[GitHub] spark pull request: [SPARK-13363][SQL] support Aggregator in DataF...

[cloud-fan]

GitHub user cloud-fan opened a pull request:

https://github.com/apache/spark/pull/12359

[SPARK-13363][SQL] support Aggregator in DataFrame

## What changes were proposed in this pull request?

set the input encoder for `TypedColumn` in `RelationalGroupedDataset.agg`.


## How was this patch tested?

new tests in `DatasetAggregatorSuite`

close https://github.com/apache/spark/pull/11269

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/cloud-fan/spark agg

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/spark/pull/12359.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #12359


commit f4ec1ef138dba21640485d1d8acd1114156671ab
Author: Wenchen Fan 
Date:   2016-04-13T12:47:07Z

support Aggregator in DataFrame




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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[maropu]

Github user maropu closed the pull request at:

https://github.com/apache/spark/pull/11269


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[rxin]

Github user rxin commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186943609
  
@maropu mind closing this for now?


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[maropu]

Github user maropu commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186571725
  
@cloud-fan okay, after the merging finished, I'll revisit this.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[cloud-fan]

Github user cloud-fan commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186234980
  
We are merging DataFrame and Dataset now, I think we should revisit this PR 
after that.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186219892
  
Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186219900
  
Test FAILed.
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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186219376
  
**[Test build #51556 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/51556/consoleFull)**
 for PR 11269 at commit 
[`58205e2`](https://github.com/apache/spark/commit/58205e2e4c66e83d6cc1761daa3ca490da23097d).
 * This patch **fails Spark unit tests**.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186199631
  
**[Test build #51556 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/51556/consoleFull)**
 for PR 11269 at commit 
[`58205e2`](https://github.com/apache/spark/commit/58205e2e4c66e83d6cc1761daa3ca490da23097d).


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[maropu]

Github user maropu commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186194169
  
Jenkins, retest this please.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186182221
  
**[Test build #51550 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/51550/consoleFull)**
 for PR 11269 at commit 
[`58205e2`](https://github.com/apache/spark/commit/58205e2e4c66e83d6cc1761daa3ca490da23097d).
 * This patch **fails Spark unit tests**.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186182478
  
Test FAILed.
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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186182475
  
Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/11269#issuecomment-186160060
  
**[Test build #51550 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/51550/consoleFull)**
 for PR 11269 at commit 
[`58205e2`](https://github.com/apache/spark/commit/58205e2e4c66e83d6cc1761daa3ca490da23097d).


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[GitHub] spark pull request: [SPARK-13363][SQL] Support Aggregator in DataF...

[maropu]

GitHub user maropu opened a pull request:

https://github.com/apache/spark/pull/11269

[SPARK-13363][SQL] Support Aggregator in DataFrame

Support user-defined `Aggregator`s in DataFrame.
Currently, the code below does not work because of an unresolved error in 
`CheckAnalysis`.
```
val simpleSum = new SqlAggregator[Int, Int, Int] {
  def zero: Int = 0 // The initial value.
  def reduce(b: Int, a: Int) = b + a// Add an element to the running 
total
  def merge(b1: Int, b2: Int) = b1 + b2 // Merge intermediate values.
  def finish(b: Int) = b// Return the final result.
}.toColumn

val df = sc.makeRDD(1 to 3).map(i => (i, i)).toDF("k", "v")
df.groupBy("k").agg(simpleSum).show
```

This pr fix this and add tests according to `DatasetAggregatorSuite`.

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/maropu/spark SupportAggregatorInDF

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/spark/pull/11269.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #11269






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