[jira] [Created] (HBASE-13193) RegionScannerImpl filters should not be reset if a partial Result is returned

["Jonathan Lawlor (JIRA)" <ji...@apache.org>]

Jonathan Lawlor created HBASE-13193:
---------------------------------------

             Summary: RegionScannerImpl filters should not be reset if a partial Result is returned
                 Key: HBASE-13193
                 URL: https://issues.apache.org/jira/browse/HBASE-13193
             Project: HBase
          Issue Type: Bug
            Reporter: Jonathan Lawlor
            Assignee: Jonathan Lawlor


In RegionScannerImpl the filters get reset during calls to nextRaw:

{code}

public NextState nextRaw(List<Cell> outResults, int batchLimit, long remainingResultSize)
        throws IOException {
  ...
  resetFilters();

  if (isFilterDoneInternal()) {
  ...
}
{code}

This creates a problem when returning partial Results because filters should only be reset in between rows (i.e. after all of the cells for a particular row have been returned). If a partial Result is returned, there are still cells in the row that have not been evaluated yet and we should avoid resetting the filter since it will wipe away all state information for that filter.



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