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| author | Sameer Agarwal <sameer@databricks.com> | 2016-04-06 11:59:42 -0700 |
|---|---|---|
| committer | Yin Huai <yhuai@databricks.com> | 2016-04-06 11:59:42 -0700 |
| commit | bb1fa5b2182f384cb711fc2be45b0f1a8c466ed6 (patch) | |
| tree | 9b8a37bd7b069fc525c67a02861ab8acbad5a262 /project | |
| parent | af73d9737874f7adaec3cd19ac889ab3badb8e2a (diff) | |
| download | spark-bb1fa5b2182f384cb711fc2be45b0f1a8c466ed6.tar.gz spark-bb1fa5b2182f384cb711fc2be45b0f1a8c466ed6.tar.bz2 spark-bb1fa5b2182f384cb711fc2be45b0f1a8c466ed6.zip | |
[SPARK-14320][SQL] Make ColumnarBatch.Row mutable
## What changes were proposed in this pull request?
In order to leverage a data structure like `AggregateHashMap` (https://github.com/apache/spark/pull/12055) to speed up aggregates with keys, we need to make `ColumnarBatch.Row` mutable.
## How was this patch tested?
Unit test in `ColumnarBatchSuite`. Also, tested via `BenchmarkWholeStageCodegen`.
Author: Sameer Agarwal <sameer@databricks.com>
Closes #12103 from sameeragarwal/mutable-row.
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