[GitHub] [carbondata] QiangCai commented on a change in pull request #3411: [WIP] Fix NPE in multi-thread pruning on NonTransactional tables

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QiangCai commented on a change in pull request #3411: [WIP] Fix NPE in multi-thread pruning on NonTransactional tables
URL: https://github.com/apache/carbondata/pull/3411#discussion_r336340540
 
 

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 File path: core/src/main/java/org/apache/carbondata/core/datamap/TableDataMap.java
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 @@ -167,8 +167,9 @@ public CarbonTable getTable() {
         }
       } else {
         for (DataMap dataMap : dataMaps.get(segment)) {
+          // TODO: just for test will be reverted back after test
           pruneBlocklets.addAll(
-              dataMap.prune(filter.getExpression(), segmentProperties, partitions, table));
+              dataMap.prune(filter.getNewCopyOfExpression(), segmentProperties, partitions, table));
 
 Review comment:
   please revert to old code

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