>>> Daniele Varrazzo <[EMAIL PROTECTED]> wrote: 
 
>      select count(*) from foo
>      where foo.account_id in (
>          select id from accounts where system = 'abc');
 
>   Total runtime: 13412.226 ms
 
Out of curiosity, how does it do with the logically equivalent?:
 
select count(*) from foo
where exists (select * from accounts
  where accounts.id = foo.account_id
    and accounts.system = 'abc');
 
-Kevin

-- 
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

Reply via email to