| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | jian he <jian(dot)universality(at)gmail(dot)com>, Francisco Olarte <folarte(at)peoplecall(dot)com>, Michael Bondarenko <work(dot)michael(dot)2956(at)gmail(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org, dgrowleyml(at)gmail(dot)com, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
| Subject: | Re: BUG #18348: Inconsistency with EXTRACT([field] from INTERVAL); |
| Date: | 2024-08-16 15:37:55 |
| Message-ID: | 755165.1723822675@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
Bruce Momjian <bruce(at)momjian(dot)us> writes:
> On Thu, Aug 15, 2024 at 10:45:58PM -0400, Bruce Momjian wrote:
>> I tested master, patch version 2 and patch version 3 with some sample
>> extract() queires, attached. I like patch version 2.
I'm still pretty dissatisfied with both versions :-(
> I think there are two more issues. In patch version 3, when months is
> zero and you check days, you should also check seconds if days is zero.
Eh? v3 does that:
+ else if (interval->day > 0 ||
+ (interval->day == 0 && interval->time >= 0))
But I'm starting to despair of reaching a solution that's actually
self-consistent. Maybe we should leave the DTK_QUARTER behavior
alone, and content ourselves with adding DTK_WEEK.
regards, tom lane
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