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| author | Wenchen Fan <wenchen@databricks.com> | 2015-11-10 11:14:25 -0800 |
|---|---|---|
| committer | Michael Armbrust <michael@databricks.com> | 2015-11-10 11:14:25 -0800 |
| commit | dfcfcbcc0448ebc6f02eba6bf0495832a321c87e (patch) | |
| tree | ce199b98e0397da47033ec347789f56a4088f31f /sql/hive | |
| parent | 47735cdc2a878cfdbe76316d3ff8314a45dabf54 (diff) | |
| download | spark-dfcfcbcc0448ebc6f02eba6bf0495832a321c87e.tar.gz spark-dfcfcbcc0448ebc6f02eba6bf0495832a321c87e.tar.bz2 spark-dfcfcbcc0448ebc6f02eba6bf0495832a321c87e.zip | |
[SPARK-11578][SQL][FOLLOW-UP] complete the user facing api for typed aggregation
Currently the user facing api for typed aggregation has some limitations:
* the customized typed aggregation must be the first of aggregation list
* the customized typed aggregation can only use long as buffer type
* the customized typed aggregation can only use flat type as result type
This PR tries to remove these limitations.
Author: Wenchen Fan <wenchen@databricks.com>
Closes #9599 from cloud-fan/agg.
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