Philippe Canal
Philippe Canal
> (similar to `TTree::Draw`'s `$Alt` operation) This reminds me ... what about the case where the column is a collection? (In particular `$Alt` was implemented to fill-in collection within an...
> Could you provide an example of how this can happen? AFAIU, it is not possible to read an entry from a branch of type say std::vector where some entries...
> (windows failure is about the file used in the tutorial being stuck by another process). However I am not seeing quickly the reason for it but if it happened...
> This use case is fairly simple with RDataFrame and has been supported for a very long time, also it is really unrelated to this PR. Here is an example...
> `Alt$` vs `RVec::Take with back fill value` > also it is really unrelated to this PR. It is related to this PR as the 2 features needs to work...
> If this is what you are after, I agree with this idea and I will add it to the unit testing suite of this PR. Yes, this is exactly...
> FilterMissing(colname): works in the same way as the traditional Filter operation, where the "expression" is "is the value missing?". If so, the entry is kept, if not, it is...
Can one of the failing case be run under valgrind?
``` > [a] Fatal Root Error: @SUB=TBufferFile::WriteByteCount > bytecount too large (more than 1073741822) ``` This indicates that one attempted to write more than 1GB in a single `TBuffer/TBasket`, this...
This would indicates that it is an histogram or tree that is 'too large'.