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100 descendants and 100 ancestors of dcf4fb8d764611de60afea27cda0a8548ba7ca82
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2015-06-29
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| 00:52 | Move an assert() and testcase() into their correct position within getAndInitPage(). (check-in: 18115164 user: drh tags: trunk) | |
| 00:21 | Use tail recursion in pcache1Unpin() to get a small size reduction and speed improvement. (check-in: fde70472 user: drh tags: trunk) | |
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2015-06-28
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| 17:33 | Comment typo fix and minor cleanup in the pager. No logic changes. (check-in: 94ef1701 user: drh tags: trunk) | |
| 02:58 | Avoid unnecessary calls to sqlite3VdbeSerialTypeLen() for integer serial types, for a small size reduction and a speed increase. (check-in: 9cd30d33 user: drh tags: trunk) | |
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2015-06-27
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| 23:55 | Make greater use of BtCursor.curIntKey. (check-in: 63998471 user: drh tags: trunk) | |
| 22:49 | Add the BtCursor.curIntKey field and use it for a small size reduction and performance boost. (check-in: 4a17df13 user: drh tags: trunk) | |
| 20:55 | Enhancements to the previous check-in to make it a little smaller and faster. (check-in: 291d9e0c user: drh tags: trunk) | |
| 19:45 | Performance improvements in moveToChild() by shifting some work over to getAndInitPage(). Net improvement is about 800K cycles at cost of 30 bytes. (check-in: 1956a4ce user: drh tags: trunk) | |
| 15:51 | Manually inline the call from getAndInitPage() to btreeGetPage() for a savings of 2.5 million cycles at a cost of less than 100 bytes. (check-in: 7f65b96b user: drh tags: trunk) | |
| 14:59 | Add releasePageNotNull() as an alternative to releasePage() when the argument is guaranteed to be non-NULL, and use it for a small performance gain. (check-in: 9383a688 user: drh tags: trunk) | |
| 03:58 | Add the Mempage.aDataOfst field and use it in sqlite3BtreeMovetoUnpacked() for about a 2 million cycle gain. (check-in: bee94dc3 user: drh tags: trunk) | |
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2015-06-26
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| 20:45 | Treat compilation of FTS5 for the loadable extension specially with MSVC. (check-in: 7c610276 user: mistachkin tags: trunk) | |
| 20:25 | Merge fts5 branch into trunk. (check-in: d27d9965 user: dan tags: trunk) | |
| 20:14 | Merge latest trunk with this branch. (Closed-Leaf check-in: 8671b9e1 user: dan tags: fts5) | |
| 20:13 | Remove unnecessary lines from fts3.h and main.mk. (check-in: c1b268ce user: dan tags: fts5) | |
| 20:08 | Fix a segfault that could follow an OOM error in fts5. (check-in: 713239b8 user: dan tags: fts5) | |
| 19:43 | Small size reduction and performance increase on the OP_IdxInsert opcode. (check-in: b6bedc2e user: drh tags: trunk) | |
| 19:33 | Merge latest trunk changes with this branch. (check-in: 2a1af0f2 user: dan tags: fts5) | |
| 18:50 | Fix some cases in the fts5 code where a corrupt database could cause a buffer overread. (check-in: 360c57bb user: dan tags: fts5) | |
| 18:47 | Further optimization of SQL function dispatch. Improvements to opcode documentation. (check-in: eaddbf29 user: drh tags: trunk) | |
| 18:16 | Cache the sqlite3_context structure in the P4 operand of VDBE programs for faster SQL function dispatch. (check-in: 2abc44eb user: drh tags: trunk) | |
| 17:10 | Merge changes to get FTS5 working with MSVC. (check-in: 954231d2 user: mistachkin tags: fts5) | |
| 16:55 | Merge upstream changes. Get the test fixture working with FTS5. Fix compiler warnings. (Closed-Leaf check-in: bfcd1608 user: mistachkin tags: fts5Msvc) | |
| 16:42 | Remove fts5 initialization code from core file main.c. (check-in: c91a93b3 user: dan tags: fts5) | |
| 16:17 | Add FTS5 DLL target for MSVC. (check-in: be85b824 user: mistachkin tags: fts5Msvc) | |
| 13:31 | Cache the most recently sqlite3_context used by OP_Function and reuse it on subsequent calls, if appropriate. This gives a noticable performance boost. (Closed-Leaf check-in: 2f31bdd1 user: drh tags: function-ctx-cache) | |
| 04:34 | Initial changes to get FTS5 working with MSVC. (check-in: ef2052f8 user: mistachkin tags: fts5Msvc) | |
| 03:12 | Fix harmless compiler warning in assert statement. (check-in: 7097716c user: mistachkin tags: trunk) | |
| 02:41 | Simplify the pcache by not keeping continuous track of page 1 but instead just loading page 1 on the rare occasions when it is actually needed. (check-in: 015302f1 user: drh tags: trunk) | |
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2015-06-25
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| 23:52 | Optimization to sqlite3_value_bytes() for the common case that does not require a data transformation. (check-in: 8d79f3a1 user: drh tags: trunk) | |
| 20:36 | Fix Makefile.in to account for recent changes. Update fts5 test scripts so that they do not run if SQLITE_ENABLE_FTS5 is not defined. (check-in: 31752207 user: dan tags: fts5) | |
| 20:16 | Merge latest trunk changes into this branch. (check-in: fcd8f7ce user: dan tags: fts5) | |
| 20:10 | Add a script to combine all fts5 code into a single file - fts5.c - that can be used to build an SQLite loadable extension. (check-in: 46e86b06 user: dan tags: fts5) | |
| 19:53 | Simplifications and performance improvements in insertCell(). (check-in: 7d02e6c9 user: drh tags: trunk) | |
| 18:36 | More simplifications and performance improvements to cell allocation logic associated with allocateSpace(). (check-in: 78da0f69 user: drh tags: trunk) | |
| 16:01 | Reorder the terms of a conditional for a small performance gain. (check-in: d67b0ed1 user: drh tags: trunk) | |
| 15:44 | Merge all the latest enhancements from trunk. (check-in: 924f4712 user: drh tags: sessions) | |
| 15:21 | Remove a NEVER() that is in fact reachable. (check-in: f824e66b user: drh tags: trunk) | |
| 15:04 | Minor optimization to allocateSpace(). (check-in: d007bc33 user: drh tags: trunk) | |
| 13:03 | Enhance the Btree object to remember whether or not it is holding an Incrblob cursor. Use this knowledge to improve performance in the common case where it does not. (check-in: 476b1156 user: drh tags: trunk) | |
| 02:26 | Remove a line of code that doesn't do any useful work. (check-in: 3ee888be user: drh tags: trunk) | |
| 02:25 | Increase the default timeout on fuzzcheck to 120 seconds - sufficient for running under valgrind on a slow workstation. (check-in: fad0eacc user: drh tags: trunk) | |
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2015-06-24
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| 23:44 | Add the --timeout option to fuzzcheck. (check-in: a8f4f7fa user: drh tags: trunk) | |
| 23:17 | Fix fuzzcheck so that it works with SQLITE_OMIT_PROGRESS_CALLBACK. (check-in: 7a9c4eb3 user: drh tags: trunk) | |
| 18:22 | Add "ON CONFLICT" handling to the spellfix module. (check-in: 07937a81 user: drh tags: trunk) | |
| 17:21 | Add "ON CONFLICT" handling to the spellfix module. (Closed-Leaf check-in: 1d04def7 user: dan tags: spellfix-constraints) | |
| 14:45 | In the fuzzcheck test program, use the progress handler to limit the number of VDBE cycles to avoid getting stuck if the SQL under test contains an infinite CTE loop. Add the --limit-vdbe command-line option. (check-in: fbf9c432 user: drh tags: trunk) | |
| 14:36 | Fix the progress handler so that it does not fire too soon during an sqlite3_step() call other than the first. (check-in: b41ef5d6 user: drh tags: trunk) | |
| 13:32 | Fix a harmless compiler warning. (check-in: 3b6fa95e user: drh tags: trunk) | |
| 13:25 | Rig the fuzzcheck test program so that it times out after 10 seconds in case of an infinite loop in the test case. (check-in: 659cfc9d user: drh tags: trunk) | |
| 13:05 | Update the database fuzz test cases to cover all recent findings. (check-in: 47ba7d96 user: drh tags: trunk) | |
| 12:44 | Add the --rebuild object to fuzzcheck. (check-in: db87664a user: drh tags: trunk) | |
| 12:24 | Prevent an infinite loop while searching a corrupt freelist. (check-in: 4e5424fe user: drh tags: trunk) | |
| 12:07 | Strengthen the new balance_nonroot() code against various corrupt database problems. (check-in: 5ba98343 user: drh tags: trunk) | |
| 10:46 | Adjustment to a malloc test so that it accepts a narrow range of values to account for variations in malloc subsystems. (check-in: e0195070 user: drh tags: trunk) | |
| 01:07 | Remove an invalid NEVER() and add a test case to cover it. (check-in: 14b73d20 user: drh tags: trunk) | |
| 00:05 | Performance optimization on balance_nonroot() and related routines. 2.6% faster overall with a size increase of less than 750 bytes. (check-in: 25131e70 user: drh tags: trunk) | |
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2015-06-23
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| 23:31 | Mark some branches as unreachable after the recent change that recognizes mismatch result set sizes on compound SELECT statements sooner. (check-in: c8d1f305 user: drh tags: trunk) | |
| 21:35 | Testability improvement. (Closed-Leaf check-in: eed6a331 user: drh tags: btree-opt2) | |
| 18:47 | Improve test coverage of fts5. (check-in: df5ccea8 user: dan tags: fts5) | |
| 18:24 | Multiple overflow cells are always adjacent and sequential. Exploit this invariant for a small size reduction and performance increase and add assert()s to prove the invariant. (check-in: f77f2f48 user: drh tags: btree-opt2) | |
| 17:09 | Faster loading of cell pointers into the b.apCell array in balance_nonroot. (check-in: fda89b05 user: drh tags: btree-opt2) | |
| 16:00 | Avoid unnecessary cachedCellSize() calls in the cell partition adjustment phase of balance_nonroot(). (check-in: 6319ee12 user: drh tags: btree-opt2) | |
| 15:36 | Change pageInsertArray() and pageFreeArray() so that they use the CellArray object and compute cell sizes as needed, resulting in smaller and faster code. (check-in: f7f41818 user: drh tags: btree-opt2) | |
| 15:06 | Merge latest trunk changes with this branch. Add tests for columnsize=0. (check-in: ef44c71a user: dan tags: fts5) | |
| 14:49 | Improvements to the way balance_nonroot() constructs the b.apCell array of pointers to cells. (check-in: ee44bb25 user: drh tags: btree-opt2) | |
| 13:02 | Merge the compound SELECT operator fix from trunk. (check-in: a7be554f user: drh tags: btree-opt2) | |
| 12:19 | Test that the left and right sides of a compound SELECT operator have the same number of expressions in the expanded expression list before beginning to generate code. (check-in: 4df852ce user: dan tags: trunk) | |
| 02:37 | Avoid computing cell sizes in balance_nonroot() until they are really needed. This gives an overall 1.7% performance gain for about 1000 extra bytes of code space. (check-in: 43844537 user: drh tags: btree-opt2) | |
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2015-06-22
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| 20:02 | Change the way that balance_nonroot() partitions cells between the sibling pages such that a scan of the cell size array is not required. (check-in: 16872871 user: drh tags: btree-opt2) | |
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2015-06-20
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| 18:13 | Split out all four cases of cellSizePtr() into different methods, each optimized for the specific page type. This gives a 0.36% performance increase at a cost of about 300 bytes of code. (Leaf check-in: 522502ec user: drh tags: btree-opt) | |
| 14:11 | Update the fuzztest data using the latest test vectors discovered by AFL. (check-in: b97f9cf7 user: drh tags: trunk) | |
| 13:18 | Make sure that the likelihood() function does not mess up generation of result-set code when it is used (inappropropriately) in a result-set expression. (check-in: 7cdbae62 user: drh tags: trunk) | |
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2015-06-19
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| 20:31 | Performance improvements in btreeParseCell() by inlining the varint decoder. (check-in: 172a864d user: drh tags: trunk) | |
| 20:08 | Fix corner cases involving corrupt varint values in record headers. (Closed-Leaf check-in: 3189116b user: drh tags: btree-opt) | |
| 18:24 | Performance improvements in btreeParseCell() by inlining the varint decoder. (check-in: faab0ed9 user: drh tags: btree-opt) | |
| 17:19 | Add the MemPage.xParseCell method and provide various implementations (variations on the former btreeParseCellPtr()) depending on the page type. (check-in: 41d03d88 user: drh tags: trunk) | |
| 15:07 | Make cellSizePtr() a method on the MemPage object, with alternative implementations depending on the page type. This results is a small performance improvement and size reduction. (check-in: 02f7e9d7 user: drh tags: trunk) | |
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2015-06-18
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| 15:26 | Further #ifdef changes in speedtest1.c in order to support SQLite back to version 3.3.9 and perhaps even earlier. (check-in: 9246eca5 user: drh tags: trunk) | |
| 14:32 | Pervent the likelihood() function from moving ON clause terms of a LEFT JOIN into the WHERE clause. Fix for ticket [5f60b11fc8e23490e2] (check-in: ed96e14a user: drh tags: trunk) | |
| 14:09 | Show the values of Expr.flag in the AST of ".selecttrace" (check-in: a84d1004 user: drh tags: trunk) | |
| 12:37 | Add #ifdefs to some features speedtest1.c so that it compiles with older versions of SQLite, going back to version 3.5.1. (check-in: f50dd154 user: drh tags: trunk) | |
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2015-06-17
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| 23:28 | Performance improvement in sqlite3VdbeMemShallowCopy() for the common case where the receiver does not require prior resource deallocation. (check-in: d718ea36 user: drh tags: trunk) | |
| 19:06 | Use 'binary' mode for popen with MSVC. (Closed-Leaf check-in: 7b84641e user: mistachkin tags: popenMsvc) | |
| 18:57 | Improve spacing and comment style for the shell. No changes to code. (check-in: 5b547da0 user: mistachkin tags: trunk) | |
| 18:24 | Improved comments on the fuzzcheck.c test program. No changes to code. (check-in: a7e27d19 user: drh tags: trunk) | |
| 18:18 | Merge all recent enhancements and fixes from trunk. (check-in: 199bfb67 user: drh tags: sessions) | |
| 17:08 | Fix a uninitialized variable use in the command-line shell when the ".open" command is invoked without any arguments. (check-in: fc4f4d1e user: drh tags: trunk) | |
| 13:20 | Performance optimization and comment fixes for the LIKE and GLOB operators. (check-in: c89d7726 user: drh tags: trunk) | |
| 02:11 | Make getCellInfo() a real function instead of a macro, for a size reduction and a 0.2% performance gain. (check-in: 55c393ea user: drh tags: trunk) | |
| 01:31 | Optimizations to two VDBE accessory routines for a 0.2% performance increase. (check-in: 66d033b9 user: drh tags: trunk) | |
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2015-06-16
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| 16:39 | Ensure that the CREATE TABLE AS statement correctly undoes partial changes to the sqlite_master table if the SELECT on the right-hand side aborts with an error. Fix for ticket [873cae2b6e25b] (check-in: 400e025e user: drh tags: trunk) | |
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2015-06-15
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| 16:40 | Adjust ICU tests to account for recent changes in the official Unicode definition of whitespace. (check-in: 08165253 user: drh tags: trunk) | |
| 16:09 | Fix a harmless comment typo. No code changes. (check-in: ae687652 user: drh tags: trunk) | |
| 14:43 | Fix harmless compiler warnings. (check-in: b0badb99 user: drh tags: trunk) | |
| 12:58 | Improved detection of database corruption in freeSpace(). (check-in: 29bcb568 user: drh tags: trunk) | |
| 10:49 | Comment typo fix. No code changes. (check-in: 17f185ad user: drh tags: trunk) | |
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2015-06-13
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| 19:05 | Added test cases based on Bruce Momjian's talk on SQL NULLs. (Leaf check-in: 68c168b5 user: drh tags: is-distinct-from) | |
| 11:48 | Add the IS DISTINCT FROM and IS NOT DISTINCT FROM operators. (check-in: 0be44782 user: drh tags: is-distinct-from) | |
| 11:19 | Omit mutex calls in pcache1 when the mutex is NULL, for a significant performance improvement. (check-in: caf8f574 user: drh tags: trunk) | |
| 11:10 | Avoid unnecessary mutex usage in pcache1, for a significant speedup. (Closed-Leaf check-in: dcf4fb8d user: drh tags: faster-pcache1-fetch) | |
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2015-06-12
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| 13:49 | Add a fast-path implementation of pcache1Fetch() for the common case of separate caches that do not use a mutex. (check-in: 760700ed user: drh tags: faster-pcache1-fetch) | |
| 13:04 | Minor performance optimization in pcache1.c. (check-in: 2e8ad2ea user: drh tags: trunk) | |
| 12:54 | Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (check-in: 711a176c user: drh tags: trunk) | |
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2015-06-11
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| 14:19 | Remove stray outputs from the test suite. (check-in: afc6db9b user: drh tags: trunk) | |
| 13:58 | When generating code for partial indexes, be sure not to modify the index condition expression in the schema. (check-in: e63d01c6 user: drh tags: trunk) | |
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2015-06-10
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| 23:02 | More test output refinements. (Closed-Leaf check-in: e64a5681 user: mistachkin tags: testerOutput) | |
| 22:51 | Remove possibly stray output from various tests. (check-in: f38e0be5 user: mistachkin tags: testerOutput) | |
| 22:03 | Fix minor typo in the quicktest MSVC makefile target. (check-in: 75b65f9d user: mistachkin tags: trunk) | |
| 18:53 | "test" targets on all makefiles use --verbose=file --output=test-out.txt. Add the new "quicktest" target to all makefiles - designed to run in under three minutes. The --quick option on releasetest.tcl now uses quicktest. (check-in: 6ddef2ad user: drh tags: trunk) | |
| 14:27 | Avoid passing constraints that are unusable due to LEFT or CROSS joins to virtual table xBestIndex() methods. (check-in: 7b446771 user: dan tags: trunk) | |
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2015-06-09
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| 15:58 | Add the --output=$file and --verbose=(0|1|file) options to tester.tcl. (check-in: f7b2c703 user: dan tags: trunk) | |
| 10:58 | Remove some repeated lines of source code. Probably introduced by careless cut'n'pasting. (Closed-Leaf check-in: a34cd71c user: dan tags: vtab-left-join) | |
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2015-06-08
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| 19:15 | Add the valgrindfuzz target to unix makefile. (check-in: e62aed01 user: drh tags: trunk) | |
| 18:48 | If a query contains "FROM t1 LEFT JOIN t2, t3, t4", ensure that tables t3 and t4 are not scanned before t2. The trunk already does this. (check-in: 0d9edfab user: dan tags: vtab-left-join) | |
| 18:05 | Avoid passing constraints that are unusable due to LEFT or CROSS joins to virtual table xBestIndex() methods. (check-in: 80ee56dd user: dan tags: vtab-left-join) | |
| 17:42 | Fix typo in comment. No changes to code. (check-in: e49c2917 user: mistachkin tags: trunk) | |
| 17:40 | Split out some source code into new files: wherecode.c, whereexpr.c, and treeview.c. Other minor refactoring changes. (check-in: 50f33681 user: drh tags: trunk) | |
| 15:08 | Factor out the TreeView parse tree printing module into a separate file. (check-in: c32ce54c user: drh tags: view-optimization) | |
| 14:23 | Split more subfunctions of where.c out into a new whereexpr.c source file, for improved maintainability. (check-in: 46ef95c1 user: drh tags: view-optimization) | |
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2015-06-06
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| 20:12 | Split out the bulk of the actual VDBE code generation logic from where.c into a new file, leaving behind the analysis logic. This makes the original where.c smaller and hopefully easier to edit. (check-in: faa0e420 user: drh tags: view-optimization) | |
| 18:30 | Code simplifications in select.c and where.c. (check-in: 4f20ac90 user: drh tags: view-optimization) | |
| 00:18 | Minor cleanup of the sqlite3Select() procedure. (check-in: f4c90d06 user: drh tags: view-optimization) | |
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2015-06-05
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| 22:33 | Split FROM-clause subquery flattening and code generation into separate loops. (check-in: be8e3fc7 user: drh tags: view-optimization) | |
| 20:27 | Provide one final Select tree dump prior to WHERE clause analysis when ".selecttrace 0x400" tracing bit is set with SELECTTRACE_ENABLED. Analysis and debug changes only - normal builds are unaffected. (check-in: 283bf0b6 user: drh tags: trunk) | |
| 15:59 | Add a new opcode to the VDBE that gives the b-tree a hint about the set of columns in a table or index that are actually used by the query. (Closed-Leaf check-in: f167bba4 user: drh tags: column-usage-hint) | |
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2015-06-04
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| 12:08 | Change the name of SrcList.a[].zIndex to the more descriptive SrcList.a[0].zIndexedBy. (check-in: 6a9cf063 user: drh tags: trunk) | |
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2015-06-02
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| 19:36 | Always check for cell overflow before returning a slot from the pageFindSlot routine in btree.c. (check-in: 9f035c45 user: drh tags: trunk) | |
| 18:09 | For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. (check-in: 6df18e94 user: drh tags: trunk) | |
| 17:25 | Add test cases for type affinity rules. (check-in: 9678646d user: drh tags: trunk) | |
| 16:19 | Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB to avoid confusion with "no affinity". (check-in: 29ad9e91 user: drh tags: trunk) | |
| 15:32 | Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB. (Closed-Leaf check-in: bce3f041 user: drh tags: blob-affinity-rename) | |
| 14:02 | Fix a faulty assert() in btree.c. Update the database fuzz test file with new test cases. (check-in: 4e621af1 user: drh tags: trunk) | |
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2015-06-01
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| 20:28 | For FROM-clause subqueries that cannot be flattened, try to push WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. (Closed-Leaf check-in: 297fae75 user: drh tags: subquery-opt) | |
| 18:13 | Corrections to comments in expr.c. No code changes. (check-in: f925389e user: drh tags: trunk) | |
| 11:10 | Typo fixes and additional background information in README.md. (check-in: 9b8e5823 user: drh tags: trunk) | |
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2015-05-30
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| 22:57 | Updates to configure.ac to help it find where the TCL libraries hidden on Ubuntu 14.04. (check-in: c864ff91 user: drh tags: trunk) | |
| 22:05 | Fix minor typo in comment. No changes to code. (check-in: 73fc058b user: mistachkin tags: trunk) | |
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2015-05-29
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| 18:42 | Ensure that allocateBtreePage() always clears the MemPage pointer when it fails due to an I/O or memory allocation error. (check-in: 09a38bf6 user: drh tags: trunk) | |
| 17:51 | Move two unreachable conditionals inside of NEVER() or assert(). (check-in: db4e9728 user: drh tags: trunk) | |
| 17:13 | Remove a corruption test in balance_nonroot that is superceded by a prior better check. (check-in: 00693682 user: drh tags: trunk) | |
| 15:15 | Omit the rowallock.test script (Read-Only WAL lock) from the inmemory_journal permutation. (check-in: d21db330 user: drh tags: trunk) | |
| 14:47 | Add support for automatic indexes on FROM-clause subqueries that are implemented via co-routine. (check-in: 020b8b10 user: drh tags: trunk) | |
| 14:36 | Add some extra source-code comments and a test case. (Closed-Leaf check-in: 6d410442 user: drh tags: coroutine-autoindex) | |
| 13:55 | An attempt to allow automatic index creation on subqueries accessed via co-routine. (check-in: 521345ad user: drh tags: coroutine-autoindex) | |
| 01:35 | Using "SELECT ALL" instead of just "SELECT" on a query that uses a single unflattenable subquery or view in its FROM clause will force the subquery to be manifested into a temporary table rather than run incrementally using a co-routine. This is a stop-gap means of controlling the decision to manifest while we try to work out a better to make that decision automatically. (check-in: a29e117d user: drh tags: trunk) | |
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2015-05-28
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| 15:14 | Added comments and testcase() macros to error cases in the btree search. (check-in: 7da7dc71 user: drh tags: trunk) | |
| 11:23 | Earlier detection of incompatible sibling pages in balance_nonroot. (check-in: 60a09f17 user: drh tags: trunk) | |
| 03:45 | Add new test cases to the fuzzdata3.db set of database fuzz tests. (check-in: 467b13a4 user: drh tags: trunk) | |
| 03:28 | Add the btreeGetUnusedPage() routine to btree.c, and use it to detect content pages on the freelist and to cause that condition to trigger an SQLITE_CORRUPT. (check-in: fe15d1f7 user: drh tags: trunk) | |
| 00:54 | Do not attempt to take any write lock on a read-only database on Windows. (check-in: a47ff0cd user: drh tags: trunk) | |
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2015-05-27
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| 19:35 | The fuzzoomtest makefile target is no longer supported, so update releasetest.tcl accordingly. (check-in: 06959d4a user: drh tags: trunk) | |
| 18:19 | Fix a minor and harmless memory leak in fuzzcheck. Adjust the makefiles to run fuzzcheck with --quiet on valgrind tests. (check-in: 8bfe8344 user: drh tags: trunk) | |
| 18:13 | All bytes of a page are initialized, even bytes that follow a 2-byte cell on a malformed page. (check-in: 7373a004 user: drh tags: trunk) | |
| 15:42 | A different approach to preventing buffer overreads when comparing a vector of values with a corrupt index record that spans at least one overflow page. (check-in: 95eaa49f user: drh tags: trunk) | |
| 15:10 | Disallow the use of "rowid" in CTEs - it has never worked correctly and it makes no sense, so we might as well make it an explicit error. Also: add the PRAGMA cell_size_check=ON command. (check-in: 19e2cebc user: drh tags: trunk) | |
| 14:21 | A different approach to preventing buffer overreads when comparing a vector of values with a corrupt index record that spans at least one overflow page. (Closed-Leaf check-in: 7e9e1b61 user: dan tags: avoid-buffer-overread) | |
| 13:06 | CTEs have never had working rowids. So disallow the use of the "rowid" column within CTEs. (Closed-Leaf check-in: 0055df04 user: drh tags: no-rowid-in-cte) | |
| 03:46 | Add the "PRAGMA cell_size_check=ON" command. (Closed-Leaf check-in: 2ead43f0 user: drh tags: cell-size-check-pragma) | |
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2015-05-26
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| 20:31 | Avoid a buffer overread when comparing against a corrupt record that spans at least one overflow page. (check-in: 62a5b363 user: dan tags: trunk) | |
| 20:07 | Avoid branching on an uninitalized variable when comparing SQL values with the undefined serial types 10 and 11 (which only appear in corrupt databases). (check-in: b4a45d3b user: dan tags: trunk) | |
| 19:08 | The "make fuzztest" target now uses fuzzcheck instead of fuzzershell. Test data is added for database fuzz testing. (check-in: 5e3e410b user: drh tags: trunk) | |
| 19:01 | Merge accidental fork. (Closed-Leaf check-in: e85628e3 user: dan tags: test-using-fuzzcheck) | |
| 18:58 | Fix a one-byte buffer overread that may follow a syntax error while preparing an SQL statement. (check-in: 07500393 user: dan tags: test-using-fuzzcheck) | |
| 18:58 | Fix fuzzcheck so that it responds correctly to the TEST_FAILURE environment variable. (check-in: 76770c9e user: drh tags: test-using-fuzzcheck) | |
| 18:15 | The "make fuzztest" target now uses fuzzcheck instead of fuzzershell. (check-in: 4a5f6f1f user: drh tags: test-using-fuzzcheck) | |
| 17:57 | Enhance fuzzcheck with the ability to store descriptions in each source database and to run multiple source databases in a single invocation. (check-in: 193364c8 user: drh tags: trunk) | |
| 17:33 | Add a cast to one side of the test added by [97806a78] in order to avoid a signed/unsigned comparison warning. (check-in: 5b46d2a7 user: dan tags: trunk) | |
| 17:29 | Avoid using a zero-sized array within a struct in fts3 code. (check-in: b05cae36 user: dan tags: trunk) | |
| 16:12 | Fix another bug in the in-memory VFS for fuzzcheck. (check-in: 16878a31 user: drh tags: trunk) | |
| 14:57 | Update test cases in corruptI.test so that they work with both SQLITE_ENABLE_OVERSIZE_CELL_CHECK and SQLITE_DEFAULT_AUTOVACUUM builds. (check-in: 22a14663 user: dan tags: trunk) | |
| 12:18 | Return SQLITE_CORRUPT to the user if an attempt is made to add database page 1 to the free page list. (check-in: 68876003 user: dan tags: trunk) | |
| 11:53 | Fix a problem with ignoring UNIQUE constraints on WITHOUT ROWID tables rendered redundant by the PRIMARY KEY. (check-in: 3b936913 user: dan tags: trunk) | |
| 03:31 | Silence harmless compiler warnings when building the command line utilities with MSVC. (check-in: d26060c4 user: mistachkin tags: trunk) | |
| 03:24 | Add fuzzcheck to makefile clean targets. Also, for consistency, replace a few tabs with spaces. (check-in: eda2a437 user: mistachkin tags: trunk) | |
| 00:28 | Add the --result-trace option to fuzzcheck, and other interface enhancements. (check-in: c415bb7b user: drh tags: trunk) | |
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2015-05-25
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| 23:14 | Fix an important bug in the xRead method of the in-memory VFS for fuzzcheck. (check-in: 58cd40e8 user: drh tags: trunk) | |
| 22:38 | Add the fuzzcheck test program. (check-in: 341cb6ab user: drh tags: trunk) | |
| 22:29 | Add fuzzcheck to all makefiles and fix compiler warnings. (Closed-Leaf check-in: 7b3d2190 user: drh tags: fuzzcheck) | |
| 22:18 | Merge in trunk fixes. (check-in: c71c2e1a user: drh tags: fuzzcheck) | |
| 22:17 | Improved tracing capabilities in fuzzcheck. (check-in: 864bfdbf user: drh tags: fuzzcheck) | |
| 21:59 | Add the --native-vfs option on fuzzcheck. (check-in: 12e95e3f user: drh tags: fuzzcheck) | |
| 20:04 | Fix a case of a corrupt database causing SQLite to read from up to 4 bytes before the start of a memory allocation. (check-in: 7d2c4f7b user: dan tags: trunk) | |
| 19:37 | Merge the btree fixes out of trunk. (check-in: f3cd8cec user: drh tags: fuzzcheck) | |
| 19:35 | Add the --dbid and --sqlid parameters to fuzzcheck. Other fuzzcheck fixes. (check-in: 75ec9299 user: drh tags: fuzzcheck) | |
| 19:24 | Have the b-tree layer return SQLITE_CORRUPT to any attempt to open a cursor with a root page number less than 1. (check-in: aa18c8e9 user: dan tags: trunk) | |
| 18:48 | First code for a new utility program to rerun checks on a large number of fuzzer-generated test cases. (check-in: c5b4e363 user: drh tags: fuzzcheck) | |
| 18:47 | Fix a couple of btree asserts that would fail when encountering 32-bit rollover in cell payload size fields (cell payloads this large always indicate corruption). (check-in: 8fa0937a user: dan tags: trunk) | |
| 17:07 | Fix a case where database corruption may cause SQLite to write past the end of a buffer. (check-in: 97806a78 user: dan tags: trunk) | |
| 15:03 | Fix an assert() in btree routine freeSpace() that may be false if the database is corrupt. (check-in: 00a473c5 user: dan tags: trunk) | |
| 10:57 | Fix an fts4 matchinf() problem triggered by deferred tokens that are part of phrases that are part of AND expressions. (check-in: f1e942a1 user: dan tags: trunk) | |
| 10:29 | Fix an obsolete comment - no changes to code. (check-in: 4e4228c4 user: drh tags: trunk) | |
| 09:33 | Remove an incorrect and pointless assert(). (check-in: 8c3929bd user: drh tags: trunk) | |
|
2015-05-24
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| 21:46 | The assert() changes removed in the previous check-in are needed after all. (check-in: 336fccc8 user: drh tags: trunk) | |
| 21:09 | Better detection of corruption in allocateSpace() in btree.c. (check-in: bf7bb53e user: drh tags: trunk) | |
| 10:18 | Detect database corruption in the modifyPagePointer() routine and abort. (check-in: 4f0bba42 user: drh tags: trunk) | |
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2015-05-23
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| 19:53 | Instead of early detection of corruption in balance_nonroot, simply ignore the error, as it is harmless and exceedingly uncommon. (check-in: 7bbf9b3c user: drh tags: trunk) | |
| 19:29 | Earlier detection of a specific kind of corruption in the balance_nonroot() routine. (check-in: ee6dc991 user: drh tags: trunk) | |
| 02:44 | Minor documentation improvements. No changes to code. (check-in: e446d9ce user: drh tags: trunk) | |
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2015-05-22
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| 23:50 | Improved error messages in fuzzershell when unable to open the database. (check-in: c404fcac user: drh tags: trunk) | |
| 23:45 | Fix a bug in fuzzershell caused by an uninitialized local variable. (check-in: 745deab8 user: drh tags: trunk) | |