From 3a9b4c9ed697a812ad3a8d0225a0c23e6aa3c05e Mon Sep 17 00:00:00 2001 From: Sami Imseih Date: Fri, 27 Feb 2026 10:35:41 -0600 Subject: [PATCH v2 1/1] repro --- .../isolation/expected/multixact-prep-tx.out | 30 +++++++++++++++++++ src/test/isolation/isolation_schedule | 1 + .../isolation/specs/multixact-prep-tx.spec | 29 ++++++++++++++++++ 3 files changed, 60 insertions(+) create mode 100644 src/test/isolation/expected/multixact-prep-tx.out create mode 100644 src/test/isolation/specs/multixact-prep-tx.spec diff --git a/src/test/isolation/expected/multixact-prep-tx.out b/src/test/isolation/expected/multixact-prep-tx.out new file mode 100644 index 00000000000..68470cf33d9 --- /dev/null +++ b/src/test/isolation/expected/multixact-prep-tx.out @@ -0,0 +1,30 @@ +Parsed test spec with 2 sessions + +starting permutation: s1_begin_p1 s1_share_p1 s1_prep_p1 s1_begin_p2 s1_share_p2 s1_prep_p2 s2_lock_timeout s2_delete s2_select s2_rollback_prepared_p1 s2_rollback_prepared_p2 +step s1_begin_p1: BEGIN; +step s1_share_p1: SELECT * FROM block_delete WHERE id = 1 FOR SHARE; +id|data +--+--------- + 1|test data +(1 row) + +step s1_prep_p1: PREPARE TRANSACTION 'p1'; +step s1_begin_p2: BEGIN; +step s1_share_p2: SELECT * FROM block_delete WHERE id = 1 FOR SHARE; +id|data +--+--------- + 1|test data +(1 row) + +step s1_prep_p2: PREPARE TRANSACTION 'p2'; +step s2_lock_timeout: SET lock_timeout TO '2s'; +step s2_delete: DELETE FROM block_delete WHERE id = 1; +ERROR: canceling statement due to lock timeout +step s2_select: SELECT * FROM block_delete WHERE id = 1; +id|data +--+--------- + 1|test data +(1 row) + +step s2_rollback_prepared_p1: ROLLBACK PREPARED 'p1'; +step s2_rollback_prepared_p2: ROLLBACK PREPARED 'p2'; diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule index 4e466580cd4..ff7f93ea6ef 100644 --- a/src/test/isolation/isolation_schedule +++ b/src/test/isolation/isolation_schedule @@ -66,6 +66,7 @@ test: aborted-keyrevoke test: multixact-no-deadlock test: multixact-no-forget test: multixact-stats +test: multixact-prep-tx test: lock-committed-update test: lock-committed-keyupdate test: update-locked-tuple diff --git a/src/test/isolation/specs/multixact-prep-tx.spec b/src/test/isolation/specs/multixact-prep-tx.spec new file mode 100644 index 00000000000..2cddf53d1d1 --- /dev/null +++ b/src/test/isolation/specs/multixact-prep-tx.spec @@ -0,0 +1,29 @@ +# Test that dummy processes for prepared transactions are properly accounted for in multixact tracking + +setup +{ + CREATE TABLE block_delete (id int PRIMARY KEY, data text); + INSERT INTO block_delete VALUES (1, 'test data'); +} + +teardown +{ + DROP TABLE block_delete; +} + +session s1 +step s1_begin_p1 { BEGIN; } +step s1_share_p1 { SELECT * FROM block_delete WHERE id = 1 FOR SHARE; } +step s1_prep_p1 { PREPARE TRANSACTION 'p1'; } +step s1_begin_p2 { BEGIN; } +step s1_share_p2 { SELECT * FROM block_delete WHERE id = 1 FOR SHARE; } +step s1_prep_p2 { PREPARE TRANSACTION 'p2'; } + +session s2 +step s2_lock_timeout { SET lock_timeout TO '2s'; } +step s2_delete { DELETE FROM block_delete WHERE id = 1; } +step s2_select { SELECT * FROM block_delete WHERE id = 1; } +step s2_rollback_prepared_p1 { ROLLBACK PREPARED 'p1'; } +step s2_rollback_prepared_p2 { ROLLBACK PREPARED 'p2'; } + +permutation s1_begin_p1 s1_share_p1 s1_prep_p1 s1_begin_p2 s1_share_p2 s1_prep_p2 s2_lock_timeout s2_delete s2_select s2_rollback_prepared_p1 s2_rollback_prepared_p2 -- 2.50.1 (Apple Git-155)