summaryrefslogtreecommitdiffstats
path: root/contrib/test_decoding/sql/decoding_in_xact.sql
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
commit6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch)
tree657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/test_decoding/sql/decoding_in_xact.sql
parentInitial commit. (diff)
downloadpostgresql-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/sql/decoding_in_xact.sql')
-rw-r--r--contrib/test_decoding/sql/decoding_in_xact.sql41
1 files changed, 41 insertions, 0 deletions
diff --git a/contrib/test_decoding/sql/decoding_in_xact.sql b/contrib/test_decoding/sql/decoding_in_xact.sql
new file mode 100644
index 0000000..108782d
--- /dev/null
+++ b/contrib/test_decoding/sql/decoding_in_xact.sql
@@ -0,0 +1,41 @@
+-- predictability
+SET synchronous_commit = on;
+
+-- fail because we're creating a slot while in an xact with xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ROLLBACK;
+
+-- fail because we're creating a slot while in a subxact whose topxact has an xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+SAVEPOINT barf;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ROLLBACK TO SAVEPOINT barf;
+ROLLBACK;
+
+-- succeed, outside tx.
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+
+-- succeed, in tx without xid.
+BEGIN;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+COMMIT;
+
+CREATE TABLE nobarf(id serial primary key, data text);
+INSERT INTO nobarf(data) VALUES('1');
+
+-- decoding works in transaction with xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+-- don't show yet, haven't committed
+INSERT INTO nobarf(data) VALUES('2');
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+COMMIT;
+
+INSERT INTO nobarf(data) VALUES('3');
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');