Re: Proposals for EXPLAIN: rename ANALYZE to EXECUTE and extend VERBOSE
Nikolay Samokhvalov <samokhvalov@gmail.com>
From: Nikolay Samokhvalov <samokhvalov@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org
Date: 2024-11-05T18:19:25Z
Lists: pgsql-hackers
On Tue, Nov 5, 2024 at 10:16 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Nikolay Samokhvalov <samokhvalov@gmail.com> writes:
> > 1) EXPLAIN ANALYZE Is sometimes very confusing (because there is
> ANALYZE).
> > Let's rename it to EXPLAIN EXECUTE?
>
> This has got far too many years of history to be renamed now.
>
This is a really, really strange argument. Postgres keeps receiving new
audiences at larger and larger scale. And they are confused.
It's better late than never. I didn't believe we would have "quit" working
in psql.
>
> > 2) VERBOSE doesn't include BUFFERS, and doesn't include SETTINGS; it
> might
> > be also confusing sometimes. Let's include them so VERBOSE would be
> really
> > verbose?
>
> This is not likely to fly for compatibility reasons.
>
Can you elaborate?
>
> > 3) small thing about grammar: allow omitting parentheses, so EXPLAIN
> > EXECUTE VERBOSE would work.
>
> The reason for the parens is that the other way would require reserving
> all these options as keywords.
>
turns out, EXPLAIN ANALYZE VERBOSE already working (it's just not as
verbose as one might expect_:
test=# explain analyze verbose select;
QUERY PLAN
------------------------------------------
Result (cost=0.00..0.01 rows=1 width=0)
(1 row)
Commits
-
Fix further fallout from EXPLAIN ANALYZE BUFFERS change
- 89988ac5891b 18.0 landed
-
Add missing BUFFERS OFF in regression tests, take 2
- 9df2a4b9316f 18.0 landed
-
Add missing BUFFERS OFF in select_into regression tests
- 9fa1aaa6525a 18.0 landed
-
Enable BUFFERS with EXPLAIN ANALYZE by default
- c2a4078ebad7 18.0 landed