[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

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https://github.com/apache/spark/pull/9832#issuecomment-157998646
  
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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

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https://github.com/apache/spark/pull/9832#issuecomment-158007430
  
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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

Github user gatorsmile commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-158237944
  
Thank you for your helps!


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/spark/pull/9832


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[marmbrus]

Github user marmbrus commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-158193242
  
Thanks!  Merging to master and 1.6.


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

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

https://github.com/apache/spark/pull/9832#discussion_r45301615
  
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -580,6 +580,18 @@ class Dataset[T] private[sql](
*/
   def takeAsList(num: Int): java.util.List[T] = 
java.util.Arrays.asList(take(num) : _*)
 
+  /**
+   * Prints the plans (logical and physical) to the console for debugging 
purposes.
+   * @since 1.6.0
+   */
+  def explain(extended: Boolean): Unit = toDF().explain(extended)
+
+  /**
+   * Only prints the physical plan to the console for debugging purposes.
+   * @since 1.6.0
+   */
+  def explain(): Unit = explain(extended = false)
--- End diff --

A good idea! 


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[marmbrus]

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

https://github.com/apache/spark/pull/9832#discussion_r45301561
  
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -580,6 +580,18 @@ class Dataset[T] private[sql](
*/
   def takeAsList(num: Int): java.util.List[T] = 
java.util.Arrays.asList(take(num) : _*)
 
+  /**
+   * Prints the plans (logical and physical) to the console for debugging 
purposes.
+   * @since 1.6.0
+   */
+  def explain(extended: Boolean): Unit = toDF().explain(extended)
+
+  /**
+   * Only prints the physical plan to the console for debugging purposes.
+   * @since 1.6.0
+   */
+  def explain(): Unit = explain(extended = false)
--- End diff --

How about putting this in `Queryable`?


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

Github user gatorsmile commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-157955200
  
retest this please


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

Github user gatorsmile commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-157954378
  
Do you think this makes sense? @rxin @marmbrus @cloud-fan 


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

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https://github.com/apache/spark/pull/9832#issuecomment-157956994
  
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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

Github user gatorsmile commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-157971328
  
@marmbrus I moved the functions `explain` to `Queryable`. Please help me 
check if the implementation is OK. Thank you!


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

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

https://github.com/apache/spark/pull/9832#discussion_r45309152
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/Queryable.scala ---
@@ -34,4 +36,23 @@ private[sql] trait Queryable {
 s"Invalid tree; ${e.getMessage}:\n$queryExecution"
 }
   }
+
+  /**
+   * Prints the plans (logical and physical) to the console for debugging 
purposes.
+   * @since 1.3.0
+   */
+  def explain(extended: Boolean): Unit = {
+val explain = ExplainCommand(queryExecution.logical, extended = 
extended)
+DataFrame(sqlContext, 
explain).queryExecution.executedPlan.executeCollect().foreach {
--- End diff --

: ) Sure. Thanks! 


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[cloud-fan]

Github user cloud-fan commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-157977111
  
LGTM pending tests.


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[SparkQA]

Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-157975556
  
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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[cloud-fan]

Github user cloud-fan commented on a diff in the pull request:

https://github.com/apache/spark/pull/9832#discussion_r45309102
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/Queryable.scala ---
@@ -34,4 +36,23 @@ private[sql] trait Queryable {
 s"Invalid tree; ${e.getMessage}:\n$queryExecution"
 }
   }
+
+  /**
+   * Prints the plans (logical and physical) to the console for debugging 
purposes.
+   * @since 1.3.0
+   */
+  def explain(extended: Boolean): Unit = {
+val explain = ExplainCommand(queryExecution.logical, extended = 
extended)
+DataFrame(sqlContext, 
explain).queryExecution.executedPlan.executeCollect().foreach {
--- End diff --

maybe we can simplify this to 
`sqlContext.executePlan(explain).excutedPlan..`


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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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https://github.com/apache/spark/pull/9832#issuecomment-157975662
  
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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[gatorsmile]

GitHub user gatorsmile opened a pull request:

https://github.com/apache/spark/pull/9832

[SPARK-11848][SQL] Support EXPLAIN in DataSet APIs

When debugging DataSet API, I always need to print the logical and physical 
plans. 

I am wondering if we should provide a simple API for EXPLAIN?


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

$ git pull https://github.com/gatorsmile/spark explainDS

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

https://github.com/apache/spark/pull/9832.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 #9832


commit bf601a11901d4329e71eeaa632668c85f0232cc5
Author: gatorsmile 
Date:   2015-11-19T05:05:30Z

Support EXPLAIN in DataSet APIs

commit e857d4dc5216f2c214d234613fcbb36341234233
Author: gatorsmile 
Date:   2015-11-19T05:09:14Z

code clean




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[GitHub] spark pull request: [SPARK-11848][SQL] Support EXPLAIN in DataSet ...

[AmplabJenkins]

Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/9832#issuecomment-157955129
  
Merged build finished. Test FAILed.


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