Re: Add support for AT LOCAL

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Michael Paquier <michael@paquier.xyz>

Cc: Noah Misch <noah@leadboat.com>, Thomas Munro <thomas.munro@gmail.com>, Vik Fearing <vik@postgresfriends.org>, cary huang <hcary328@gmail.com>, pgsql-hackers@lists.postgresql.org

Date: 2023-10-16T13:54:41Z

Lists: pgsql-hackers

Michael Paquier <michael@paquier.xyz> writes:
> Perhaps that's a stupid question..  But a server running under this
> environment fails the two following queries even for older branches,
> right?
> select timezone('UTC', '23:59:59.99-07'::timetz);
> select timezone('UTC', '23:59:00-07'::timetz);

One would expect, since the AT LOCAL syntax is just sugar for that.

I'm mighty tempted though to (a) add coverage for timetz_izone
to HEAD, and (b) backpatch the new tests, sans the AT LOCAL case,
to the back branches (maybe not v11).

			regards, tom lane

Commits

Dodge a compiler bug affecting timetz_zone/timetz_izone.
- f4f55d5124a9 13.13 landed
- e98f47d570a2 11.22 landed
- d8c2877b9efa 12.17 landed
- 85c9dda81887 14.10 landed
- 5463319acd19 15.5 landed
- 1ad3a7bd396a 16.1 landed
- 19fa977311b9 17.0 landed
Back-patch test cases for timetz_zone/timetz_izone.
- fdf8b70a51cf 13.13 landed
- dc159b95d921 14.10 landed
- b18781c2df44 12.17 landed
- 4a427b82cf19 16.1 landed
- 29231dbd40cb 15.5 landed
- 05b4614decac 11.22 landed
Add regression test coverage for timetz_izone().
- 2f047203074c 17.0 landed
Add support for AT LOCAL
- 97957fdbaa42 17.0 landed
doc: Mention timezone(zone, time) in section for AT TIME ZONE
- 7e1f544827ec 17.0 landed
Use HASH_BLOBS for xidhash.
- a1b8aa1e4eec 14.0 cited