presto-spi/src/main/java/io/prestosql/spi/type/TimeWithTimeZoneType.java/TimeWithTimeZoneType/equalTo
class TimeWithTimeZoneType:    @Override
    public boolean equalTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
    {
        long leftValue = unpackMillisUtc(leftBlock.getLong(leftPosition, 0));
        long rightValue = unpackMillisUtc(rightBlock.getLong(rightPosition, 0));
        return leftValue == rightValue;
    }