code: private static int doDeleteAll(CallInfo callInfo, Table table) {
      DB db = table.getDB();
      return db.access(callInfo, () -> {
        String sql = DELETE_FROM_ + table.getName();
        db.logSetup(callInfo, sql);
        try (WrappedStatement ws = db.compile(sql)) {
          return ws.getStatement().executeUpdate();
        }
      });
    }
docs: Perform a "delete-all" operation.
  @param callInfo Call info.
  @param table Table.
  @return Number of deleted rows.