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Comment:In the STAT4 computations, ensure that the aAvgEq values do not go negative.
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SHA1: f58f75b5a06f88ba97bd1a02bee621c64691c6f8
User & Date: drh 2017-01-11 14:15:29.635
Context
2017-01-11
21:03
Changes to allow some multi-row UPDATE statements to avoid the two-pass approach. (check-in: 7ae6104a3e user: dan tags: trunk)
16:52
Attempt to detect physical sector sizes on Windows 8 and higher. (check-in: 381fd34b97 user: mistachkin tags: winSectorSize)
14:21
In the STAT4 computations, ensure that the aAvgEq values do not go negative. (check-in: 4f83f6806a user: drh tags: branch-3.8.9)
14:15
In the STAT4 computations, ensure that the aAvgEq values do not go negative. (check-in: f58f75b5a0 user: drh tags: trunk)
2017-01-10
17:37
Add a test case for ticket [25e335f802dd]. (check-in: e500c15a9f user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/analyze.c.
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         || aSample[i].anDLt[iCol]!=aSample[i+1].anDLt[iCol] 
        ){
          sumEq += aSample[i].anEq[iCol];
          nSum100 += 100;
        }
      }

      if( nDist100>nSum100 ){
        avgEq = ((i64)100 * (nRow - sumEq))/(nDist100 - nSum100);
      }
      if( avgEq==0 ) avgEq = 1;
      pIdx->aAvgEq[iCol] = avgEq;
    }
  }
}








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         || aSample[i].anDLt[iCol]!=aSample[i+1].anDLt[iCol] 
        ){
          sumEq += aSample[i].anEq[iCol];
          nSum100 += 100;
        }
      }

      if( nDist100>nSum100 && sumEq<nRow ){
        avgEq = ((i64)100 * (nRow - sumEq))/(nDist100 - nSum100);
      }
      if( avgEq==0 ) avgEq = 1;
      pIdx->aAvgEq[iCol] = avgEq;
    }
  }
}
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