| From: | Thomas Lockhart <lockhart(at)fourpalms(dot)org> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | colejatmsu(dot)edu(at)postgresql(dot)org, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Bug #633: CASE statement evaluation does not short-circut |
| Date: | 2002-04-16 02:33:05 |
| Message-ID: | 3CBB8D61.7F2498CA@fourpalms.org |
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| Thread: | |
| Lists: | pgsql-bugs pgsql-hackers |
...
> I don't really consider this a bug; at least, fixing it would imply not
> const-simplifying the result expressions of CASEs, which is a cure far
> worse than the disease IMHO. Does anyone think we *should* allow CASE
> to defeat const-simplification?
No. Constant-folding during parsing should *always* be allowed.
- Thomas
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