Re: Query performance issue

>
> A really interesting part is the sort near the bottom -
>
> -> Sort (cost=1895.95..1896.49 rows=215 width=61) (actual
> time=25.926..711784.723 rows=2673340321 loops=1)
> Sort Key: memmst.memshpsta
> Sort Method: quicksort Memory: 206kB
> -> Nested Loop (cost=0.01..1887.62 rows=215 width=61) (actual
> time=0.088..23.445 rows=1121 loops=1)
>
> How can a sort ge 1121 rows at the input and return 2673340321 rows at
the
> output? Not sure where this comes from.
>
> BTW what PostgreSQL version is this?
PostgreSQL 9.0.4 on x86_64-pc-solaris2.10

Regards,
Jayadevan

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