Jean,
> I have the following structure in my base 7.4.2
Upgrade to 7.4.5. The version you're using has several known issues with data
restore in the event of system failure.
> Hash Join (cost=8.27..265637.59 rows=25 width=130)
> Hash Cond: ("outer".rub_id = "inner".rub_id)
> -> Seq Scan on article (cost=0.00..215629.00 rows=10000000 width=108)
> -> Hash (cost=8.26..8.26 rows=3 width=22)
> -> Index Scan using rubrique_parent on rubrique
> (cost=0.00..8.26 rows=3 width=22)
> Index Cond: (rub_parent = 8)
Those look suspiciously like stock estimates. When was the last time you ran
ANALYZE?
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco