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This Day In History For 2018-04-30

2 Years Ago (more context)

2016-04-30
19:23
Change the way tester.tcl handes $argv so that in "permutations.test <permutation> <filename>" <filename> may be the name of any file in the test/ directory. (check-in: 820c57bb24 user: dan tags: trunk)
18:10
Remove an unnecessary branch from the OP_String8 opcode. (check-in: 459a0b456d user: drh tags: trunk)
17:19
More bug fixes to Lemon identified by Kelvin Sherlock. None of these have any impact on SQLite. (check-in: 762bdc55f8 user: drh tags: trunk)
02:59
Simplifications to the OP_Halt opcode implementation. (check-in: daf4630f96 user: drh tags: trunk)

3 Years Ago (more context)

2015-04-30
20:42 Edit [7ed86dd3b85ee092|7ed86dd3b8]: Mark "Closed". (artifact: fe9d8a4459 user: drh)
20:35
Enhance the CLI to initialize the dbstat virtual table if compiled using SQLITE_ENABLE_STAT_VTAB. (check-in: 822dfc0017 user: drh tags: trunk)
20:33
Fix a harmless comment typo. (check-in: 012a0c4e84 user: drh tags: trunk)
20:26
Avoid dropping an error code in test function sqlite3_dbstat_register(). (check-in: 9a9f633f03 user: dan tags: trunk)
13:06
Modify the mkfuzzdata1.tcl script so that it retains the culled test vectors in the tmp2 subdirectory. (check-in: 431a958f3b user: drh tags: trunk)
12:31
Fix signed/unsigned comparison compiler warnings. Add the SQLITE_OMIT_RANDOMNESS compile-time option to cause the PRNG to be seeded identically on every run, for testing purposes. (check-in: 93ce2bca70 user: drh tags: trunk)

4 Years Ago (more context)

2014-04-30
20:32
Merge in all recent changes and enhancements from trunk. (check-in: 84243f8444 user: drh tags: win32-none)
18:11
Fix a problem in calculating the costs of "OR" scans. (check-in: 9bbca48b42 user: dan tags: trunk)
15:22
Modify the way the costs of various query plans are estimated. If the user supplies a likelihood() value (or equivalent) on an indexed WHERE constraint, use it to estimate the number of index rows visited. (check-in: 90e3667647 user: dan tags: trunk)
15:00
Add text to the header comment of whereLoopAddBtree() describing how the costs of various b-tree loops are estimated. (Closed-Leaf check-in: 05e6e16cb2 user: dan tags: experimental-costs)
14:53
Update a couple of test cases to account for the fact that this branch prefers an index scan and partial sort over a full-table scan and full external sort. (check-in: 9b975bf33c user: dan tags: experimental-costs)
14:47
Fix a couple of out-of-date comments in where.c. (check-in: eefeda32d5 user: dan tags: experimental-costs)
14:22
Improved rendering of LogEst values corresponding to real values near 0.0 in the tool/logest.c utility program. (check-in: 32910c8c59 user: drh tags: experimental-costs)
13:19
Fix long-standing typos in comments. (check-in: b9f91317c3 user: drh tags: experimental-costs)

5 Years Ago (more context)

2013-04-30
14:26 Fixed ticket [19b44e3575]: sqlite3_bind_text inconsistent with NULL pointers, zero length etc plus 4 other changes (artifact: f0937c04cb user: drh)
14:25
Update the documentation to explain that when the 3rd parameter to sqlite3_bind_text() and friends is NULL the result is to bind a NULL SQL value. Ticket [19b44e35753ba] (check-in: bd92de0e8d user: drh tags: trunk)
14:07 Fixed ticket [28c6e830f2]: Segfault while parsing/compiling an SQL statement plus 5 other changes (artifact: 6702b47b1d user: drh)
14:06
Make sure extra parentheses around subqueries in the FROM clause are harmless. Ticket [28c6e830f239ea5]. (check-in: 1c79569226 user: drh tags: trunk)
13:26 New ticket [28c6e830f2] Segfault while parsing/compiling an SQL statement. (artifact: a81f8ab6a7 user: drh)
07:58
Add the #ifdefs for sqlite3ErrName() to sqliteInt.h as well. (Closed-Leaf check-in: 400fc4c37f user: mistachkin tags: winOsTrace)
07:54
Define the sqlite3ErrName() function only when necessary. More robust handling of unknown return codes. (check-in: e47cd31437 user: mistachkin tags: winOsTrace)

10 Years Ago (more context)

2008-04-30
16:38
Add comment to speculate when setting journal_mode=OFF on VACUUM does not help performance. No changes to code. (CVS 5071) (check-in: 9c8b4babb2 user: drh tags: trunk)
15:55
Improved option handling in speedtest8.c. Added -quiet and -priority options. Added reporting of total user and system time. (CVS 5070) (check-in: aa59974ec1 user: shane tags: trunk)
08:56
Fix test for buffer overrun in unixGettempname(). Fix for #3091. (CVS 5069) (check-in: fc0ca647bd user: danielk1977 tags: trunk)

15 Years Ago (more context)

2003-04-30
11:38
In the shell tool, delay opening the database until it is needed but also make sure it is opened before trying to use the "db" pointer. Ticket #302. (CVS 945) (check-in: 20fcead42b user: drh tags: trunk)