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| author | Travis Crawford <travis@medium.com> | 2016-03-30 16:59:52 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2016-03-30 16:59:52 -0700 |
| commit | da54abfd8730ef752eca921089bcf568773bd24a (patch) | |
| tree | caffe6260f202b2ab1834630546891c5401c8b96 /sql/hive/src/main | |
| parent | 258a2434193aae62999102a8df73ca70bf0cb9f1 (diff) | |
| download | spark-da54abfd8730ef752eca921089bcf568773bd24a.tar.gz spark-da54abfd8730ef752eca921089bcf568773bd24a.tar.bz2 spark-da54abfd8730ef752eca921089bcf568773bd24a.zip | |
[SPARK-14081][SQL] - Preserve DataFrame column types when filling nulls.
## What changes were proposed in this pull request?
This change resolves an issue where `DataFrameNaFunctions.fill` changes a `FloatType` column to a `DoubleType`. We also clarify the contract that replacement values will be cast to the column data type, which may change the replacement value when casting to a lower precision type.
## How was this patch tested?
This patch has associated unit tests.
Author: Travis Crawford <travis@medium.com>
Closes #11967 from traviscrawford/SPARK-14081-dataframena.
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