David Anthoff

Conversion to and from tensors

2

@expandingman had this example on the [forum](https://discourse.julialang.org/t/ann-file-io-for-tabular-data/4712/8): > Suppose I have a table that has a DateTime column, a String column and two Float64 columns. I may, for example, need...

Implement these benchmarks

1

https://github.com/Rdatatable/data.table/wiki/Benchmarks-%3A-Grouping

It would be nice if the following syntax would work: ````julia rts = @from row in results begin @where row.trial >= 1 @group row by (row.sid, row.trial) into trial @let...

This example doesn't work without a collect for the sub-query currently, and that is annoying: ````julia rts = @from row in results begin @where row.trial >= 1 @group row by...

Use higher order approach to null lifting

3

This is a straw-man issue to put down my thoughts why this is not a good approach. There are two parts. The first is a discussion of some technical aspects....

This query doesn't work ``` julia q = @from i in df begin @select {c=i.a} @where i.c==3 @collect DataFrame end ``` Unclear what should actually happen in this case, but...

Implement a provider for the package manager

3

Would be fun if one could easily query the package manager database with Query.