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help / color / mirror / Atom feedFrom: Peter Eisentraut <[email protected]>
To: David E. Wheeler <[email protected]>
Cc: Craig Ringer <[email protected]>
Cc: Gabriele Bartolini <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: RFC: Additional Directory for Extensions
Date: Wed, 20 Nov 2024 10:05:32 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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On 18.11.24 20:19, David E. Wheeler wrote:
>>>>> - The biggest problem is that many extensions set in their control file
>>>>>
>>>>> module_pathname = '$libdir/foo'
>>>>>
>>>>> This disables the use of dynamic_library_path, so this whole idea of installing an extension elsewhere won't work that way. The obvious solution is that extensions change this to just 'foo'. But this will require a lot updating work for many extensions, or a lot of patching by packagers.
>>
>> Yeah, '$libdir/foo' has been the documented way to do it for quite some time, as I recall. Perhaps the behavior of the MODULE_PATHNAME replacement function could be changed to omit $libdir when writing the SQL files?
>
> Elsewhere you write:
>
>> Nothing changes about shared library files. They are looked up in dynamic_library_path or any hardcoded file name.
>
> And also point out that the way to install them is:
>
> ```
> make install datadir=/else/where/share pkglibdir=/else/where/lib
> ```
>
> So as long as dynamic_library_path includes /else/where/lib it should work, just as before, no?
The path is only consulted if the specified name does not contain a
slash. So if you do LOAD 'foo', the path is consulted, but if you do
LOAD '$libdir/foo', it is not. The problem I'm describing is that most
extensions use the latter style, per current recommendation in the
documentation.
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