ZhangXin created ORC-1170:
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             Summary: [C++] Optimize the RowReader::seekToRow function
                 Key: ORC-1170
                 URL: https://issues.apache.org/jira/browse/ORC-1170
             Project: ORC
          Issue Type: Improvement
            Reporter: ZhangXin


The RowReader::seekToRow() function always call startNextStripe() to seek to
the beginning of target stripe. However, when PPD is enabled many calls
are still staying in the same stripe which results in many unnecessary calls. 



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