Github user asfgit commented on the issue:
https://github.com/apache/carbondata/pull/988
Refer to this link for build results (access rights to CI server needed):
https://builds.apache.org/job/carbondata-pr-spark-1.6/26/<h2>Failed Tests:
<span class='status-failure'>4</span></h2><h3><a
name='carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-spark-common-test'
/><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/26/org.apache.carbondata$carbondata-spark-common-test/testReport'>carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-spark-common-test</a>:
<span class='status-failure'>4</span></h3><ul><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/26/org.apache.carbondata$carbondata-spark-common-test/testReport/org.apache.carbondata.spark.testsuite.dataload/MultiFilesDataLoagdingTestCase/test_data_loading_for_multi_files_and_nested_folder/'><strong>org.apache.carbondata.spark.testsuite.dataload.MultiFilesDataLoagdingTestCase.test
data loading for multi files and nested folder</strong></a></li><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/26/org.apache.carbondata$carbondata-spark-com
mon-test/testReport/org.apache.carbondata.spark.testsuite.iud/HorizontalCompactionTestCase/test_IUD_Horizontal_Compaction_Check_Column_Cardinality/'><strong>org.apache.carbondata.spark.testsuite.iud.HorizontalCompactionTestCase.test
IUD Horizontal Compaction Check Column Cardinality</strong></a></li><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/26/org.apache.carbondata$carbondata-spark-common-test/testReport/org.apache.carbondata.spark.testsuite.iud/HorizontalCompactionTestCase/test_IUD_Horizontal_Compaction_Segment_Delete_Test_Case/'><strong>org.apache.carbondata.spark.testsuite.iud.HorizontalCompactionTestCase.test
IUD Horizontal Compaction Segment Delete Test Case</strong></a></li><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/26/org.apache.carbondata$carbondata-spark-common-test/testReport/org.apache.carbondata.spark.testsuite.iud/HorizontalCompactionTestCase/test_case_full_table_delete/'><strong>org.apache.carbondata.spark.testsuite.iud.
HorizontalCompactionTestCase.test case full table delete</strong></a></li></ul>
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