code: private boolean isIntegerColumn(String columnName, List<String> tableNames, boolean debugPrint) {
          List<String> intColumnTypes = Arrays.asList("TINYINT", "SMALLINT", "INTEGER", "BIGINT");
          return isColumnType(intColumnTypes, columnName, tableNames, debugPrint);
      }
docs: Returns true if the <i>columnName</i> is an integer column (including
  types TINYINT, SMALLINT, INTEGER, BIGINT, or equivalents in a
  comparison, non-VoltDB database); false otherwise.