/**
* execute an SQL statement
*
* @param string $sql SQL statement to execute
* @param bool $force true to use force updates even in safe requests
*
* @return mixed result Statement or false if error
*/
private function execSql($sql, $force = false)
{
if ($force) {
$this->db->setForce(true);
}
$result = $this->db->query($sql);
if (!$result) {
$this->lastError = $this->db->errorInfo();
$this->lastErrNo = $this->db->errorCode();
}
return $result;
}
