-- Test scenario (parent shard and child shards are located on same machine) -- 1. table_to_split_1 is split into table_to_split_2 and table_to_split_3. -- 2. table_to_split_1 is located on worker1. -- 3. table_to_split_2 and table_to_split_3 are located on worker1 SELECT nodeid AS worker_1_node FROM pg_dist_node WHERE nodeport=:worker_1_port \gset SELECT nodeid AS worker_2_node FROM pg_dist_node WHERE nodeport=:worker_2_port \gset \c - - - :worker_1_port SET search_path TO split_shard_replication_setup_schema; SET client_min_messages TO ERROR; -- Create publication at worker1 CREATE PUBLICATION pub1 for table table_to_split_1, table_to_split_2, table_to_split_3; -- Worker1 is target for table_to_split_2 and table_to_split_3 SELECT count(*) FROM pg_catalog.worker_split_shard_replication_setup(ARRAY[ ROW(1, 'id', 2, '-2147483648', '-1', :worker_1_node)::pg_catalog.split_shard_info, ROW(1, 'id', 3, '0', '2147483647', :worker_1_node)::pg_catalog.split_shard_info ], 0); -- we create replication slots with a name including the next_operation_id as a suffix -- if this test file fails, make sure you compare the next_operation_id output to the object name in the next command SHOW citus.next_operation_id; SELECT slot_name AS local_slot FROM pg_create_logical_replication_slot(FORMAT('citus_shard_split_slot_%s_10_0', :worker_1_node), 'citus') \gset -- Create subscription at worker1 with copy_data to 'false' a BEGIN; CREATE SUBSCRIPTION local_subscription CONNECTION 'host=localhost port=57637 user=postgres dbname=regression' PUBLICATION pub1 WITH ( create_slot=false, enabled=true, slot_name=:local_slot, copy_data=false); COMMIT; INSERT INTO table_to_split_1 VALUES(100, 'a'); INSERT INTO table_to_split_1 VALUES(400, 'a'); INSERT INTO table_to_split_1 VALUES(500, 'a'); -- expect data to present in table_to_split_2/3 on worker1 SELECT * FROM table_to_split_1; SELECT wait_for_expected_rowcount_at_table('table_to_split_2', 1); SELECT * FROM table_to_split_2; SELECT wait_for_expected_rowcount_at_table('table_to_split_3', 2); SELECT * FROM table_to_split_3; DELETE FROM table_to_split_1; SELECT wait_for_expected_rowcount_at_table('table_to_split_1', 0); SELECT * FROM table_to_split_1; SELECT wait_for_expected_rowcount_at_table('table_to_split_2', 0); SELECT * FROM table_to_split_2; SELECT wait_for_expected_rowcount_at_table('table_to_split_3', 0); SELECT * FROM table_to_split_3; -- clean up DROP SUBSCRIPTION local_subscription; DROP PUBLICATION pub1;