GitHub user maropu opened a pull request:
https://github.com/apache/spark/pull/17717
[SPARK-20430][SQL] Initialise RangeExec parameters in a driver side
## What changes were proposed in this pull request?
This pr initialised `RangeExec` parameters in a driver side.
In the current master, a query below throws `NullPointerException`;
```
sql("SET spark.sql.codegen.wholeStage=false")
sql("SELECT * FROM range(1)").show
17/04/20 17:11:05 ERROR Executor: Exception in task 0.0 in stage 0.0 (TID 0)
java.lang.NullPointerException
at
org.apache.spark.sql.execution.SparkPlan.sparkContext(SparkPlan.scala:54)
at
org.apache.spark.sql.execution.RangeExec.numSlices(basicPhysicalOperators.scala:343)
at
org.apache.spark.sql.execution.RangeExec$$anonfun$20.apply(basicPhysicalOperators.scala:506)
at
org.apache.spark.sql.execution.RangeExec$$anonfun$20.apply(basicPhysicalOperators.scala:505)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsWithIndex$1$$anonfun$apply$26.apply(RDD.scala:844)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsWithIndex$1$$anonfun$apply$26.apply(RDD.scala:844)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
at
org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:108)
at
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:320)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
```
## How was this patch tested?
Added a test in `DataFrameSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/maropu/spark SPARK-20430
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17717.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 #17717
----
commit da833f2df46be7a2866756da93957d090291189f
Author: Takeshi Yamamuro <yamam...@apache.org>
Date: 2017-04-21T13:23:04Z
Initialize Range parameters in a driver side
----
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