| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-novice(at)postgresql(dot)org |
| Cc: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
| Subject: | Re: translating this SQL query from a different dialect |
| Date: | 2006-01-10 20:01:16 |
| Message-ID: | 20060110200115.GA9145@webserv.wug-glas.de |
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| Lists: | pgsql-novice |
am 10.01.2006, um 20:06:26 +0100 mailte A. Kretschmer folgendes:
> am 10.01.2006, um 10:38:59 -0700 mailte Michael Fuhr folgendes:
> > Beware that as written this doesn't handle concurrency. For example:
>
I'm not sure, if this enough to prevent problems:
...
begin
lock table foo in EXCLUSIVE mode ;
select into c count(*) from foo;
...
All other lines are unchanged.
I think/hope, i can prevent all problems, but i'm not sure if there are
problems with Deadlocks.
thanks for the response, Andreas
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Andreas Kretschmer
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