1 files changed, 52 insertions, 1 deletions

diff --git a/src/test/subscription/t/010_truncate.pl b/src/test/subscription/t/010_truncate.pl
index de1443b55f8..9a15c04676b 100644
--- a/src/test/subscription/t/010_truncate.pl
+++ b/src/test/subscription/t/010_truncate.pl
@@ -3,7 +3,7 @@ use strict;
 use warnings;
 use PostgresNode;
 use TestLib;
-use Test::More tests => 9;
+use Test::More tests => 12;
 
 # setup
 
@@ -13,6 +13,8 @@ $node_publisher->start;
 
 my $node_subscriber = get_new_node('subscriber');
 $node_subscriber->init(allows_streaming => 'logical');
+$node_subscriber->append_conf('postgresql.conf',
+	qq(max_logical_replication_workers = 6));
 $node_subscriber->start;
 
 my $publisher_connstr = $node_publisher->connstr . ' dbname=postgres';
@@ -158,3 +160,52 @@ is($result, qq(0||), 'truncate of multiple tables some not published');
 $result = $node_subscriber->safe_psql('postgres',
 	"SELECT count(*), min(a), max(a) FROM tab2");
 is($result, qq(3|1|3), 'truncate of multiple tables some not published');
+
+# test that truncate works for logical replication when there are multiple
+# subscriptions for a single table
+
+$node_publisher->safe_psql('postgres',
+	"CREATE TABLE tab5 (a int)");
+
+$node_subscriber->safe_psql('postgres',
+	"CREATE TABLE tab5 (a int)");
+
+$node_publisher->safe_psql('postgres',
+	"CREATE PUBLICATION pub5 FOR TABLE tab5");
+$node_subscriber->safe_psql('postgres',
+	"CREATE SUBSCRIPTION sub5_1 CONNECTION '$publisher_connstr application_name=sub5_1' PUBLICATION pub5"
+);
+$node_subscriber->safe_psql('postgres',
+	"CREATE SUBSCRIPTION sub5_2 CONNECTION '$publisher_connstr application_name=sub5_2' PUBLICATION pub5"
+);
+
+# wait for initial data sync
+$node_subscriber->poll_query_until('postgres', $synced_query)
+  or die "Timed out while waiting for subscriber to synchronize data";
+
+# insert data to truncate
+
+$node_publisher->safe_psql('postgres',
+	"INSERT INTO tab5 VALUES (1), (2), (3)");
+
+$node_publisher->wait_for_catchup('sub5_1');
+$node_publisher->wait_for_catchup('sub5_2');
+
+$result = $node_subscriber->safe_psql('postgres',
+	"SELECT count(*), min(a), max(a) FROM tab5");
+is($result, qq(6|1|3), 'insert replicated for multiple subscriptions');
+
+$node_publisher->safe_psql('postgres', "TRUNCATE tab5");
+
+$node_publisher->wait_for_catchup('sub5_1');
+$node_publisher->wait_for_catchup('sub5_2');
+
+$result = $node_subscriber->safe_psql('postgres',
+	"SELECT count(*), min(a), max(a) FROM tab5");
+is($result, qq(0||),
+	'truncate replicated for multiple subscriptions');
+
+# check deadlocks
+$result = $node_subscriber->safe_psql('postgres',
+	"SELECT deadlocks FROM pg_stat_database WHERE datname='postgres'");
+is($result, qq(0), 'no deadlocks detected');