Re: Improve node type forward reference

On Tue, Oct 15, 2024 at 09:02:48AM +0200, Peter Eisentraut wrote:
> On 14.10.24 23:28, Nathan Bossart wrote:
>> On Mon, Oct 14, 2024 at 09:47:59AM +0200, Peter Eisentraut wrote:
>> > But we can do this better by using an incomplete struct, like
>> >
>> > struct Query *viewQuery ...;
>> >
>> > That way, everything has the correct type and fewer casts are required. This
>> > technique is already used elsewhere in node type definitions.
>>
>> I noticed that the examples in parsenodes.h are for structs defined within
>> the same file. If the struct is defined in a separate file, I guess you
>> might need to include another header file wherever it is used, but that
>> doesn't seem too bad.
>
> No, you can leave the struct incomplete. You only need to provide its full
> definition (= include the other header file) if you actually want to access
> the struct's fields.

That's what I figured. This one LGTM, too, then.

--
nathan