| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Steve Prentice <prentice(at)cisco(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PATCH] 8.5 plpgsql change for named notation: treat word following AS keyword as label v2 |
| Date: | 2009-05-21 19:05:33 |
| Message-ID: | 162867790905211205i76833f8coa9361ee3df9380e2@mail.gmail.com |
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| Lists: | pgsql-hackers |
2009/5/21 Josh Berkus <josh(at)agliodbs(dot)com>:
>
>> The patch adds the "AS" keyword to the plpgsql grammar and doesn't
>> assign an expression parameter to the sql construct if the scalar
>> follows the AS keyword.
>
> Would it be possible to also support "=" as well as "as"? I believe that
> SQL Server uses "=" exclusively, and supporting that syntax would help
> people port TSQL-based applications.
>
No, it not possible, or not simply . This is ambiguous. a = 10 should
be normal boolean expression. I didn't use T-SQL many years, but I
thing, so in T-SQL this problem is solved with variables prefixes @.
regards
Pavel Stehule
> --
> Josh Berkus
> PostgreSQL Experts Inc.
> www.pgexperts.com
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