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

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100 ancestors of [3e872011]

2015-03-26
17:04
Avoid leaving the malloc subsystem in a partially initialized state if the low-level initialization callback fails. check-in: 3e872011 user: drh tags: trunk
15:27
Provide source code line numbers for errors in the Windows VFS generated by the winLogIoerr() routine. check-in: b5da0d93 user: drh tags: trunk
14:29
Fix a harmless compiler warning in FTS3. check-in: 1688f60c user: drh tags: trunk
2015-03-25
18:29
Change an unreachable branch into an assert(). check-in: fb076b28 user: drh tags: trunk
17:35
Fix the saveCursorPosition() routine in btree.c so that it works correctly for a eState=CURSOR_SKIPNEXT cursor. check-in: 37866b4d user: drh tags: trunk
13:06
Reactivate an older assert() (adding an "|| CORRUPT_DB" term) and add a new assert() in btree.c. check-in: 1e96520a user: drh tags: trunk
12:05
Add two new assert()s to the sqlite3BtreeDataSize() method. check-in: 42d1793d user: drh tags: trunk
2015-03-24
22:00
Add SQLITE_STDCALL and SQLITE_CDECL macros on public function definitions. check-in: cae3239a user: mistachkin tags: trunk
21:54
Further simplifications to the amalgamation builder. Closed-Leaf check-in: e826cd7d user: drh tags: stdcall
21:52
Update the 'mksqlite3c-noext' tool as well. check-in: a5322566 user: mistachkin tags: stdcall
21:34
Fix a couple comment typos in a tool script. No changes to code. check-in: 83421af6 user: mistachkin tags: trunk
21:27
Add SQLITE_STDCALL and SQLITE_CDECL macros on public function definitions. check-in: 242f09d4 user: mistachkin tags: stdcall
18:19
Suppress a compiler warning that was appearing with SQLITE_THREADSAFE=0. check-in: 436314b5 user: drh tags: trunk
16:43
Prevent a virtual table from being destroyed while it is in use. Also: replace Vdbe.inVtabMethod with sqlite3.nVDestroy. Simplify the EXPLAIN output for P4.pVtab to only show the sqlite3_vtab pointer. check-in: cbeb9a1a user: drh tags: trunk
14:57
Add tests to check that attempting to DROP a virtual table while it is use does not cause problems. Closed-Leaf check-in: 5ee625b1 user: dan tags: nVDestroy
14:57
Simplify the EXPLAIN output of virtual table P4 parameters to only show the pointer to the sqlite3_vtab object and omit the sqlite3_module object. Closed-Leaf check-in: 85610bbb user: drh tags: nVDestroy
14:05
More defenses against virtual table being deleted out from under a running statement. check-in: 116c9982 user: drh tags: nVDestroy
13:32
Prevent a virtual table from being destroyed while it is in use. check-in: fba674c0 user: drh tags: nVDestroy
12:51
Replace the Vdbe.inVtabMethod field with the sqlite3.nVDestroy counter. check-in: 9faefb96 user: drh tags: nVDestroy
2015-03-23
21:32
Disable loadable extensions in the command-line shell on VxWorks user-space. check-in: 0ee2d38d user: drh tags: trunk
19:55
Track total memory usage using a 64-bit integer on 64-bit systems. Add the sqlite3_status64() interface. Make the sqlite3_status() and sqlite3_status64() interfaces atomic using mutexes and verify correct mutex operation using assert() statements. check-in: 6fc4e79a user: drh tags: trunk
19:16
Fix a non-C89 variable declaration that causes problems for MSVC. Closed-Leaf check-in: 3de085ea user: drh tags: status64
19:03
Fix datetype size asserts in btree.c. check-in: ff4812d0 user: drh tags: trunk
18:52
Add the SQLITE_PTRSIZE macro. Use it to help sqlite3_status() run faster on 32-bit systems. check-in: c742bd60 user: drh tags: status64
17:25
Add the sqlite3_status64() interface. Make the new interface and the legacy sqlite3_status() both atomic and threadsafe. Check threadsafety using assert()s. check-in: 1ce8e8fa user: drh tags: status64
2015-03-22
10:23
Fix a potential NULL pointer dereference following a syntax error. check-in: 8d27e3e1 user: drh tags: trunk
2015-03-21
23:38
Fix harmless compiler warnings with MSVC when assert() and SQLITE_MEMDEBUG are both enabled. check-in: 9513dbd4 user: mistachkin tags: trunk
22:23
Add more comments to the MSVC batch build tool. check-in: 03522da3 user: mistachkin tags: trunk
22:13
Increase the debugging level for the debug configuration in the MSVC batch build tool. check-in: 041484ff user: mistachkin tags: trunk
20:59
Do not invoke a C preprocessor macro with an empty argument, as (reportedly) some versions of GCC are unable to deal with that. check-in: de9da317 user: drh tags: trunk
20:50
Add a missing "int" on a constant declaration. check-in: 235157de user: drh tags: trunk
19:35
Avoid a segfault if NULL is passed as the first argument to SQL scalar function fts3_tokenizer(). check-in: 6d098969 user: dan tags: trunk
16:40
Change walblock.test to block an external process for 10 seconds, not 5. 5 seconds is not long enough to tell the difference between a blocking lock and a series of retries. check-in: 717335fc user: dan tags: trunk
16:36
Fix the blocking WAL lock so that it works and so that it compiles on a Mac. check-in: 67d69d21 user: drh tags: trunk
12:25
Remove an unreachable branch from the OP_VCreate opcode (merge accidental fork in trunk). check-in: 2fbfec62 user: dan tags: trunk
12:22
Avoid an integer overflow in fts3 causing gcc 4.7.1 with -O2 to behave counter-intuitively (perhaps because the behaviour is undefined). Add an "ifcapable trace" to a test in shell4.test. check-in: e3e23464 user: dan tags: trunk
12:22
Remove an unreachable branch from the OP_VCreate opcode. check-in: 5fca41a3 user: drh tags: trunk
10:53
Add a missing "ifcapable fts3" to a test case in vtab2.test. check-in: d845b0f6 user: dan tags: trunk
03:18
Correctly detect the error of having a "*" wildcard on a SELECT without a FROM clause on the left-hand side of a recursive CTE. check-in: b11d1793 user: drh tags: trunk
02:58
If a column is both UNIQUE and a PRIMARY KEY, make sure the PRIMARY KEY designation takes precedence. check-in: d871a792 user: drh tags: trunk
02:25
Remove superfluous define from the MSVC makefile. check-in: 880d2513 user: mistachkin tags: trunk
02:22
Improvements to the MSVC build. Fix harmless compiler warnings. Enable use of 'stdcall'. check-in: 737630b8 user: mistachkin tags: trunk
2015-03-20
16:54
Provide the BTREE_SEEK_EQ hint to the b-tree layer. check-in: 3c367004 user: drh tags: trunk
16:34
Fix to get SQLITE_SMALL_STACK working correctly again after the previous change. Closed-Leaf check-in: 78df0ce1 user: drh tags: seek-eq
14:57
Provide the BTREE_SEEK_EQ hint to the b-tree layer. check-in: e750830f user: drh tags: seek-eq
08:43
Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. check-in: eddc05e7 user: dan tags: trunk
2015-03-19
20:09
If a virtual table is created with a malformed UTF8 name in a UTF16 database, make sure that does not cause problems. check-in: b74cb0a9 user: drh tags: trunk
19:59
Fix a crash that can occur following an OOM condition within a CREATE VIRTUAL TABLE statement on a utf-16 database. Closed-Leaf check-in: 9453e7da user: dan tags: malformed-vtab-name
18:56
Fix a problem with creating virtual table with names specified using malformed utf-8 within utf-16 databases. check-in: 9969cff2 user: dan tags: malformed-vtab-name
16:25
Fix an FTS3/4 problem with handling empty tokenizer declarations (e.g. "CREATE VIRTUAL TABLE t(tokenize=);"). check-in: 26d2def8 user: dan tags: trunk
15:52
Silently ignore any attempt to add a prefix index for prefixes zero bytes in size to an fts3/4 table. Or any prefix index size so large that it overflows a 32-bit signed integer. check-in: ad4b19d2 user: dan tags: trunk
15:04
Add an assert() to check that the database mutex is held in sqlite3BtreeLeave(). check-in: 31f54d7b user: dan tags: trunk
14:48
Fix typo in shell error message. check-in: 775a02d5 user: mistachkin tags: trunk
13:30
Fix a bug in error handling in the ".trace" command of the command-line shell. check-in: 6a48b5d7 user: drh tags: trunk
2015-03-18
16:00
Add another sqlite3FaultSim() to the multi-threaded sorter logic to improve testability. check-in: 49ea2cde user: drh tags: trunk
2015-03-17
20:39
Clarify the documentation on sqlite3_errcode(). No changes to code. check-in: 2c0e0d87 user: drh tags: trunk
17:08
Also merge the WAL blocking lock tests that were somehow missed on the previous check-in. check-in: 7214dab7 user: drh tags: trunk
16:59
Transient locks in WAL mode can now block in order to resolve priority inversions. check-in: ec2f46de user: drh tags: trunk
16:01
Add a test for the change on this branch. Closed-Leaf check-in: e22dde18 user: dan tags: wal-blocking-lock
2015-03-16
20:40
Make SQLite slightly more likely to use an auto-index within a sub-query. check-in: ab832336 user: dan tags: trunk
18:08
Fix typo of test prefix in the new WHERE test file. check-in: 34779c52 user: mistachkin tags: trunk
17:48
When the WHERE clause contains two OR-connected terms with identical operands but different operators, try to combine them into a single term. Example: (X=A OR X>A) becomes (X>=A). check-in: 8bdda827 user: drh tags: trunk
17:07
Modify the fts3query.test script so that it works even when testfixture is built using a version of TCL that is unable to sort the integer -9223372036854775808 check-in: f61fd24b user: drh tags: trunk
16:44
When deleting the master journal to commit a multi-database transaction, do not sync the directory if PRAGMA synchronous=OFF for all participating database files. check-in: 018d7671 user: drh tags: trunk
16:28
When estimating the number of rows visited by a range scan for which the keys consist of more than one field, consider prefixes of stat4 samples as well as the full samples. This generates more accurate estimates. check-in: 3e0590de user: dan tags: trunk
13:48
Use #ifdef to omit code that is only used for STAT3 and STAT4. check-in: f2c9c5b5 user: drh tags: trunk
13:12
Improved comments. No code changes. Closed-Leaf check-in: 23f71a26 user: drh tags: combine-disjuncts
12:13
When a WHERE clause contains disjuncts with the same operands, try to combine them into a single operator. Example: (x=A OR x>A) becomes (x>=A). check-in: 7a309768 user: drh tags: combine-disjuncts
09:21
Another test case for the planner change on this branch. Closed-Leaf check-in: f2207a06 user: dan tags: stat4-change
2015-03-14
18:59
When estimating the number of rows visited by a range scan for which the keys consist of more than one field, consider prefixes of stat4 samples as well as the full samples. check-in: e1caf93c user: dan tags: stat4-change
2015-03-13
15:44
Add tests to ensure "PRAGMA incremental_vacuum" and "PRAGMA auto_vacuum = incremental" handle corrupt databases correctly. check-in: 1c2166cb user: dan tags: trunk
08:31
Extra tests for commit [0f250957]. check-in: 5aa522dc user: dan tags: trunk
00:11
Remove debugging logic accidently included in the previous check-in. check-in: 2887fb38 user: drh tags: trunk
2015-03-12
23:48
Fix the "now" option for date-time functions for cases when STAT4 is disabled. check-in: 3ac1f6a3 user: drh tags: trunk
21:22
When STAT4 is enabled, allow probes of the STAT4 table using the value of constant functions computed at compile-time. check-in: 0f250957 user: drh tags: trunk
21:02
Always disallow functions as the DEFAULT of a column. Add assert()s and Closed-Leaf check-in: a991bb1a user: drh tags: stat4-function
19:12
Disable multiplexing of master-journal files in the test_multiplex.c module. check-in: b8684df3 user: dan tags: trunk
18:38
If an error occurs in the compile-time evaluation of an application-defined function, then propagate back out the exact error code, not just the generic SQLITE_ERROR. check-in: 93f42586 user: drh tags: stat4-function
06:46
The valueFromFunction() routine is better able to handle OOM errors. Omit unreachable branches. check-in: 8fb6bd9b user: drh tags: stat4-function
05:08
Improve the text on one of the opcode documentation comments in vdbe.c. check-in: 08958f57 user: drh tags: trunk
2015-03-11
20:59
Allow the default value for columns added using ALTER TABLE ADD COLUMN to be a function in existing schemas loaded from disk. But prevent this version of SQLite from being used to create such a column. check-in: ff868e22 user: dan tags: stat4-function
20:06
Allow the query planner to evaluate deterministic scalar SQL functions used in WHERE constraints if all arguments are SQL literals in order to compare the results with sqlite_stat4 sample data. check-in: b7f1fc26 user: dan tags: stat4-function
14:34
Expand the multi-process test cases to repeat each case 20 times and to repeat tests using different journal modes. check-in: a2715b04 user: drh tags: trunk
2015-03-10
20:22
Arrange for some of the transient locks in WAL mode to block, as a single to the OS to fix priority inversions. check-in: c6e6d5f4 user: drh tags: wal-blocking-lock
15:34
Fix an incrblob2 test case so that it works on 32-bit systems. check-in: 8d0b11c9 user: drh tags: trunk
13:50
Revise test cases in malloc5.test to accommodate varying allocation sizes returned by some system malloc() implementations. check-in: fbae6baf user: drh tags: trunk
2015-03-09
13:01
Fix the LIKE optimization so that it works even if there are additional range contraints on the column that is subject to the LIKE or GLOB. check-in: 984c3fd5 user: drh tags: trunk
12:11
Always use LIKE optimization range constraints in pairs. Closed-Leaf check-in: 0e02dc94 user: drh tags: like-opt-fix
10:40
Increase the version number to 3.8.9 check-in: e5da5e7d user: drh tags: trunk
2015-03-07
20:32
Fix another problem with the LIKE optimization. check-in: 465bfc72 user: drh tags: like-opt-fix
13:56
Fix the LIKE optimization so that it finds BLOB entries in addition to text entries. Ticket [05f43be8fdda9f]. check-in: 74cb0b03 user: drh tags: trunk
12:58
New test cases for LIKE and GLOB with BLOB left-hand side values. Closed-Leaf check-in: 50fa3c5f user: drh tags: like-opt-fix
03:02
Remove some code that is commented out. check-in: 55ff4291 user: drh tags: like-opt-fix
02:51
Fix problems with reverse order sorting and indexes in the LIKE optimization. check-in: 564b8fe7 user: drh tags: like-opt-fix
00:57
Refactor some jump opcodes in the VDBE. Add JumpZeroIncr and DecrJumpZero. Fix the LIKE optimization to work with DESC sort order. check-in: 26cb5145 user: drh tags: like-opt-fix
2015-03-06
20:49
Test cases added. Comments fixed. Proposed solution for ticket [05f43be8fdda9fbd9]. check-in: 6b993bd5 user: drh tags: like-opt-fix
19:47
Fix the LIKE optimization even when comparing mixed-case BLOBs. check-in: a58aafdb user: drh tags: like-opt-fix
16:45
The LIKE optimization must be applied twice, once for strings and a second time for BLOBs. Ticket [05f43be8fdda9f]. This check-in is a proof-of-concept of how that might be done. check-in: 5757e803 user: drh tags: like-opt-fix
04:37
Clearification of some documentation text. Added requirements marks. check-in: 8c1e85aa user: drh tags: trunk
03:31
Clarification of documentation on sqlite3_backup. check-in: 31d5e9b4 user: drh tags: trunk
2015-03-05
15:34
New test cases and requirements marks for PRAGMA index_info, index_xinfo, and index_list. check-in: e5b13634 user: drh tags: trunk