postgresql/contrib/amcheck
Tomas Vondra 14ffaece0f amcheck: Add gin_index_check() to verify GIN index
Adds a new function, validating two kinds of invariants on a GIN index:

- parent-child consistency: Paths in a GIN graph have to contain
  consistent keys. Tuples on parent pages consistently include tuples
  from child pages; parent tuples do not require any adjustments.

- balanced-tree / graph: Each internal page has at least one downlink,
  and can reference either only leaf pages or only internal pages.

The GIN verification is based on work by Grigory Kryachko, reworked by
Heikki Linnakangas and with various improvements by Andrey Borodin.
Investigation and fixes for multiple bugs by Kirill Reshke.

Author: Grigory Kryachko <GSKryachko@gmail.com>
Author: Heikki Linnakangas <hlinnaka@iki.fi>
Author: Andrey Borodin <amborodin@acm.org>
Reviewed-By: José Villanova <jose.arthur@gmail.com>
Reviewed-By: Aleksander Alekseev <aleksander@timescale.com>
Reviewed-By: Nikolay Samokhvalov <samokhvalov@gmail.com>
Reviewed-By: Andres Freund <andres@anarazel.de>
Reviewed-By: Tomas Vondra <tomas.vondra@enterprisedb.com>
Reviewed-By: Kirill Reshke <reshkekirill@gmail.com>
Reviewed-By: Mark Dilger <mark.dilger@enterprisedb.com>
Reviewed-By: Peter Geoghegan <pg@bowt.ie>
Discussion: https://postgr.es/m/45AC9B0A-2B45-40EE-B08F-BDCF5739D1E1%40yandex-team.ru
2025-03-29 15:44:29 +01:00
..
expected amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
sql amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
t Update copyright for 2025 2025-01-01 11:21:55 -05:00
.gitignore Add .gitignore to contrib/amcheck. 2017-03-09 22:45:24 -05:00
amcheck--1.0--1.1.sql Add amcheck verification of heap relations belonging to btree indexes. 2018-03-31 19:52:01 -07:00
amcheck--1.0.sql Add amcheck extension to contrib. 2017-03-09 16:33:02 -08:00
amcheck--1.1--1.2.sql Allow amcheck to re-find tuples using new search. 2019-03-20 10:41:36 -07:00
amcheck--1.2--1.3.sql Extend amcheck to check heap pages. 2020-10-22 08:44:18 -04:00
amcheck--1.3--1.4.sql Teach contrib/amcheck to check the unique constraint violation 2023-10-28 00:21:23 +03:00
amcheck--1.4--1.5.sql amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
amcheck.control amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
Makefile amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
meson.build amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
verify_common.c amcheck: Move common routines into a separate module 2025-03-29 15:14:49 +01:00
verify_common.h amcheck: Move common routines into a separate module 2025-03-29 15:14:49 +01:00
verify_gin.c amcheck: Add gin_index_check() to verify GIN index 2025-03-29 15:44:29 +01:00
verify_heapam.c Use streaming read I/O in heap amcheck 2025-03-27 14:04:14 -04:00
verify_nbtree.c amcheck: Move common routines into a separate module 2025-03-29 15:14:49 +01:00