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110 check-ins using file src/btree.c version a31ac00e30
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2015-03-24
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| 18:03 | When the OTA module updates or deletes a row, save only those fields that are part of an index or primary key to the ota update database. (check-in: 6326fd3249 user: dan tags: ota-update) | |
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2015-03-23
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| 17:10 | Fix a broken assert() in the ota module. (check-in: 858de8a5e7 user: dan tags: ota-update) | |
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2015-03-21
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| 07:03 | Disable the sorter optimization used by INSERT INTO SELECT statements if the statement explicitly specifies REPLACE, IGNORE or FAIL conflict handling. (check-in: d421594297 user: dan tags: insert-select-opt) | |
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2015-03-20
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| 20:30 | Where possible insert the set of new keys for each index in sorted order within "INSERT INTO ... SELECT" statements. (check-in: 0a7f2051b2 user: dan tags: insert-select-opt) | |
| 08:43 | Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. (check-in: eddc05e7bb user: dan tags: trunk) | |
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2015-03-19
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| 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: b74cb0a92b 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: 9453e7da04 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: 9969cff2d0 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: 26d2def8a5 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: ad4b19d2ac user: dan tags: trunk) | |
| 15:04 | Add an assert() to check that the database mutex is held in sqlite3BtreeLeave(). (check-in: 31f54d7b07 user: dan tags: trunk) | |
| 14:48 | Fix typo in shell error message. (check-in: 775a02d597 user: mistachkin tags: trunk) | |
| 14:46 | Merge updates from trunk. (check-in: 3e363f4056 user: mistachkin tags: expShell) | |
| 13:30 | Fix a bug in error handling in the ".trace" command of the command-line shell. (check-in: 6a48b5d794 user: drh tags: trunk) | |
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2015-03-18
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| 20:03 | Allow whereShortCut() to use the PRIMARY KEY index of a WITHOUT ROWID table to optimize a vector of "IS" operators in a WHERE clause. (check-in: 52e73eeca0 user: dan tags: ota-update) | |
| 19:04 | Clarify that OTA is unable to update or delete rows with NULL values in primary key fields. (check-in: 2e7c1e0a0d user: dan tags: ota-update) | |
| 16:00 | Add another sqlite3FaultSim() to the multi-threaded sorter logic to improve testability. (check-in: 49ea2cded4 user: drh tags: trunk) | |
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2015-03-17
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| 20:39 | Clarify the documentation on sqlite3_errcode(). No changes to code. (check-in: 2c0e0d87fb user: drh tags: trunk) | |
| 18:54 | Merge all recent trunk enhancements into the sessions branch. (check-in: 1d1c57c356 user: drh tags: sessions) | |
| 17:08 | Also merge the WAL blocking lock tests that were somehow missed on the previous check-in. (check-in: 7214dab744 user: drh tags: trunk) | |
| 16:59 | Transient locks in WAL mode can now block in order to resolve priority inversions. (check-in: ec2f46de53 user: drh tags: trunk) | |
| 16:01 | Add a test for the change on this branch. (Closed-Leaf check-in: e22dde187e user: dan tags: wal-blocking-lock) | |
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2015-03-16
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| 20:40 | Make SQLite slightly more likely to use an auto-index within a sub-query. (check-in: ab832336f4 user: dan tags: trunk) | |
| 18:08 | Fix typo of test prefix in the new WHERE test file. (check-in: 34779c528f 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: 8bdda827a3 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: f61fd24b4d 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: 018d767140 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: 3e0590dee0 user: dan tags: trunk) | |
| 13:48 | Use #ifdef to omit code that is only used for STAT3 and STAT4. (check-in: f2c9c5b57b user: drh tags: trunk) | |
| 13:12 | Improved comments. No code changes. (Closed-Leaf check-in: 23f71a2638 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: 7a3097689d user: drh tags: combine-disjuncts) | |
| 09:21 | Another test case for the planner change on this branch. (Closed-Leaf check-in: f2207a0691 user: dan tags: stat4-change) | |
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2015-03-14
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| 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: e1caf93c9a user: dan tags: stat4-change) | |
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2015-03-13
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| 15:44 | Add tests to ensure "PRAGMA incremental_vacuum" and "PRAGMA auto_vacuum = incremental" handle corrupt databases correctly. (check-in: 1c2166cb2a user: dan tags: trunk) | |
| 08:31 | Extra tests for commit [0f250957]. (check-in: 5aa522dcb9 user: dan tags: trunk) | |
| 00:11 | Remove debugging logic accidently included in the previous check-in. (check-in: 2887fb38ff user: drh tags: trunk) | |
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2015-03-12
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| 23:48 | Fix the "now" option for date-time functions for cases when STAT4 is disabled. (check-in: 3ac1f6a3cf 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: 0f250957cd user: drh tags: trunk) | |
| 21:02 | Always disallow functions as the DEFAULT of a column. Add assert()s and (Closed-Leaf check-in: a991bb1a9e user: drh tags: stat4-function) | |
| 19:12 | Disable multiplexing of master-journal files in the test_multiplex.c module. (check-in: b8684df395 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: 93f42586cc user: drh tags: stat4-function) | |
| 06:46 | The valueFromFunction() routine is better able to handle OOM errors. Omit unreachable branches. (check-in: 8fb6bd9be5 user: drh tags: stat4-function) | |
| 05:08 | Improve the text on one of the opcode documentation comments in vdbe.c. (check-in: 08958f5797 user: drh tags: trunk) | |
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2015-03-11
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| 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: ff868e22ca 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: b7f1fc26d2 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: a2715b049a user: drh tags: trunk) | |
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2015-03-10
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| 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: c6e6d5f4e0 user: drh tags: wal-blocking-lock) | |
| 15:34 | Fix an incrblob2 test case so that it works on 32-bit systems. (check-in: 8d0b11c96e 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: fbae6bafd7 user: drh tags: trunk) | |
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2015-03-09
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| 13:24 | Merge recent trunk enhancements into the ota-update branch. (check-in: 5489cb6892 user: drh tags: ota-update) | |
| 13:07 | Merge recent trunk enhancements into the sessions branch. (check-in: 68c8937e83 user: drh tags: sessions) | |
| 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: 984c3fd526 user: drh tags: trunk) | |
| 12:11 | Always use LIKE optimization range constraints in pairs. (Closed-Leaf check-in: 0e02dc94fd user: drh tags: like-opt-fix) | |
| 10:40 | Increase the version number to 3.8.9 (check-in: e5da5e7d5d user: drh tags: trunk) | |
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2015-03-07
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| 20:32 | Fix another problem with the LIKE optimization. (check-in: 465bfc72d2 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: 74cb0b032f user: drh tags: trunk) | |
| 12:58 | New test cases for LIKE and GLOB with BLOB left-hand side values. (Closed-Leaf check-in: 50fa3c5fae user: drh tags: like-opt-fix) | |
| 03:02 | Remove some code that is commented out. (check-in: 55ff429177 user: drh tags: like-opt-fix) | |
| 02:51 | Fix problems with reverse order sorting and indexes in the LIKE optimization. (check-in: 564b8fe794 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: 26cb5145bf user: drh tags: like-opt-fix) | |
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2015-03-06
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| 20:49 | Test cases added. Comments fixed. Proposed solution for ticket [05f43be8fdda9fbd9]. (check-in: 6b993bd540 user: drh tags: like-opt-fix) | |
| 19:47 | Fix the LIKE optimization even when comparing mixed-case BLOBs. (check-in: a58aafdb4e 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: 5757e803cb user: drh tags: like-opt-fix) | |
| 04:37 | Clearification of some documentation text. Added requirements marks. (check-in: 8c1e85aab9 user: drh tags: trunk) | |
| 03:31 | Clarification of documentation on sqlite3_backup. (check-in: 31d5e9b42e user: drh tags: trunk) | |
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2015-03-05
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| 16:21 | Fix some problems with OTA and empty target databases, or target databases with the wrong set of tables. Also add SQLITE_FCNTL_VFSNAME support to the OTA VFS. (check-in: 46119e8d8e user: dan tags: ota-update) | |
| 15:34 | New test cases and requirements marks for PRAGMA index_info, index_xinfo, and index_list. (check-in: e5b13634d9 user: drh tags: trunk) | |
| 14:29 | Revert "PRAGMA index_info" to output only three columns, for complete compatibility with prior versions. The new "PRAGMA index_xinfo" can be used to get the extra information in 4th, 5th, and 6th columns. (check-in: fc543c2c5c user: drh tags: trunk) | |
| 14:07 | Add comments to sqlite3ota.h to make it clear that passing NULL in place of a parent VFS name to sqlite3ota_create_vfs() causes the new VFS to use the system default as its parent. (check-in: 158c1a4881 user: dan tags: ota-update) | |
| 13:43 | Fix a typo in sqlite3ota.h. (check-in: 04087dec4c user: dan tags: ota-update) | |
| 01:29 | New requirements marks on compound SELECT statements. (check-in: e7991bc510 user: drh tags: trunk) | |
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2015-03-04
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| 23:14 | New requirements marks on INSERT and INDEXED BY and on some sqlite3_config() options. (check-in: c298ea0bd9 user: drh tags: trunk) | |
| 20:18 | Fix harmless compiler warning. (check-in: 580dae4615 user: mistachkin tags: trunk) | |
| 15:35 | Refinement to the wording of the documentation on depreciated functions. (check-in: 04a59d6f7e user: drh tags: trunk) | |
| 15:25 | Remove a surplus </dl> mark in the documentation. No changes to code. (check-in: 5450e4650b user: drh tags: trunk) | |
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2015-03-03
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| 20:42 | Clean up #ifdef logic dealing with VxWorks in os_unix.c. On VxWorks, automatically use posix advisory locking if it is available or fall back to named semaphore locking if not. (check-in: ac8c7ca3db user: drh tags: trunk) | |
| 19:56 | Fix compiler warnings when compiling under VxWorks 7. (check-in: 55c21521a6 user: drh tags: trunk) | |
| 16:58 | Enhance SQLITE_ALLOW_URI_AUTHORITITY to elide //localhost/ and to deal with dodgy URIs that contain too many "/" characters. (check-in: 39b566a2d0 user: drh tags: trunk) | |
| 14:00 | Fix over-length source code lines in the main.c source file. (check-in: debba6f161 user: drh tags: trunk) | |
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2015-03-02
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| 22:06 | Changes so that the amalgamation and the command-line shell build without modifications on VxWorks 7. Still gives a few compiler warnings, and still mostly untested on that platform. (check-in: 7d92f1f11e user: drh tags: trunk) | |
| 17:25 | Ensure that automatic indexes are *not* considered when doing the the subqueries of the OR-optimization. (check-in: 17890292cf user: drh tags: trunk) | |
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2015-02-28
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| 14:03 | In the command-line shell, the inability to read ~/.sqliterc is no longer a fatal error. A warning is issued, but processing continues. (check-in: 6bf6246306 user: drh tags: trunk) | |
| 01:04 | More test cases and requirements marks for pragmas. (check-in: fc51037cd9 user: drh tags: trunk) | |
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2015-02-27
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| 21:53 | Remove all references to SQLITE_DEFAULT_TEMP_CACHE_SIZE. Add requirements marks related to cache_size changing. (check-in: 766ad65025 user: drh tags: trunk) | |
| 20:28 | New requirements marks and a few new test cases to go with them. No changes to code. (check-in: 8c2b29d9ac user: drh tags: trunk) | |
| 19:40 | Merge updates from trunk. (check-in: acf7684323 user: mistachkin tags: expShell) | |
| 00:33 | Add a couple of requirements marks. (check-in: d70b0fd4c9 user: drh tags: trunk) | |
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2015-02-26
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| 21:04 | Fix potential memory leaks in the misc 'compress' extension. (check-in: 3bc34fd427 user: mistachkin tags: trunk) | |
| 16:40 | Update a requirements mark to reflect a change of wording in the documentation. No changes to code. (check-in: 3038d0169b user: drh tags: trunk) | |
| 16:32 | Fix a real bug (in test code) that was introduced while trying to eliminate harmless compiler warnings from OpenBSD (see check-in [10321910990195878c]). (check-in: a62ba58c73 user: drh tags: trunk) | |
| 14:27 | In the command-line shell, change the units on the ".width" directive from bytes to characters. (Leaf check-in: b1a9e2916f user: drh tags: cli-char-width) | |
| 02:33 | Simplifications to the description of the nByte parameter to sqlite3_prepare() and friends. (check-in: 4bee8295e3 user: drh tags: trunk) | |
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2015-02-25
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| 14:25 | Make sure the sqlite3_mutex.id field is initialized in the Win32 mutex implementation, even when SQLITE_DEBUG is turned off. (check-in: 6d132e7a22 user: drh tags: trunk) | |
| 14:02 | Merge the latest trunk fixes into the sessions branch. (check-in: 131a2d3116 user: drh tags: sessions) | |
| 13:48 | Add support for the linenoise command-line editing library in shell.c. (check-in: 03bbb94719 user: drh tags: trunk) | |
| 10:54 | Add support for linenoise to shell.c. (Closed-Leaf check-in: f7f2598c37 user: dan tags: linenoise) | |
| 01:06 | When cleaning with MSVC, prevent superfluous output regarding 'missing' files and directories. (check-in: 034c16bd24 user: mistachkin tags: trunk) | |
| 00:24 | Remove an always-false conditional from constructAutomaticIndex(). Put an assert() in its place to prove that the conditional is always false. (check-in: 3af300bf6f user: drh tags: trunk) | |
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2015-02-24
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| 20:10 | Prevent partial indexes on the table on the left hand side of a LEFT JOIN from being incorrectly qualified by a constraint in the ON clause of the join. This relaxes the rule introduced by the previous commit (as the partial indexes on the table on the rhs of the LEFT JOIN may now be qualified by terms within the ON clause). (check-in: 1d6fb43a57 user: dan tags: trunk) | |
| 20:04 | Make sure partial indexes are not qualified incorrectly by a constraint that is inside the ON clause of a LEFT JOIN. Fix for ticket [2326c258d02ead33]. (check-in: 491cfe9b3f user: drh tags: trunk) | |
| 18:39 | More test cases to help ensure that partial indexes do not get used if their qualifing constraint is inside the ON clause of a LEFT JOIN. (Closed-Leaf check-in: c6399958a1 user: drh tags: tkt-2326c258) | |
| 16:48 | This additional fix prevents a partial index from being qualified for use if the constraint that qualifies the partial index is part of the ON clause of a LEFT JOIN. (check-in: 1a1516e4da user: drh tags: tkt-2326c258) | |
| 16:05 | Make sure partial automatic indexes are not based on terms in the ON clause of a LEFT JOIN. Fix for ticket [2326c258d02ead3]. UPDATE: This fix does not work where the partial index is a named index. (check-in: c0f4e308a5 user: drh tags: tkt-2326c258) | |
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2015-02-23
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| 20:09 | Fix building with ENABLE_OTA and OMIT_LOAD_EXTENSION. (check-in: d6d21ff552 user: dan tags: ota-update) | |
| 16:17 | Merge latest trunk changes with this branch. (check-in: e5ca79d2d3 user: dan tags: ota-update) | |
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2015-02-21
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| 15:42 | Update document on sqlite3_mprintf() and related functions. Discuss the %w format and point out that obscure ANSI-C formats are not supported. No changes to code. (check-in: f8917ba4d9 user: drh tags: trunk) | |
| 15:13 | Merge all recent trunk changes into the sessions branch. (check-in: f36bb5fa5c user: drh tags: sessions) | |
| 00:56 | Fix a compiler warning associated with USE_PREAD64. (check-in: c299e55a66 user: drh tags: trunk) | |
| 00:49 | Fix over-length source code lines in os_unix.c. (check-in: 7560a9fa50 user: drh tags: trunk) | |
| 00:19 | Keep track of the optimal number of reserved bytes (by looking at reserve byte requests in calls to sqlite3BtreeSetPageSize()) and then change the reserve byte count to the optimal when doing a VACUUM or when using the backup API. (check-in: 28c2b72628 user: drh tags: trunk) | |