@ -143,15 +143,17 @@ $node_publisher->safe_psql('postgres',
"CREATE TABLE test_tab (a int primary key, b varchar)" ) ;
$ node_publisher - > safe_psql ( 'postgres' ,
"INSERT INTO test_tab VALUES (1, 'foo'), (2, 'bar')" ) ;
$ node_publisher - > safe_psql ( 'postgres' , "CREATE TABLE test_tab_2 (a int)" ) ;
# Setup structure on subscriber
$ node_subscriber - > safe_psql ( 'postgres' ,
"CREATE TABLE test_tab (a int primary key, b text, c INT, d INT, e INT)" ) ;
$ node_subscriber - > safe_psql ( 'postgres' , "CREATE TABLE test_tab_2 (a int)" ) ;
# Setup logical replication
my $ publisher_connstr = $ node_publisher - > connstr . ' dbname=postgres' ;
$ node_publisher - > safe_psql ( 'postgres' ,
"CREATE PUBLICATION tap_pub FOR TABLE test_tab" ) ;
"CREATE PUBLICATION tap_pub FOR TABLE test_tab, test_tab_2 " ) ;
my $ appname = 'tap_sub' ;
@ -198,6 +200,63 @@ $node_subscriber->safe_psql('postgres', q{SELECT 1});
test_streaming ( $ node_publisher , $ node_subscriber , $ appname , 1 ) ;
# Test serializing changes to files and notify the parallel apply worker to
# apply them at the end of the transaction.
$ node_subscriber - > append_conf ( 'postgresql.conf' ,
'logical_replication_mode = immediate' ) ;
# Reset the log_min_messages to default.
$ node_subscriber - > append_conf ( 'postgresql.conf' , "log_min_messages = warning" ) ;
$ node_subscriber - > reload ;
# Run a query to make sure that the reload has taken effect.
$ node_subscriber - > safe_psql ( 'postgres' , q{ SELECT 1 } ) ;
my $ offset = - s $ node_subscriber - > logfile ;
$ node_publisher - > safe_psql (
'postgres' , q{
BEGIN ;
INSERT INTO test_tab_2 values ( 1 ) ;
ROLLBACK ;
} ) ;
# Ensure that the changes are serialized.
$ node_subscriber - > wait_for_log (
qr/LOG: ( [A-Z0-9]+:)? logical replication apply worker will serialize the remaining changes of remote transaction \d+ to a file/ ,
$ offset ) ;
$ node_publisher - > wait_for_catchup ( $ appname ) ;
# Check that transaction is aborted on subscriber
$ result =
$ node_subscriber - > safe_psql ( 'postgres' , "SELECT count(*) FROM test_tab_2" ) ;
is ( $ result , qq( 0 ) , 'check rollback was reflected on subscriber' ) ;
# Serialize the ABORT sub-transaction.
$ offset = - s $ node_subscriber - > logfile ;
$ node_publisher - > safe_psql (
'postgres' , q{
BEGIN ;
INSERT INTO test_tab_2 values ( 1 ) ;
SAVEPOINT sp ;
INSERT INTO test_tab_2 values ( 1 ) ;
ROLLBACK TO sp ;
COMMIT ;
} ) ;
# Ensure that the changes are serialized.
$ node_subscriber - > wait_for_log (
qr/LOG: ( [A-Z0-9]+:)? logical replication apply worker will serialize the remaining changes of remote transaction \d+ to a file/ ,
$ offset ) ;
$ node_publisher - > wait_for_catchup ( $ appname ) ;
# Check that only sub-transaction is aborted on subscriber.
$ result =
$ node_subscriber - > safe_psql ( 'postgres' , "SELECT count(*) FROM test_tab_2" ) ;
is ( $ result , qq( 1 ) , 'check rollback to savepoint was reflected on subscriber' ) ;
$ node_subscriber - > stop ;
$ node_publisher - > stop ;
Amit Kapila
3 years ago