Re: Use CompactAttribute more often, when possible

2025-10-21 Thread David Rowley
On Mon, 20 Oct 2025 at 21:43, David Rowley wrote: > > On Mon, 20 Oct 2025 at 21:15, Michael Paquier wrote: > > > > On Mon, Oct 20, 2025 at 05:46:33PM +1300, David Rowley wrote: > > @@ -5146,10 +5146,6 @@ ReorderBufferToastReplace(ReorderBuffer *rb, > > ReorderBufferTXN *txn, > > dlist_i

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread David Rowley
On Mon, 20 Oct 2025 at 22:33, Chao Li wrote: > I have removed those ones that you don’t want in v2 diff. Looks like it's just the rowtypes.c ones that you have that I didn't list. get_sql_insert() and FreeTupleDesc() were in my reject list. The extra ones you've found seem to match a similar pat

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread Chao Li
> On Oct 20, 2025, at 16:49, David Rowley wrote: > > On Mon, 20 Oct 2025 at 21:34, Chao Li wrote: >> I search for “TupleDescAttr”, and found more occurrences to replace. See the >> attached diff file. > > Thanks for looking. There was a bunch that I didn't do and tried to > convey that in t

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread Álvaro Herrera
On 2025-Oct-20, David Rowley wrote: > There's also some more > complexity around CompactAttribute.attnotnull that's crept in. I think > I roughly understand the need for that, but the intent of > CompactAttribute mirroring commonly used pg_attribute fields is made > no longer true by those changes

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread David Rowley
On Mon, 20 Oct 2025 at 21:34, Chao Li wrote: > I search for “TupleDescAttr”, and found more occurrences to replace. See the > attached diff file. Thanks for looking. There was a bunch that I didn't do and tried to convey that in the commit message. The diff you sent seems to contain a mix of m

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread David Rowley
On Mon, 20 Oct 2025 at 21:15, Michael Paquier wrote: > > On Mon, Oct 20, 2025 at 05:46:33PM +1300, David Rowley wrote: > > I don't think the attached is very interesting to look at, but l'll > > leave it here for a bit just in case anyone wants to look. Otherwise, > > I plan to just treat it as a

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread Chao Li
> On Oct 20, 2025, at 12:46, David Rowley wrote: > > 5983a4cff added CompactAttribute to TupleDesc to allow commonly > accessed fields from the FormData_pg_attribute array to be accessed > more quickly by having to load fewer cachelines from memory. That > commit also went around and changed ma

Re: Use CompactAttribute more often, when possible

2025-10-20 Thread Michael Paquier
On Mon, Oct 20, 2025 at 05:46:33PM +1300, David Rowley wrote: > I don't think the attached is very interesting to look at, but l'll > leave it here for a bit just in case anyone wants to look. Otherwise, > I plan to just treat it as a follow-up of 5983a4cff. Still I've looked at it. I like readin