| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | jim(at)nasby(dot)net |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Why can't you define a table alias on an update? |
| Date: | 2003-06-16 13:42:21 |
| Message-ID: | 2472.1055770941@sss.pgh.pa.us |
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| Lists: | pgsql-general |
"Jim C. Nasby" <jim(at)nasby(dot)net> writes:
> On Sun, Jun 15, 2003 at 06:36:57PM -0400, Tom Lane wrote:
>> It seems like a reasonable extension, but looking at the grammar just
>> now, I think that we'd have to turn SET from an unreserved keyword to a
>> reserved word to make this work. Not sure how many peoples' databases
>> that would break ... but we'd probably get a few complaints ...
> Would it be reasonable to have a setting that enabled/disabled this?
No, unless you want to have two complete bison parsers in there. AFAIK
there's no good way to alter the reserved-word status of a keyword on
the fly. So either we do it, or not.
I'm not necessarily opposed to doing it, I just wanted to raise a flag
and see if anyone reading this thread would complain.
regards, tom lane
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