Horton

Re: Propose a new function - list_is_empty

Peter Smith <smithpb2250@gmail.com>

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From: Peter Smith <smithpb2250@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Junwang Zhao <zhjwpku@gmail.com>, Daniel Gustafsson <daniel@yesql.se>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-08-17T22:19:47Z
Lists: pgsql-hackers 
On Thu, Aug 18, 2022 at 1:14 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> I wrote:
> > I'd drop the parens in these particular examples because they are
> > inconsistent with the other parts of the same "if" condition.
>
> After going through the patch I removed most but not all of the
> newly-added parens on those grounds.  I also found a couple more
> spots that could be converted.  Pushed with those changes.
>

Thanks for pushing.

------
Kind Regards,
Peter Smith.
Fujitsu Australia.

Commits

  1. Avoid using list_length() to test for empty list.