Task #8721: comments

LTA/ltastorageoverview/lib/ltaso/create_db_ltastorageoverview.sql

@@ -373,6 +373,8 @@ $BODY$
 LANGUAGE plpgsql VOLATILE
 COST 100;
 
+-- use DEFERRABLE INITIALLY DEFERRED CONSTRAINT trigger which fires only once upon committing the file inserts
+-- then run method on_directory_update_cache_commit_do_update_dir_stats to collect all inserted fileinfo's into dir/tree stats
 CREATE CONSTRAINT TRIGGER trigger_on_directory_update_cache_commit_do_update_dir_stats
 AFTER INSERT
 ON lta._directory_update_cache