Re: question about pg_proc

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От Pavel Stehule
Тема Re: question about pg_proc
Дата
Msg-id 162867790905222218k60cec400lbe36237d4bc5b9f7@mail.gmail.com
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Ответ на question about pg_proc  (Gevik Babakhani <pgdev@xs4all.nl>)
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2009/5/23 Gevik Babakhani <pgdev@xs4all.nl>:
> Is there a historical reason why we have a "proargtypes" and a
> "proallargtypes"?

> It seems that "proallargtypes" is only set when out parameters exist.
> Could someone clarify this please?

proargtypes is used for fast simple searching function in
transformFunc stage. For this searching OUT variables are excluded.

proallargtypes is used for building OUT variables.

Look on: FuncnameGetCandidates (namespace.c)
do_compile(pl_comp.c)

Regards
Pavel Stehule

>
> Regards,
> Gevik.
>
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