Search Postgresql Archives

Re: [PLPGSQL] PERFORM into an EXECUTE allowed ?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Bruno Baguette <bruno.baguette@xxxxxxxxx> writes:
> Le 27/10/08 05:16, Tom Lane a écrit :
>> Bruno Baguette <bruno.baguette@xxxxxxxxx> writes:
>>> EXECUTE 'PERFORM COUNT(*)'
>>> || ' FROM ' || quote_ident(TG_RELNAME)
>>> || ' GROUP BY ' || quote_ident(column_name_to_check)
>>> || ' HAVING COUNT(*) > 1';
>> 
>> PERFORM is a plpgsql keyword, not a SQL keyword, so it's not surprising
>> that this fails.  What I'm wondering is what exactly you hope the above
>> will accomplish?  Why would you want to execute this query only to have
>> the results discarded?

> I only want to know if there is at least one result for this query.
> I don't want to get the results itself.

In that case you just do EXECUTE 'SELECT ...

			regards, tom lane

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux