Re: Runtime pruning problem - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Runtime pruning problem
Date
Msg-id CA+TgmoZD3=Khv1BrLPYDNc3btq4=go-RyXzhETBHw4gZLDjiRQ@mail.gmail.com
Whole thread Raw
In response to Re: Runtime pruning problem  (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>)
Responses Re: Runtime pruning problem
List pgsql-hackers
On Tue, Apr 16, 2019 at 10:49 PM Amit Langote
<Langote_Amit_f8@lab.ntt.co.jp> wrote:
> Maybe, not show them?  That may be a bit inconsistent, because the point
> of VERBOSE is to the targetlist among other things, but maybe the users
> wouldn't mind not seeing it on such empty Append nodes.  OTOH, they are
> more likely to think seeing a subplan that's clearly prunable as a bug of
> the pruning logic.

Or maybe we could show them, but the Append could also be flagged in
some way that indicates that its child is only a dummy.

Everything Pruned: Yes

Or something.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: block-level incremental backup
Next
From: Andres Freund
Date:
Subject: Re: block-level incremental backup