ds.Close()
		}
	}
}

// debugGetPut determines whether getConn & putConn calls' stack traces
// are returned for more verbose crashes.
const debugGetPut = false

// putConn adds a connection to the db's free pool.
// err is optionally the last error that occurred on this connection.
func (db *DB) putConn(dc *driverConn, err error, resetSession bool) {
	if !errors.Is(err, driver.ErrBadConn) {

			waitingForConn := make(chan struct{})

			go func() {
				defer close(afterPutConn)

				conn, err := db.conn(ctx, alwaysNewConn)
				if err == nil {
					db.putConn(conn, err, false)
				} else {
					t.Errorf("db.conn: %v", err)
				}
			}()
			go func() {
				defer close(waitingForConn)

				for {
					if t.Failed() {
						return
					}

            update(4);
        }

        @Override
        public void putLong(long value) {
            buffer.putLong(value);
            update(8);
        }

        @Override
        public void putDouble(double value) {
            long longValue = Double.doubleToRawLongBits(value);
            putLong(longValue);
        }

        @Override
        public void putBoolean(boolean value) {

    public static UniqueId from(UUID uuid) {
        long msb = uuid.getMostSignificantBits();
        long lsb = uuid.getLeastSignificantBits();

        byte[] bytes = new byte[16];
        ByteBuffer.wrap(bytes).putLong(msb).putLong(lsb);
        String value = ENCODING.encode(bytes);

        return new UniqueId(value);
    }

    public static UniqueId from(String string) {
        if (PATTERN.matcher(string).matches()) {

    public LongValueSnapshot(Long value) {
        super(value);
    }

    @Override
    public void appendToHasher(Hasher hasher) {
        hasher.putLong(getValue());
    }

        }
    }

    public static void putLongs(Hasher hasher, long[] array) {
        hasher.putInt(array.length);
        for (long l : array) {
            hasher.putLong(l);
        }
    }

    public static void putInts(Hasher hasher, int[] array) {
        hasher.putInt(array.length);
        for (int i : array) {
            hasher.putInt(i);
        }
    }

     */
    void putByte(byte value);

    /**
     * Feed an integer byte into the hasher.
     */
    void putInt(int value);

    /**
     * Feed a long value byte into the hasher.
     */
    void putLong(long value);

    /**
     * Feed a double value into the hasher.
     */
    void putDouble(double value);

    /**
     * Feed a boolean value into the hasher.
     */
    void putBoolean(boolean value);

     */
    void putByte(byte value);

    /**
     * Feed an integer byte into the hasher.
     */
    void putInt(int value);

    /**
     * Feed a long value byte into the hasher.
     */
    void putLong(long value);

    /**
     * Feed a double value into the hasher.
     */
    void putDouble(double value);

    /**
     * Feed a boolean value into the hasher.
     */
    void putBoolean(boolean value);

        return theUnsafe.getLong(array, (long) offset + BYTE_ARRAY_BASE_OFFSET);
      }

      @Override
      public void putLongLittleEndian(byte[] array, int offset, long value) {
        theUnsafe.putLong(array, (long) offset + BYTE_ARRAY_BASE_OFFSET, value);
      }
    },
    UNSAFE_BIG_ENDIAN {
      @Override
      public long getLongLittleEndian(byte[] array, int offset) {

        return theUnsafe.getLong(array, (long) offset + BYTE_ARRAY_BASE_OFFSET);
      }

      @Override
      public void putLongLittleEndian(byte[] array, int offset, long value) {
        theUnsafe.putLong(array, (long) offset + BYTE_ARRAY_BASE_OFFSET, value);
      }
    },
    UNSAFE_BIG_ENDIAN {
      @Override
      public long getLongLittleEndian(byte[] array, int offset) {