Yijie Shen be5c5d3741 [SPARK-9081] [SPARK-9168] [SQL] nanvl & dropna/fillna supporting nan as well ... JIRA: https://issues.apache.org/jira/browse/SPARK-9081 https://issues.apache.org/jira/browse/SPARK-9168 This PR target at two modifications: 1. Change `isNaN` to return `false` on `null` input 2. Make `dropna` and `fillna` to fill/drop NaN values as well 3. Implement `nanvl` Author: Yijie Shen <henry.yijieshen@gmail.com> Closes #7523 from yjshen/fillna_dropna and squashes the following commits: f0a51db [Yijie Shen] make coalesce untouched and implement nanvl 1d3e35f [Yijie Shen] make Coalesce aware of NaN in order to support fillna 2760cbc [Yijie Shen] change isNaN(null) to false as well as implement dropna		2015-07-21 08:25:50 -07:00
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main	[SPARK-9081] [SPARK-9168] [SQL] nanvl & dropna/fillna supporting nan as well	2015-07-21 08:25:50 -07:00
test	[SPARK-9081] [SPARK-9168] [SQL] nanvl & dropna/fillna supporting nan as well	2015-07-21 08:25:50 -07:00