From: | "Thomas G(dot) Lockhart" <lockhart(at)alumni(dot)caltech(dot)edu> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Marc Howard Zuckman <marc(at)fallon(dot)classyad(dot)com>, pgsql-sql(at)hub(dot)org, pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Re: [SQL] Functional Indexes |
Date: | 1999-02-08 15:56:12 |
Message-ID: | 36BF091C.4D06527B@alumni.caltech.edu |
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Lists: | pgsql-hackers pgsql-sql |
> > I don't think lower is defined for varchar arguments.
> Note to hackers: is there a good reason why indexes are more
> restrictive? Offhand it seems like the same physical-equivalence
> trick could be applied.
Well, we should have a combination of "binary compatible" and type
coersion to make this fly, just as we have in other places for v6.4. I
didn't realize this index code was there, so never looked at it.
If someone else doesn't get to it, I'll try to look at it before or
during 6.5beta...
- Tom
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