Jan Finis

> > It isn't clear to me if this should be a logical type or a physical type. We would need understand if there is different handling for forward compatibility...

@zhongyujiang (as I can't answer your comment directly). Here is the problem with your suggestion of checking `nanCount == valueCount` for checking for only NaNs: > @mapleFU To your general...

The gist of all opened issues is the question how to encode pages/column chunks that contain only NaNs. This is actually only an issue for the `ColumnIndex`. For statistics in...

I finally have time to continue on this. Sorry for the long wait. As @gszadovszky has highlighted, we have to store a valid double/float value into the min/max bounds of...

@tustvold @crepererum Do I interpret your answer correctly in that your suggestion would be to * Create a new `ColumnOrder` for floats that simply is defined as IEEE 754 total...

> > @mapleFU @gszadovszky @pitrou @wgtmac What is your opinion on this proposal? > > It's difficult to say without understanding the implications. Say a data page contains some NaNs,...

@tustvold I actually already have the change ready in my local repo. I was just distracted by other work and it seemed there was little interest so far in advancing...

I hate to not stick to my word, but I won't be able to create the PR today, as my wife is going into labor and I'll have to drive...

Okay, finally done. As the new solution (total order) does not share a single line with the current solution and this PR gets quite long and contrived, I created a...

Yes, I would like to merge this, as the problem still persists. I guess what's missing now is mostly 2 open source implementations. I currently do not have the time...