| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | James Harper <james(dot)harper(at)bendigoit(dot)com(dot)au> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: function with different return type depending on parameter? |
| Date: | 2014-02-12 09:25:42 |
| Message-ID: | CAFj8pRB9NvoYROx4zbUrAqqN2ypR2DuiAOgxC=FumJbsu-hVUw@mail.gmail.com |
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| Lists: | pgsql-general |
Hello
no it is not possible
Regards
Pavel
p.s. result - type must be known before execution (when execution plan is
created)
2014-02-12 10:20 GMT+01:00 James Harper <james(dot)harper(at)bendigoit(dot)com(dot)au>:
> is it possible to have a function that can return a different type
> depending on the parameters? Eg (approximately)
>
> if param = "one" then return 1
> if param = "two" then return "2"
> if param = "three" then return 3.0
> etc
>
> I can't see any variant type
>
> thanks
>
> James
>
>
>
>
>
>
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