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PreparedQuery.php
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<?php /** * This file is part of CodeIgniter 4 framework. * * (c) CodeIgniter Foundation <admin@codeigniter.com> * * For the full copyright and license information, please view * the LICENSE file that was distributed with this source code. */ namespace CodeIgniter\Database\SQLSRV; use BadMethodCallException; use CodeIgniter\Database\BasePreparedQuery; use CodeIgniter\Database\Exceptions\DatabaseException; /** * Prepared query for Postgre * * @extends BasePreparedQuery<resource, resource, resource> */ class PreparedQuery extends BasePreparedQuery { /** * Parameters array used to store the dynamic variables. * * @var array */ protected $parameters = []; /** * A reference to the db connection to use. * * @var Connection */ protected $db; public function __construct(Connection $db) { parent::__construct($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 array $options Options takes an associative array; * * @throws DatabaseException */ public function _prepare(string $sql, array $options = []): PreparedQuery { // Prepare parameters for the query $queryString = $this->getQueryString(); $parameters = $this->parameterize($queryString); // Prepare the query $this->statement = sqlsrv_prepare($this->db->connID, $sql, $parameters); if (! $this->statement) { if ($this->db->DBDebug) { throw new DatabaseException($this->db->getAllErrorMessages()); } $info = $this->db->error(); $this->errorCode = $info['code']; $this->errorString = $info['message']; } return $this; } /** * Takes a new set of data and runs it against the currently * prepared query. */ public function _execute(array $data): bool { if (! isset($this->statement)) { throw new BadMethodCallException('You must call prepare before trying to execute a prepared statement.'); } foreach ($data as $key => $value) { $this->parameters[$key] = $value; } $result = sqlsrv_execute($this->statement); if ($result === false && $this->db->DBDebug) { throw new DatabaseException($this->db->getAllErrorMessages()); } return $result; } /** * Returns the statement resource for the prepared query or false when preparing failed. * * @return resource|null */ public function _getResult() { return $this->statement; } /** * Deallocate prepared statements. */ protected function _close(): bool { return sqlsrv_free_stmt($this->statement); } /** * Handle parameters. */ protected function parameterize(string $queryString): array { $numberOfVariables = substr_count($queryString, '?'); $params = []; for ($c = 0; $c < $numberOfVariables; $c++) { $this->parameters[$c] = null; $params[] = &$this->parameters[$c]; } return $params; } }