From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Magnus Hagander <mha(at)sollentuna(dot)net>, Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: comparing rows |
Date: | 2000-08-03 14:24:28 |
Message-ID: | 200008031424.KAA20037@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> Magnus Hagander <mha(at)sollentuna(dot)net> writes:
> > Summary of MS:
> > When it runs in ANSI mode, null != null.
> > When it runs in backwards compatible mode , null=null.
>
> Oh, that's interesting, they fixed their bug.
>
> foo = NULL should produce NULL (*not* true, and *not* false either,
> though it'd act like false in a CASE test).
>
> Here is one vote for ripping out our parser kluge and making null act
> like it should according to the spec. Comments?
I thought our only kludge was allowing = NULL because we got tons of MS
folks complaining in the past before we did this. Are you thinking that
the newer MS versions will not give us a problem.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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