Re: Use LOCKMODE in parse_relation.c/.h

On 2/18/26 10:50 AM, Peter Eisentraut wrote:
> There are a couple of comments in parse_relation.c
>
> > Note: properly, lockmode should be declared LOCKMODE not int, but that
> > would require importing storage/lock.h into parse_relation.h.  Since
> > LOCKMODE is typedef'd as int anyway, that seems like overkill.
>
> but actually LOCKMODE has been in storage/lockdefs.h for a while,
> which is intentionally a more narrow header.  So we can include that
> one in parse_relation.h and just use LOCKMODE normally.
>
> An alternative would be to add a duplicate typedef into
> parse_relation.h, but that doesn't seem necessary here.

Looks like a nice change and I did not find any more cases where we
should fix this.

But when I was looking I found a case where BufferLockMode could be used
in the gin code (ginStepRight() and the brin (brinGetTupleForHeapBlock)
code but I am not sure there are worth fixing.

Andreas