Re: How to use search_path in CASE

In response to Lennart Ripke :
> Hello!
>
>
>
> I have a database with 6 schemas (named schema1 to schema6), each contains a
> table ?foo?. I want to insert testvalues into these tables using a plpgsql
> function.
>
>
>
> Something like:
>
>
>
> For s in 1..6 LOOP
>
>   CASE s
>
>     WHEN 1 THEN
>
>       SET LOCAL search_path TO schema1;
> ...
>
>   END CASE;
>
>
>
>   INSERT INTO foo (...) VALUES (...);
>
> END LOOP;
>
>
>
> This does not work. All values are directed into table ?schema1.foo?.

Right. This can't work. You have to use dynamic SQL in this case. That's
the way:

- define a text-variable my_sql = 'insert into ';
- build a string that contains your SQL:
  case s when 1 then my_sql = my_sql || 'schema1.' ... and so on
- EXECUTE that:  execute my_sql;


Regards, Andreas
--
Andreas Kretschmer
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