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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/test_decoding/specs/ondisk_startup.spec | |
parent | Initial commit. (diff) | |
download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/test_decoding/specs/ondisk_startup.spec')
-rw-r--r-- | contrib/test_decoding/specs/ondisk_startup.spec | 45 |
1 files changed, 45 insertions, 0 deletions
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" |