Vinish Reddy created HUDI-9346:
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             Summary: Support getColumnStats to look up stats for multiple 
columns in MDT
                 Key: HUDI-9346
                 URL: https://issues.apache.org/jira/browse/HUDI-9346
             Project: Apache Hudi
          Issue Type: Improvement
          Components: metadata
            Reporter: Vinish Reddy
            Assignee: Vinish Reddy


getColumnStats today supports looking up the stats of one column, adding a new 
method in the interface to support multiple columns will be useful as we will 
open the HFileReader once, look up multiple keys and then return the results 
back. 

{{  @Override}}
{{  public Map<Pair<String, String>, List<HoodieMetadataColumnStats>> 
getColumnStats(List<Pair<String, String>> partitionNameFileNameList, 
List<String> columnNames) throws HoodieMetadataException {}}
{{   ...}}
{{  }}}



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