Re: Get TupleDesc for extension-defined types

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Florents Tselai <florents(dot)tselai(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Get TupleDesc for extension-defined types
Date: 2024-09-18 10:11:49
Message-ID: CAFj8pRCxXEn02XDQed9VdR2=NKnnd1s=jf1J8Yy7nyLTYt=dfw@mail.gmail.com
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st 18. 9. 2024 v 9:04 odesílatel Florents Tselai <florents(dot)tselai(at)gmail(dot)com>
napsal:

> Correct me if I'm wrong,
> but for an extension that defines composite types,
> there's currently no easy way to get a TupleDesc, even for its own types.
>
> Something like
> TupleDesc get_extension_type_tupledesc(const char *extname, const char
> *typname)
>
> Here's a routine I've stolen borrowed from pramsey's code and have been
> using ever since.
>
> Could this be exposed in extension.h ? (probably without the version check)
>
>
Another significant issue - an only name is not a unique identifier in an
extension.

Regards

Pavel

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