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  1. Couchbase Server
  2. MB-56937

[BP to 7.1.5/7.2.1 MB-55552] - CBO: incorrect calculation of index selectivity when multiple spans exist

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    Description

      From code inspection.
      When the index scan has multiple spans, index selectivity may not be calculated properly.

       

      Issue Resolution
      When an index scan had multiple spans, index selectivity was incorrectly calculated. Index selectivity for multiple index spans is now correctly calculated.

      Attachments

        For Gerrit Dashboard: MB-56937
        # Subject Branch Project Status CR V
        191112,2 MB-56937 Proper calculation of index selectivity for multiple index spans neo query Status: MERGED +2 +1
        191113,2 MB-56937 Proper calculation of index selectivity for multiple index spans neo query-ee Status: MERGED +2 +1
        191120,2 MB-56937 Proper calculation of index selectivity for multiple index spans 7.1.x query Status: MERGED +2 +1
        191121,2 MB-56937 Proper calculation of index selectivity for multiple index spans 7.1.x query-ee Status: MERGED +2 +1
        191126,2 MB-56937 Fix unit test neo query Status: MERGED +2 +1
        191127,2 MB-56937 Fix unit test 7.1.x query Status: MERGED +2 +1
        191215,2 MB-56937 More unit test fixes neo query Status: MERGED +2 +1
        191218,2 MB-56937 More unit test fixes 7.1.x query Status: MERGED +2 +1

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            bingjie.miao Bingjie Miao
            bingjie.miao Bingjie Miao
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            Dates

              Created:
              Updated:
              Resolved:

              PagerDuty