Stabilize single node tests (#6741)

First of all, we set next_shard_id for single_node_truncate.sql
because shard ids in the test output were changing whenever we
modify a prior test file, such as single_node.sql.

Then the flaky test detector started complaining about
single_node_truncate.sql. We fix that by specifying the correct
test dependency for it in run_test.py. We also do the same for
single_node.sql.

src/test/regress/citus_tests/run_test.py

@@ -84,6 +84,8 @@ if __name__ == "__main__":
         ),
         "create_role_propagation": TestDeps(None, ["multi_cluster_management"]),
         "single_node_enterprise": TestDeps(None),
+        "single_node": TestDeps(None),
+        "single_node_truncate": TestDeps(None),
         "multi_extension": TestDeps(None, repeatable=False),
         "multi_test_helpers": TestDeps(None),
         "multi_insert_select": TestDeps("base_schedule"),

src/test/regress/expected/single_node.out

@@ -1829,6 +1829,7 @@ SELECT pg_sleep(0.1);
 -- backend(s) that execute on the shards will be terminated
 -- so show that there no internal backends
 SET search_path TO single_node;
+SET citus.next_shard_id TO 90730500;
 SELECT count(*) from should_commit;
  count
 ---------------------------------------------------------------------
@@ -1882,6 +1883,7 @@ BEGIN;
 ROLLBACK;
 \c - - - :master_port
 SET search_path TO single_node;
+SET citus.next_shard_id TO 90830500;
 -- simulate that even if there is no connection slots
 -- to connect, Citus can switch to local execution
 SET citus.force_max_query_parallelization TO false;
@@ -2106,10 +2108,10 @@ NOTICE:  executing the command locally: SELECT count(DISTINCT (key)::text) AS co
 SET citus.shard_replication_factor TO 1;
 CREATE TABLE test_disabling_drop_and_truncate (a int);
 SELECT create_distributed_table('test_disabling_drop_and_truncate', 'a');
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102040, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102040, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830500, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830500, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102041, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102041, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830501, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830501, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102042, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102042, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830502, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830502, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102043, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102043, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830503, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830503, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
  create_distributed_table
 ---------------------------------------------------------------------
 
@@ -2117,24 +2119,24 @@ NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (1
 
 SET citus.enable_manual_changes_to_shards TO off;
 -- these should error out
-DROP TABLE test_disabling_drop_and_truncate_102040;
+DROP TABLE test_disabling_drop_and_truncate_90830500;
-ERROR:  cannot modify "test_disabling_drop_and_truncate_102040" because it is a shard of a distributed table
+ERROR:  cannot modify "test_disabling_drop_and_truncate_90830500" because it is a shard of a distributed table
 HINT:  Use the distributed table or set citus.enable_manual_changes_to_shards to on to modify shards directly
-TRUNCATE TABLE test_disabling_drop_and_truncate_102040;
+TRUNCATE TABLE test_disabling_drop_and_truncate_90830500;
-ERROR:  cannot modify "test_disabling_drop_and_truncate_102040" because it is a shard of a distributed table
+ERROR:  cannot modify "test_disabling_drop_and_truncate_90830500" because it is a shard of a distributed table
 HINT:  Use the distributed table or set citus.enable_manual_changes_to_shards to on to modify shards directly
 RESET citus.enable_manual_changes_to_shards ;
 -- these should work as expected
-TRUNCATE TABLE test_disabling_drop_and_truncate_102040;
+TRUNCATE TABLE test_disabling_drop_and_truncate_90830500;
-DROP TABLE test_disabling_drop_and_truncate_102040;
+DROP TABLE test_disabling_drop_and_truncate_90830500;
 DROP TABLE test_disabling_drop_and_truncate;
 -- test creating distributed or reference tables from shards
 CREATE TABLE test_creating_distributed_relation_table_from_shard (a int);
 SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard', 'a');
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102044, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102044, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830504, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830504, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102045, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102045, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830505, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830505, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102046, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102046, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830506, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830506, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102047, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102047, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830507, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830507, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
  create_distributed_table
 ---------------------------------------------------------------------
 
@@ -2142,11 +2144,11 @@ NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (1
 
 -- these should error because shards cannot be used to:
 -- create distributed table
-SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard_102044', 'a');
+SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard_90830504', 'a');
-ERROR:  relation "test_creating_distributed_relation_table_from_shard_102044" is a shard relation
+ERROR:  relation "test_creating_distributed_relation_table_from_shard_90830504" is a shard relation
 -- create reference table
-SELECT create_reference_table('test_creating_distributed_relation_table_from_shard_102044');
+SELECT create_reference_table('test_creating_distributed_relation_table_from_shard_90830504');
-ERROR:  relation "test_creating_distributed_relation_table_from_shard_102044" is a shard relation
+ERROR:  relation "test_creating_distributed_relation_table_from_shard_90830504" is a shard relation
 RESET citus.shard_replication_factor;
 DROP TABLE test_creating_distributed_relation_table_from_shard;
 -- lets flush the copy often to make sure everyhing is fine

src/test/regress/expected/single_node_0.out

@@ -1829,6 +1829,7 @@ SELECT pg_sleep(0.1);
 -- backend(s) that execute on the shards will be terminated
 -- so show that there no internal backends
 SET search_path TO single_node;
+SET citus.next_shard_id TO 90730500;
 SELECT count(*) from should_commit;
  count
 ---------------------------------------------------------------------
@@ -1882,6 +1883,7 @@ BEGIN;
 ROLLBACK;
 \c - - - :master_port
 SET search_path TO single_node;
+SET citus.next_shard_id TO 90830500;
 -- simulate that even if there is no connection slots
 -- to connect, Citus can switch to local execution
 SET citus.force_max_query_parallelization TO false;
@@ -2106,10 +2108,10 @@ NOTICE:  executing the command locally: SELECT count(DISTINCT (key)::text) AS co
 SET citus.shard_replication_factor TO 1;
 CREATE TABLE test_disabling_drop_and_truncate (a int);
 SELECT create_distributed_table('test_disabling_drop_and_truncate', 'a');
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102040, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102040, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830500, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830500, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102041, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102041, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830501, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830501, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102042, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102042, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830502, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830502, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102043, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102043, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830503, 'single_node', 'CREATE TABLE single_node.test_disabling_drop_and_truncate (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830503, 'single_node', 'ALTER TABLE single_node.test_disabling_drop_and_truncate OWNER TO postgres')
  create_distributed_table
 ---------------------------------------------------------------------
 
@@ -2117,24 +2119,24 @@ NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (1
 
 SET citus.enable_manual_changes_to_shards TO off;
 -- these should error out
-DROP TABLE test_disabling_drop_and_truncate_102040;
+DROP TABLE test_disabling_drop_and_truncate_90830500;
-ERROR:  cannot modify "test_disabling_drop_and_truncate_102040" because it is a shard of a distributed table
+ERROR:  cannot modify "test_disabling_drop_and_truncate_90830500" because it is a shard of a distributed table
 HINT:  Use the distributed table or set citus.enable_manual_changes_to_shards to on to modify shards directly
-TRUNCATE TABLE test_disabling_drop_and_truncate_102040;
+TRUNCATE TABLE test_disabling_drop_and_truncate_90830500;
-ERROR:  cannot modify "test_disabling_drop_and_truncate_102040" because it is a shard of a distributed table
+ERROR:  cannot modify "test_disabling_drop_and_truncate_90830500" because it is a shard of a distributed table
 HINT:  Use the distributed table or set citus.enable_manual_changes_to_shards to on to modify shards directly
 RESET citus.enable_manual_changes_to_shards ;
 -- these should work as expected
-TRUNCATE TABLE test_disabling_drop_and_truncate_102040;
+TRUNCATE TABLE test_disabling_drop_and_truncate_90830500;
-DROP TABLE test_disabling_drop_and_truncate_102040;
+DROP TABLE test_disabling_drop_and_truncate_90830500;
 DROP TABLE test_disabling_drop_and_truncate;
 -- test creating distributed or reference tables from shards
 CREATE TABLE test_creating_distributed_relation_table_from_shard (a int);
 SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard', 'a');
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102044, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102044, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830504, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830504, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102045, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102045, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830505, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830505, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102046, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102046, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830506, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830506, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
-NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (102047, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (102047, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
+NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (90830507, 'single_node', 'CREATE TABLE single_node.test_creating_distributed_relation_table_from_shard (a integer) USING heap');SELECT worker_apply_shard_ddl_command (90830507, 'single_node', 'ALTER TABLE single_node.test_creating_distributed_relation_table_from_shard OWNER TO postgres')
  create_distributed_table
 ---------------------------------------------------------------------
 
@@ -2142,11 +2144,11 @@ NOTICE:  executing the command locally: SELECT worker_apply_shard_ddl_command (1
 
 -- these should error because shards cannot be used to:
 -- create distributed table
-SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard_102044', 'a');
+SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard_90830504', 'a');
-ERROR:  relation "test_creating_distributed_relation_table_from_shard_102044" is a shard relation
+ERROR:  relation "test_creating_distributed_relation_table_from_shard_90830504" is a shard relation
 -- create reference table
-SELECT create_reference_table('test_creating_distributed_relation_table_from_shard_102044');
+SELECT create_reference_table('test_creating_distributed_relation_table_from_shard_90830504');
-ERROR:  relation "test_creating_distributed_relation_table_from_shard_102044" is a shard relation
+ERROR:  relation "test_creating_distributed_relation_table_from_shard_90830504" is a shard relation
 RESET citus.shard_replication_factor;
 DROP TABLE test_creating_distributed_relation_table_from_shard;
 -- lets flush the copy often to make sure everyhing is fine

src/test/regress/expected/single_node_truncate.out

@@ -1,6 +1,7 @@
 CREATE SCHEMA single_node_truncate;
 SET search_path TO single_node_truncate;
 SET citus.shard_replication_factor TO 1;
+SET citus.next_shard_id TO 91630500;
 -- helper view that prints out local table names and sizes in the schema
 CREATE VIEW table_sizes AS
 SELECT
@@ -28,12 +29,12 @@ CREATE TABLE citus_local(id int, ref_id int REFERENCES ref(id));
 INSERT INTO citus_local SELECT x,x FROM generate_series(1,10000) x;
 -- verify that shell tables for citus local tables are empty
 SELECT * FROM table_sizes;
-        name        | has_data
+         name         | has_data
 ---------------------------------------------------------------------
- citus_local        | f
+ citus_local          | f
- citus_local_102049 | t
+ citus_local_91630501 | t
- ref                | t
+ ref                  | t
- ref_102048         | t
+ ref_91630500         | t
 (4 rows)
 
 -- verify that this UDF is noop on Citus local tables
@@ -44,12 +45,12 @@ SELECT truncate_local_data_after_distributing_table('citus_local');
 (1 row)
 
 SELECT * FROM table_sizes;
-        name        | has_data
+         name         | has_data
 ---------------------------------------------------------------------
- citus_local        | f
+ citus_local          | f
- citus_local_102049 | t
+ citus_local_91630501 | t
- ref                | t
+ ref                  | t
- ref_102048         | t
+ ref_91630500         | t
 (4 rows)
 
 -- test that we allow cascading truncates to citus local tables
@@ -62,12 +63,12 @@ NOTICE:  truncate cascades to table "citus_local"
 (1 row)
 
 SELECT * FROM table_sizes;
-        name        | has_data
+         name         | has_data
 ---------------------------------------------------------------------
- citus_local        | f
+ citus_local          | f
- citus_local_102049 | t
+ citus_local_91630501 | t
- ref                | f
+ ref                  | f
- ref_102048         | t
+ ref_91630500         | t
 (4 rows)
 
 ROLLBACK;
@@ -95,17 +96,17 @@ NOTICE:  truncate cascades to table "dist"
 (1 row)
 
 SELECT * FROM table_sizes;
-        name        | has_data
+         name         | has_data
 ---------------------------------------------------------------------
- citus_local        | f
+ citus_local          | f
- citus_local_102049 | t
+ citus_local_91630501 | t
- dist               | f
+ dist                 | f
- dist_102051        | t
+ dist_91630503        | t
- dist_102052        | t
+ dist_91630504        | t
- dist_102053        | t
+ dist_91630505        | t
- dist_102054        | t
+ dist_91630506        | t
- ref                | f
+ ref                  | f
- ref_102048         | t
+ ref_91630500         | t
 (9 rows)
 
 ROLLBACK;
@@ -118,17 +119,17 @@ SELECT truncate_local_data_after_distributing_table('dist');
 (1 row)
 
 SELECT * FROM table_sizes;
-        name        | has_data
+         name         | has_data
 ---------------------------------------------------------------------
- citus_local        | f
+ citus_local          | f
- citus_local_102049 | t
+ citus_local_91630501 | t
- dist               | f
+ dist                 | f
- dist_102051        | t
+ dist_91630503        | t
- dist_102052        | t
+ dist_91630504        | t
- dist_102053        | t
+ dist_91630505        | t
- dist_102054        | t
+ dist_91630506        | t
- ref                | t
+ ref                  | t
- ref_102048         | t
+ ref_91630500         | t
 (9 rows)
 
 ROLLBACK;

src/test/regress/sql/single_node.sql

@@ -975,6 +975,7 @@ SELECT pg_sleep(0.1);
 -- backend(s) that execute on the shards will be terminated
 -- so show that there no internal backends
 SET search_path TO single_node;
+SET citus.next_shard_id TO 90730500;
 SELECT count(*) from should_commit;
 SELECT count(*) FROM pg_stat_activity WHERE application_name LIKE 'citus_internal%';
 SELECT get_all_active_client_backend_count();
@@ -998,6 +999,7 @@ ROLLBACK;
 
 \c - - - :master_port
 SET search_path TO single_node;
+SET citus.next_shard_id TO 90830500;
 
 -- simulate that even if there is no connection slots
 -- to connect, Citus can switch to local execution
@@ -1069,14 +1071,14 @@ SELECT create_distributed_table('test_disabling_drop_and_truncate', 'a');
 SET citus.enable_manual_changes_to_shards TO off;
 
 -- these should error out
-DROP TABLE test_disabling_drop_and_truncate_102040;
+DROP TABLE test_disabling_drop_and_truncate_90830500;
-TRUNCATE TABLE test_disabling_drop_and_truncate_102040;
+TRUNCATE TABLE test_disabling_drop_and_truncate_90830500;
 
 RESET citus.enable_manual_changes_to_shards ;
 
 -- these should work as expected
-TRUNCATE TABLE test_disabling_drop_and_truncate_102040;
+TRUNCATE TABLE test_disabling_drop_and_truncate_90830500;
-DROP TABLE test_disabling_drop_and_truncate_102040;
+DROP TABLE test_disabling_drop_and_truncate_90830500;
 
 DROP TABLE test_disabling_drop_and_truncate;
 
@@ -1086,10 +1088,10 @@ SELECT create_distributed_table('test_creating_distributed_relation_table_from_s
 
 -- these should error because shards cannot be used to:
 -- create distributed table
-SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard_102044', 'a');
+SELECT create_distributed_table('test_creating_distributed_relation_table_from_shard_90830504', 'a');
 
 -- create reference table
-SELECT create_reference_table('test_creating_distributed_relation_table_from_shard_102044');
+SELECT create_reference_table('test_creating_distributed_relation_table_from_shard_90830504');
 
 RESET citus.shard_replication_factor;
 DROP TABLE test_creating_distributed_relation_table_from_shard;

src/test/regress/sql/single_node_truncate.sql

@@ -1,6 +1,7 @@
 CREATE SCHEMA single_node_truncate;
 SET search_path TO single_node_truncate;
 SET citus.shard_replication_factor TO 1;
+SET citus.next_shard_id TO 91630500;
 
 -- helper view that prints out local table names and sizes in the schema
 CREATE VIEW table_sizes AS