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Re: NULL safe equality operator
- From: Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org>
- To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Cc: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Hackers <pgsql-hackers(at)postgresql(dot)org>
- Subject: Re: NULL safe equality operator
- Date: Fri, 25 Nov 2005 06:50:25 +0100 (CET)
- Message-id: <Pine(dot)LNX(dot)4(dot)44(dot)0511250648580(dot)25251-100000(at)zigo(dot)dhs(dot)org>
On Thu, 24 Nov 2005, Tom Lane wrote: > NOT (x IS DISTINCT FROM y) would be the standard-compliant way of > spelling that. That's the sql99 way. In sql2003 (but not in pg) one can also do X IS NOT DISTINCT FROM y -- /Dennis Björklund
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