paulgoughbooks_old
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<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014-2019 British Columbia Institute of Technology * Copyright (c) 2019-2020 CodeIgniter Foundation * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author CodeIgniter Dev Team * @copyright 2019-2020 CodeIgniter Foundation * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 4.0.0 * @filesource */ namespace CodeIgniter\Database; use CodeIgniter\Database\MySQLi\Connection; use CodeIgniter\Events\Events; /** * Base prepared query */ abstract class BasePreparedQuery implements PreparedQueryInterface { /** * The prepared statement itself. * * @var resource|\mysqli_stmt */ protected $statement; /** * The error code, if any. * * @var integer */ protected $errorCode; /** * The error message, if any. * * @var string */ protected $errorString; /** * Holds the prepared query object * that is cloned during execute. * * @var Query */ protected $query; /** * A reference to the db connection to use. * * @var BaseConnection|MySQLi\Connection */ protected $db; //-------------------------------------------------------------------- /** * Constructor. * * @param \CodeIgniter\Database\ConnectionInterface $db */ public function __construct(ConnectionInterface $db) { $this->db = &$db; } //-------------------------------------------------------------------- /** * Prepares the query against the database, and saves the connection * info necessary to execute the query later. * * NOTE: This version is based on SQL code. Child classes should * override this method. * * @param string $sql * @param array $options Passed to the connection's prepare statement. * @param string $queryClass * * @return mixed */ public function prepare(string $sql, array $options = [], string $queryClass = 'CodeIgniter\\Database\\Query') { // We only supports positional placeholders (?) // in order to work with the execute method below, so we // need to replace our named placeholders (:name) $sql = preg_replace('/:[^\s,)]+/', '?', $sql); /** * @var \CodeIgniter\Database\Query $query */ $query = new $queryClass($this->db); $query->setQuery($sql); if (! empty($this->db->swapPre) && ! empty($this->db->DBPrefix)) { $query->swapPrefix($this->db->DBPrefix, $this->db->swapPre); } $this->query = $query; return $this->_prepare($query->getOriginalQuery(), $options); } //-------------------------------------------------------------------- /** * The database-dependent portion of the prepare statement. * * @param string $sql * @param array $options Passed to the connection's prepare statement. * * @return mixed */ abstract public function _prepare(string $sql, array $options = []); //-------------------------------------------------------------------- /** * Takes a new set of data and runs it against the currently * prepared query. Upon success, will return a Results object. * * @param array $data * * @return ResultInterface */ public function execute(...$data) { // Execute the Query. $startTime = microtime(true); $result = $this->_execute($data); // Update our query object $query = clone $this->query; $query->setBinds($data); $query->setDuration($startTime); // Let others do something with this query Events::trigger('DBQuery', $query); // Return a result object $resultClass = str_replace('PreparedQuery', 'Result', get_class($this)); $resultID = $this->_getResult(); return new $resultClass($this->db->connID, $resultID); } //-------------------------------------------------------------------- /** * The database dependant version of the execute method. * * @param array $data * * @return boolean */ abstract public function _execute(array $data): bool; //-------------------------------------------------------------------- /** * Returns the result object for the prepared query. * * @return mixed */ abstract public function _getResult(); //-------------------------------------------------------------------- /** * Explicitly closes the statement. * * @return null|void */ public function close() { if (! is_object($this->statement)) { return; } $this->statement->close(); } //-------------------------------------------------------------------- /** * Returns the SQL that has been prepared. * * @return string */ public function getQueryString(): string { if (! $this->query instanceof QueryInterface) { throw new \BadMethodCallException('Cannot call getQueryString on a prepared query until after the query has been prepared.'); } return $this->query->getQuery(); } //-------------------------------------------------------------------- /** * A helper to determine if any error exists. * * @return boolean */ public function hasError(): bool { return ! empty($this->errorString); } //-------------------------------------------------------------------- /** * Returns the error code created while executing this statement. * * @return integer */ public function getErrorCode(): int { return $this->errorCode; } //-------------------------------------------------------------------- /** * Returns the error message created while executing this statement. * * @return string */ public function getErrorMessage(): string { return $this->errorString; } //-------------------------------------------------------------------- } |
Commits for paulgoughbooks_old/trunk/system/Database/BasePreparedQuery.php
Revision | Author | Commited | Message |
---|---|---|---|
2 | tporter | Tue 03 Nov, 2020 08:50:21 +0000 | Migration of Paul Goughs Books site to Codeignitor 4 |