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5 check-ins related to "join-strength-reduction"
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2018-03-22
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| 12:00 | Add the left join strength reduction optimization. Enhance the push-down optimization so that it works with many LEFT JOINs. (check-in: dd568c27b1 user: drh tags: trunk) | |
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2018-03-21
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| 01:59 | Relax LEFT-JOIN restrictions on the push-down optimization. (Closed-Leaf check-in: b5d3dd8cb0 user: drh tags: join-strength-reduction) | |
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2018-03-20
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| 22:52 | Do a more thorough job of cleaning traces of the strength-reduced LEFT JOIN. (check-in: 08833dda3a user: drh tags: join-strength-reduction) | |
| 21:16 | If terms of the WHERE clause require that the right table in a LEFT JOIN not be a null row, then simplify the LEFT JOIN into an ordinary JOIN. (check-in: 5b7abecc7a user: drh tags: join-strength-reduction) | |
| 19:02 | Fix incorrect testcase labels on two cases in join5.test. No changes to code. (check-in: 4661ac81c9 user: drh tags: trunk) | |