[GitHub] dhatchayani commented on a change in pull request #3126: [WIP][CARBONDATA-3293] Prune datamaps improvement

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dhatchayani commented on a change in pull request #3126: [WIP][CARBONDATA-3293] Prune datamaps improvement
URL: https://github.com/apache/carbondata/pull/3126#discussion_r257687510
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/datamap/TableDataMap.java
 ##########
 @@ -499,4 +501,26 @@ public DataMapFactory getDataMapFactory() {
     }
     return prunedSegments;
   }
+
+  /**
+   * Prune the datamap of the given segments and return the Map of blocklet path and row count
+   *
+   * @param segments
+   * @param partitions
+   * @return
+   * @throws IOException
+   */
+  public Map<String, Integer> pruneBlockRowCount(List<Segment> segments,
+      final List<PartitionSpec> partitions) throws IOException {
+    Map<String, Integer> blockletToRowCountMap = new HashMap<>();
 
 Review comment:
   Please check the code below, partitions are used

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