Hi again
[..]
>
> QUERY PLAN
> -------------------------------------------------------------------------
> Seq Scan on orders (cost=0.00..12184.14 rows=29526 width=33)
> Filter: (NOT (hashed subplan))
> SubPlan
> -> Seq Scan on orders_items (cost=0.00..0.00 rows=1 width=33)
>
> After the vacuum, the plan is like this:
>
> QUERY PLAN
> --------------------------------------------------------------------------------
> Seq Scan on fsi_orders (cost=0.00..40141767.46 rows=29526 width=33)
> Filter: (NOT (subplan))
> SubPlan
> -> Seq Scan on fsi_orders_items (cost=0.00..1208.12 rows=60412
> width=33)
>
This, of course, should be "orders", not "fsi_orders", and "orders_items",
not "fsi_orders_items". Sorry for the confusion.
Additional info: I'm running PostgreSQL 7.4.8.
Thanks,
Guðmundur.
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
