On Fri, Jul 19, 2019 at 12:32 PM Peter Geoghegan <p...@bowt.ie> wrote: > On Fri, Jul 19, 2019 at 10:53 AM Anastasia Lubennikova > <a.lubennik...@postgrespro.ru> wrote: > > Patch 0002 (must be applied on top of 0001) implements preserving of > > correct TID order > > inside posting list when inserting new tuples. > > This version passes all regression tests including amcheck test. > > I also used following script to test insertion into the posting list: > > Nice!
Hmm. So, the attached test case fails amcheck verification for me with the latest version of the patch: $ psql -f amcheck-compress-test.sql DROP TABLE CREATE TABLE CREATE INDEX CREATE EXTENSION INSERT 0 2001 psql:amcheck-compress-test.sql:6: ERROR: down-link lower bound invariant violated for index "idx_desc_nl" DETAIL: Parent block=3 child index tid=(2,2) parent page lsn=10/F87A3438. Note that this test only has an INSERT statement. You have to use bt_index_parent_check() to see the problem -- bt_index_check() will not detect the problem. -- Peter Geoghegan
amcheck-compress-test.sql
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