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50 check-ins occurring around b7d080b8e850bd26.
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2011-01-20
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| 16:52 | Use histogram data to improve the row-count estimates on equality constraints. (check-in: 6bfc5c69eb user: drh tags: stat2-enhancement) | |
| 02:56 | The first of a planned series of enhancements to the query planner that enable it to make better use of sqlite_stat2 histograms when the table has many repeated values. (check-in: 2cd374cd23 user: drh tags: stat2-enhancement) | |
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2011-01-19
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| 21:58 | Comment improvements in pcache1.c. No changes to code. (check-in: 9660a0a225 user: drh tags: trunk) | |
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2011-01-18
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| 17:34 | Pull over all the latest trunk changes. (check-in: ca86d04be1 user: drh tags: wal-trace-375) | |
| 17:03 | Do not use mutexes in the pcache implementation unless SQLITE_ENABLE_MEMORY_MANAGMENT is defined. This is a performance enhancement. A side effect is that pcaches will not steal pages from one another unless ENABLE_MEMORY_MANAGEMENT is set, or unless SQLITE_THREADSAFE=0. (check-in: e5ca59e63b user: drh tags: trunk) | |
| 16:13 | Get all test cases working with the mutex-free-pcache implementation. (Closed-Leaf check-in: 2dc98d2999 user: drh tags: mutex-free-pcache) | |
| 15:17 | Do not use SQLITE_MUTEX_STATIC_MEM2 since it has been reused as STATIC_OPEN. Instead, create a new static mutex STATIC_PMEM which is an alias for the unused STATIC_LRU2. (check-in: f1cf02efcb user: drh tags: mutex-free-pcache) | |
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2011-01-17
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| 21:32 | Here is a completely new implementation of the mutex-free-pcache. This one uses a common code base and automatically selects whether or not to use mutexes depending on compile-time and start-time options. (check-in: d094a1bfb7 user: drh tags: mutex-free-pcache) | |
| 18:30 | Fix a typo in the documentation for sqlite3_stmt_readonly(). (check-in: 56417a3386 user: drh tags: trunk) | |
| 17:42 | Add the SQLITE_OMIT_AUTORESET compile-time option which if enabled causes the sqlite3_step() routine to return SQLITE_MISUSE if it is called after it has previously returned anything other than SQLITE_ROW, SQLITE_BUSY, or SQLITE_LOCKED. (check-in: 053ce76deb user: drh tags: trunk) | |
| 02:24 | Add back an ALWAYS() to regain full test coverage. (check-in: b93f6f3e67 user: drh tags: trunk) | |
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2011-01-16
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| 22:37 | On a backup from a smaller to a larger page size, do not begin committing the transaction until the source pages after the pending byte have been copied. (check-in: 612e2599d3 user: drh tags: trunk) | |
| 00:56 | Make sure the change-counter and SQLite-version fields of the header are set correctly even when doing a VACUUM with locking_mode=EXCLUSIVE. Ticket [5d863f876ee9561b]. (check-in: 04fa1e1690 user: drh tags: trunk) | |
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2011-01-15
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| 21:42 | Make sure the change counter and SQLite version numbers in the header are set correctly, even when running in WAL mode and when VACUUMing in WAL mode. Ticket [5d863f876ee9561b9]. (check-in: 0be92a7576 user: drh tags: trunk) | |
| 18:11 | Fix the change-counter increment for WAL pages so that it works even when invoked from xStress. Ticket [5d863f876ee9561b95e2]. (Closed-Leaf check-in: 228e7c34c6 user: drh tags: bug-5d863f87) | |
| 17:12 | Increment the change counter and update the SQLite version number whenever page 1 is added to the WAL. Ticket [5d863f876ee9561b9] (check-in: c1e0d09cd3 user: drh tags: bug-5d863f87) | |
| 16:52 | Add a test case demonstrating the problem described by ticket [5d863f876e]. (check-in: af54963f0f user: dan tags: trunk) | |
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2011-01-14
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| 16:43 | Rerun autoconf to bring the configure script up-to-date. (check-in: 142174640d user: drh tags: trunk) | |
| 16:12 | Provide an alternative and experimental pcache implementation that avoids the use of mutexes at the expense of using more memory. (Closed-Leaf check-in: 2ea5bd1287 user: drh tags: mutex-free-pcache) | |
| 15:17 | Fix comments, including some documentation comments, in the page cache logic. No code changes. (check-in: c80e9c1a0d user: drh tags: trunk) | |
| 11:51 | Fix a bug in test code (test_vfs.c). (check-in: 772a3845f8 user: dan tags: trunk) | |
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2011-01-13
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| 16:10 | Fix a typo on the sqlite3_open_v2() documentation. (check-in: b0add45abc user: drh tags: trunk) | |
| 11:20 | Fix a couple of crashes in fts3 that can occur if the database contents are inconsistent. (check-in: 811e12cddf user: dan tags: trunk) | |
| 10:58 | Fix a segfault that can occur in matchinfo if an fts4 table contains mostly zero-length documents. Specifically, if the table contains more rows than it does bytes of text. (check-in: fe9047668e user: dan tags: trunk) | |
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2011-01-12
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| 17:56 | Do not raise an SQLITE_CORRUPT error in Recoverymode if the database size in the header is larger than the physical file size. This facilitates recovery of a database in which the database size field has been corrupted. (check-in: 114640d920 user: drh tags: trunk) | |
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2011-01-11
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| 17:40 | Merge accidentally created fork. (check-in: b7d080b8e8 user: dan tags: trunk) | |
| 17:39 | Add the SQLITE_FCNTL_SYNC file-control. (check-in: b3f2f465c3 user: dan tags: trunk) | |
| 17:38 | Change the page size of the destination database in a backup, if it is changeable, prior to starting the backup. (check-in: a5e4e0caad user: drh tags: trunk) | |
| 16:09 | If a rollback is attempted in journal_mode=off mode, force SQLite to discard the contents of the pager cache before processing any subsequent queries. (check-in: ece7efce27 user: dan tags: trunk) | |
| 12:46 | Fix the sqlite3.h generator script so that it generates the correct SQLITE_SOURCE_ID string with the latest versions of Fossil that include fractional seconds on the date/time stamp. (check-in: 3513bf6ee0 user: drh tags: trunk) | |
| 01:42 | A proposed change to the sqlite3_step() API such that it will only auto-reset following an SQLITE_BUSY or SQLITE_LOCKED error. Calls after any other result other than SQLITE_ROW will return SQLITE_MISUSE. (Closed-Leaf check-in: d1b3c54f42 user: drh tags: step-autoreset) | |
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2011-01-10
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| 21:01 | Update pager requirements to account for the ZIPVFS extension. (check-in: d94e59b514 user: drh tags: trunk) | |
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2011-01-07
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| 02:50 | Reorder the fields in private structures in an effort to reduce alignment gaps and thus make the structures smaller, and to put frequently accessed fields first. Also update some obsolete comments. Valgrind shows a very slight performance improvement. (check-in: 378a1d13af user: drh tags: trunk) | |
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2011-01-06
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| 15:51 | Enhance the showdb tool to show overflow page pointers at the end of overflow cells. (check-in: cda5eab18f user: drh tags: trunk) | |
| 01:26 | Enhance the showdb tool to show a btree page layout. Add limit checks so that overflow content does not overflow the buffer. (check-in: 57ffa07e26 user: drh tags: trunk) | |
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2011-01-05
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| 21:46 | Fix a bug in the showdb utility: the serial types for BLOB and TEXT where reversed. (check-in: 65a13faf1e user: drh tags: trunk) | |
| 21:20 | Enhancements to the "showdb" debugging tool. Add the ability to display the content of a cell. (check-in: e9023a4e1e user: drh tags: trunk) | |
| 13:43 | Increment the version number to 3.7.5. (check-in: 9ec3896e2f user: drh tags: trunk) | |
| 13:07 | Cherrypick the WAL error logging from the pre-3.7.5 line into a branch for version 3.7.2. Include the sqlite3_vsnprintf() interface. This checkin is intended for debugging and not for release. (Leaf check-in: 6549e7672b user: drh tags: wal-trace-372) | |
| 12:50 | Add detailed error logging to WAL in an effort to track down an obscure SQLITE_PROTOCOL problem. This code is intended for debugging and not for release. (check-in: 2c2afdd0ad user: drh tags: wal-trace-375) | |
| 12:20 | Add the sqlite3_vsnprintf() interface. (check-in: fc67adea41 user: drh tags: trunk) | |
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2011-01-04
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| 20:06 | Fix a null-pointer dereference that can occur on an OOM error while running ANALYZE with SQLITE_ENABLE_STAT2. (check-in: 73128d4ef5 user: drh tags: trunk) | |
| 19:01 | Fix the ANALYZE command so that it takes collating sequences into account when gathering index statistics. (check-in: a5867cfc4c user: drh tags: trunk) | |
| 17:57 | The ANALYZE command now counts at all rows of an index, even those containing NULL values. A valid sqlite_stat1 entry is created even if the index contains nothing but NULLs. (check-in: 824c8dd301 user: drh tags: trunk) | |
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2010-12-29
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| 18:24 | Have testfixture invoke C routine Zipvfs_Init() when creating a new interpreter if SQLITE_ENABLE_ZIPVFS is defined. (check-in: 430635dacf user: dan tags: trunk) | |
| 10:49 | Fix some off-by-one errors in the comments for API functions create_function() and value_blob(). No changes to code or tests. (check-in: 7ded90baeb user: dan tags: trunk) | |
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2010-12-24
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| 15:49 | Reduce the number of calls to sqlite3_realloc() made by fts3 when querying for position information of a term prefix. (check-in: 7088d9450f user: dan tags: trunk) | |
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2010-12-22
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| 21:48 | Do not include <sys/mmap.h> if SQLITE_OMIT_WAL is defined. (check-in: b82e85ece9 user: drh tags: trunk) | |
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2010-12-21
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| 21:28 | Add test cases for the new lookaside hit and miss status outputs. Add the output of lookaside hit and miss to the command-line shell statistics. (check-in: b0888047bb user: drh tags: trunk) | |
| 20:36 | Merge into the trunk the experimental enhancements to sqlite3_db_status() for measuring lookaside memory allocator performance. (check-in: 8c3b06c299 user: drh tags: trunk) | |