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11 check-ins related to "prefer-coroutine-sort-subquery"

2017-10-02
02:52
The query planner now always prefers to implement a FROM-clause subquery using a co-routine rather than flattening the subquery into the outer query. check-in: c9104b59 user: drh tags: trunk
2017-09-30
11:47
More details in the header comment of pushDownWhereTerms(). No changes to code. Closed-Leaf check-in: 92848623 user: drh tags: prefer-coroutine-sort-subquery
10:50
Make sure the SQLITE_Stat34 optimization switch is always 0x800, a value which is hard-coded in the TH3 test suite. check-in: 6aed4ea3 user: drh tags: prefer-coroutine-sort-subquery
01:25
Fix unreachable conditionals and revise a testcase that was made obsolete by the changes on this branch. check-in: 71f0adf7 user: drh tags: prefer-coroutine-sort-subquery
2017-09-29
22:13
Always render a subquery that is not part of a join as a co-routine. check-in: 6b1651d7 user: drh tags: prefer-coroutine-sort-subquery
16:08
Merge the query flattener comment improvements from trunk. check-in: f62cd4d9 user: drh tags: prefer-coroutine-sort-subquery
16:07
Clean up the comments on the query flattener to more clearly and accurately express the conditions under which the flattener is able to run. check-in: 0840f9f8 user: drh tags: trunk
14:31
Merge changes from trunk. check-in: 06f432fb user: drh tags: prefer-coroutine-sort-subquery
12:44
Make sure the 6th parameter to the authorizer callback for view subqueries has the correct view name. check-in: 2a45bbc9 user: drh tags: trunk
2017-09-28
20:06
Do not flatten subqueries that contain an ORDER BY or GROUP BY clause and can be implemented using a co-routine. check-in: 042d655d user: drh tags: prefer-coroutine-sort-subquery
17:29
Remove the (undocumented) query-planner control that prevents a "SELECT ALL" subquery in FROM clause from being implemented as a co-routine. This control was added by [a29e117d7ec], where it was called a "stop-gap". check-in: ff2f5a31 user: drh tags: trunk