drh 5f26e00761 Enhance the query planner cost estimation for index scans to take into account
WHERE clause terms that can be computed using only the index and that do not
require looking up rows in the original table.  This fixes an obscure
performance regression that arose when the ORDER BY LIMIT optimization was
added by check-in [bf46179d44843].

FossilOrigin-Name: 9e2b26811452a5011d0a97a689636fa4409da856
2016-07-27 19:30:53 +00:00
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2016-07-27 19:20:58 +00:00
2016-04-21 15:03:37 +00:00