Jiaming Yuan f2b8cd2922 Add number of columns to native data iterator. (#5202) ...

* Change native data iter into an adapter.

2020-02-25 23:42:01 +08:00

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main

[jvm-packages] do not use multiple jobs to make checkpoints (#5082)

2020-02-01 19:36:39 -08:00

native

Add number of columns to native data iterator. (#5202)

2020-02-25 23:42:01 +08:00

test

Revert "[jvm-packages] update rabit, surface new changes to spark, add parity and failure tests (#4876)" (#4965)

2019-10-18 14:02:35 -07:00