| From: | Neil Conway <neilc(at)samurai(dot)com> |
|---|---|
| To: | William ZHANG <uniware(at)zedware(dot)org> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Proposal for updatable views |
| Date: | 2006-03-14 05:59:12 |
| Message-ID: | 1142315952.8847.100.camel@localhost.localdomain |
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| Thread: | |
| Lists: | pgsql-hackers |
On Sun, 2006-03-12 at 23:39 +0800, William ZHANG wrote:
> Maybe you can fix it like UNIONJOIN.
Indeed, that is one option. Because the syntax is WITH [ LOCAL |
CASCADED ] CHECK OPTION, ISTM we'll actually need three new tokens:
WITH_LOCAL, WITH_CASCADED, and WITH_CHECK, which is even uglier :-( Per
a suggestion from Dennis Bjorklund, it might be cleaner to introduce a
lexer hack for the places where WITH can occur in a SelectStmt, which I
believe is just WITH TIME ZONE.
> But Tom said he want to remove the support for UNION JOIN and save the
> overhead
It would be unfortunate to revert the change, but I doubt the overhead
is very significant. Does anyone have any better suggestions for how to
resolve the problem? (My Bison-foo is weak, I have to confess...)
-Neil
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