Re: Use LOCKMODE in parse_relation.c/.h

On 18.02.26 18:19, Andreas Karlsson wrote:
> 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.

I think these could be worth improving, if only to make the function 
signatures more clear (there are different kinds of enums for different 
kinds of lock modes).