fix(pg-cdc): write transactional WAL message as heartbeat action (#19385

)

java/connector-node/risingwave-connector-service/src/main/resources/postgres.properties

@@ -19,9 +19,9 @@ publication.autocreate.mode=disabled
 publication.name=${publication.name:-rw_publication}
 # default heartbeat interval 5 mins
 heartbeat.interval.ms=${debezium.heartbeat.interval.ms:-300000}
-# emit a WAL message to the replication stream
+# emit a transactional WAL message to the replication stream
 # see https://github.com/risingwavelabs/risingwave/issues/16697 for more details
-heartbeat.action.query=SELECT pg_logical_emit_message(false, 'heartbeat', now()::varchar)
+heartbeat.action.query=SELECT pg_logical_emit_message(true, 'heartbeat', now()::varchar)
 # In sharing cdc source mode, we will subscribe to multiple tables in the given database,
 # so here we set ${table.name} to a default value `RW_CDC_Sharing` just for display.
 name=${hostname}:${port}:${database.name}.${schema.name}.${table.name:-RW_CDC_Sharing}