Re: BUG #19686: Rolling back SET TABLESPACE + INSERT leads to index corruption

On Sun, Sep 13, 2026 at 04:00:01PM +0000, PG Bug reporting form wrote:
> triggers:
> 2026-09-13 18:09:42.598 EEST|postgres|regression|6aa6bcb6.297fd6|LOG:
> statement: INSERT INTO t SELECT i FROM generate_series(1, 4000) i;
> TRAP: failed Assert("_bt_posting_valid(itup)"), File: "nbtdedup.c", Line:
> 900, PID: 2719702
> ExceptionalCondition at assert.c:51:13
> _bt_form_posting at nbtdedup.c:905:7
> _bt_dedup_finish_pending at nbtdedup.c:584:11
> _bt_dedup_pass at nbtdedup.c:173:15
> _bt_delete_or_dedup_one_page at nbtinsert.c:2827:3
> _bt_findinsertloc at nbtinsert.c:918:4
> _bt_doinsert at nbtinsert.c:261:16
> btinsert at nbtree.c:219:11
> index_insert at indexam.c:231:9
>
> The assertion failure is reproduced starting from 0d861bbb7.

Err, Peter?
--
Michael