From 311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:46:48 +0200 Subject: Adding upstream version 15.4. Signed-off-by: Daniel Baumann --- contrib/test_decoding/specs/ondisk_startup.spec | 45 +++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 contrib/test_decoding/specs/ondisk_startup.spec (limited to 'contrib/test_decoding/specs/ondisk_startup.spec') diff --git a/contrib/test_decoding/specs/ondisk_startup.spec b/contrib/test_decoding/specs/ondisk_startup.spec new file mode 100644 index 0000000..96ce87f --- /dev/null +++ b/contrib/test_decoding/specs/ondisk_startup.spec @@ -0,0 +1,45 @@ +# Force usage of ondisk decoding snapshots to test that code path. +setup +{ + DROP TABLE IF EXISTS do_write; + CREATE TABLE do_write(id serial primary key); +} + +teardown +{ + DROP TABLE do_write; + SELECT 'stop' FROM pg_drop_replication_slot('isolation_slot'); +} + + +session "s1" +setup { SET synchronous_commit=on; } + +step "s1init" {SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');} +step "s1start" {SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');} +step "s1insert" { INSERT INTO do_write DEFAULT VALUES; } +step "s1checkpoint" { CHECKPOINT; } +step "s1alter" { ALTER TABLE do_write ADD COLUMN addedbys1 int; } + +session "s2" +setup { SET synchronous_commit=on; } + +step "s2b" { BEGIN; } +step "s2txid" { SELECT pg_current_xact_id() IS NULL; } +step "s2alter" { ALTER TABLE do_write ADD COLUMN addedbys2 int; } +step "s2c" { COMMIT; } + + +session "s3" +setup { SET synchronous_commit=on; } + +step "s3b" { BEGIN; } +step "s3txid" { SELECT pg_current_xact_id() IS NULL; } +step "s3c" { COMMIT; } + +# Force usage of ondisk snapshot by starting and not finishing a +# transaction with an assigned xid after consistency has been +# reached. In combination with a checkpoint forcing a snapshot to be +# written and a new restart point computed that'll lead to the usage +# of the snapshot. +permutation "s2b" "s2txid" "s1init" "s3b" "s3txid" "s2alter" "s2c" "s2b" "s2txid" "s3c" "s2c" "s1insert" "s1checkpoint" "s1start" "s1insert" "s1alter" "s1insert" "s1start" -- cgit v1.2.3