Fix name

src/backend/distributed/operations/split_shard_replication_setup.c

@@ -89,7 +89,7 @@ static int NodeShardMappingHashCompare(const void *left, const void *right, Size
  * There is a 1-1 mapping between a table owner and a replication slot. One replication
  * slot takes care of replicating changes for all shards belonging to the same owner on a particular node.
  *
- * During the replication phase, 'decoding_plugin_for_shard_split' will attach to the shared memory
+ * During the replication phase, WAL senders will attach to the shared memory
  * populated by current UDF. It routes the tuple from the source shard to the appropriate destination
  * shard for which the respective slot is responsible.
  */

src/test/regress/expected/split_shard_replication_setup.out

@@ -27,7 +27,7 @@ SELECT create_distributed_table('table_to_split','id');
 --                ROW(1, 3 , 0 , 2147483647, 18 )
 --               ]
 --         );
--- 5. Create Replication slot with 'decoding_plugin_for_shard_split'
+-- 5. Create Replication slot with 'citus'
 -- 6. Setup Pub/Sub
 -- 7. Insert into table_to_split_1 at source worker1
 -- 8. Expect the results in either table_to_split_2 or table_to_split_3 at worker2

src/test/regress/sql/split_shard_replication_setup.sql

@@ -25,7 +25,7 @@ SELECT create_distributed_table('table_to_split','id');
 --                ROW(1, 3 , 0 , 2147483647, 18 )
 --               ]
 --         );
--- 5. Create Replication slot with 'decoding_plugin_for_shard_split'
+-- 5. Create Replication slot with 'citus'
 -- 6. Setup Pub/Sub
 -- 7. Insert into table_to_split_1 at source worker1
 -- 8. Expect the results in either table_to_split_2 or table_to_split_3 at worker2