public static boolean isInsertOnlyTable(Map<String, String> params) {
    String transactionalProp = params.get(hive_metastoreConstants.TABLE_TRANSACTIONAL_PROPERTIES);
    return INSERTONLY_TRANSACTIONAL_PROPERTY.equalsIgnoreCase(transactionalProp);
  }
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