nbtree: reduce code redundancy by using _bt_getmeta() in _bt_gettrueroot()

Chao Li <li.evan.chao@gmail.com>

From: Chao Li <li.evan.chao@gmail.com>

To: Postgres hackers <pgsql-hackers@lists.postgresql.org>

Date: 2026-01-15T08:10:42Z

Lists: pgsql-hackers

Attachments

v1-0001-nbtree-deduplicate-metapage-sanity-checks-in-_bt_.patch (application/octet-stream) patch v1-0001

Hi Hackers,

I noticed this while reviewing [1]. _bt_gettrueroot() performs the same
metapage checks as _bt_getmeta(), so using _bt_getmeta() here removes the
duplicated code.

Build passed without warning and "make check" passed.

[1]
https://postgr.es/m/fvfmkr5kk4nyex56ejgxj3uzi63isfxovp2biecb4bspbjrze7@az2pljabhnff

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/

Commits

Make heap TID a tiebreaker nbtree index column.
- dd299df8189b 12.0 cited