| protected _execute ( string $sql, array $params = [], array $prepareOptions = [] ) : mixed | ||
| $sql | string | SQL statement |
| $params | array | list of params to be bound to query |
| $prepareOptions | array | Options to be used in the prepare statement |
| return | mixed | PDOStatement if query executes with no problem, true as the result of a successful, false on error query returning no rows, such as a CREATE statement, false otherwise |
protected function _execute($sql, $params = array(), $prepareOptions = array())
{
$sql = trim($sql);
if (preg_match('/^(?:CREATE|ALTER|DROP)\\s+(?:TABLE|INDEX)/i', $sql)) {
$statements = array_filter(explode(';', $sql));
if (count($statements) > 1) {
$result = array_map(array($this, '_execute'), $statements);
return array_search(false, $result) === false;
}
}
try {
$query = $this->_connection->prepare($sql, $prepareOptions);
$query->setFetchMode(PDO::FETCH_LAZY);
if (!$query->execute($params)) {
$this->_results = $query;
$query->closeCursor();
return false;
}
if (!$query->columnCount()) {
$query->closeCursor();
if (!$query->rowCount()) {
return true;
}
}
return $query;
} catch (PDOException $e) {
if (isset($query->queryString)) {
$e->queryString = $query->queryString;
} else {
$e->queryString = $sql;
}
throw $e;
}
} /**
* Executes given SQL statement.
*
* @param string $sql SQL statement
* @param array $params list of params to be bound to query (supported only in select)
* @param array $prepareOptions Options to be used in the prepare statement
* @return mixed PDOStatement if query executes with no problem, true as the result of a succesfull, false on error
* query returning no rows, suchs as a CREATE statement, false otherwise
*/
protected function _execute($sql, $params = array(), $prepareOptions = array())
{
$this->_lastAffected = false;
if (strncasecmp($sql, 'SELECT', 6) == 0) {
$prepareOptions += array(PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL);
return parent::_execute($sql, $params, $prepareOptions);
}
try {
$this->_lastAffected = $this->_connection->exec($sql);
if ($this->_lastAffected === false) {
$this->_results = null;
$error = $this->_connection->errorInfo();
$this->error = $error[2];
return false;
}
return true;
} catch (PDOException $e) {
if (isset($query->queryString)) {
$e->queryString = $query->queryString;
} else {
$e->queryString = $sql;
}
throw $e;
}
}
