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Posted to reviews@spark.apache.org by jaceklaskowski <gi...@git.apache.org> on 2018/01/26 11:48:57 UTC

[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

GitHub user jaceklaskowski opened a pull request:

    https://github.com/apache/spark/pull/20405

    [SPARK-23229][SQL] Dataset.hint should use planWithBarrier logical plan

    ## What changes were proposed in this pull request?
    
    Every time `Dataset.hint` is used it triggers execution of logical commands, their unions and hint resolution (among other things that analyzer does).
    
    `hint` should use `planWithBarrier` instead.
    
    Fixes https://issues.apache.org/jira/browse/SPARK-23229
    
    ## How was this patch tested?
    
    Existing unit tests, local build + awaiting Jenkins

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

    $ git pull https://github.com/jaceklaskowski/spark SPARK-23229-hint-planWithBarrier

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

    https://github.com/apache/spark/pull/20405.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 #20405
    
----
commit 47bb245353202208f2c41634c3796c8e4d2be663
Author: Jacek Laskowski <ja...@...>
Date:   2018-01-26T11:20:48Z

    [SPARK-23229][SQL] Dataset.hint should use planWithBarrier logical plan

----


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    **[Test build #93078 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/93078/testReport)** for PR 20405 at commit [`47bb245`](https://github.com/apache/spark/commit/47bb245353202208f2c41634c3796c8e4d2be663).


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by dongjoon-hyun <gi...@git.apache.org>.
Github user dongjoon-hyun commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    Gentle ping, @jaceklaskowski .


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164250206
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    I think @viirya has a valid concern. think about
    ```
    val df1 = spark.table("t").select("id")
    df1.hint("broadcast", "id")
    ```
    We should transform down the plan of `df1`, find the bottom table relation and apply the hint.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by maropu <gi...@git.apache.org>.
Github user maropu commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    kindly ping


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r186632978
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    shall we go with this workaround?


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by HyukjinKwon <gi...@git.apache.org>.
Github user HyukjinKwon commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    retest this please


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by jaceklaskowski <gi...@git.apache.org>.
Github user jaceklaskowski commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164267100
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    I thought that that's what `ResolveBroadcastHints` does --> https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveHints.scala#L93-L101, doesn't it? I'm going to write a test case for it to confirm (and that's what I was asking for in the email to dev@spark the other day).


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by jaceklaskowski <gi...@git.apache.org>.
Github user jaceklaskowski commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164191381
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    My understanding however is that `planWithBarrier` is already analyzed (and `ResolveBroadcastHints` as the very first rule had its chance to do its work). That's the extra processing `hint` does every time it's called. Using `planWithBarrier` makes it less "painful".
    
    Just use `hint` twice and see the analyzed plan.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164267184
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    @jaceklaskowski Because the logical plan is wrapped in analysis barrier, `ResolveBroadcastHints` can't traverse down it to reach the `UnresolvedRelation` at https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveHints.scala#L60-L61.
    



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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    I think this can be removed in favor of https://github.com/apache/spark/pull/21822


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    @HyukjinKwon Does the existing AnalysisBarrier introduce a regression when users use the hint like `df1.hint("broadcast", "t")`?


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    **[Test build #93559 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/93559/testReport)** for PR 20405 at commit [`47bb245`](https://github.com/apache/spark/commit/47bb245353202208f2c41634c3796c8e4d2be663).


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by dongjoon-hyun <gi...@git.apache.org>.
Github user dongjoon-hyun commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    @jaceklaskowski seems to ignore Git messages here. Should we ping him email since he is Spark dev mailing list?


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    **[Test build #93559 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/93559/testReport)** for PR 20405 at commit [`47bb245`](https://github.com/apache/spark/commit/47bb245353202208f2c41634c3796c8e4d2be663).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164340278
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    If we do that, it is basically as the same as passing the logical plan without barrier.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164340914
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
     ah, I see. makes sense to me.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164338606
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    a possible workaround is to explicitly go through the barrier in the hint resolution rules, so that we can still use barrier here and skip analysis in other analyzer rules.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by jaceklaskowski <gi...@git.apache.org>.
Github user jaceklaskowski commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    /cc @cloud-fan 


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    When we use a hint an analyzed plan goes through analysis again. If I remember it correctly it is happened before analysis barrier is introduced. This PR wants to wrap an AnalysisBarrier on it so we won't re-analyze it.


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r164102996
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    I think `ResolveBroadcastHints` rule will traverse recursively the children of logical plan. If we wrap it with a barrier, we can't be traverse down the tree.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by dongjoon-hyun <gi...@git.apache.org>.
Github user dongjoon-hyun commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    Hi, @jaceklaskowski . Could you close this PR?


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    **[Test build #86702 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/86702/testReport)** for PR 20405 at commit [`47bb245`](https://github.com/apache/spark/commit/47bb245353202208f2c41634c3796c8e4d2be663).


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by jaceklaskowski <gi...@git.apache.org>.
Github user jaceklaskowski commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    Looks like the tests failed due to _"java.io.IOException: Failed to delete: /home/jenkins/workspace/SparkPullRequestBuilder/target/tmp/spark-5a9b5811-306d-4ba0-8bfb-9e263ddf47b8"_ Is this because of the change or a "misnomer"?


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20405#discussion_r186637073
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -1216,7 +1216,7 @@ class Dataset[T] private[sql](
        */
       @scala.annotation.varargs
       def hint(name: String, parameters: Any*): Dataset[T] = withTypedPlan {
    -    UnresolvedHint(name, parameters, logicalPlan)
    +    UnresolvedHint(name, parameters, planWithBarrier)
    --- End diff --
    
    I think so. cc @jaceklaskowski 


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
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    Test PASSed.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by HyukjinKwon <gi...@git.apache.org>.
Github user HyukjinKwon commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    ping @jaceklaskowski 


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    probably.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    **[Test build #86702 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/86702/testReport)** for PR 20405 at commit [`47bb245`](https://github.com/apache/spark/commit/47bb245353202208f2c41634c3796c8e4d2be663).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request #20405: [SPARK-23229][SQL] Dataset.hint should use planWi...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/spark/pull/20405


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[GitHub] spark issue #20405: [SPARK-23229][SQL] Dataset.hint should use planWithBarri...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20405
  
    **[Test build #93078 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/93078/testReport)** for PR 20405 at commit [`47bb245`](https://github.com/apache/spark/commit/47bb245353202208f2c41634c3796c8e4d2be663).
     * This patch **fails to generate documentation**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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