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100 check-ins occurring around 9c6b38b9a96c1.

2017-11-28
08:08
Merge latest trunk changes, including the SQLITE_ENABLE_MULTITHREADED_CHECKS feature, into this branch. check-in: 1fd10349 user: dan tags: apple-osx
07:52
Add experimental feature to detect threading bugs in apps that use SQLITE_CONFIG_MULTITHREADED. Enabled at compile time using SQLITE_ENABLE_MULTITHREADED_CHECKS. check-in: 40b598c8 user: dan tags: trunk
07:47
Use a symbolic constant instead of a literal (-1) to identify a warn-on-contention mutex. Closed-Leaf check-in: 12a23c0a user: dan tags: multithreaded-checks
02:47
Add the "PRAGMA table_ipk(TABLE)" command for evaluation purposes. Leaf check-in: 2494132a user: drh tags: pragma-table-ipk
00:52
Update tests to deal with SQLITE_FAST_SECURE_DELETE. check-in: e6b89304 user: drh tags: trunk
2017-11-27
17:56
Fix a faulty NEVER assert() that could fail for SQLITE_ENABLE_STAT4 builds that use foreign keys. check-in: 465350e5 user: dan tags: trunk
2017-11-26
02:14
Fix an CSV output quoting problem in the command-line shell on Windows. check-in: 6500cdbd user: drh tags: trunk
2017-11-25
21:09
Fix builds with both SQLITE_ENABLE_MULTITHREADED_CHECKS and SQLITE_THREADSAFE=0 defined. check-in: 7d0b12fc user: dan tags: multithreaded-checks
17:51
Add experimental feature to detect threading bugs in apps that use SQLITE_CONFIG_MULTITHREADED. Enabled at compile time using SQLITE_ENABLE_MULTITHREADED_CHECKS. check-in: a66886ac user: dan tags: multithreaded-checks
2017-11-24
19:24
Add the "^" syntax from fts3/4 to fts5. check-in: 24d7058e user: dan tags: trunk
16:55
Enhance the configure script to detect zLib. check-in: e3b6e220 user: drh tags: trunk
2017-11-23
04:45
Fix a problem in the omit-table-from-left-join optimization from check-in [0cd82ee9a8413cf] that was discovered by OSSFuzz. check-in: b016c28f user: drh tags: trunk
00:45
Completely disable the skip-ahead-distinct optimization for all but the inner-most loop of a DISTINCT join. Fix for ticket [ef9318757b152e3a26e9592] check-in: b7595cf2 user: drh tags: trunk
2017-11-21
23:47
An experimental optimization to DISTINCT that causes an immediate exit of the inner loop of a join following each output row if the inner loop does not contribute any columns to the result set. Leaf check-in: a33f88ac user: drh tags: distinct-early-out
23:38
Fix the skip-ahead-distinct optimization on joins for cases there the table in the inner loop of the join does not contribute any columns to the result set. Proposed fix for ticket [ef9318757b152e3a2] check-in: 2dcef5a9 user: drh tags: trunk
21:15
Fix typo in the Makefiles for MSVC. check-in: 17dd2f73 user: mistachkin tags: trunk
21:14
Fix compilation issue (C99-ism) in the shell seen with MSVC. check-in: 9cb47430 user: mistachkin tags: trunk
20:53
Update the omit-table-from-left-join optimization so that it can omit tables from the middle of the join as well as the end. check-in: 0cd82ee9 user: dan tags: trunk
19:22
Update the omit-table-from-left-join optimization so that it can omit tables from the middle of the join as well as the end. Closed-Leaf check-in: 618ca9fe user: dan tags: left-join-optimization
2017-11-20
15:46
Fix a problem preventing the planner from identifying scans that visit at most one row in cases where that property is guaranteed by a unique, not-null, non-IPK column that is the leftmost in its table. check-in: 7fdb1e2a user: dan tags: trunk
15:45
Fix a typo in a test script on this branch. Closed-Leaf check-in: bff5dcfd user: dan tags: left-join-omit-fix
14:40
Fix a problem preventing the planner from identifying scans that visit at most one row in cases where that property is guaranteed by a unique, not-null, non-IPK column that is the leftmost in its table. check-in: 299d7ca5 user: dan tags: left-join-omit-fix
2017-11-18
18:07
Enhance the log messages produced in some cases if database corruption is encountered by an SQLITE_DEBUG build. check-in: ee840a76 user: dan tags: trunk
17:30
Enhance the log messages produced in some cases if database corruption is encountered by an SQLITE_DEBUG build. Closed-Leaf check-in: 23a31280 user: dan tags: sqlite-corrupt-page
2017-11-17
21:01
Improved fix for ticket [da78413751863] that does not require disabling the query flattener as was done in [005d5b870625]. This also makes the code generator for vector IN operators a little easier to understand. check-in: 723f1be3 user: drh tags: trunk
20:22
Add missing entry for SQLITE_IOERR_VNODE to the switch statement in sqlite3ErrName(). check-in: e2b3e335 user: dan tags: apple-osx
20:16
Add an 'extern "C"' wrapper to sqlite3_private.h. check-in: 97ab1efe user: dan tags: apple-osx
20:10
Merge test script fixes from trunk into this branch. check-in: 32f5f461 user: dan tags: apple-osx
20:07
Add some missing "finish_test" lines to the end of test scripts. check-in: c21406ab user: dan tags: trunk
17:32
New assert() statements in the rowvalue IN expression processing. check-in: 00c32831 user: drh tags: trunk
15:02
Clarification of comments on sqlite3FindInIndex(). No changes to code. check-in: 071cabd2 user: drh tags: trunk
13:23
Merge latest changes from trunk, including the temporary db/ATTACH/master-journal fix. check-in: 162c7543 user: dan tags: apple-osx
13:21
Do not count temporary databases that have been attached using ATTACH when figuring out if a master-journal file is required by a transaction. check-in: 93e012a3 user: dan tags: trunk
08:20
Avoid creating a master journal if all or all but one of the databases in the transaction is a temp file. Closed-Leaf check-in: 355d1232 user: dan tags: master-journal-temp-files
2017-11-16
20:48
In the LSM extension, ensure that empty space on pages is zeroed before they are written to disk. This helps with compressed databases, and stops valgrind complaining about uninitialized bytes and write(). check-in: 5ffec5db user: dan tags: trunk
19:17
Merge the latest changes, and the stmtvtab1.test fix, from trunk. check-in: 85247880 user: drh tags: apple-osx
19:04
Add a missing "finish_test" to the end of the stmtvtab1.test script. check-in: e0b5c058 user: drh tags: trunk
2017-11-15
19:14
Futher improvements to the .testctrl interface in the shell. check-in: 1ca3b8cc user: drh tags: trunk
17:07
UI improvements on the .testctrl dot-command in the shell. check-in: 5d66219c user: drh tags: trunk
16:29
Merge all the latest changes from trunk. Leaf check-in: 1a1a73b8 user: drh tags: appendvfs
2017-11-14
23:48
In the parse tree, combine LIMIT and OFFSET into a single expression rooted on a TK_LIMIT node, for a small code size reduction and performance increase, and a reduction in code complexity. check-in: 3925facd user: drh tags: trunk
21:06
Fix a typo that prevented successful builds on macs. check-in: adf83060 user: drh tags: apple-osx
20:36
Merge the patch that enables reading a read-only WAL-mode database, without any special query parameters, as long as the -shm and -wal files are on disk. check-in: 8c2a769c user: drh tags: apple-osx
20:06
Merge changes from trunk. This fixes the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. Leaf check-in: d90e5f34 user: dan tags: begin-concurrent
20:00
Merge all changes from trunk prior to the read-only WAL enhancement. check-in: 1754faef user: drh tags: apple-osx
19:34
Add the ability to read from read-only WAL-mode database files as long as the -wal and -shm files are present on disk. check-in: 00ec95fc user: drh tags: trunk
18:26
Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. This is a modified cherrypick of [dae4a97a]. Leaf check-in: b2679d3b user: dan tags: branch-3.8.9
17:06
Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. check-in: dae4a97a user: dan tags: trunk
03:42
Improvement to a comment. No changes to code. Closed-Leaf check-in: 486949fc user: drh tags: readonly-wal-recovery
2017-11-13
05:51
Remove some branches in walTryBeginRead() that were added by check-in [ce5d13c2de] but became unreachable with the addition of logic in check-in [18b26843] that enabled read-only clients to parse the WAL file into a heap-memory WAL-index, thus guaranteeing that the WAL-index header is always available. check-in: 9c6b38b9 user: drh tags: readonly-wal-recovery
2017-11-11
20:11
In wal.c: improved comments, new assert() and testcase() macros, and replace some magic numbers with appropriate symbolic constants. check-in: 13ec8a77 user: drh tags: readonly-wal-recovery
13:30
Further comment improvements in wal.c. No code changes. check-in: 34638800 user: drh tags: readonly-wal-recovery
2017-11-10
20:13
Omit some extra code from non-SQLITE_ENABLE_UPDATE_DELETE_LIMIT builds. Closed-Leaf check-in: 72be33f9 user: dan tags: update-delete-limit-fix
20:00
Improved comments and variable names in the read-only WAL logic. check-in: d3c25740 user: drh tags: readonly-wal-recovery
17:47
Add further tests for the code on this branch. check-in: f8c4e33f user: dan tags: update-delete-limit-fix
16:14
Fix a problem involving "DELETE/UPDATE...LIMIT" statements that use an INDEXED BY clause. check-in: 09f94c2c user: dan tags: update-delete-limit-fix
15:42
Fix a problem with (DELETE...LIMIT) statements against WITHOUT ROWID tables with a single column PK. check-in: 35477a3d user: dan tags: update-delete-limit-fix
12:41
Fix harmless compiler warning seen with MSVC. check-in: 3711ef23 user: mistachkin tags: trunk
2017-11-09
23:24
Avoid superfluous SHM unlock call in the Win32 VFS. check-in: 5a384be6 user: mistachkin tags: readonly-wal-recovery
22:25
Cleanup superfluous whitespace changes. check-in: a2908e2c user: mistachkin tags: readonly-wal-recovery
22:23
Revise and vastly simplify the Win32 SHM file locking semantics, allowing all new tests to pass. check-in: d0997b0f user: mistachkin tags: readonly-wal-recovery
20:37
Add an assert() in the Win32 VFS. check-in: 22e58330 user: mistachkin tags: readonly-wal-recovery
20:34
Enhance walro2.test to better ensure that readonly_shm clients are not using invalid *-shm files. check-in: ff630b66 user: dan tags: readonly-wal-recovery
20:02
Get read-only SHM file tests passing on Win32. check-in: abef0535 user: mistachkin tags: readonly-wal-recovery
19:53
Add SQLITE_ENABLE_UPDATE_DELETE_LIMIT for views and WITHOUT ROWID tables. check-in: 584b88aa user: dan tags: update-delete-limit-fix
18:53
Further corrections to read-only SHM file handling on Win32. check-in: 43c31170 user: mistachkin tags: readonly-wal-recovery
18:21
Corrections to Win32 lock detection for SHM files. check-in: 3a91be97 user: mistachkin tags: readonly-wal-recovery
17:29
Corrections to the Win32 porting changes on this branch. check-in: 0b26a5a2 user: mistachkin tags: readonly-wal-recovery
17:29
Make it possible to use OSTRACE for multi-process testing. check-in: 0a7d416c user: mistachkin tags: readonly-wal-recovery
16:30
Initial work on porting the changes on this branch to Win32. check-in: 3738bfd0 user: mistachkin tags: readonly-wal-recovery
04:13
Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID tables. This is a temporary fix for ticket [d4beea1633f1b88f] until a better solution can be found. check-in: 30aa941f user: drh tags: branch-3.8.9
03:55
Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID tables. This is a temporary fix for ticket [d4beea1633f1b88f] until a better solution can be found. check-in: 62fe56b5 user: drh tags: trunk
2017-11-08
19:26
Extra comments on the sqlite3OsShmMap() call in walBeginUnlocked(). No changes to code. check-in: 033ee92b user: drh tags: readonly-wal-recovery
17:51
Turns out that SQLITE_READONLY_CANTLOCK is an historical name that must be preserved. So make a new SQLITE_READLOCK_CANTINIT name instead. check-in: 04974a8b user: drh tags: readonly-wal-recovery
17:32
Change the name of SQLITE_READONLY_CANTLOCK to SQLITE_READONLY_CANTINIT. check-in: 6d7f94fa user: drh tags: readonly-wal-recovery
11:14
Fix a problem causing LSM to add unnecessary padding to empty segments in compressed databases. check-in: 1bc2d046 user: dan tags: trunk
02:50
Improved comments used for documentation of sqlite3_vfs. No changes to code. check-in: db8f22d0 user: drh tags: trunk
2017-11-07
21:25
Update an assert in wal.c. check-in: 94527b89 user: dan tags: readonly-wal-recovery
21:15
Handle the race condition that may occur if another process connects and then checkpoints and truncates the wal file while a readonly-shm client is building its heap-memory wal-index. check-in: 5a6703fc user: dan tags: readonly-wal-recovery
19:02
Fix handling of partial indexes in checkindex.c (sqlite3_checker). check-in: 31932a9e user: dan tags: trunk
18:20
Fix a problem causing an INDEXED BY specifying an unusable partial index to be mishandled. check-in: 292a0408 user: dan tags: trunk
16:54
Add the --trace option to the sqlite3_checker utility program. check-in: dc217b7c user: drh tags: trunk
16:23
Enhance the checkindex.c virtual table so that it will output the index_name and after_key parameters. Also add a new diagnostic output column named scanner_sql which shows the SQL statement used to implement the current index scan. check-in: 32e2520c user: drh tags: trunk
15:43
On unix, if the *-shm file cannot be opened for read/write access, open it read-only and proceed as if the readonly_shm=1 URI option were specified. check-in: ba718754 user: dan tags: readonly-wal-recovery
09:08
Add fault-injection tests for the code on this branch. check-in: a7d949fb user: dan tags: readonly-wal-recovery
2017-11-06
20:02
Merge latest trunk changes into this branch. check-in: 7f217eda user: dan tags: begin-concurrent
19:49
Add further test cases for the new code on this branch. And a couple of fixes. check-in: 71af9acb user: dan tags: readonly-wal-recovery
10:04
Allow "BEGIN CONCURRENT" transactions to modify the temp schema. check-in: 0fb6d91c user: dan tags: begin-concurrent
09:34
Fix a harmless compiler warning from Xcode 9.1. check-in: 66d98310 user: drh tags: trunk
2017-11-04
21:06
Add further tests for the code added on this branch. check-in: a6716fcd user: dan tags: readonly-wal-recovery
18:10
In cases where a readonly_shm client cannot take the DMS lock on the *-shm file, have it parse the wal file and create a wal-index to access it in heap memory. check-in: 18b26843 user: dan tags: readonly-wal-recovery
08:53
Fix an LSM problem with read-only connections and compression (not compression-factory) callbacks. check-in: 51ee5188 user: dan tags: trunk
2017-11-03
19:34
Fix some comments in new code on this branch. No changes to code. Leaf check-in: cbec1bfe user: dan tags: fcntl_shm_read
17:51
Merge latest trunk changes with this branch. check-in: 585e0a09 user: dan tags: fcntl_shm_read
17:17
Allow readonly_shm connections to access the *-shm file using read() even if it is unable to take a DMS lock. check-in: 9b0d5c4f user: dan tags: fcntl_shm_read
08:46
The extensions functions in spellfix are all deterministic. check-in: 29ec855e user: drh tags: trunk
06:45
Fix harmless compiler warnings. check-in: d088c5a3 user: mistachkin tags: trunk
2017-11-02
18:57
Fix test cases in wal2.test broken by the locking change in the previous commit. check-in: f569c351 user: dan tags: readonly-wal-recovery
11:12
Avoid locking shm-lock WAL_READ_LOCK(0) during recovery. Doing this allows recovery to proceed while a readonly_shm connection in unlocked mode has an ongoing read transaction. check-in: 5190d84a user: dan tags: readonly-wal-recovery
2017-11-01
20:59
If a readonly_shm connection cannot map the *-shm file because no other process is holding the DMS lock, have it read from the database file only, ignoring any content in the wal file. check-in: ce5d13c2 user: dan tags: readonly-wal-recovery