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Re: Fixing row comparison semantics
- From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
- To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Cc: pgsql-hackers(at)postgresql(dot)org
- Subject: Re: Fixing row comparison semantics
- Date: Sat, 24 Dec 2005 17:25:34 +0800
- Message-id: <43AD140E(dot)80405(at)familyhealth(dot)com(dot)au>
I've gotten interested again in the issue of row comparisons, eg (a, b, c) >= (1, 2, 3) We've discussed this before, the most comprehensive thread being http://archives.postgresql.org/pgsql-performance/2004-07/msg00188.php but nothing's gotten done. Unless someone's already working on this I think I will take it up.
Can someone explain to me how: (a, b) < (1, 2) is different to a < 1 and b < 2 ? Chris
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