Re: Improving planning of outer joins - Mailing list pgsql-hackers

From Christopher Kings-Lynne
Subject Re: Improving planning of outer joins
Date
Msg-id 43A22428.6090208@familyhealth.com.au
Whole thread Raw
In response to Improving planning of outer joins  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
> I'm not sure whether we'd need any additional planner knobs to control
> this.  I think that the existing join_collapse_limit GUC variable should
> continue to exist, but its effect on left/right joins will be the same as
> for inner joins.  If anyone wants to force join order for outer joins more
> than for inner joins, we'd need some other control setting, but I don't
> currently see why that would be very useful.
> 
> Does this seem like a reasonable agenda, or am I thinking too small?
> 
>             regards, tom lane
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend




pgsql-hackers by date:

Previous
From: "Jim C. Nasby"
Date:
Subject: Re: Automatic function replanning
Next
From: Christopher Kings-Lynne
Date:
Subject: Re: [pgadmin-hackers] Client-side password encryption