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100 check-ins occurring around cc33e846c8509419.
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2014-11-07
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| 13:52 | In the ".scanstats on" output from the shell, round the estRows value to the nearest integer, rather than rounding toward zero. check-in: 57005085 user: drh tags: trunk | |
| 13:24 | Fix harmless typos in comments. check-in: 94c564da user: drh tags: trunk | |
| 11:39 | Fix typo in sqlite3.h reported on the mailing list. check-in: 40270321 user: drh tags: trunk | |
| 01:43 | Update documentation on sqlite3_config() and add corresponding evidence marks. check-in: 360c8ca1 user: drh tags: trunk | |
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2014-11-06
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| 14:43 | Added SQLITE_SCANSTAT_SELECTID. Change the value returned by SQLITE_SCANSTAT_EST from sqlite3_int64 to double. Enhanced the formatting and display of scan statistics using the ".scanstats on" command in the shell. check-in: 20c7614a user: drh tags: trunk | |
| 12:46 | Further improvements to the ".scanstats on" display in the shell. Be sure to show the results of all subqueries even if there are gaps in the SELECTID values. Add ".scanstats" to the ".help" output. Closed-Leaf check-in: ee922682 user: drh tags: scanstatus | |
| 12:17 | On the ".scanstats on" output in the shell, initialize the estimated count for the first loop of each subquery to the actual loop count. check-in: d1c51c84 user: drh tags: scanstatus | |
| 12:08 | Changes the formatting of ".scanstats on" in the shell so that the stats for subqueries are grouped together and occur after the main query. check-in: eacbbd88 user: drh tags: scanstatus | |
| 04:42 | Add the SQLITE_SCANSTAT_SELECTID metric. Use it to improve the ".stmtscan on" output in the shell. check-in: 64ad5761 user: drh tags: scanstatus | |
| 03:55 | Change the SQLITE_SCANSTAT_EST parameter so that it returns a double for the estimated number of output rows per loop, rather than a 64-bit integer. Revise the output format for the ".scanstats on" in the shell to make use of this new capability. check-in: f9684000 user: drh tags: scanstatus | |
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2014-11-05
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| 21:34 | Fixes to the Windows VFS to allow memory mapped files to work without WAL support. check-in: 272fddc1 user: drh tags: trunk | |
| 21:21 | Fix harmless compiler warnings in the new balance_nonroot() routine. check-in: 83a1e5db user: drh tags: trunk | |
| 19:26 | Change the query planner to do a better job of estimating the number rows selected by a BETWEEN operator using STAT4 when both upper and lower bounds are contained within the same sample. check-in: 2d36be5d user: drh tags: trunk | |
| 15:57 | Make sure that NULL results from OP_Column are fully and completely NULL and do not have the MEM_Ephem bit set. Fix for ticket [094d39a4c95ee4]. check-in: 42705fd7 user: drh tags: trunk | |
| 14:19 | Add a test case to check that the previous commit is effective. check-in: 948d6e5d user: dan tags: trunk | |
| 13:13 | Enhance whereLoopCheaperProperSubset(X,Y) so that it does not report true if X uses skip-scan less than Y, since in that case X might deserve to be cheaper even if it is a proper subset. check-in: c106b755 user: drh tags: trunk | |
| 09:07 | Add the ".scanstats on" command to the shell tool. Executing this command causes the shell tool to print values from sqlite3_stmt_scanstatus() after each query is run. check-in: 7974c0ed user: dan tags: trunk | |
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2014-11-04
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| 21:38 | Improved output formatting for the showstat4 tool. check-in: 7df82c46 user: drh tags: trunk | |
| 19:52 | Skip tests that require WAL mode when it is not enabled. Closed-Leaf check-in: 6fc4ead2 user: mistachkin tags: winMmapNoWal | |
| 19:37 | For the Win32 VFS, allow memory mapped files to work when compiled without WAL support. check-in: 1fc7e2f3 user: mistachkin tags: winMmapNoWal | |
| 17:23 | Add various requirements evidence marks for sqlite3_config() options. check-in: d423349d user: drh tags: trunk | |
| 14:22 | Change the definition of SQLITE_CONFIG_SCRATCH so that at most one scratch buffer is used per thread. Use the generic heap memory allocator for the WalIterator object when running a checkpoint. check-in: 391c9b85 user: drh tags: trunk | |
| 13:41 | Improved documentation and addition of source-code evidence marks for the sqlite3_config() interface. check-in: 681031a4 user: drh tags: trunk | |
| 12:11 | Add the SQLITE_CONFIG_PCACHE_HDRSZ option for sqlite3_config(). check-in: 6eb03e62 user: drh tags: trunk | |
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2014-11-03
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| 18:03 | Updates to the sqlite3_stmt_scanstatus() documentation. No changes to code. check-in: d97c324e user: drh tags: trunk | |
| 16:56 | Add the experimental sqlite3_stmt_scanstatus() API. For comparing the number of rows actually visited by a loop with the estimate used by the query planner. check-in: ab3b0fc5 user: dan tags: trunk | |
| 16:39 | Fix a typo preventing this from building with SQLITE_ENABLE_STMT_SCANSTATUS defined. Closed-Leaf check-in: 4c5714ab user: dan tags: scanstatus | |
| 16:35 | Refactor the interface to make it more easily extensible. check-in: 7955342d user: drh tags: scanstatus | |
| 15:33 | Add further tests. Fixes so that compilation without ENABLE_STMT_SCANSTATUS works. check-in: a2303c71 user: dan tags: scanstatus | |
| 14:46 | Use exponential buffer size growth in StrAccum, as long as the size does not grow to large, to avoid excess memory allocation resize operations. Also, document the fact that setting scratch memory causes SQLite to try to avoid large memory allocations. check-in: a518bc33 user: drh tags: trunk | |
| 13:24 | When enlarging the size of a StrAccum object, use sqlite3DbMallocSize() to record the entire size of the allocation, not just the requested size. check-in: 3dda3c93 user: drh tags: trunk | |
| 11:25 | Remove unused variable from struct WhereInfo. Add some explanatory comments to new code. check-in: f5313e0c user: dan tags: scanstatus | |
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2014-11-01
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| 21:00 | Minor performance enhancements to SQLITE_ENABLE_STMT_SCANSTATUS code. check-in: f13d6ba8 user: dan tags: scanstatus | |
| 20:38 | If SQLITE_ENABLE_STMT_SCANSTATUS is defined, record the number of times each VDBE opcode is executed. Derive the values returned by sqlite3_stmt_scanstatus() from these records on demand. check-in: 9ea37422 user: dan tags: scanstatus | |
| 18:32 | Add requirements marks and make minor tweaks to documentation. check-in: 49188b2b user: drh tags: trunk | |
| 18:08 | Minor fixes and documentation improvements for sqlite3_stmt_scanstatus(). check-in: 8d8cc960 user: dan tags: scanstatus | |
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2014-10-31
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| 20:11 | Add the experimental sqlite3_stmt_scanstatus() API. check-in: 6a9bab34 user: dan tags: scanstatus | |
| 15:20 | Merge all recent trunk enhancements into the apple-osx branch. check-in: fef8430f user: drh tags: apple-osx | |
| 14:53 | Merge recent trunk enhancements, and in particular the improvements to the b-tree balancing logic, into the sessions branch. check-in: 28b044a5 user: drh tags: sessions | |
| 14:46 | Change the command-line shell man-page to use the ".tr" troff directive instead of ".cc" for escaping the initial "." characters in the ".help" output. check-in: 67f0d469 user: drh tags: trunk | |
| 14:26 | Simplify the logic in the cell redistribution loop of balance_nonroot(). Enhance and clarify comments and add assert() statements for additional verification of correctness. check-in: a07078b6 user: drh tags: trunk | |
| 12:22 | Simplify the math slightly, and reduce by one the number of loop iterations, for the loop in balance_nonroot() that moves cells between pages. check-in: 2e838db8 user: drh tags: trunk | |
| 10:31 | Add the "varint.c" utility program in the tool directory. check-in: ea5d56be user: drh tags: trunk | |
| 02:51 | Remove an unnecessary branch from balance_nonroot(). check-in: 9fc7c88e user: drh tags: trunk | |
| 00:05 | In the balance_nonroot() routine, protect the values in aPgno[] array from change during the page sort, so that aPgno[] can be used to avoid unnecessary pointer-map updates for auto_vacuum databases. check-in: 69c3924f user: drh tags: trunk | |
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2014-10-30
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| 23:14 | Improvements to the wording of some comments. Reinstate an assert() that is only true for non-corrupt database files by adding an "|| CORRUPT_DB" term. check-in: 67adb448 user: drh tags: trunk | |
| 20:48 | Tweaks to comments in btree.c. Minor code changes to enhance testability. check-in: c7d9aa3a user: drh tags: trunk | |
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2014-10-29
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| 18:20 | Fix the %c format character in sqlite3VXPrintf() so that it correctly handles precisions larger than 70. check-in: 08a27440 user: drh tags: trunk | |
| 13:59 | Version 3.8.7.1 check-in: 3b7b72c4 user: drh tags: release, version-3.8.7.1, branch-3.8.7 | |
| 01:27 | Increase the version number to 3.8.7.1 check-in: 83afe23e user: drh tags: branch-3.8.7 | |
| 01:26 | Fix problems with running UPDATE and DELETE against a VIEW and referencing the rowid in the WHERE clause. This is a cherrypick of [95f8ebdbf87326f2] and [8523670d50004f3]. check-in: cc33e846 user: drh tags: branch-3.8.7 | |
| 01:18 | Disable the use of strchrnul() unless specifically enabled by compile-time options. Cherrypick of check-in [e580470db77d6da9] check-in: 837368ad user: drh tags: branch-3.8.7 | |
| 01:13 | In the OP_Column opcode, when extracting a field that is past the end of a short record (because the row was originally inserted prior to ALTER TABLE ADD COLUMN) then make sure the output register is fully NULL and does not contain leftover flags (such as MEM_Ephem) from its previous use. Fix for ticket [43107840f1c02]. This is a cherrypick of check-in [24780f8ddc1683fc]. check-in: 304ea6ba user: drh tags: branch-3.8.7 | |
| 01:07 | Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. This is a cherrypick of [3e922208b68563489]. check-in: a8f9bd1e user: drh tags: branch-3.8.7 | |
| 00:58 | In the OP_Column opcode, when extracting a field that is past the end of a short record (because the row was originally inserted prior to ALTER TABLE ADD COLUMN) then make sure the output register is fully NULL and does not contain leftover flags (such as MEM_Ephem) from its previous use. Fix for ticket [43107840f1c02]. check-in: 24780f8d user: drh tags: trunk | |
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2014-10-28
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| 20:49 | Add new test file e_totalchanges.test, containing tests of the sqlite3_total_changes() interface. check-in: f84af4ad user: dan tags: trunk | |
| 20:35 | Update the documentation on the sqlite3_randomness() interface to conform to enhancements associated with the SQLITE_ENABLE_API_ARMOR change. check-in: 96e9917c user: drh tags: trunk | |
| 18:24 | Modify the documentation for sqlite3_changes() to make it more testable. Add tests and minor fixes for the same. check-in: 41cdd0c4 user: dan tags: trunk | |
| 16:50 | Fix a crash that could occur if the WHERE clause of an UPDATE statement on a view that does not feature a column named "rowid" contains a term such as "rowid=?". check-in: 8523670d user: dan tags: trunk | |
| 16:19 | Fix a faulty assert() in the DELETE code generator. check-in: 95f8ebdb user: drh tags: trunk | |
| 15:58 | Trivial simplification to the automatic index logic. check-in: 23073a05 user: drh tags: trunk | |
| 12:35 | Bump the version number to 3.8.8 check-in: 1a7e711e user: drh tags: trunk | |
| 00:56 | Correct the documentation on the maximum size of a scratch allocation. check-in: 30f86eb3 user: drh tags: trunk | |
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2014-10-27
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| 22:06 | Add special handling for static mutexes in sqlite3_mutex_alloc() when automatic calls to sqlite3_initialize() are enabled. check-in: 7857d27c user: mistachkin tags: trunk | |
| 20:14 | Remove a small amount of unnecessary #ifdeffery from random.c. check-in: 2b9340c8 user: drh tags: trunk | |
| 19:58 | Fix compilation issue with MSVC due to a misplaced variable declaration. check-in: 9588b345 user: mistachkin tags: trunk | |
| 19:42 | Fix harmless compiler warning in an assert statement. check-in: d33a1ff3 user: mistachkin tags: trunk | |
| 19:39 | Fix a typo in the macro name of an #ifdef check-in: 9646a136 user: drh tags: trunk | |
| 18:42 | Merge latest enhancements, including the SQLITE_ENABLE_API_ARMOR patch, from trunk. check-in: 10aaf3b1 user: drh tags: apple-osx | |
| 18:34 | Add the SQLITE_ENABLE_API_ARMOR compile-time option for extra API parameter validation. Enhance sqlite3_stricmp(), sqlite3_strnicmp(), and sqlite3_uri_parameter() for improved NULL parameter handling. check-in: ffb9d814 user: drh tags: trunk | |
| 18:21 | Fix an unused variable in btree.c:allocateSpace(). check-in: 63724616 user: drh tags: trunk | |
| 14:26 | Optimizations aimed at reducing the number of memcpy() operations required by balance_nonroot(). check-in: face33be user: dan tags: trunk | |
| 11:25 | Add test file e_wal.test. check-in: fc6920b5 user: dan tags: trunk | |
| 08:02 | If a free-slot is found within a page, but using that free-slot would fragment the page further and there are already at least 60 fragmented bytes, degragment the page. This matches the behaviour of the trunk. Closed-Leaf check-in: 1f80f8c1 user: dan tags: defrag-opt | |
| 07:01 | Merge trunk with this branch. check-in: a13df301 user: dan tags: defrag-opt | |
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2014-10-25
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| 20:36 | Further modifications to new code to better handle corrupt databases. check-in: 1a8cf0a0 user: dan tags: defrag-opt | |
| 13:42 | Increase the resolution of the second parameter to the likelihood() SQL function (the probability value) so that it can handle probabilities as small as 0.00000001. Formerly, it ran out of precision at 0.001. check-in: 0f08924f user: drh tags: trunk | |
| 12:28 | Do not use virtual (and hence redundant) WHERE-clause terms to restrict the content of a automatic partial index. Show when an automatic partial index is used in the EXPLAIN QUERY PLAN output. check-in: b9ad601e user: drh tags: trunk | |
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2014-10-24
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| 20:57 | Ensure that the "Any prior cache entry associated with newKey is guaranteed not to be pinned" guarantee made to xRekey implementations is not violated. check-in: ecc3544e user: dan tags: defrag-opt | |
| 19:28 | Enhance the automatic index logic so that it creates a partial index when doing so gives the same answer for less work. UPDATE: This change introduced a bug described by ticket [2326c258d02ead33]. check-in: d95d0313 user: drh tags: trunk | |
| 18:43 | Fix some issues in the new code on this branch related to the handling of corrupt databases. check-in: 19736dd9 user: dan tags: defrag-opt | |
| 16:40 | Fix some minor formatting and code organization issues. check-in: eab8706d user: dan tags: defrag-opt | |
| 15:26 | Honor a high likelihood() on range constraints. check-in: 401235ed user: drh tags: trunk | |
| 14:32 | Get the likelihood() functions working on operators like BETWEEN that create virtual terms in the WHERE-clause analysis. check-in: 03d0498d user: drh tags: trunk | |
| 12:37 | Fix two problems. Tests now passing. Closed-Leaf check-in: 1c220b80 user: drh tags: api-armor | |
| 00:35 | Add the SQLITE_ENABLE_API_ARMOR compile-time option. This is a work in progress and is not yet completely functional. check-in: c297a84b user: drh tags: api-armor | |
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2014-10-23
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| 17:26 | Add debugging code to count the number of iterations of each loop made as part of statement execution. Leaf check-in: c6a5b67a user: dan tags: debug-loopcounters | |
| 01:01 | Implement sqlite3_create_collation() by invoking sqlite3_create_collation_v2() with a NULL destructor argument. This saves a little space. check-in: 9762ad06 user: drh tags: trunk | |
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2014-10-22
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| 20:07 | Disable the use of strchrnul() unless specifically enabled by compile-time options. check-in: e580470d user: drh tags: trunk | |
| 19:57 | Change the 0x800 bit of SQLITE_TESTCTRL_OPTIMIZATIONS so that it disables the loading of STAT3 and STAT4 content, not just the using of that content. Change the internal name of that bit to SQLITE_Stat34. check-in: ca3b00c4 user: drh tags: trunk | |
| 18:42 | Merge latest trunk with this branch. check-in: 854a54c6 user: dan tags: defrag-opt | |
| 16:25 | The _beginthreadex() / _endthreadex() functions should only be used when compiling with MSVC. Closed-Leaf check-in: 1a5a5da3 user: mistachkin tags: msvcThreads | |
| 15:33 | Add tests to check error handling in OTA. check-in: ec7321ae user: dan tags: ota-update | |
| 15:27 | Take steps to avoid misestimating range query costs based on STAT4 data due to the roundoff error of converting from integers to LogEst and back to integers. check-in: 3c933bf9 user: drh tags: trunk | |
| 14:22 | Version 3.8.6.1 check-in: 1581c30c user: drh tags: release, version-3.8.6.1, branch-3.8.6 | |
| 11:30 | Sync the database file in sqlite3_ckpt_close(), even if the checkpoint has not finished. check-in: e2729d62 user: dan tags: ota-update | |
| 03:00 | Update the version number to 3.8.6.1 check-in: cad7f8d6 user: drh tags: branch-3.8.6 | |
| 02:43 | Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. This is a cherry-pick of [3e922208b68563] check-in: 67484807 user: drh tags: branch-3.8.6 | |
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2014-10-21
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| 21:56 | Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. check-in: 3e922208 user: drh tags: trunk | |
| 19:35 | Test that sqlite3ota_open() works with URI paths. Fix some other issues. check-in: 6fd09854 user: dan tags: ota-update | |