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Overview
| Comment: | In the STAT4 computations, ensure that the aAvgEq values do not go negative. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | branch-3.8.9 |
| Files: | files | file ages | folders |
| SHA1: |
4f83f6806aa6816656668feb18136950 |
| User & Date: | drh 2017-01-11 14:21:20.464 |
Context
|
2017-05-22
| ||
| 00:27 | When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. (check-in: 962531e7c1 user: drh tags: branch-3.8.9) | |
|
2017-01-11
| ||
| 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) | |
|
2016-11-02
| ||
| 16:29 | When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4] backported to the 3.8.9 branch. (check-in: 8e4ba115ed user: drh tags: branch-3.8.9) | |
Changes
Changes to src/analyze.c.
| ︙ | ︙ | |||
1615 1616 1617 1618 1619 1620 1621 |
|| aSample[i].anDLt[iCol]!=aSample[i+1].anDLt[iCol]
){
sumEq += aSample[i].anEq[iCol];
nSum100 += 100;
}
}
| | | 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 |
|| 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;
}
}
}
|
| ︙ | ︙ |