drh 083310dfcc Change the weighting of binary searches on tables to 1/10th the cost of a ...

search on an index.  Change the assumed reduction in search space from a
indexed range constraint from 1/3rd to 1/4th.  Do not let the estimated 
number of rows drop below 1.

FossilOrigin-Name: 4847c6cb71423248b186ab7842b97c83e2f5fefd

2011-01-28 01:57:41 +00:00

7.5 KiB

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