On Sun, 26 May 2024 at 15:57, Bruce Momjian <bruce@momjian.us> wrote:
> Agreed. I changed it to:
>
> Allow btree indexes to more efficiently find a set of values, such as
> those supplied by IN subqueries
>
> Is that good?
I think this needs further adjustment. An "IN subquery" is an IN
clause which contains a subquery. As far as I understand it,
5bf748b86 does nothing to improve those. It's there to improve IN with
a set of values such as IN(1,2,3).
Maybe "IN subqueries" can be replaced with "an SQL IN clause".
David