2014-04-30 14:53:21
— part of check-in
[9b975bf33c]
on branch experimental-costs
— Update a couple of test cases to account for the fact that this branch prefers an index scan and partial sort over a full-table scan and full external sort.
(user:
dan
size: 5922)
2014-04-30 15:22:25
— part of check-in
[90e3667647]
on branch trunk
— Modify the way the costs of various query plans are estimated. If the user supplies a likelihood() value (or equivalent) on an indexed WHERE constraint, use it to estimate the number of index rows visited.
(user:
dan
size: 5922)