private static Object getValue()

in server/src/main/java/org/apache/calcite/avatica/jdbc/JdbcResultSet.java [186:245]
57 lines of code
31 McCabe index (conditional complexity)

  private static Object getValue(ResultSet resultSet, int type, int j,
      Calendar calendar) throws SQLException {
    switch (type) {
    case Types.BIGINT:
      final long aLong = resultSet.getLong(j + 1);
      return aLong == 0 && resultSet.wasNull() ? null : aLong;
    case Types.INTEGER:
      final int anInt = resultSet.getInt(j + 1);
      return anInt == 0 && resultSet.wasNull() ? null : anInt;
    case Types.SMALLINT:
      final short aShort = resultSet.getShort(j + 1);
      return aShort == 0 && resultSet.wasNull() ? null : aShort;
    case Types.TINYINT:
      final byte aByte = resultSet.getByte(j + 1);
      return aByte == 0 && resultSet.wasNull() ? null : aByte;
    case Types.DOUBLE:
    case Types.FLOAT:
      final double aDouble = resultSet.getDouble(j + 1);
      return aDouble == 0D && resultSet.wasNull() ? null : aDouble;
    case Types.REAL:
      final float aFloat = resultSet.getFloat(j + 1);
      return aFloat == 0D && resultSet.wasNull() ? null : aFloat;
    case Types.DATE:
      final Date aDate = resultSet.getDate(j + 1, calendar);
      return aDate == null
          ? null
          : (int) (aDate.getTime() / DateTimeUtils.MILLIS_PER_DAY);
    case Types.TIME:
      final Time aTime = resultSet.getTime(j + 1, calendar);
      return aTime == null
          ? null
          : (int) (aTime.getTime() % DateTimeUtils.MILLIS_PER_DAY);
    case Types.TIMESTAMP:
      final Timestamp aTimestamp = resultSet.getTimestamp(j + 1, calendar);
      return aTimestamp == null ? null : aTimestamp.getTime();
    case Types.ARRAY:
      final Array array = resultSet.getArray(j + 1);
      if (null == array) {
        return null;
      }
      try {
        // Recursively extracts an Array using its ResultSet-representation
        return extractUsingResultSet(array, calendar);
      } catch (UnsupportedOperationException | SQLFeatureNotSupportedException e) {
        // Not every database might implement Array.getResultSet(). This call
        // assumes a non-nested array (depends on the db if that's a valid assumption)
        return extractUsingArray(array, calendar);
      }
    case Types.STRUCT:
      Struct struct = resultSet.getObject(j + 1, Struct.class);
      Object[] attrs = struct.getAttributes();
      List<Object> list = new ArrayList<>(attrs.length);
      for (Object o : attrs) {
        list.add(o);
      }
      return list;
    default:
      return resultSet.getObject(j + 1);
    }
  }