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100 check-ins occurring around ef44c71a22518727.

2015-06-26
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
2015-06-25
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
2015-06-24
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
2015-06-23
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
2015-06-22
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
2015-06-20
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
2015-06-19
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
2015-06-18
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
2015-06-17
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
2015-06-16
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
2015-06-15
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
2015-06-13
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
2015-06-12
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
2015-06-11
18:01
Merge recent trunk enhancements and fixes. check-in: c39cb0e2 user: drh tags: sessions
17:58
Merge trunk fixes. Leaf check-in: 1df8cbbe user: drh tags: view-optimization
17:26
Add the sqlite3changegroup_xxx() APIs to the sessions module. For combining multiple changesets or patchsets. check-in: 0c1a901c user: dan tags: sessions
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
2015-06-10
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
20:00
Merge enhancements from trunk. check-in: 0e23a079 user: drh tags: view-optimization
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
17:20
Resolve FROM-clause subqueries after query planning instead of before. Greatly reduce the estimated cost of automatic indexes for VIEWs and ephemeral tables since performance problems there cannot be mitigated via a CREATE INDEX. check-in: a1eaf171 user: drh tags: view-optimization