"Rajesh Kumar Mallah." <mallah(at)trade-india(dot)com> writes:
> It is PostgreSQL 7.3.0 on Linux.
Try 7.3.1 then. I think this is this problem:
2002-12-06 14:28 tgl
* src/backend/commands/explain.c (REL7_3_STABLE): Explain's code
for showing quals of SubqueryScan nodes has been broken all along;
not noticed till now. It's a scan not an upper qual ...
regards, tom lane