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100 check-ins occurring around 9865d14d6041874b.
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2010-04-29
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| 14:51 | Fix a bug in the WAL checkpoint code causing SQLite to use an inconsistent cache in a subsequent transaction. check-in: d1cadeed user: dan tags: wal | |
| 08:47 | Add tests to walthread.test. check-in: 9e891e75 user: dan tags: wal | |
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2010-04-28
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| 18:17 | Add a test to walthread.test for changing between WAL and rollback modes. check-in: da229e44 user: dan tags: wal | |
| 17:49 | Merge two "wal" leaves. check-in: 13d2d5a6 user: dan tags: wal | |
| 17:48 | Change walthread.test so that tests can be run with either multiple threads or multiple processes. check-in: 25f85f68 user: dan tags: wal | |
| 17:21 | Changes to the interface design for the xShmLock method of the VFS. check-in: 348409de user: drh tags: wal | |
| 14:42 | Rename the sqlite3_log_hook() to sqlite3_wal_hook(). Added comments to wal.h. check-in: bbc38511 user: drh tags: wal | |
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2010-04-27
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| 18:49 | Merge two "wal" leaves. check-in: 8c2d43ba user: dan tags: wal | |
| 18:43 | Add a test to check that a checkpointer releases its locks before returning, even if it has been prevented by a conflicting lock from checkpointing the database. check-in: be44349d user: dan tags: wal | |
| 14:37 | Fix a problem with identifying a corrupt database in WAL mode. check-in: c8658da4 user: dan tags: wal | |
| 11:49 | Add the xShmRelease() method to the VFS. The os_unix.c implementation of the shared memory logic is still non-functional. check-in: ed715b47 user: drh tags: wal | |
| 06:49 | Run trans.test and avtrans.test as part of the "wal" permutation. check-in: c8893310 user: dan tags: wal | |
| 05:42 | Fix a problem that occurs when one process causes the log-summary file to grow and then a second process attempts to read the database. check-in: b51a5f8b user: dan tags: wal | |
| 01:56 | Merge in recent changes from the trunk check-in: 7a0ac682 user: drh tags: wal | |
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2010-04-26
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| 19:17 | Optimization: Convert an ORDER BY clause into a no-op if the query also contains a GROUP BY clause that will force the same output order. check-in: ca9d86ba user: drh tags: trunk | |
| 17:42 | Do not attempt to set journal_mode=wal on :memory: or temp file databases. check-in: 30d01344 user: dan tags: wal | |
| 17:36 | Change the default_cache_size pragma to always store a positive value. check-in: 36fb2cae user: drh tags: trunk | |
| 17:30 | Identify the SQLite version meta-value entry in the db-header output of showdb. check-in: 245d934b user: drh tags: trunk | |
| 16:57 | Fixes for problems with small caches and SAVEPOINT rollback in WAL mode. check-in: 6a944f02 user: dan tags: wal | |
| 16:47 | Further enhancements to the showdb utility: A page number followed by "b" causes a btree decoding to occur on the page. check-in: 2ff824e5 user: drh tags: trunk | |
| 15:44 | Enhancements to the showdb.c utility program. Automatically detect the page size and adjust the display accordingly. Add the "dbheader" display option. check-in: 23eb408b user: drh tags: trunk | |
| 12:39 | Add the "wal" permutation to run existing test files savepoint.test and savepoint2.test in WAL mode. check-in: 205e5d8a user: dan tags: wal | |
| 10:40 | Add mutexes to fix a race condition in wal.c. This isn't a very good fix. check-in: 3d159939 user: dan tags: wal | |
| 00:19 | Change the names of the log.c and log.h source files to wal.c and wal.h. check-in: 56fe5d76 user: drh tags: wal | |
| 00:04 | Begin moving WAL-specific I/O into the VFS. This checkin contains VFS infrastructure but it is untested and is not yet hooked up to the WAL. The version number is bumped to 3.7.0 because of the VFS extension. check-in: f5e615c2 user: drh tags: wal | |
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2010-04-25
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| 20:58 | Remove an unreachable branch from the function initialization logic. check-in: 064d3ddd user: drh tags: trunk | |
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2010-04-24
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| 19:07 | Add comment explaining checksum mechanism. check-in: 3e9ef515 user: dan tags: wal | |
| 18:44 | Fix bugs in WAL mode rollback. check-in: 31215969 user: dan tags: wal | |
| 14:33 | Merge with [0291ed974d]. Merge with [0291ed974d]. Merge with [0291ed974d]. check-in: a352f628 user: dan tags: wal | |
| 14:02 | When commands such as ALTER TABLE and VACUUM use SQL internally, make sure they use only the built-in functions and not application-defined overrides for those functions. check-in: 0291ed97 user: drh tags: trunk | |
| 04:53 | Merge with [e79dac3c2f]. check-in: 1e793d3a user: dan tags: wal | |
| 04:49 | Reserve some space at the start of the log-summary file to apply locks to. check-in: a031aa1f user: dan tags: wal | |
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2010-04-23
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| 19:15 | Fixes and tests for backup of a WAL database. check-in: 480d12db user: dan tags: wal | |
| 14:29 | Merge of notify.c changes from experimental. Reset stored blocking connection when registered unlock_notify callback is cleared. check-in: e79dac3c user: shaneh tags: trunk | |
| 11:44 | Add very simple test cases for backup and VACUUM of WAL databases. More to come. check-in: 1077d813 user: dan tags: wal | |
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2010-04-22
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| 19:14 | Create a version of the log checksummer that works on big-endian platforms. Remove the 512KB size limit on the log-summary. check-in: 5d6d4423 user: dan tags: wal | |
| 06:27 | Further tests and changes related to switching between WAL and rollback modes. check-in: 12363184 user: dan tags: wal | |
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2010-04-21
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| 18:37 | Tests for (and changes to) the code to switch between WAL and rollback modes. check-in: 9f4f933f user: dan tags: wal | |
| 11:43 | If, after obtaining a SHARED lock, there exists a *-wal file in the file-system, use WAL mode. This is necessary to recover from a crash that damages the first page of the database file. check-in: 33cabf27 user: dan tags: wal | |
| 06:19 | Minor changes to test cases to account for the fact that databases with read/write versions of 2 are now understood. check-in: 278ed41e user: dan tags: wal | |
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2010-04-20
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| 18:53 | Use the read and write version fields of the database header to mark a database as operating in wal-mode. check-in: 96bef18c user: dan tags: wal | |
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2010-04-19
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| 18:03 | Add the sqlite3_log_hook() interface for scheduling checkpoints. check-in: 9bda6014 user: dan tags: wal | |
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2010-04-17
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| 18:50 | Add some comments regarding file-locks to log.c. check-in: 9d51c3b7 user: dan tags: wal | |
| 17:34 | Do not sync any files in wal mode if "PRAGMA synchronous=off" is set. If files are synced, pass either SQLITE_SYNC_FULL or SQLITE_SYNC_NORMAL to the xSync() callback as configured by "PRAGMA fullfsync". check-in: 0ae91b00 user: dan tags: wal | |
| 16:10 | It is possible for sqlite3.pUnlockConnection to be non-NULL when sqlite3.pBlockingConnection is NULL, as the notify1.test script demonstrates. Closed-Leaf check-in: 95ff76ef user: drh tags: experimental | |
| 15:45 | Merge with trunk commit [3e646e3f4c]. check-in: 43463970 user: dan tags: wal | |
| 15:42 | In synchronous=normal mode, do not sync the log after every transaction. In synchronous=full mode, sync the log and add any extra frames required to avoid blast-radius related problems after each transaction. check-in: 9bc9b684 user: dan tags: wal | |
| 12:53 | Change sqlite3_step() so that it automatically calls sqlite3_reset() instead of returning SQLITE_MISUSE when invoked on a prepared statement that previously returned any value other than SQLITE_ROW. check-in: 3e646e3f user: drh tags: trunk | |
| 12:31 | Enhancements to wal-mode locking scheme. check-in: 8549c286 user: dan tags: wal | |
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2010-04-16
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| 22:05 | Changes for branch coverage of notify.c. Fixed quirk of unlock_notify() where it would still think it was blocked after a callback was cleared (even after the transaction on the blocking connection was closed). check-in: c54e8dad user: shaneh tags: experimental | |
| 13:59 | Change the log file format to include a small (12 byte) header at the start of the file. check-in: 9865d14d user: dan tags: wal | |
| 11:30 | Fix bug in log recovery (last frame in log was being ignored). Also remove an incorrect assert statement. check-in: 67d2a89e user: dan tags: wal | |
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2010-04-15
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| 23:24 | Disable query flattening when the outer query is a compound SELECT and the inner query has a LIMIT clause. Ticket [02a8e81d44]. check-in: f96782b3 user: drh tags: trunk | |
| 16:45 | Allow writers to write dirty pages to the log mid-transaction in order to free memory. check-in: ecd828f9 user: dan tags: wal | |
| 13:33 | Merge two leaves on the WAL branch. check-in: c9ed66cc user: dan tags: wal | |
| 13:29 | The query planner fix of check-in [33b1f584ef] should have been on the trunk. check-in: f538d759 user: drh tags: trunk | |
| 12:36 | Fix a problem in the result set size estimation logic of the query planner - a problem introduced by the two previous changes. check-in: 33b1f584 user: drh tags: wal | |
| 10:58 | Change the way checksums are calculated. check-in: 84955c2e user: dan tags: wal | |
| 02:37 | Bring over the recent query planner enhancements from the trunk. check-in: 82969f27 user: drh tags: wal | |
| 01:04 | Further refinements to table order selection on join query planning. check-in: defaf0d9 user: drh tags: trunk | |
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2010-04-14
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| 19:01 | The query planner uses non-indexable WHERE clause terms to reduce the estimated number of output rows, then uses the estimated number of output rows as a tie-breaker when choosing table order. check-in: b87cb0c2 user: drh tags: trunk | |
| 18:50 | Add tests and fix bugs in WAL locking mechanism. check-in: c18077f2 user: dan tags: wal | |
| 18:06 | Add tests to check inter-process WAL locking. check-in: 9435f313 user: dan tags: wal | |
| 15:49 | Improve the logLockRegion() function in log.c. check-in: 5e9dd3bd user: dan tags: wal | |
| 11:23 | Fixes for locking issues in WAL mode. check-in: a9617eff user: dan tags: wal | |
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2010-04-13
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| 19:27 | Add experimental locking scheme. check-in: 3f958e87 user: dan tags: wal | |
| 15:30 | Fix an uninitialized variable in readDbPage of pager.c. check-in: f4e1150f user: drh tags: wal | |
| 11:56 | Remove old code to interpret an argument (no longer used) to "PRAGMA checkpoint". check-in: 27dc5977 user: dan tags: wal | |
| 11:45 | Fix other problems in the WAL test scripts. check-in: dcb31181 user: dan tags: wal | |
| 11:35 | Fix test script issues preventing walthread.test from running. check-in: d90b1dde user: dan tags: wal | |
| 11:18 | Fix a pager bug introduced by the wal code. check-in: 4a0b29dc user: dan tags: wal | |
| 06:20 | Sync wal branch with [012cf101bf]. check-in: 9d690f24 user: dan tags: wal | |
| 06:18 | Test that the rollback-hook is invoked if a commit-hook implementation returns non-zero (causing a rollback). Remove documentation comment that says otherwise from sqlite.h.in. check-in: 012cf101 user: dan tags: trunk | |
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2010-04-12
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| 20:54 | Add e_fts3.test to the set of tests excluded from the inmemory_journal exclusion list, since it does simulated OOM errors which trigger I/O errors and SQLite is unable to recover from I/O errors without a persistent journal. check-in: e7e7127f user: drh tags: trunk | |
| 19:44 | Recent changes cause the xSync method of the memory journal implementation to be used, so remove the assert(0). check-in: 1f2cb940 user: drh tags: trunk | |
| 19:43 | Clear a global variable in e_fts3.test before it is used. check-in: ae89dfd2 user: drh tags: trunk | |
| 19:32 | Remove duplicate secure_delete pragma implemention. check-in: c15fda14 user: drh tags: wal | |
| 19:05 | Add "log.h", which should have been part of the previous commit. check-in: 8de9f010 user: dan tags: wal | |
| 19:00 | Import experimental write-ahead-logging code. check-in: 409d61ba user: dan tags: wal | |
| 17:08 | Fix a problem where a process in exclusive mode could delete a hot-journal file without rolling it back from within sqlite3_close() or DETACH. This problem was introduced by commits from the past few days; it is not present in any release. check-in: 51a61395 user: dan tags: trunk | |
| 14:51 | Reset the simulated device in the test harness to its default configuration whenever it is restarted. check-in: 562d20e6 user: drh tags: trunk | |
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2010-04-10
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| 17:52 | Fix issues and clarify the operation of pager_playback_one_page(). A block comment in pager.c identifies 13 invariants on the pager subsystem. Ticket [9d68c883132c8]. check-in: 09065976 user: drh tags: trunk | |
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2010-04-09
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| 23:05 | Add a test case for the OOM-fault corruption issue. Ticket [9d68c883132c8]. check-in: 0a64a937 user: drh tags: trunk | |
| 15:34 | Candidate fix for a pager bug associated with sqlite3PagerMovepage(). check-in: 8c046eb6 user: drh tags: trunk | |
| 09:14 | Avoid unnecessary calls to sqlite3_step() with null prepared statements while parsing the schema. check-in: ae04d2d1 user: drh tags: trunk | |
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2010-04-08
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| 17:35 | Fix a typo in a comment. No changes to code. check-in: 332cb551 user: drh tags: trunk | |
| 17:28 | Fix code coverage problems in where.c. check-in: b04a5282 user: drh tags: trunk | |
| 16:30 | Additional automatic index tests. check-in: 99d8e325 user: drh tags: trunk | |
| 15:01 | New test cases for automatic indices. New testcase() macros associated with column-used bitmasks. check-in: e1aa48ac user: drh tags: trunk | |
| 15:01 | Fix the computation of the number of rows in a table during automatic index generation. check-in: edeab06a user: drh tags: trunk | |
| 14:38 | Fix an integer overflow bug in the automatic index logic. The bug was detected by the testcase() macros added in the previous check-in. Also add some more testcase() macros, since this issue points up their importance. check-in: af97b488 user: drh tags: trunk | |
| 14:15 | Add testcase() macros to the automatic index logic to insure that boundary cases are tested. check-in: 72865478 user: drh tags: trunk | |
| 11:35 | Make sure F_OK, R_OK, and W_OK are defined in test_demovfs.c. Define them manually if they are not. This is necessary to get the module to compile on some systems. check-in: 7c8afc32 user: drh tags: trunk | |
| 01:16 | Merge automatic index changes into the trunk. check-in: bf7b8d86 user: drh tags: trunk | |
| 00:40 | When constructing automatic indices do not include the same column more than once. Closed-Leaf check-in: d067d9f7 user: drh tags: experimental | |
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2010-04-07
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| 20:32 | Pull over the latest changes from the trunk. check-in: e388fe8b user: drh tags: experimental | |
| 20:29 | When rolling back a savepoint to the beginning of the transaction, make sure to initialize the database size in the btree layer correctly even if the database size field of the header is zeroed. check-in: a3540c6a user: drh tags: trunk | |
| 19:32 | Add an interface to the SQLITE_STMTSTATUS_AUTOINDEX status information to the TCL bindings. Add some simple automatic index test cases. check-in: 1f404412 user: drh tags: experimental | |
| 16:54 | Wrap all automatic index changes inside SQLITE_OMIT_AUTOMATIC_INDEX. Add the automatic_index PRAGMA to turn it on and off. check-in: a811a47f user: drh tags: experimental | |
| 14:59 | Make sure that all automatic indices are covering indices. Otherwise, the table and index might be used together in a query but the table could get out of sync with the automatic index through out-of-band changes. check-in: 23643131 user: drh tags: experimental | |