On Fri, Jul 20, 2012 at 6:19 PM, Ioannis Anagnostopoulos
<ioannis@anatec.com> 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?