Jiaming Yuan b52c4e13b0
[dask] Fix empty partition with pandas input. (#7644)
Empty partition is different from empty dataset.  For the former case, each worker has
non-empty dask collections, but each collection might contain empty partition.
2022-02-14 19:35:51 +08:00
..
2021-03-20 16:52:40 +08:00