Nagy Daniel <nagy.daniel@telekom.hu> writes:
> (gdb) backtrace
> #0 0x0000000000453415 in slot_deform_tuple ()
> #1 0x000000000045383a in slot_getattr ()
> #2 0x0000000000550dac in ExecHashGetHashValue ()
> #3 0x0000000000552a98 in ExecHashJoin ()
> #4 0x0000000000543368 in ExecProcNode ()
> #5 0x0000000000552aa6 in ExecHashJoin ()
> #6 0x0000000000543368 in ExecProcNode ()
Not terribly informative (these binaries are apparently not as
un-stripped as you thought). However, this suggests it's a specific
query going wrong --- "p debug_query_string" in gdb might tell you what.
Please see if you can extract a test case.
regards, tom lane