| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
| Cc: | Markur Sens <markursens(at)gmail(dot)com>, pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Additional accessors via the Extension API ? |
| Date: | 2022-02-20 16:34:45 |
| Message-ID: | 279463.1645374885@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Julien Rouhaud <rjuju123(at)gmail(dot)com> writes:
> On Sun, Feb 20, 2022 at 12:31:22PM +0200, Markur Sens wrote:
>> Is this documented & expected behavior or it’s just happens to work?
> I don't think it's documented but it's an expected behavior, see
> https://github.com/postgres/postgres/blob/master/src/backend/parser/parse_func.c#L57-L88
It is documented, near the bottom of this section:
https://www.postgresql.org/docs/current/rowtypes.html#ROWTYPES-USAGE
Other relevant oddities are mentioned in
https://www.postgresql.org/docs/current/xfunc-sql.html#XFUNC-SQL-COMPOSITE-FUNCTIONS
regards, tom lane
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