Re: [PATCH] Avoid collation lookup for "char" statistics

Feng Wu <wufengwufengwufeng@gmail.com>

From: Feng Wu <wufengwufengwufeng@gmail.com>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: pgsql-hackers@lists.postgresql.org

Date: 2026-06-28T16:53:04Z

Lists: pgsql-hackers

Thanks Tom, the generalized InvalidOid check makes sense to me.

Regards,
Feng

Commits

Avoid collation lookup failure when considering a "char" column.
- b574fec00f27 19 (unreleased) landed
- 5fd1c3f28718 18 (unreleased) landed
Remove lc_collate_is_c().
- 06421b084364 18.0 cited