Re: Improve node type forward reference - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: Improve node type forward reference
Date
Msg-id Zw2NAr_ABwpD2t-9@nathan
Whole thread Raw
Responses Re: Improve node type forward reference
List pgsql-hackers
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.

> The second patch just removes some more unnecessary casts around
> copyObject() that I found while working on this.

LGTM

-- 
nathan



pgsql-hackers by date:

Previous
From: Bruce Momjian
Date:
Subject: Re: Changing the default random_page_cost value
Next
From: Melanie Plageman
Date:
Subject: Re: BitmapHeapScan streaming read user and prelim refactoring