Abu Mushayeed <[EMAIL PROTECTED]> writes:
>   The query is as follows and it's explain plan is also attached:

The query itself seems to be a simple join over not too many rows, so
I don't see how it could be taking 24 hours.  What I suspect is you're
incurring lots and lots of invocations of those user-written functions
and one of them has suddenly decided to get very slow.

                        regards, tom lane

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