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100 check-ins occurring around 2f724cbac9025cea.

2014-08-11
20:26
Simplify the way position lists are copied when merging data. check-in: 9f8d678a user: dan tags: fts5
19:44
Replace the hash table borrowed from fts3. check-in: 617e2fac user: dan tags: fts5
17:51
Modify GetVersionEx Win32 VFS fix for use with the test suite. check-in: fd222176 user: mistachkin tags: trunk
17:41
Further clarification and typo fixes for the previous comment change. check-in: 87ef9e2f user: drh tags: trunk
17:40
Clarify the comment explaining the meaning of the SQLITE_WIN32_GETVERSIONEX macro in the Windows VFS. check-in: 69714287 user: drh tags: trunk
17:38
Fix for #ifdef issue with GetVersionEx in the Win32 VFS. check-in: 1a0d466d user: mistachkin tags: trunk
17:37
Add a few more requirements tests. check-in: b5652439 user: drh tags: trunk
15:54
Updates to evidence marks and requirements. No changes to code. check-in: 62d38308 user: drh tags: trunk
14:21
Fix harmless compiler warnings. check-in: 52b03f04 user: drh tags: trunk
13:53
Changes that will perhaps enable SQLite to work better on VxWorks. check-in: de27c742 user: drh tags: trunk
2014-08-09
18:22
Fix an uninitialized variable causing a problem during fts5 table initialization. check-in: a14fa876 user: dan tags: fts5
18:02
Use multiple memory allocations for a single Fts5Structure object. This is probably less efficient but much easier to get right. check-in: 2821825f user: dan tags: fts5
2014-08-08
18:26
Update requirements marks. No changes to code. check-in: 7556bd9a user: drh tags: trunk
17:49
Improvements to the way the query planner handles sorting costs, so that very large sorting costs do not overwhelm the loop costs. check-in: bdaa6947 user: drh tags: trunk
17:25
Fix a buffer overrun in the previous commit. Closed-Leaf check-in: 43c59c85 user: dan tags: query-planner-fix
16:52
Because SQLite internally calculates query plan costs using a logarithmic scale, very large estimated sorting costs can cause all other estimated costs to be rounded down to zero. In these cases break ties between plans with the same total cost by comparing the costs with sorting excluded. This is an alternative fix for the problem addressed by [2af630c572]. check-in: 299b9570 user: dan tags: query-planner-fix
15:38
The SQLITE_IOERR_BLOCKED extended error code is not longer used, so remove assert() statements and documentation for that error code. Also make other documentation improvements. check-in: 36b7c5ce user: drh tags: trunk
12:51
Reworking the documentation on integer result codes. This is a comment and documentation change only. There are no changes to code. check-in: 54f1df7b user: drh tags: trunk
2014-08-07
20:42
When the estimated sorting cost overwhelms the estimated lookup cost, ensure that lookup costs are still taken into account when selecting a lookup algorithm. check-in: 2af630c5 user: drh tags: trunk
20:37
Clarify the computation of compatible isOrdered by in the plan solver of the query planner. Closed-Leaf check-in: b5e8fd57 user: drh tags: query-planner-fix
20:25
Remove the extraneous debugging printf() from the previous check-in. check-in: 8f04d2c0 user: drh tags: query-planner-fix
18:47
Add "segment promotion" to fts5. This prevents the FTS index from growing indefinitely as data is added and deleted. check-in: ba359d78 user: dan tags: fts5
16:50
Oops! This check-in was on trunk. But it contains a debugging printf(). Original comment: When the estimated cost to do a sort overwhelms the estimated cost to do individual table lookups, make sure that the table lookup costs are still taken into consideration when selecting the lookup algorithm. check-in: ec5d84ba user: drh tags: query-planner-fix
2014-08-06
20:04
Avoid writing delete markers to the oldest segment in an FTS index. check-in: 1baeb1ce user: dan tags: fts5
18:50
A couple more harmless compiler warnings eliminated. check-in: bcf6d775 user: drh tags: trunk
17:49
Fix two more harmless compiler warnings. Make sure the fts3_unicode2.c file is in sync with mkunicode.tcl. check-in: a2a60307 user: drh tags: trunk
16:30
Add support for savepoints to fts5. check-in: 3b19eba0 user: dan tags: fts5
14:36
Fix harmless compiler warnings. In the command-line shell, report if the ".system" command returns a non-zero result. check-in: 1202e977 user: drh tags: trunk
12:00
Merge the second InterlockedCompareExchange() fix from trunk. check-in: 69018967 user: drh tags: sessions
11:58
Fix an obsolete comment in the func.c source file. No changes to code. check-in: 5c6bb57d user: drh tags: trunk
11:57
On the windows VFS, do not try to make InterlockedCompareExchange an overloadable function, since sometimes it is a macro. check-in: ab1a751e user: drh tags: trunk
11:49
Fix an obsolete comment in the func.c source file. No changes to code. check-in: 7a145c94 user: drh tags: sessions
03:16
Merge in the fix for the InterlockedCompareExchange() build issue. check-in: 091aa5f1 user: drh tags: sessions
03:06
In the Win32 VFS, work around InterlockedCompareExchange() being a macro on some platforms (e.g. x64). check-in: 7be244ce user: mistachkin tags: trunk
02:03
Merge all recent changes from trunk. check-in: a353a851 user: drh tags: threads
01:51
Merge 3.8.6 beta changes in from trunk. check-in: b2e01080 user: drh tags: apple-osx
01:25
Merge the latest 3.8.6 beta changes from trunk. check-in: 68a6d5e2 user: drh tags: sessions
01:08
Fix typos in the opcode documentation. Comment changes only. No changes to code. check-in: 717245d4 user: drh tags: trunk
00:29
A simpler fix for ticket [3a88d85f36704eebe1] - one that uses less code. The error message is not quite as good, but as this error has apparently not previously occurred in over 8 years of heavy use, that is not seen as a serious problem. check-in: 0ad1ed8e user: drh tags: trunk
2014-08-05
21:31
Ensure that aggregate functions are not used when evaluating a default value for a table column. Candidate fix for ticket [3a88d85f36704eebe134f7]. check-in: 29ba8128 user: drh tags: trunk
19:35
Use doclist indexes for AND queries as well as phrases. check-in: 5d38e6ed user: dan tags: fts5
19:16
Add the ability to evaluate IN operators as a sequence of comparisons as an alternative to the long-standing algorithm of building a lookup table. Use the new implementation in circumstances where it is likely to be faster, such as when the RHS of the IN changes between successive evaluations. check-in: 95286821 user: drh tags: trunk
19:00
Use doclist-indexes with "ORDER BY rowid ASC" fts5 queries as well. check-in: d028ba65 user: dan tags: fts5
11:04
Rename the internal Schema.flags field to Schema.schemaFlags. check-in: 5ae80b3c user: drh tags: trunk
00:53
Improved VdbeCoverage() macros. A few minor simplifications to generated VDBE code. Closed-Leaf check-in: 01f60027 user: drh tags: IN-operator-improvements
2014-08-04
21:26
Part of the change in the previous check-in was incorrect and can result in an incorrect UPDATE for WITHOUT ROWID tables. This check-in fixes the problem. check-in: ee5f6eae user: drh tags: IN-operator-improvements
20:07
Fix fts5_index.c to use doclist-indexes when possible. Only some cases work so far. check-in: 90b82d3e user: dan tags: fts5
18:50
Further enhancements to IN-operator processing. check-in: 7fdf26da user: drh tags: IN-operator-improvements
16:39
Refinements to the enhanced IN-operator logic. check-in: 92ba2821 user: drh tags: IN-operator-improvements
15:12
Changed my mind: This opcode name changes mere creates unnecessary diff marks between older and newer versions without significantly improving readability. Was: Rename the IsNull opcode to IfNull and rename the NotNull opcode to IfNotNull. Closed-Leaf check-in: 2f724cba user: drh tags: deadend
2014-08-02
21:03
Enhancements to the code generator for the IN operator that result in much faster queries in some cases, for example when the RHS of the IN operator changes for each row of a large table scan. check-in: 436e8842 user: drh tags: IN-operator-improvements
20:49
Start changing things to use doclist indexes as required. code is not activated yet. check-in: b8864da9 user: dan tags: fts5
20:44
Remove (newly) incorrect preprocessor check to fix build on WinRT. check-in: ba782654 user: mistachkin tags: trunk
2014-08-01
21:12
A better comment on the generated code for the NULL-in-RHS-of-IN detection logic. check-in: 9bc1c730 user: drh tags: trunk
21:00
Improved detection and handling of NULL values on the RHS of a IN operator. check-in: 468e7300 user: drh tags: trunk
20:13
Add a special case to the integrity-check code to check that the final integer in a doclist index is as expected. check-in: c9893415 user: dan tags: fts5
19:27
Have the fts5 integrity-check verify that doclist indexes match the contents of the leaf pages that they index. check-in: 37a7d303 user: dan tags: fts5
18:00
Remove an unnecessary OP_Null in the IN-operator logic. Attempt to clarify comments explaining the IN-operator code, though it is not clear that the comments are correct even yet - more work to be done. check-in: c11e55fa user: drh tags: trunk
15:51
Clean up the IN operator code generation logic to make it easier to reason about. In the process, improve code generation to omit some unused OP_Null operations. check-in: 7c6fbcfe user: drh tags: trunk
15:34
The idea of coding IN operator with a short list on the RHS as an OR expression turns out to be helpful. If the list is of length 1 or 2, the OR expression is very slightly faster, but the ephemeral table approach is clearly better for all list lengths greater than 2. Better to keep the code simple. Closed-Leaf check-in: e13175d3 user: drh tags: IN-operator-improvements
14:46
Begin making changes to the IN operator in an attempt to make it run faster and to make the code easier to understand. check-in: ee0fd6aa user: drh tags: IN-operator-improvements
11:16
Add "doclist index" records to the database. These are to make navigating within very large doclists faster. They are not yet used by queries. check-in: 89377421 user: dan tags: fts5
01:40
Enhance the PRAGMA integrity_check command to detect UNIQUE and NOT NULL constraint violations. check-in: 9abcf269 user: drh tags: trunk
2014-07-31
22:59
Refactoring: Change "pIndex->onError!=OE_None" to use a macro: "IsUniqueIndex(pIndex)". Easier to understand that way. check-in: e75b26ee user: drh tags: trunk
20:16
Omit a pointless OP_Null when processing a value-list RHS of an IN operator where the LHS is a rowid. check-in: 1361450a user: drh tags: trunk
18:54
Optimizations to the OS sub-type checking in the Win32 VFS. check-in: 1e5489fa user: mistachkin tags: trunk
18:14
Add a missing call to "test_sqlite3_log" to multiplex.test. check-in: 0708f9df user: dan tags: trunk
17:53
Add a comment explaining why fts5 cannot cache "sorter statements". check-in: e6af3b7a user: dan tags: fts5
17:47
Try to reuse sorter statements in fts5. Does not work due to circular references on VTable object. Leaf check-in: bc14e64b user: dan tags: save_sorter_stmt
17:35
Fix a leaked database handle in pager2.test. check-in: 47457b04 user: dan tags: trunk
15:44
Deactivate the DISTINCT in a SELECT on the right-hand side of an IN operator, since it should not make any difference in the output but dues consume extra memory and CPU time. check-in: f4cb5365 user: drh tags: trunk
11:57
Add further tests for the extension APIs with "ORDER BY rank" queries. check-in: 37a417d2 user: dan tags: fts5
2014-07-30
23:11
Re-integrate the recent changes from the 'winMutex' branch back into the Win32 mutex subsystem. check-in: 5360ecb0 user: mistachkin tags: trunk
21:10
Add three new static mutexes for use by the application. This is a partial import of changes from the threads branch. check-in: 3aad0196 user: drh tags: trunk
20:26
Fix things so that the fts5 extension API works with "ORDER BY rank" queries. check-in: f1b4e1a9 user: dan tags: fts5
19:41
Add hidden column "rank". Currently this always returns the same value as the bm25() function. check-in: 4cc048c3 user: dan tags: fts5
18:47
Add a new sqlite3FaultSim() call to vdbePmaReaderSeek() to facilitate tests of error handling in the sorter. check-in: 655d8cfc user: drh tags: threads
17:21
Mark some invariants in the vdbesort.c logic when SQLITE_MAX_WORKER_THREADS==0. check-in: 721cd965 user: drh tags: threads
15:43
Add the "eForce" parameter to the sqlite3_multiplex_shutdown() entry point in test_multiplex.c. Shutdown is forced if true. Shutdown is not done if there are pending database connections and eForce is false, but an error log entry is made instead. check-in: c7303d01 user: drh tags: trunk
14:57
Merge in the CREATE UNIQUE INDEX fix of ticket [9a6daf340df99ba93c53bcf]. check-in: fa791232 user: drh tags: apple-osx
14:44
Merge recent trunk changes, and especially the fix for the CREATE UNIQUE INDEX problem of ticket [9a6daf340df99ba9]. check-in: 5b50a838 user: drh tags: threads
14:29
Merge the fix for the CREATE UNIQUE INDEX problem into the sessions branch. check-in: 43401ee6 user: drh tags: sessions
13:56
Ensure that the correct number of columns in a UNIQUE index are checked for uniqueness, regardless of whether or not the original table has a ROWID or if the columns are NOT NULL, etc. Ticket [9a6daf340df99ba93c]. check-in: 6b785e92 user: drh tags: trunk
11:49
Merge all recent trunk changes, and especially the R-Tree IN operator fix of ticket [d2889096e7bdeac]. check-in: 654c6c65 user: drh tags: apple-osx
2014-07-29
21:44
Disable an assert that is sometimes generated spuriously. check-in: bd9ee0ea user: mistachkin tags: threads
19:54
Enhancements and updates to the Win32 mutex subsystem. check-in: ca9868cd user: mistachkin tags: trunk
19:00
Update return value checking to conform to the beginthreadex() specs. check-in: 3144a16f user: mistachkin tags: threads
18:53
Add a couple more assert statements. check-in: 4e816db2 user: mistachkin tags: threads
18:46
Fix unreachable branches in the threads.c module. check-in: 3175e366 user: drh tags: threads
18:03
Merge updates from trunk. Closed-Leaf check-in: 08c9a4ea user: mistachkin tags: winMutex
17:22
Fix a harmless compiler warning. check-in: 216d21d0 user: drh tags: threads
16:37
Make the Win32 thread handles are available after the threads exit. check-in: 565c5af7 user: mistachkin tags: threads
15:18
Fix the threads build on Windows when SQLITE_MAX_WORKER_THREADS is greater than 0. check-in: f37db3a0 user: drh tags: threads
14:16
Merge the R-Tree fix and the new SQLITE_TESTCTRL_ISINIT test control from trunk. check-in: b2f7eb3c user: drh tags: threads
14:09
Add the SQLITE_TESTCTRL_ISINIT file control. check-in: 8b651d4d user: drh tags: trunk
12:40
Merge recent trunk changes, and especially the fix for the R-Tree problem described in ticket [d2889096e7bdeac6]. check-in: 8f1beead user: drh tags: sessions
11:54
Have calls to the xFilter() method of rtree virtual tables ensure that cursor is initialized before proceeding. Fix for [d2889096e7bdeac]. check-in: 8cc41b0b user: dan tags: trunk
05:49
Enhancements and updates to the Win32 mutex subsystem. check-in: 18984c32 user: mistachkin tags: winMutex
00:42
Add some asserts to the Win32 mutex subsystem. check-in: e8f2dc5f user: mistachkin tags: threads
00:23
Fix the build on windows. check-in: 2773a5f9 user: drh tags: threads