Re: A very long running query....

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On Fri, Jul 20, 2012 at 6:19 PM, Ioannis Anagnostopoulos
<ioannis@xxxxxxxxxx> wrote:
> "        ->  Nested Loop  (cost=0.00..20942.93 rows=53 width=144) (actual
> time=62.174..17783236.718 rows=387105 loops=1)"
> "              Join Filter: (feed_all_y2012m07.message_copies.msg_id =
> feed_all_y2012m07.ship_pos_messages.msg_id)"
> "              ->  Append  (cost=0.00..19057.93 rows=53 width=33) (actual
> time=62.124..5486473.545 rows=387524 loops=1)"

Misestimated row counts... did you try running an analyze, or upping
statistic targets?

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