Ejemplo n.º 1
0
  /**
   * @param columnIndex
   * @param bits
   * @param offset
   * @param length
   * @param conn
   * @param rs
   * @param cal
   * @return
   * @throws SQLException
   */
  protected java.sql.Date getNativeDate(
      int columnIndex,
      byte[] bits,
      int offset,
      int length,
      MySQLConnection conn,
      ResultSetImpl rs,
      Calendar cal)
      throws SQLException {

    int year = 0;
    int month = 0;
    int day = 0;

    if (length != 0) {
      year = (bits[offset + 0] & 0xff) | ((bits[offset + 1] & 0xff) << 8);

      month = bits[offset + 2];
      day = bits[offset + 3];
    }

    if (length == 0 || ((year == 0) && (month == 0) && (day == 0))) {
      if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL.equals(
          conn.getZeroDateTimeBehavior())) {
        return null;
      } else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION.equals(
          conn.getZeroDateTimeBehavior())) {
        throw SQLError.createSQLException(
            "Value '0000-00-00' can not be represented as java.sql.Date",
            SQLError.SQL_STATE_ILLEGAL_ARGUMENT,
            this.exceptionInterceptor);
      }

      year = 1;
      month = 1;
      day = 1;
    }

    if (!rs.useLegacyDatetimeCode) {
      return TimeUtil.fastDateCreate(year, month, day, cal);
    }

    return rs.fastDateCreate(
        cal == null ? rs.getCalendarInstanceForSessionOrNew() : cal, year, month, day);
  }
Ejemplo n.º 2
0
  protected Object getNativeDateTimeValue(
      int columnIndex,
      byte[] bits,
      int offset,
      int length,
      Calendar targetCalendar,
      int jdbcType,
      int mysqlType,
      TimeZone tz,
      boolean rollForward,
      MySQLConnection conn,
      ResultSetImpl rs)
      throws SQLException {

    int year = 0;
    int month = 0;
    int day = 0;

    int hour = 0;
    int minute = 0;
    int seconds = 0;

    int nanos = 0;

    if (bits == null) {

      return null;
    }

    Calendar sessionCalendar =
        conn.getUseJDBCCompliantTimezoneShift()
            ? conn.getUtcCalendar()
            : rs.getCalendarInstanceForSessionOrNew();

    boolean populatedFromDateTimeValue = false;

    switch (mysqlType) {
      case MysqlDefs.FIELD_TYPE_DATETIME:
      case MysqlDefs.FIELD_TYPE_TIMESTAMP:
        populatedFromDateTimeValue = true;

        if (length != 0) {
          year = (bits[offset + 0] & 0xff) | ((bits[offset + 1] & 0xff) << 8);
          month = bits[offset + 2];
          day = bits[offset + 3];

          if (length > 4) {
            hour = bits[offset + 4];
            minute = bits[offset + 5];
            seconds = bits[offset + 6];
          }

          if (length > 7) {
            // MySQL uses microseconds
            nanos =
                ((bits[offset + 7] & 0xff)
                        | ((bits[offset + 8] & 0xff) << 8)
                        | ((bits[offset + 9] & 0xff) << 16)
                        | ((bits[offset + 10] & 0xff) << 24))
                    * 1000;
          }
        }

        break;
      case MysqlDefs.FIELD_TYPE_DATE:
        populatedFromDateTimeValue = true;

        if (bits.length != 0) {
          year = (bits[offset + 0] & 0xff) | ((bits[offset + 1] & 0xff) << 8);
          month = bits[offset + 2];
          day = bits[offset + 3];
        }

        break;
      case MysqlDefs.FIELD_TYPE_TIME:
        populatedFromDateTimeValue = true;

        if (bits.length != 0) {
          // bits[0] // skip tm->neg
          // binaryData.readLong(); // skip daysPart
          hour = bits[offset + 5];
          minute = bits[offset + 6];
          seconds = bits[offset + 7];
        }

        year = 1970;
        month = 1;
        day = 1;

        break;
      default:
        populatedFromDateTimeValue = false;
    }

    switch (jdbcType) {
      case Types.TIME:
        if (populatedFromDateTimeValue) {
          if (!rs.useLegacyDatetimeCode) {
            return TimeUtil.fastTimeCreate(
                hour, minute, seconds, targetCalendar, this.exceptionInterceptor);
          }

          Time time =
              TimeUtil.fastTimeCreate(
                  rs.getCalendarInstanceForSessionOrNew(),
                  hour,
                  minute,
                  seconds,
                  this.exceptionInterceptor);

          Time adjustedTime =
              TimeUtil.changeTimezone(
                  conn,
                  sessionCalendar,
                  targetCalendar,
                  time,
                  conn.getServerTimezoneTZ(),
                  tz,
                  rollForward);

          return adjustedTime;
        }

        return rs.getNativeTimeViaParseConversion(columnIndex + 1, targetCalendar, tz, rollForward);

      case Types.DATE:
        if (populatedFromDateTimeValue) {
          if ((year == 0) && (month == 0) && (day == 0)) {
            if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL.equals(
                conn.getZeroDateTimeBehavior())) {

              return null;
            } else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION.equals(
                conn.getZeroDateTimeBehavior())) {
              throw new SQLException(
                  "Value '0000-00-00' can not be represented as java.sql.Date",
                  SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
            }

            year = 1;
            month = 1;
            day = 1;
          }

          if (!rs.useLegacyDatetimeCode) {
            return TimeUtil.fastDateCreate(year, month, day, targetCalendar);
          }

          return rs.fastDateCreate(rs.getCalendarInstanceForSessionOrNew(), year, month, day);
        }

        return rs.getNativeDateViaParseConversion(columnIndex + 1);
      case Types.TIMESTAMP:
        if (populatedFromDateTimeValue) {
          if ((year == 0) && (month == 0) && (day == 0)) {
            if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL.equals(
                conn.getZeroDateTimeBehavior())) {

              return null;
            } else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION.equals(
                conn.getZeroDateTimeBehavior())) {
              throw new SQLException(
                  "Value '0000-00-00' can not be represented as java.sql.Timestamp",
                  SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
            }

            year = 1;
            month = 1;
            day = 1;
          }

          if (!rs.useLegacyDatetimeCode) {
            return TimeUtil.fastTimestampCreate(tz, year, month, day, hour, minute, seconds, nanos);
          }

          Timestamp ts =
              rs.fastTimestampCreate(
                  rs.getCalendarInstanceForSessionOrNew(),
                  year,
                  month,
                  day,
                  hour,
                  minute,
                  seconds,
                  nanos);

          Timestamp adjustedTs =
              TimeUtil.changeTimezone(
                  conn,
                  sessionCalendar,
                  targetCalendar,
                  ts,
                  conn.getServerTimezoneTZ(),
                  tz,
                  rollForward);

          return adjustedTs;
        }

        return rs.getNativeTimestampViaParseConversion(
            columnIndex + 1, targetCalendar, tz, rollForward);

      default:
        throw new SQLException(
            "Internal error - conversion method doesn't support this type",
            SQLError.SQL_STATE_GENERAL_ERROR);
    }
  }