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| author | Liang-Chi Hsieh <simonh@tw.ibm.com> | 2016-07-23 10:27:16 +0800 |
|---|---|---|
| committer | Wenchen Fan <wenchen@databricks.com> | 2016-07-23 10:27:16 +0800 |
| commit | e10b8741d86a0a625d28bcb1c654736a260be85e (patch) | |
| tree | 61c33b519258245ac269c10157497415eef7859b /mllib | |
| parent | 47f5b88db4d65f1870b16745d3c93d01051ba20b (diff) | |
| download | spark-e10b8741d86a0a625d28bcb1c654736a260be85e.tar.gz spark-e10b8741d86a0a625d28bcb1c654736a260be85e.tar.bz2 spark-e10b8741d86a0a625d28bcb1c654736a260be85e.zip | |
[SPARK-16622][SQL] Fix NullPointerException when the returned value of the called method in Invoke is null
## What changes were proposed in this pull request?
Currently we don't check the value returned by called method in `Invoke`. When the returned value is null and is assigned to a variable of primitive type, `NullPointerException` will be thrown.
## How was this patch tested?
Jenkins tests.
Author: Liang-Chi Hsieh <simonh@tw.ibm.com>
Closes #14259 from viirya/agg-empty-ds.
Diffstat (limited to 'mllib')
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