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99 lines
2.7 KiB
PHP
99 lines
2.7 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\DB;
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use Doctrine\DBAL\Statement;
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use OCP\DB\IPreparedStatement;
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use OCP\DB\IResult;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use PDO;
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/**
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* Adapts our public API to what doctrine/dbal exposed with 2.6
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*
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* The old dbal statement had stateful methods e.g. to fetch data from an executed
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* prepared statement. To provide backwards compatibility to apps we need to make
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* this class stateful. As soon as those now deprecated exposed methods are gone,
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* we can limit the API of this adapter to the methods that map to the direct dbal
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* methods without much magic.
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*/
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class PreparedStatement implements IPreparedStatement {
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use TDoctrineParameterTypeMap;
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/** @var Statement */
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private $statement;
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/** @var IResult|null */
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private $result;
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public function __construct(Statement $statement) {
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$this->statement = $statement;
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}
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public function closeCursor(): bool {
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$this->getResult()->closeCursor();
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return true;
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}
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public function fetch(int $fetchMode = PDO::FETCH_ASSOC) {
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return $this->getResult()->fetch($fetchMode);
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}
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public function fetchAll(int $fetchMode = PDO::FETCH_ASSOC): array {
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return $this->getResult()->fetchAll($fetchMode);
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}
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public function fetchColumn() {
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return $this->getResult()->fetchOne();
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}
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public function fetchOne() {
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return $this->getResult()->fetchOne();
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}
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public function bindValue($param, $value, $type = IQueryBuilder::PARAM_STR): bool {
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$this->statement->bindValue($param, $value, $this->convertParameterTypeToDoctrine($type));
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return true;
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}
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public function bindParam($param, &$variable, $type = IQueryBuilder::PARAM_STR, $length = null): bool {
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if ($type !== IQueryBuilder::PARAM_STR) {
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\OC::$server->getLogger()->warning('PreparedStatement::bindParam() is no longer supported. Use bindValue() instead.', ['exception' => new \BadMethodCallException('bindParam() is no longer supported')]);
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}
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$this->bindValue($param, $variable, $type);
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return true;
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}
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public function execute($params = null): IResult {
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if ($params !== null) {
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foreach ($params as $key => $param) {
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if (is_int($key)) {
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// Parameter count starts with 1
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$this->bindValue($key + 1, $param);
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} else {
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$this->bindValue($key, $param);
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}
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}
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}
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return ($this->result = new ResultAdapter($this->statement->executeQuery()));
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}
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public function rowCount(): int {
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return $this->getResult()->rowCount();
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}
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private function getResult(): IResult {
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if ($this->result !== null) {
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return $this->result;
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}
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throw new \Exception("You have to execute the prepared statement before accessing the results");
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}
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}
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