Re: Add RESPECT/IGNORE NULLS and FROM FIRST/LAST options

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

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

To: Vik Fearing <vik@postgresfriends.org>

Cc: Tatsuo Ishii <ishii@sraoss.co.jp>, andrew@tao11.riddles.org.uk, pgsql-hackers@postgresql.org, david@fetter.org, ojford@gmail.com, krasiyan@gmail.com

Date: 2023-04-22T17:52:55Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Fix coding style with "else".
- 20628b62e46e 19 (unreleased) landed
Fix multi WinGetFuncArgInFrame/Partition calls with IGNORE NULLS.
- 2d7b247cb414 19 (unreleased) landed
Fix Coverity issue reported in commit 2273fa32bce.
- dd766a441d69 19 (unreleased) landed
Use ereport rather than elog in WinCheckAndInitializeNullTreatment.
- 5f3808646f67 19 (unreleased) landed
Avoid uninitialized-variable warnings from older compilers.
- 71540dcdcb22 19 (unreleased) cited
Fix Coverity issues reported in commit 25a30bbd423.
- 2273fa32bce7 19 (unreleased) landed
Improve EXPLAIN's display of window functions.
- 8b1b342544b6 18.0 cited
Automatically generate node support functions
- 964d01ae90c3 16.0 cited

Vik Fearing <vik@postgresfriends.org> writes:
> On 4/22/23 14:14, Tatsuo Ishii wrote:
>> Note that RESPECT/IGNORE are not registered as reserved keywords in
>> this patch (but registered as unreserved keywords). I am not sure if
>> this is acceptable or not.

> For me, this is perfectly okay.  Keep them at the lowest level of 
> reservation as possible.

Yeah, keep them unreserved if at all possible.  Any higher reservation
level risks breaking existing applications that might be using these
words as column or function names.

			regards, tom lane