[GitHub] spark pull request: [SPARK-14554][SQL] disable whole stage codegen...

[gatorsmile <gi...@git.apache.org>]

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

    https://github.com/apache/spark/pull/12322#discussion_r64141139
  
    --- Diff: sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala ---
    @@ -620,6 +620,12 @@ class DatasetSuite extends QueryTest with SharedSQLContext {
         val df = streaming.join(static, Seq("b"))
         assert(df.isStreaming, "streaming Dataset returned false for 'isStreaming'.")
       }
    +
    +  test("SPARK-14554: Dataset.map may generate wrong java code for wide table") {
    +    val wideDF = sqlContext.range(10).select(Seq.tabulate(1000) {i => ('id + i).as(s"c$i")} : _*)
    +    // Make sure the generated code for this plan can compile and execute.
    +    wideDF.map(_.getLong(0)).collect()
    --- End diff --
    
    Do you know why this test case is super slow? It took more than 5 minutes to finish it. Is this expected?  
    
    ```
    - SPARK-14554: Dataset.map may generate wrong java code for wide table (5 minutes, 20 seconds)
    ```
    
    See the link: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59079/consoleFull


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