Message: mysql_errno(): XXX is not a valid MySQL-Link resource #27
Description
there are many database operation on a controller. every db operation operate by clone ($_db = clone $this -> db). the page show some notice:
A PHP Error was encountered
Severity: Warning
Message: mysql_errno(): 31 is not a valid MySQL-Link resource
Filename: mysql/mysql_driver.php
Line Number: 470
A PHP Error was encountered
Severity: Warning
Message: mysql_error(): 31 is not a valid MySQL-Link resource
Filename: mysql/mysql_driver.php
Line Number: 457
A Database Error Occurred
Error Number:
SELECT * FROM ....
when i delete some db operation , the page shows correct.
is there anyone meets this problem?