/**
* Create pdo statement instance using conditions
*
* @return void
*/
protected function _createStatement()
{
$sql = $this->getSql();
if (self::$_preparing == false || !$this->_statement instanceof PDOStatement) {
$this->_statement = $this->_adapter->prepare($sql);
} else {
if ($this->_statement->queryString != $sql) {
$this->_statement = $this->_adapter->prepare($sql);
}
}
if (is_array($this->_params) && count($this->_params) > 0) {
foreach ($this->_params as $key => $val) {
$this->_statement->bindValue(':' . $key, $val);
}
}
Db::addSqlHistory($sql, $this->_params);
}
/**
* Rollback the database transaction
*
* @return void
*/
protected function rollback()
{
$this->db->rollback();
}