Re: Can't use WITH in a PERFORM query in PL/pgSQL?

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От Valentine Gogichashvili
Тема Re: Can't use WITH in a PERFORM query in PL/pgSQL?
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Msg-id CAP93muVCKvMGFzzRzZmQ3t_4JVeOEj5VUVZimaSr8J3QMQZ7Mw@mail.gmail.com
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Ответ на Re: Can't use WITH in a PERFORM query in PL/pgSQL?  (Merlin Moncure <mmoncure@gmail.com>)
Ответы Re: Can't use WITH in a PERFORM query in PL/pgSQL?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-bugs
>
>
> >>
> >> it would be really a good idea to allow SELECT without INTO in plpgsql.
> >
> > SELECT without INTO is useless in plpgsql - because you have to drop
> result.
>
> not if you're calling a function:
> select func();
>
> or calling bunch of functions:

    SELECT func(param) FROM some_subselect_with_params;

or if you do not have writable CTEs yet and have a dream of calling
something like:

    INSERT INTO some_table_with_data ...
    RETURNING func(some_generated_field);

And, ernestly, if it were useless to have SELECT without INTO in plpgsql,
there also would be no PERFORM command in plpgsql...

Best regards,

-- Valentine Gogichashvili

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