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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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17 check-ins using file src/ctime.c version 2e39d337

2012-08-25
00:49
Backport check-in [62678be3df35cd]: When the same index is used for all OR-terms in a WHERE clause, then try to use that index as a covering index. Leaf check-in: 865dfcba user: drh tags: branch-3.7.2
2011-10-25
21:18
Cherrypick the [3513bf6ee090d9] so that the sqlite_source_id() function works correctly even with newer versions of Fossil check-in: 89d63a0e user: drh tags: branch-3.7.2
20:36
Cherrypick changes [53f5cfe115] and [1f7ef0af8d] in order to fix an issue with DISTINCT check-in: 14bc58ca user: drh tags: branch-3.7.2
2011-08-26
17:17
Cherrypick the recursion fix to test_vfs.c from [065e5a5ea4f82]. Also fix the nan.test module to handle upper/lower case changes in TCL. check-in: 41b5f869 user: drh tags: branch-3.7.2
2011-07-13
18:53
Cherrypicked from trunk: Do not try to use STAT2 for row estimates if the index is unique or nearly so. check-in: d55b64ef user: drh tags: branch-3.7.2
2011-07-12
14:48
Cherrypick change [9f14fa56ba] (the fix for [54844eea3f]) from the trunk. check-in: 7afb2354 user: dan tags: branch-3.7.2
2011-07-02
15:42
Cherrypick change [27c65d4d9c] into the 3.7.2 branch. check-in: 9bbcd8c0 user: dan tags: branch-3.7.2
13:34
Cherrypick [45e581bff7] into the 3.7.2 branch. check-in: c593792c user: dan tags: branch-3.7.2
2011-05-01
22:57
Backport check-ins [0900e35348f4b9bf3] and [4fead8e714c7e50] to the 3.7.2 branch. These check-ins provide hints to the btree layer for when it is possible to use a hash table rather than a btree to implement an index. The SQLite BTree layer does not use these hints, but alternative btree layers might. check-in: 7155e6f3 user: drh tags: branch-3.7.2
2011-04-15
15:18
Backport check-in [9f9f32882501ac9] to provide EXPLAIN QUERY PLAN output for the count(*) optimization. Also backport check-in [a8761a9128de945aa] to prevent unordered indices from being used on a full table scan. The first backport was necessary in order to test the second. check-in: 8d924e16 user: drh tags: branch-3.7.2
2011-04-09
03:30
Back port the unordered-index-hack to the 3.7.2 branch. check-in: 80353020 user: drh tags: branch-3.7.2
2011-04-08
23:36
Backport test cases from trunk that seek to prove that the IS NOT NULL query optimization is working. check-in: 9eff4702 user: drh tags: branch-3.7.2
23:05
Make sure the query planner is able to correctly analyze NULL value samples in the sqlite_stat2 table. This is a backport of changes from check-in [f73a167b434f] check-in: 1d637889 user: drh tags: branch-3.7.2
23:04
Make sure the left-hand side of the IS NOT NULL operator is a simple column and not a general expression before applying the IS NOT NULL optimization. This is a backport of check-in [543f75a6abe3]. check-in: e8177e01 user: drh tags: branch-3.7.2
2011-03-31
18:36
Provide hints to the btree layer Next and Previous primitives to let them know if they can be no-ops if the underlying index is unique. check-in: a5aae174 user: drh tags: branch-3.7.2
2011-03-17
01:53
Backport the "x IS NULL" query planner enhancement of [2353176811f] to the 3.7.2 branch. check-in: 68daf20d user: drh tags: branch-3.7.2
2011-03-12
05:55
Backport the SQLITE_OMIT_UNIQUE_ENFORCEMENT change from check-in [b86999436e] on the trunk. check-in: 668b91db user: shaneh tags: branch-3.7.2