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2020-08-19
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| 23:32 | [21fc30e5] part of check-in [871f2ddc] Do not skip over TK_IF_NULL_ROW operators when bypassing TK_COLLATE operators. Fix to check-in [ac31edd3eeafcef4] which was itself a fix for ticket [45f4bf4eb4ffd788]. (check-in: [871f2ddc] user: drh branch: trunk, size: 9488) | |
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2020-04-25
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| 15:01 | [7d24d095] part of check-in [ac31edd3] Ensure affinity is not discarded from a view column if the view appears on the rhs of a LEFT JOIN. Fix for [45f4bf4e]. (check-in: [ac31edd3] user: dan branch: trunk, size: 8971) | |
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2019-12-23
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| 15:17 | [659bc619] part of check-in [2f179749] Fix a case in which SQLite could fail to identify "x BETWEEN ? AND ?" being true as implying that x is not null. Ticket [dfd66334]. (check-in: [2f179749] user: dan branch: trunk, size: 8275) | |
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2018-05-02
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| 18:00 | [10f7047e] part of check-in [5f0e803e] Fix test cases so that they work with the new EXPLAIN QUERY PLAN output format. Only some of the cases have been fixed. This is an incremental check-in. (check-in: [5f0e803e] user: drh branch: rework-EQP, size: 7989) | |
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2018-03-27
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| 15:13 | [f5ea0fd3] part of check-in [f08c1731] The push-down optimization was being too aggressive such that it sometimes generated incorrect results. Reinstate the restriction (4) (with qualifications) that was removed by check-ins [b5d3dd8cb0b1e4] and [dd568c27b1d765]. (check-in: [f08c1731] user: drh branch: trunk, size: 8022) | |
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2018-03-20
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| 21:16 | [2339e3a8] part of check-in [5b7abecc] 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: [5b7abecc] user: drh branch: join-strength-reduction, size: 7611) | |
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2018-01-31
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| 14:07 | [f1b5ba94] part of check-in [74d857d1] Fix a failing assert() in the new code on this branch. (check-in: [74d857d1] user: dan branch: omit-left-join-fix, size: 7599) | |
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2018-01-29
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| 17:08 | [96f56ccf] part of check-in [88411a40] Update the omit-left-join optimization so that it works in some cases when the RHS is subject to a UNIQUE but not NOT NULL constraint. (check-in: [88411a40] user: dan branch: omit-left-join-fix, size: 7317) | |
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2017-11-23
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| 04:45 | [1a0c2639] part of check-in [b016c28f] Fix a problem in the omit-table-from-left-join optimization from check-in [0cd82ee9a8413cf] that was discovered by OSSFuzz. (check-in: [b016c28f] user: drh branch: trunk, size: 5632) | |
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2017-11-21
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| 19:22 | [ac70b2b7] part of check-in [618ca9fe] Update the omit-table-from-left-join optimization so that it can omit tables from the middle of the join as well as the end. (check-in: [618ca9fe] user: dan branch: left-join-optimization, size: 4932) | |
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2017-11-20
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| 15:45 | [770a9b6c] part of check-in [bff5dcfd] Fix a typo in a test script on this branch. (check-in: [bff5dcfd] user: dan branch: left-join-omit-fix, size: 3475) | |
| 14:40 | [8e3085b3] part of check-in [299d7ca5] Fix a problem preventing the planner from identifying scans that visit at most one row in cases where that property is guaranteed by a unique, not-null, non-IPK column that is the leftmost in its table. (check-in: [299d7ca5] user: dan branch: left-join-omit-fix, size: 3472) | |
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2017-01-10
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| 17:37 | [a48f723c] part of check-in [e500c15a] Add a test case for ticket [25e335f802dd]. (check-in: [e500c15a] user: dan branch: trunk, size: 2425) | |
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2005-01-21
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| 03:12 | [f2171c26] part of check-in [bb0254ab] Modify test scripts to work when SQLITE_OMIT_SUBQUERY (along with other OMIT macros) is defined. (CVS 2251) (check-in: [bb0254ab] user: danielk1977 branch: trunk, size: 1827) | |
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2004-01-24
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| 20:18 | Added: [c97e4c5a] part of check-in [3626f6d4] Add the ability to group FROM terms using parentheses. Names of columns in a join no longer include the table name. (CVS 1197) (check-in: [3626f6d4] user: drh branch: trunk, size: 1784) | |