protected List<SQLCheckConstraint> getCheckConstraintsInternal(String catName, final String db_name_input,
                                                                     final String tbl_name_input, boolean allowSql,
                                                                 boolean allowJdo)
      throws MetaException, NoSuchObjectException {
    final String db_name = normalizeIdentifier(db_name_input);
    final String tbl_name = normalizeIdentifier(tbl_name_input);
    return new GetListHelper<SQLCheckConstraint>(normalizeIdentifier(catName), db_name, tbl_name,
        allowSql, allowJdo) {

      @Override
      protected List<SQLCheckConstraint> getSqlResult(GetHelper<List<SQLCheckConstraint>> ctx)
          throws MetaException {
        return directSql.getCheckConstraints(catName, db_name, tbl_name);
      }

      @Override
      protected List<SQLCheckConstraint> getJdoResult(GetHelper<List<SQLCheckConstraint>> ctx)
          throws MetaException, NoSuchObjectException {
        return getCheckConstraintsViaJdo(catName, db_name, tbl_name);
      }
    }.run(false);
  }
Get partition's column stats

@return Map of column name and its stats
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java