Jiaming Yuan 1891cc766d
Fix metainfo from DataFrame. (#5216)
* Fix metainfo from DataFrame.

* Unify helper functions for data and meta.
2020-01-22 16:29:44 +08:00
..
2019-12-04 19:34:35 +08:00
2020-01-22 16:29:44 +08:00
2019-12-23 18:55:32 +08:00
2019-12-23 18:55:32 +08:00
2019-07-17 15:25:35 -07:00