[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

Github user hvanhovell closed the pull request at:

https://github.com/apache/spark/pull/9568


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

Github user hvanhovell commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155710292
  
Move to scala 2.10.5 fixed this. Closing PR.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[yhuai]

Github user yhuai commented on a diff in the pull request:

https://github.com/apache/spark/pull/9568#discussion_r44450530
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/udaf.scala ---
@@ -452,7 +452,7 @@ private[sql] case class ScalaUDAF(
   }
 
   override def toString: String = {
-s"""${udaf.getClass.getSimpleName}(${children.mkString(",")})"""
--- End diff --

So, this is the cause of that `InternalError`?


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/9568#discussion_r44469882
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/udaf.scala ---
@@ -452,7 +452,7 @@ private[sql] case class ScalaUDAF(
   }
 
   override def toString: String = {
-s"""${udaf.getClass.getSimpleName}(${children.mkString(",")})"""
--- End diff --

The ```getSimpleName``` call on the defined class causes the internal error.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[yhuai]

Github user yhuai commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155587438
  
How about we add the link to the scala issue in our description and in our 
code comment?


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

Github user hvanhovell commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155589310
  
Sounds like a good idea. I'll add this in the morning.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

Github user hvanhovell commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155582285
  
This is actually a scala problem: 
https://issues.scala-lang.org/browse/SI-9051


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[yhuai]

Github user yhuai commented on a diff in the pull request:

https://github.com/apache/spark/pull/9568#discussion_r44487589
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/expressions/udaf.scala ---
@@ -129,6 +129,13 @@ abstract class UserDefinedAggregateFunction extends 
Serializable {
 isDistinct = true)
 Column(aggregateExpression)
   }
+
+  /**
+* The name of the UDAF. This is currently the simple name of class. 
This can create an
+* [[java.lang.InternalError]] if the UDAF class was created in the 
REPL; override this method
+* in these cases.
+*/
+  def name: String = getClass.getSimpleName
--- End diff --

I am wondering if we can catch the error and re-throw it with a more 
informative error message? In our error message, we can let the user know 
he/she needs to override `def name` to workaround that Scala issue.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

GitHub user hvanhovell opened a pull request:

https://github.com/apache/spark/pull/9568

[SPARK-11594][SQL][REPL] Cannot create UDAF in REPL

This PR enables users to create a UDAF in the REPL without getting a 
```java.lang.InternalError```.

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

$ git pull https://github.com/hvanhovell/spark SPARK-11594

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

https://github.com/apache/spark/pull/9568.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 #9568


commit 401230c51ad93425c90ec3c58746dbfba154410c
Author: Herman van Hovell 
Date:   2015-11-09T13:21:29Z

Enable the creation of a UDAF in the REPL.




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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[hvanhovell]

Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/9568#discussion_r44273796
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/expressions/udaf.scala ---
@@ -129,6 +129,13 @@ abstract class UserDefinedAggregateFunction extends 
Serializable {
 isDistinct = true)
 Column(aggregateExpression)
   }
+
+  /**
+* The name of the UDAF. This is currently the simple name of class. 
This can create an
+* [[java.lang.InternalError]] if the UDAF class was created in the 
REPL; override this method
+* in these cases.
+*/
+  def name: String = getClass.getSimpleName
--- End diff --

I am not catching a ```java.lang.InternalError``` here, because I think 
these shouldn't be caught at all (the error could have different cause). We 
enable the use to redefine the name to work arround this problem.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155060787
  
 Merged build triggered.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155060826
  
Merged build started.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155064676
  
**[Test build #45364 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45364/consoleFull)**
 for PR 9568 at commit 
[`401230c`](https://github.com/apache/spark/commit/401230c51ad93425c90ec3c58746dbfba154410c).


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155118459
  
Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-11594][SQL][REPL] Cannot create UDAF in...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/9568#issuecomment-155118230
  
**[Test build #45364 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45364/consoleFull)**
 for PR 9568 at commit 
[`401230c`](https://github.com/apache/spark/commit/401230c51ad93425c90ec3c58746dbfba154410c).
 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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