| From: | Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at> |
|---|---|
| To: | "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Pete Forman <pete(dot)forman(at)westerngeco(dot)com>, lockhart(at)fourpalms(dot)org, "'pgsql-hackers(at)postgresql(dot)org'" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | AW: AW: AW: Re: tinterval - operator problems on AIX |
| Date: | 2001-01-12 16:07:26 |
| Message-ID: | 11C1E6749A55D411A9670001FA6879633681B2@sdexcsrv1.f000.d0188.sd.spardat.at |
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| Lists: | pgsql-hackers |
> > Yes, the annoyance is, that localtime works for dates before 1970
> > but mktime doesn't. Best would probably be to assume no DST before
> > 1970 on AIX and IRIX.
>
> That seems like a reasonable answer to me, especially since we have
> other platforms that behave that way. How can we do this --- just
> test for isdst = -1 after the call, and assume that means failure?
Since we have tests of the form (tm_isdst > 0) ? ... in other parts of the code
this would imho be sufficient.
BTW, I would use the above check for DST in all parts of the code.
Currently we eighter have (tm_isdst ? ....) or the above form.
Andreas
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