Re: immutable functions vs. join for lookups ? - Mailing list pgsql-performance

From Christopher Kings-Lynne
Subject Re: immutable functions vs. join for lookups ?
Date
Msg-id 42661860.6040105@familyhealth.com.au
Whole thread Raw
In response to Re: immutable functions vs. join for lookups ?  (Dawid Kuroczko <qnex42@gmail.com>)
List pgsql-performance
> Yay!  You're right!  I wonder why have I forgotten about LANGUAGE SQL. :)
> It's 30 seconds vs 5 seconds for CASE ... END insisde PLpgsql vs CASE...END
> LANGUAGE SQL. :)  I.e. its almost the same as in-place entered SQL.
>
>   Regards,
>       Dawid
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
>       joining column's datatypes do not match


pgsql-performance by date:

Previous
From: John A Meinel
Date:
Subject: Re: Joel's Performance Issues WAS : Opteron vs Xeon
Next
From: Christopher Browne
Date:
Subject: Re: Opteron vs Xeon