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8 check-ins using file src/select.c version 2534927341
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2018-07-28
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| 13:37 | An early attempt at refactoring Expr (Closed-Leaf check-in: fc90a53de7 user: drh tags: expr-simplify-branch1) | |
| 01:30 | Add assert() statements to sqlite3ExprDelete() that prove various symmetry properties of the Expr object that might be exploited to make the Expr object smaller and faster. (check-in: 81f25d5c84 user: drh tags: expr-simplify) | |
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2018-07-27
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| 23:33 | Improvements to the parser to increase coverage. Fix the parser so that at least one expresssion is required after PARTITION BY and within the list of expressions on VALUES(). (check-in: 02204f8b24 user: drh tags: trunk) | |
| 22:55 | When doing a DROP VIEW do not try to delete entries from the sqlite_stat1 table as there are none. (check-in: 7efdba2bbc user: drh tags: trunk) | |
| 22:14 | Minor grammar changes that help the parser run faster by reducing the number of NUL rule reductions. (check-in: cfd1b00592 user: drh tags: trunk) | |
| 20:45 | Enhance Makefile for MSVC to support building the shell tool without using the amalgamation. (check-in: 3d815d83a6 user: mistachkin tags: trunk) | |
| 20:37 | The WHERE-clause constant propagation optimization attempts to use transitive laws to replace column values with constants in the WHERE clause in order to help to query planner make more aggressive optimizations. (check-in: f4229707ac user: drh tags: trunk) | |
| 20:01 | Reduce the performance cost of the constant propagation optimization to less than 200,000 cycles. (Closed-Leaf check-in: 865249de68 user: drh tags: propagate-const-opt) | |