mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-27 18:17:19 +02:00
44 lines
1.5 KiB
RPMSpec
44 lines
1.5 KiB
RPMSpec
|
# 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 "s2txid" { BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT txid_current() IS NULL; }
|
||
|
step "s2alter" { ALTER TABLE do_write ADD COLUMN addedbys2 int; }
|
||
|
step "s2c" { COMMIT; }
|
||
|
|
||
|
|
||
|
session "s3"
|
||
|
setup { SET synchronous_commit=on; }
|
||
|
|
||
|
step "s3txid" { BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT txid_current() IS NULL; }
|
||
|
step "s3c" { COMMIT; }
|
||
|
|
||
|
# Force usage of ondisk snapshot by starting and not finishing a
|
||
|
# transaction with a 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 "s2txid" "s1init" "s3txid" "s2alter" "s2c" "s1insert" "s1checkpoint" "s1start" "s1insert" "s1alter" "s1insert" "s1start"
|