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| author | Koert Kuipers <koert@tresata.com> | 2016-07-04 12:14:14 +0800 |
|---|---|---|
| committer | Wenchen Fan <wenchen@databricks.com> | 2016-07-04 12:14:14 +0800 |
| commit | 8cdb81fa8264085b1bc04638b649b681ae871843 (patch) | |
| tree | 0f9ff2f8df401a2382e9be0dedc2980438564aa6 /examples/src/main/resources | |
| parent | 88134e736829f5f93a82879c08cb191f175ff8af (diff) | |
| download | spark-8cdb81fa8264085b1bc04638b649b681ae871843.tar.gz spark-8cdb81fa8264085b1bc04638b649b681ae871843.tar.bz2 spark-8cdb81fa8264085b1bc04638b649b681ae871843.zip | |
[SPARK-15204][SQL] improve nullability inference for Aggregator
## What changes were proposed in this pull request?
TypedAggregateExpression sets nullable based on the schema of the outputEncoder
## How was this patch tested?
Add test in DatasetAggregatorSuite
Author: Koert Kuipers <koert@tresata.com>
Closes #13532 from koertkuipers/feat-aggregator-nullable.
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