[pgpool-general: 6956] found some messages never output

[sherlockcpp]

Hello,


When reading pgpool's code, I found some messages never output
in function wd_get_failover_result_from_data().


There are two same if condition, so the second condition is always false.
For branch4.1 ,the code is as follows.
------------src/watchdog/wd_commands.c:721--------------------------
723     if (result == NULL)
724         return FAILOVER_RES_ERROR;
725
726     if (result == NULL)
727     {
728         ereport(WARNING,
729                 (errmsg("failover command on watchdog failed"),
730                  errdetail("issue command to watchdog returned NULL")));
731         return FAILOVER_RES_ERROR;
732     }

--------------------------------------


I think the warning messages should be output here, 
And I make a patch for pgpool branch 4.1.


Best regards
sherlockcpp
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