Github user xuchuanyin commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2900#discussion_r230970553
--- Diff:
hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonTableInputFormat.java
---
@@ -575,6 +576,8 @@ private BitSet setMatchedPartitions(String
partitionIds, Expression filter,
*/
public BlockMappingVO getBlockRowCount(Job job, CarbonTable table,
List<PartitionSpec> partitions) throws IOException {
+ // no useful information for count star query without filter, so
disable explain collector
+ ExplainCollector.remove();
--- End diff --
I think this modification just try to avoid the problem but don't actually
solve the problem.
Can you explain what is the root cause of that problem?
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