Craig Ringer <cr...@2ndquadrant.com> writes:
> On 24 May 2016 at 00:00, Michael Paquier <michael.paqu...@gmail.com> wrote:
>> Did you consider the use of simple_list.c instead of introducing a new
>> mimic as PGcommandQueueEntry? It would be cool avoiding adding new
>> list emulations on frontends.

> I'd have to extend simple_list to add a generic object version, like

> struct my_list_elem
> {
>     PG_SIMPLE_LIST_ATTRS;
>     mytype mycol;
>     myothertype myothercol;
> }

> Objections?

That doesn't look exactly "generic".

> I could add a void* version that's a simple clone of the string version,
> but having to malloc both a list cell and its contents separately is
> annoying.

I'd be okay with a void* version, but I'm not sure about this.

                        regards, tom lane


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