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2011-10-07
17:52
Improved handling of OR terms in the WHERE clause with multi-column indexes. check-in: b23ae13187 user: drh tags: trunk
17:45
Add testcase() macros to ensure good test coverage. Closed-Leaf check-in: 5c13259282 user: drh tags: or-opt
16:08
More test cases for the OR optimization. check-in: 4997d8b81c user: drh tags: or-opt
14:40
Prevent infinite recursion of in the query planner for some pathological test cases by disabling OR-clause processing upon first recursion. check-in: 9fca05eac5 user: drh tags: or-opt
13:33
Begin an effort to enhance the query planner to do a better job with OR terms in the WHERE clause. This change allows ANDs outside of the OR to be factored into the OR terms if that is helpful in finding better indices. check-in: 876bd21aaa user: drh tags: or-opt
12:59
Enhance the sqlite3_data_count() routine so that it can be used to determine if SQLITE_DONE has been seen on the prepared statement. check-in: 9913996e7b user: drh tags: trunk