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https://issues.apache.org/jira/browse/CARBONDATA-2953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Akash R Nilugal updated CARBONDATA-2953:
----------------------------------------
Description:
# when dataload is done with sort columns, it fails with following exeptions
java.lang.ClassCastException: java.lang.Integer cannot be cast to [B
at
org.apache.carbondata.processing.sort.sortdata.IntermediateSortTempRowComparator.compare(IntermediateSortTempRowComparator.java:71)
at
org.apache.carbondata.processing.loading.sort.unsafe.holder.UnsafeInmemoryHolder.compareTo(UnsafeInmemoryHolder.java:71)
at
org.apache.carbondata.processing.loading.sort.unsafe.holder.UnsafeInmemoryHolder.compareTo(UnsafeInmemoryHolder.java:26)
at java.util.PriorityQueue.siftUpComparable(PriorityQueue.java:656)
at java.util.PriorityQueue.siftUp(PriorityQueue.java:647)
at java.util.PriorityQueue.offer(PriorityQueue.java:344)
at java.util.PriorityQueue.add(PriorityQueue.java:321)
at
org.apache.carbondata.processing.loading.sort.unsafe.merger.UnsafeSingleThreadFinalSortFilesMerger.startSorting(UnsafeSingleThreadFinalSortFilesMerger.java:129)
at
org.apache.carbondata.processing.loading.sort.unsafe.merger.UnsafeSingleThreadFinalSortFilesMerger.startFinalMerge(UnsafeSingleThreadFinalSortFilesMerger.java:94)
at
org.apache.carbondata.processing.loading.sort.impl.UnsafeParallelReadMergeSorterImpl.sort(UnsafeParallelReadMergeSorterImpl.java:110)
at
org.apache.carbondata.processing.loading.steps.SortProcessorStepImpl.execute(SortProcessorStepImpl.java:55)
at
org.apache.carbondata.processing.loading.steps.DataWriterProcessorStepImpl.execute(DataWriterProcessorStepImpl.java:112)
at
org.apache.carbondata.processing.loading.DataLoadExecutor.execute(DataLoadExecutor.java:51)
at
org.apache.carbondata.spark.rdd.NewCarbonDataLoadRDD$$anon$1.<init>(NewCarbonDataLoadRDD.scala:212)
at
org.apache.carbondata.spark.rdd.NewCarbonDataLoadRDD.internalCompute(NewCarbonDataLoadRDD.scala:188)
at org.apache.carbondata.spark.rdd.CarbonRDD.compute(CarbonRDD.scala:78)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
# when two sessions are running in parallel, the follow below steps in session1
## drop table
## create table
## load data to table
# follow below step in session2
## query on table(select * from table limit 1), then the query returns null
result instead for proper result
was:
# when dataload is done with sort columns, it fails with following exeptions
# when two sessions are running in parallel, the follow below steps in session1
## drop table
## create table
## load data to table
# follow below step in session2
## query on table(select * from table limit 1), then the query returns null
result instead for proper result
> Dataload fails when sort column is given, and query returns null value from
> another session
> -------------------------------------------------------------------------------------------
>
> Key: CARBONDATA-2953
> URL: https://issues.apache.org/jira/browse/CARBONDATA-2953
> Project: CarbonData
> Issue Type: Bug
> Reporter: Akash R Nilugal
> Assignee: Akash R Nilugal
> Priority: Minor
>
> # when dataload is done with sort columns, it fails with following exeptions
> java.lang.ClassCastException: java.lang.Integer cannot be cast to [B
> at
> org.apache.carbondata.processing.sort.sortdata.IntermediateSortTempRowComparator.compare(IntermediateSortTempRowComparator.java:71)
> at
> org.apache.carbondata.processing.loading.sort.unsafe.holder.UnsafeInmemoryHolder.compareTo(UnsafeInmemoryHolder.java:71)
> at
> org.apache.carbondata.processing.loading.sort.unsafe.holder.UnsafeInmemoryHolder.compareTo(UnsafeInmemoryHolder.java:26)
> at java.util.PriorityQueue.siftUpComparable(PriorityQueue.java:656)
> at java.util.PriorityQueue.siftUp(PriorityQueue.java:647)
> at java.util.PriorityQueue.offer(PriorityQueue.java:344)
> at java.util.PriorityQueue.add(PriorityQueue.java:321)
> at
> org.apache.carbondata.processing.loading.sort.unsafe.merger.UnsafeSingleThreadFinalSortFilesMerger.startSorting(UnsafeSingleThreadFinalSortFilesMerger.java:129)
> at
> org.apache.carbondata.processing.loading.sort.unsafe.merger.UnsafeSingleThreadFinalSortFilesMerger.startFinalMerge(UnsafeSingleThreadFinalSortFilesMerger.java:94)
> at
> org.apache.carbondata.processing.loading.sort.impl.UnsafeParallelReadMergeSorterImpl.sort(UnsafeParallelReadMergeSorterImpl.java:110)
> at
> org.apache.carbondata.processing.loading.steps.SortProcessorStepImpl.execute(SortProcessorStepImpl.java:55)
> at
> org.apache.carbondata.processing.loading.steps.DataWriterProcessorStepImpl.execute(DataWriterProcessorStepImpl.java:112)
> at
> org.apache.carbondata.processing.loading.DataLoadExecutor.execute(DataLoadExecutor.java:51)
> at
> org.apache.carbondata.spark.rdd.NewCarbonDataLoadRDD$$anon$1.<init>(NewCarbonDataLoadRDD.scala:212)
> at
> org.apache.carbondata.spark.rdd.NewCarbonDataLoadRDD.internalCompute(NewCarbonDataLoadRDD.scala:188)
> at org.apache.carbondata.spark.rdd.CarbonRDD.compute(CarbonRDD.scala:78)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
> # when two sessions are running in parallel, the follow below steps in
> session1
> ## drop table
> ## create table
> ## load data to table
> # follow below step in session2
> ## query on table(select * from table limit 1), then the query returns null
> result instead for proper result
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