GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/8026
[SPARK-9735][SQL]Respect the user specified schema than the infer partition
schema for HadoopFsRelation
To enable the unit test of `hadoopFsRelationSuite.Partition column type
casting`. It previously threw exception like:
···
11.521 ERROR org.apache.spark.executor.Executor: Exception in task 2.0 in
stage 2.0 (TID 130)
java.lang.ClassCastException: java.lang.Integer cannot be cast to
org.apache.spark.unsafe.types.UTF8String
at
org.apache.spark.sql.catalyst.expressions.BaseGenericInternalRow$class.getUTF8String(rows.scala:45)
at
org.apache.spark.sql.catalyst.expressions.SpecificMutableRow.getUTF8String(SpecificMutableRow.scala:195)
at
org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toScalaImpl(CatalystTypeConverters.scala:297)
at
org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toScalaImpl(CatalystTypeConverters.scala:289)
at
org.apache.spark.sql.catalyst.CatalystTypeConverters$CatalystTypeConverter.toScala(CatalystTypeConverters.scala:110)
at
org.apache.spark.sql.catalyst.CatalystTypeConverters$StructConverter.toScala(CatalystTypeConverters.scala:278)
at
org.apache.spark.sql.catalyst.CatalystTypeConverters$StructConverter.toScala(CatalystTypeConverters.scala:245)
at
org.apache.spark.sql.catalyst.CatalystTypeConverters$$anonfun$createToScalaConverter$2.apply(CatalystTypeConverters.scala:406)
at
org.apache.spark.sql.execution.SparkPlan$$anonfun$3$$anonfun$apply$2.apply(SparkPlan.scala:194)
at
org.apache.spark.sql.execution.SparkPlan$$anonfun$3$$anonfun$apply$2.apply(SparkPlan.scala:194)
at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
at
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
at
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
at scala.collection.AbstractIterator.to(Iterator.scala:1157)
at
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
at
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
at
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$12.apply(RDD.scala:905)
at
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$12.apply(RDD.scala:905)
at
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1836)
at
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1836)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
at org.apache.spark.scheduler.Task.run(Task.scala:88)
···
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark partition_discovery
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8026.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 #8026
----
commit 637e26fec1c00cad457f5ae92200b5f6700f1e36
Author: Cheng Hao <[email protected]>
Date: 2015-08-07T06:45:21Z
make lower priority of infer partition schema for HadoopFsRelation
----
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