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27 ancestors of 1e1221fc4823a6bb6fc5d2408732e27aca585de9

2014-11-22
21:37
Always reinitialized the Index.bUnordered and Index.noSkipscan flags before rereading the sqlite_stat1 table, even if SQLITE_ENABLE_STAT4 is defined. (check-in: 1e1221fc user: drh tags: trunk)
19:52
Fix an error in the comments from the previous check-in. (check-in: 9660ce54 user: drh tags: trunk)
18:50
Deploy heuristics (well-commented) to better estimate how much unindexed terms in the WHERE clause filter the number of output rows from a single table. (check-in: 22165994 user: drh tags: trunk)
12:22
Remove a redundant test case (probably a copy/paste error). Add an assert() to where.c to ensure that automatic indexes do not have there output row counts adjusted downward by supplementary constraints. (check-in: eea47933 user: drh tags: trunk)
2014-11-20
23:21
Fix a typo in a requirements mark on the abs() SQL function. (check-in: b1e6c02f user: drh tags: trunk)
23:11
Fix a benign test error on PRAGMA collation_list introduced by a recent checkin. (check-in: 332cc959 user: drh tags: trunk)
23:03
Updates to requirements tags on the mutex documentation. (check-in: fcf8b7e4 user: drh tags: trunk)
19:22
Add requirements marks on the built-in collating functions. (check-in: 4b608b62 user: drh tags: trunk)
15:30
Ensure that when the number of cells on a page drops to zero that the freelist and fragment counter are both cleared. Also add evidence marks corresponding to file-format documentation. (check-in: ef9fbc08 user: drh tags: trunk)
02:58
Fix the encoding of some integers to use the minimum amount of space: -128, -32768, -8388608, -217483648, and -140737488355328. (check-in: 2d7c8da5 user: drh tags: trunk)
02:18
Add some requirements marks to the record formatting logic. Comment changes only - the code is unaltered. (check-in: 9a9627e1 user: drh tags: trunk)
2014-11-19
16:36
Add new requirements marks associated with the file format documentation. No changes to code. (check-in: 6d00bcca user: drh tags: trunk)
14:31
Completely remove an assert() that had previously been commented out. (check-in: 89b3c1c4 user: drh tags: trunk)
14:05
Add an ALWAYS on an always-true branch in wal.c. Fix the ANALYZE command so that it resets the "unordered" and "noskipscan" flags on indices when reloading the sqlite_stat1 table. (check-in: 9ed97a85 user: drh tags: trunk)
2014-11-18
21:54
Adding the "noskipscan" token to an sqlite_stat1.stat field prevents an index for being used with the skip-scan algorithm. (check-in: 4461bf04 user: drh tags: trunk)
21:45
Allow an automatic index to be used if the only uses of declared indexes for the same loop use the skip-scan algorithm. (check-in: c52f7971 user: drh tags: trunk)
20:49
Merge in all the other ROLLBACK fixes from the branch-3.8.7 branch. I don't know why I was doing them one-by-one. (check-in: 296b0c73 user: drh tags: trunk)
20:22
Fix a bug in the sqlite3TripAllCursors() routine that prevents it from reporting errors. It is unknown at this time whether or not this omission can result in any incorrect result in an actual query. (check-in: 2896f264 user: drh tags: trunk)
20:16
Update a couple of test cases to account for the fact that ROLLBACK does not always abort all running SELECT statements. (check-in: abccda76 user: drh tags: trunk)
12:28
Increment the version number to 3.8.7.2 (check-in: 945a9e68 user: drh tags: branch-3.8.7)
02:44
Add an ALWAYS() to an always-true conditional in the WAL rollback logic. (check-in: c5eae8a6 user: drh tags: branch-3.8.7)
2014-11-17
20:33
Remove code from sqlite3BtreeKeySize() made unreachable by the previous check-in. (check-in: 57c4aa98 user: drh tags: branch-3.8.7)
19:44
Avoid calling sqlite3BtreeKeysize() on a b-tree cursor in SKIPNEXT or SKIPPREV state. Cherrypick of [54e7d3fcb1]. (check-in: 2f2ecb99 user: dan tags: branch-3.8.7)
19:42
Avoid calling sqlite3BtreeKeysize() on a b-tree cursor in SKIPNEXT or SKIPPREV state. (check-in: 54e7d3fc user: dan tags: trunk)
19:25
Improved comments on the BtCursor.skipNext field. No changes to code. (check-in: e956e7db user: drh tags: branch-3.8.7)
17:13
When a SELECT statement is terminated by a ROLLBACK TO operation, make the error message be "abort due to ROLLBACK" rather than "callback requested query abort". (check-in: 34fc4a08 user: drh tags: branch-3.8.7)
15:32
Fix a bug in the sqlite3TripAllCursors() routine that prevents it from reporting errors. It is unknown at this time whether or not this omission can result in any incorrect result in an actual query. (check-in: 42588207 user: drh tags: branch-3.8.7)
15:22
Update a couple of test cases to account for the fact that ROLLBACK does not always abort all running SELECT statements. (check-in: eba171e9 user: dan tags: branch-3.8.7)