Adding upstream version 15.4.upstream/15.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 87 insertions, 0 deletions

diff --git a/contrib/test_decoding/expected/decoding_in_xact.out b/contrib/test_decoding/expected/decoding_in_xact.out
new file mode 100644
index 0000000..b65253f
--- /dev/null
+++ b/contrib/test_decoding/expected/decoding_in_xact.out
@@ -0,0 +1,87 @@
+-- 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';
+ ?column? 
+----------
+ f
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ERROR:  cannot create logical replication slot in transaction that has performed writes
+ROLLBACK;
+-- fail because we're creating a slot while in a subxact whose topxact has an xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+ ?column? 
+----------
+ f
+(1 row)
+
+SAVEPOINT barf;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ERROR:  cannot create logical replication slot in transaction that has performed writes
+ROLLBACK TO SAVEPOINT barf;
+ROLLBACK;
+-- succeed, outside tx.
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column? 
+----------
+ init
+(1 row)
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+ ?column? 
+----------
+ stop
+(1 row)
+
+-- succeed, in tx without xid.
+BEGIN;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column? 
+----------
+ init
+(1 row)
+
+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';
+ ?column? 
+----------
+ f
+(1 row)
+
+-- 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');
+                           data                            
+-----------------------------------------------------------
+ BEGIN
+ table public.nobarf: INSERT: id[integer]:1 data[text]:'1'
+ COMMIT
+(3 rows)
+
+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');
+                           data                            
+-----------------------------------------------------------
+ BEGIN
+ table public.nobarf: INSERT: id[integer]:2 data[text]:'2'
+ COMMIT
+ BEGIN
+ table public.nobarf: INSERT: id[integer]:3 data[text]:'3'
+ COMMIT
+(6 rows)
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+ ?column? 
+----------
+ stop
+(1 row)
+