Re: A Guide to Constraint Exclusion (Partitioning)

Greg Stark <gsstark@mit.edu> writes:
> That was the detail I was missing. I'm surprised because I actually tested
> this before I sent the message and saw a plan like this with a single
> sequential scan node despite the three child tables:

> staging=> explain select * from _test where a=1;
>                       QUERY PLAN                      
> ------------------------------------------------------
>  Seq Scan on _test  (cost=0.00..22.50 rows=5 width=4)
>    Filter: (a = 1)
> (2 rows)

Uh, maybe you have sql_inheritance turned off?  Every version I can
remember would show you a pretty explicit Append plan for inheritance
scans...
        regards, tom lane