From: | "Richard Sydney-Smith" <richard(at)ibisaustralia(dot)com> |
---|---|
To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: How do I replace select ... into commands? |
Date: | 2003-09-12 05:06:57 |
Message-ID: | 002f01c378eb$b3fdaca0$df6c32d2@athlon2000 |
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Thread: | |
Lists: | pgsql-sql |
Thanks that fixed it.
.... the more I use it the happier I get with postgresql.
Best Regards
Richard
----- Original Message -----
From: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Richard Sydney-Smith" <richard(at)ibisaustralia(dot)com>
Cc: "Stephan Szabo" <sszabo(at)megazone(dot)bigpanda(dot)com>;
<pgsql-sql(at)postgresql(dot)org>
Sent: Friday, September 12, 2003 11:20 AM
Subject: Re: [SQL] How do I replace select ... into commands?
> "Richard Sydney-Smith" <richard(at)ibisaustralia(dot)com> writes:
> > execute ''select max('' || seq_fld || '') into mx from '' || tbl;
>
> You can't use INTO in an EXECUTE'd select (basically because the string
> to be executed is not processed by plpgsql at all, merely sent down to
> the SQL engine, which does not know the output variable mx). The way to
> get results out of an executed select is to use FOR ... IN EXECUTE.
> Which is a kluge, but it holds the fort until someone gets around to
> redesigning this code. See the manual.
>
> regards, tom lane
>
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>
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