Do not use a long open transaction as it may have side-effects on really slow machines when other threads are trying to work with the database

Signed-off-by: Dominik <dl6er@dl6er.de>

src/database/query-table.c

@@ -593,8 +593,6 @@ static bool count_queries_on_disk(sqlite3 *memdb)
 	import_until = double_time();
 	import_from = import_until - config.webserver.api.maxHistory.v.ui;
 
-	SQL_bool(memdb, "BEGIN");
-
 	counted_queries = db_query_int_from_until(memdb,
 	                                                "SELECT COUNT(*) FROM disk.query_storage "
 	                                                "WHERE timestamp BETWEEN ? AND ?",
@@ -694,9 +692,6 @@ bool import_queries_from_disk(void)
 		log_debug(DEBUG_DATABASE, "Imported %i rows from disk.%s", imported[i], subtable_names[i]);
 	}
 
-	// End transaction
-	SQL_bool(memdb, "END");
-
 	disk_db_num = get_number_of_queries_in_DB(memdb, "disk.query_storage", NULL);
 	mem_db_num = imported_queries;