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From "Zheng Hu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19749) Revisit logic of UserScanQueryMatcher#mergeFilterResponse method
Date Wed, 10 Jan 2018 07:45:00 GMT
Zheng Hu created HBASE-19749:
--------------------------------

             Summary: Revisit  logic of UserScanQueryMatcher#mergeFilterResponse method
                 Key: HBASE-19749
                 URL: https://issues.apache.org/jira/browse/HBASE-19749
             Project: HBase
          Issue Type: Bug
            Reporter: Zheng Hu
            Assignee: Zheng Hu


As HBASE-19748  comment ,   there are following  points to be optimized: 

1. when the number of cells exceed max version in scan, we should return SEEK_NEXT_COL match
code, but if current code is INCLUDE_AND_SEEK_NEXT_ROW, we can optimize to choose the max
step between SEEK_NEXT_COL and INCLUDE_AND_SEEK_NEXT_ROW, which is SEEK_NEXT_ROW 
2.  check to call  ColumnTracker#doneWithColumn()  only when we change the match code to SEEK_NEXT_COL
or INCLUDE_AND_SEEK_NEXT_COL because of  filterResponse. 
3.  More UT for those edge case.. 

https://issues.apache.org/jira/browse/HBASE-19729?focusedCommentId=16318131&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16318131



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