| From: | Marek Lewczuk <newsy(at)lewczuk(dot)com> |
|---|---|
| To: | Richard Huxton <dev(at)archonet(dot)com> |
| Cc: | Alexander Litvinov <lan(at)ac-sw(dot)com>, Lista dyskusyjna pgsql-general <pgsql-general(at)postgresql(dot)org>, Lista dyskusyjna pgsql-bugs <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: [GENERAL] CASE in where statement. BUG ?? |
| Date: | 2003-12-19 09:59:43 |
| Message-ID: | 3FE2CC0F.2000707@lewczuk.com |
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| Thread: | |
| Lists: | pgsql-bugs pgsql-general |
Richard Huxton wrote:
> On Friday 19 December 2003 09:02, Marek Lewczuk wrote:
>
> But until it's evaluated ''<>'' it doesn't know it is false. When building the
> CASE expression, it's trying to map types to each elements and notes that ''
> is not an int. Only after this stage will it actually try to evaluate the
> expression.
>
Well, I must say that it is wird action... Why to check both elements of
CASE expression, if we know for sure that only one will be executed ?
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