Check to insure the OPTCOMPIND is set to 0 in the informix onconfg file.
OPTCOMPIND 2 # To hint the optimizer
To:
OPTCOMPIND 0 # To hint the optimizer
(hpomp89i)$ cat rro_table.dat PG4 08/16/2008 PG2 08/16/2008 QNN 08/18/2008 PG3 08/17/2008 QCC 08/18/2008 Mon Aug 18 17:10:06 OK Fetch Initiated Mon Aug 18 18:00:01 IDLE Inserted request for rro(PG2), date(08/16/2008) from blue to Mon Aug 18 18:00:01 IDLE Inserted request for rro(QNN), date(08/18/2008) from blue to Mon Aug 18 18:00:01 server_localhost_40000 Mon Aug 18 18:00:01 FETCH OCY/DIY (PG2, 20080816) from blue to Mon Aug 18 18:00:02 OK Fetch Initiated Mon Aug 18 18:00:02 server_localhost_40001 Mon Aug 18 18:00:02 FETCH OCY/DIY (QNN, 20080818) from blue to Mon Aug 18 18:00:03 OK Fetch Initiated Mon Aug 18 18:00:21 server_localhost_40000 Mon Aug 18 18:00:21 FETCH OCY/DIY (PG3, 20080817) from blue to Mon Aug 18 18:00:22 OK Fetch Initiated Mon Aug 18 18:01:09 server_localhost_40001