public static boolean isInsertOnlyTable(Properties params) {
    return isInsertOnlyTable(Maps.fromProperties(params));
  }
Checks if a table is a transactional table that only supports INSERT, but not UPDATE/DELETE
@param params table properties
@return true if table is an INSERT_ONLY table, false otherwise
ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java