current($row);
} else {
return false;
}
}
#[Override]
public function fetchAssociative(): array|false {
$row = $this->fetch();
if ($row) {
/** @var array<string, mixed> $row */
return $row;
} else {
return false;
}
}
#[Override]
public function fetchNumeric(): array|false {
$row = $this->fetch(PDO::FETCH_NUM);
if ($row) {
/** @var list<mixed> $row */
return $row;
} else {
return false;
}
}
#[Override]
public function fetchAllNumeric(): array {
/** @var list<list<mixed>> $result */
$result = $this->fetchAll(PDO::FETCH_NUM);
return $result;
}
#[Override]
public function fetchAllAssociative(): array {
/** @var list<array<string,mixed>> $result */
$result = $this->fetchAll();
return $result;
}
#[Override]
public function fetchFirstColumn(): array {
/** @var list<mixed> $result */
$result = $this->fetchAll(PDO::FETCH_COLUMN);
return $result;
}
#[Override]
public function rowCount(): int {
return $this->count;
}
#[Override]
public function iterateNumeric(): \Traversable {
while (($row = $this->fetchNumeric()) !== false) {
yield $row;
}
}
#[Override]
public function iterateAssociative(): \Traversable {
while (($row = $this->fetchAssociative()) !== false) {
yield $row;
}
}
}