102 lines
2.9 KiB
PHP
102 lines
2.9 KiB
PHP
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<?php
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declare(strict_types=1);
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/*
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* @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @author 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OC\DB;
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use Doctrine\DBAL\Exception;
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use Doctrine\DBAL\ParameterType;
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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 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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/** @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 = ParameterType::STRING): bool {
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return $this->statement->bindValue($param, $value, $type);
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}
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public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null): bool {
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return $this->statement->bindParam($param, $variable, $type, $length);
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}
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public function execute($params = null): IResult {
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return ($this->result = new ResultAdapter($this->statement->execute($params)));
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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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