| From: | David Geier <geidav(dot)pg(at)gmail(dot)com> |
|---|---|
| To: | Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter(at)eisentraut(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: get rid of Pointer type, mostly |
| Date: | 2025-12-08 11:51:05 |
| Message-ID: | 127522fb-594d-4b88-8f4b-27f4aae60237@gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On 08.12.2025 11:53, Chao Li wrote:
>
>
>> On Dec 8, 2025, at 18:25, David Geier <geidav(dot)pg(at)gmail(dot)com> wrote:
>>
>> Hi Peter,
>>> I went with your proposal of GinExtraPointer. See attached patch. It's
>>> based on the series of patches from Peter's initial mail. I've included
>>> the removal of the Pointer typedef in the same patch.
>>
>> It seems to me that we reached agreement. Are you planning to still
>> apply these patches?
>>
>
> Basically I am not against this patch, as 756a43689324b473ee07549a6eb7a53a203df5ad has done similar changes.
>
> What I want to understand is that why do we delete Pointer and add GinExtraPointer?
>
> ```
> -/*
> - * Pointer
> - * Variable holding address of any memory resident object.
> - * (obsolescent; use void * or char *)
> - */
> -typedef void *Pointer;
> ```
>
> And
> ```
> +typedef void *GinExtraPointer;
> ```
>
> They both are underlying “void *”. Are we expecting to improve code readability? More specific maybe?
>
Yes, because otherwise you have void *** in the GIN code.
Please check the thread for more details.
--
David Geier
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