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100 descendants of 8079421604dbd40d

2017-08-15
01:07
Fix a problem allowing a conflicting transaction to be committed in the case where more than one 32KB shared-memory page has been written to since the transaction was started. (check-in: 346a710d user: drh tags: begin-concurrent-branch-3.19)
2017-08-12
14:06
Add a more rigorous test case for the bug fixed by the previous commit on this branch. (check-in: 42560723 user: dan tags: begin-concurrent)
2017-08-11
21:16
Fix a problem allowing a conflicting transaction to be committed in the case where more than one 32KB shared-memory page has been written to since the transaction was started. (check-in: 38dd9b50 user: dan tags: begin-concurrent)
20:22
Add another PAGERTRACE() macro to show when pages are added to Pager.pAllRead. No impact on production builds. (check-in: 11054cf5 user: drh tags: begin-concurrent)
19:31
Add a PAGERTRACE() macro to log when frames are written into the WAL file. This is for analysis only and is a no-op for production builds. (check-in: 39f39e3d user: drh tags: begin-concurrent)
19:16
Merge the latest enhancements from trunk. (check-in: 47e71695 user: drh tags: begin-concurrent)
2017-08-01
13:54
Merge recent enhancements from trunk. (check-in: aafe1fec user: drh tags: begin-concurrent)
2017-07-20
19:28
Minor fix to the concurrent.test module so that it works on windows. (check-in: 58553d61 user: drh tags: begin-concurrent)
19:08
Fix compiler warnings. (check-in: 44c760d1 user: drh tags: begin-concurrent)
18:56
Fix a faulty #ifdef on the previous check-in (check-in: 7355e742 user: drh tags: begin-concurrent)
18:28
Get the build working with SQLITE_OMIT_CONCURRENT. (check-in: a29401e9 user: drh tags: begin-concurrent)
17:47
Merge all the latest trunk enhancements. (check-in: 213c61cb user: drh tags: begin-concurrent)
2017-06-10
17:23
Remove sqlite3_log() and abort() calls added to this branch to debug the pointer-map problem ([fda22108]). (check-in: 79544fc2 user: dan tags: begin-concurrent)
2017-06-08
16:23
Update the recent auto-vacuum fix so that it works for the in-memory pointer-map structure used by this branch. (check-in: 8e311a6d user: dan tags: begin-concurrent)
16:10
Merge 3.19.3 changes with this branch. (check-in: e2d38d51 user: dan tags: begin-concurrent)
15:54
Merge changes for version 3.19.0 with this branch. (check-in: 0f59bb94 user: dan tags: begin-concurrent)
2017-06-02
09:31
Extend even further the logging designed to find problems in the pointer-map structure. Call abort() to dump a core as soon as such a problem is seen. (check-in: f131677d user: dan tags: begin-concurrent)
2017-05-31
17:06
Generate extra log messages in response to irregularites in the pointer-map used by "BEGIN CONCURRENT" transactions. (check-in: f7e3e2bc user: dan tags: begin-concurrent)
2017-05-29
19:23
Instead of a root page number, log the object (table or index) name if a page level locking conflict is detected. (check-in: 9ad846e5 user: dan tags: begin-concurrent)
14:27
Enhance the log messages emitted when a page conflict is detected. (check-in: 92618492 user: dan tags: begin-concurrent)
2017-05-26
18:18
Adjust the bitvec related sqlite3_log messages added by [9527089b]. (check-in: a7e0e7a4 user: dan tags: begin-concurrent)
16:51
Add extra test cases for deferred page allocation. (check-in: 9df01957 user: dan tags: begin-concurrent)
16:15
Fix a problem with deferred page allocation in transactions that revert page allocations by savepoint rollbacks. (check-in: a4a3bbe6 user: dan tags: begin-concurrent)
2017-05-25
21:02
Fix a problem with the deferred page allocation on this branch that could occur when the database file is just slightly smaller than the PENDING_BYTE page offset. (check-in: 47a7dd92 user: dan tags: begin-concurrent)
2017-05-23
19:23
Add experimental new API sqlite3_wal_info(). (check-in: 5b9d498f user: dan tags: begin-concurrent)
2017-05-19
19:57
Invoke sqlite3_log() in response to irregularities surrounding the Pager.pAllRead bit-vector. (check-in: 9527089b user: dan tags: begin-concurrent)
2017-05-18
20:47
Fix a problem on this branch causing some page-level read-locks to be omitted. (check-in: 0eed1521 user: dan tags: begin-concurrent)
2017-05-15
17:34
Merge the latest changes from trunk. (check-in: 14ea8400 user: drh tags: begin-concurrent)
2017-03-30
20:35
Merge changes from the 3.18.0 release. (check-in: 785c37d9 user: drh tags: begin-concurrent)
2017-03-24
15:09
Merge all recent enhancements from trunk. (check-in: fd5676fe user: drh tags: begin-concurrent)
2017-01-09
07:00
Merge the "changebatch" functionality into this branch. (check-in: 50fb1eb3 user: dan tags: begin-concurrent)
06:53
Disable the optimization from [8cb8516d] (omit TableLock instructions for non-sharable databases) on this branch. This branch uses the TableLock instructions to ensure that the db schema is not written from within a BEGIN CONCURRENT transaction. (check-in: c8ca3e0a user: dan tags: begin-concurrent)
06:33
Upgrade this branch to 3.16 plus the various fixes that appeared after its release. (check-in: d0e212d0 user: dan tags: begin-concurrent)
2016-08-11
19:12
Merge version 3.14 plus some subsequent patches (including the page-cache performance patch) from trunk. (check-in: d9f8918c user: drh tags: begin-concurrent)
2016-07-06
08:32
Fix a typo in test program bc_test1.c. (check-in: 2c61b7ab user: dan tags: begin-concurrent)
2016-05-30
05:45
Minor tweaks to the bc_test1 test program. (check-in: d0d0bab4 user: dan tags: begin-concurrent)
2016-05-26
20:52
Add further instrumentation to the bc_test1.c test app. (check-in: 5528de4a user: dan tags: begin-concurrent)
2016-05-21
18:50
Use pthreads mutexes and conditions to synchronize threads in bc_test1. (check-in: f33aa76f user: dan tags: begin-concurrent)
2016-05-07
18:02
Add options to bc_test1.c to make it more flexible. (check-in: ec6ef5f2 user: dan tags: begin-concurrent)
2016-05-06
21:04
Add test/bc_test1.c, for testing the degree of concurrency provided by this branch under various conditions. (check-in: 128c7eae user: dan tags: begin-concurrent)
2016-04-29
16:01
Merge the latest enhancements from trunk. (check-in: 91e5c07e user: drh tags: begin-concurrent)
2016-04-20
12:16
Merge all recent enhancements from trunk. (check-in: 1f709fbf user: drh tags: begin-concurrent)
2016-03-29
10:36
Merge 3.12.0 changes. (check-in: d7381eff user: drh tags: begin-concurrent)
2016-03-21
15:54
Merge all recent changes from trunk. (check-in: 8ee7d346 user: drh tags: begin-concurrent)
2016-03-16
19:34
Merge the latest enhancements from trunk. (check-in: a7978ab6 user: drh tags: begin-concurrent)
2016-02-15
17:44
Merge version 3.11.0 (check-in: c393ddc7 user: drh tags: begin-concurrent)
2016-02-05
14:34
Merge PRAGMA synchronous=EXTRA and OOM performance enhancements from trunk. (check-in: 332c8036 user: drh tags: begin-concurrent)
2016-02-02
02:53
Merge recent enhancements from trunk. (check-in: 347f6a80 user: drh tags: begin-concurrent)
2016-01-20
12:18
Merge recent enhancements from trunk. (check-in: 5520f600 user: drh tags: begin-concurrent)
2016-01-14
15:46
Merge the latest enhancements and fixes from trunk. (check-in: fccc5f20 user: dan tags: begin-concurrent)
2016-01-06
15:49
Merge changes for version 3.10.0. (check-in: e1d2ffc0 user: drh tags: begin-concurrent)
2016-01-01
14:14
Merge recent trunk enhancements. (check-in: 6bea792c user: drh tags: begin-concurrent)
2015-12-16
19:55
Merge recent enhancements from trunk. (check-in: cb22efaf user: drh tags: begin-concurrent)
2015-12-02
20:53
Merge recent enhancements from trunk. (check-in: 9130661a user: drh tags: begin-concurrent)
2015-11-20
13:49
Merge all the latest enhancements and fixes from trunk. (check-in: 41c8b8e3 user: drh tags: begin-concurrent)
2015-10-30
17:17
Merge the sqlite3_db_cacheflush() enhancements and other changes from trunk. (check-in: f2cde4cf user: drh tags: begin-concurrent)
2015-10-16
20:55
Merge the 3.9.1 updates from trunk. (check-in: bf866e6c user: drh tags: begin-concurrent)
2015-10-15
07:44
Merge in the 3.9.0 changes from trunk. (check-in: 5c3a2a6e user: drh tags: begin-concurrent)
2015-09-24
15:17
Merge all recent trunk enhancements and fixes into the begin-concurrent branch. (check-in: c63c1e15 user: drh tags: begin-concurrent)
2015-09-15
19:16
Merge enhancements from trunk. (check-in: fc4d1de8 user: drh tags: begin-concurrent)
2015-09-07
20:22
Merge parser enhancements and other improvements and bug fixes from trunk. (check-in: 9cf3e51b user: drh tags: begin-concurrent)
2015-09-04
17:22
Merge the latest trunk changes, and especially the fix for allowing strings as identifiers in CREATE INDEX statements. (check-in: a9b84885 user: drh tags: begin-concurrent)
16:39
Remove the EXCLUSIVE and CONCURRENT tokens from the tokenizer. Let the BEGIN statement be followed by an ID, but throw a syntax error if the ID is anything other than EXCLUSIVE or CONCURRENT. (check-in: c0bf92ec user: drh tags: begin-concurrent)
2015-09-03
20:52
Merge performance enhancements from trunk. This branch now runs (slightly) faster than the 3.8.11.1 release, though still slightly slower than trunk. (check-in: c490bfb1 user: drh tags: begin-concurrent)
15:17
Changes from ENABLE_CONCURRENT (default off) to OMIT_CONCURRENT (default on). This is not a clear-cut decision and might be changed back. (check-in: f8ae9bfd user: drh tags: begin-concurrent)
14:04
Merge trunk optimizations. (check-in: 71e7299e user: drh tags: begin-concurrent)
2015-09-01
18:01
Merge the latest trunk enhancements. (check-in: 3dea0474 user: drh tags: begin-concurrent)
17:48
Fixes so that it builds without warnings both with and without SQLITE_ENABLE_CONCURRENT. (check-in: 5ed2a445 user: drh tags: begin-concurrent)
2015-08-28
09:27
Merge latest trunk changes with this branch. (check-in: 57bc0194 user: dan tags: begin-concurrent)
2015-08-27
19:57
Add header comments for new methods in pager.c. (check-in: 437c7e21 user: dan tags: begin-concurrent)
19:22
Add test cases for concurrent transactions and long-lived SELECT statements. (check-in: fd4798cb user: dan tags: begin-concurrent)
17:42
Fix a problem whereby concurrent transactions would not consider pages read by the transaction before the first write statement. (check-in: fc17f731 user: dan tags: begin-concurrent)
2015-08-26
18:54
Fix an assert() in pager.c that could fail in a concurrent transaction. (check-in: 69394dda user: dan tags: begin-concurrent)
18:02
Fix a problem allowing some conflicting transactions to be committed. (check-in: a0566382 user: dan tags: begin-concurrent)
2015-08-25
19:10
Add miscellaneous test cases for concurrent transactions. (check-in: 779b1d0e user: dan tags: begin-concurrent)
17:16
If "PRAGMA integrity_check" is run while the database is being written by a CONCURRENT transaction, do not consider unreferenced pages to be an error. They may be part of the free-page list, which is not visible at the b-tree layer when running a CONCURRENT transaction. (check-in: f32b57b4 user: dan tags: begin-concurrent)
16:01
Test that if a corrupt wal-index header is encountered when attempting to commit a concurrent transaction, SQLITE_BUSY_SNAPSHOT is returned to the caller. (check-in: c746e0bd user: dan tags: begin-concurrent)
14:37
Fix a segfault that could occur following an OOM condition in the concurrent transaction code. (check-in: 231b5880 user: dan tags: begin-concurrent)
11:16
Merge latest trunk changes with this branch. (check-in: 3e7d6dd6 user: dan tags: begin-concurrent)
2015-08-24
22:06
Remove duplicated line of code. (check-in: 47280f2a user: mistachkin tags: begin-concurrent)
19:56
Change "BEGIN UNLOCKED" to "BEGIN CONCURRENT". (check-in: ba1ab858 user: dan tags: begin-concurrent)
19:08
Fix handling of attempts to modify the database schema, application_id or user_version within an UNLOCKED transaction. (check-in: 5b9f2721 user: dan tags: begin-concurrent)
16:00
Fix compilation without SQLITE_ENABLE_UNLOCKED. Also other code organization issues. (check-in: 04113557 user: dan tags: begin-concurrent)
10:05
Consolidate two blocks of similar code in btreeFixUnlocked(). (check-in: 701302b4 user: dan tags: begin-concurrent)
06:44
Merge trunk changes with this branch. (check-in: 876810c2 user: dan tags: begin-concurrent)
06:43
Fix another problem involving unlocked transactions and wal-file restarts. (check-in: 4460764e user: dan tags: begin-concurrent)
2015-08-22
20:32
Fix a problem to do with detecting unlocked transaction conflicts if another client restarts the wal while the transaction is running. (check-in: e3968b25 user: dan tags: begin-concurrent)
17:28
Add further tests for deferred page allocation. And fixes for the same. (check-in: ed0a31be user: dan tags: begin-concurrent)
07:56
Merge further trunk changes. (check-in: c2327a3b user: dan tags: begin-concurrent)
07:55
Merge trunk changes into this branch. (check-in: 9021f736 user: dan tags: begin-concurrent)
2015-08-21
20:11
Fix many minor issues in the unlocked transaction code. (check-in: 53aaeea6 user: dan tags: begin-concurrent)
18:55
When committing an UNLOCKED transaction, try to move pages allocated at the end of the file to free slots within the file (like an incremental-vacuum operation does). (check-in: 06967916 user: dan tags: begin-concurrent)
17:57
Fix a problem with UNLOCKED transactions that free pages allocated within the same transaction. (check-in: 227bb8a1 user: dan tags: begin-concurrent)
16:22
Merge trunk changes with this branch. (check-in: deaf3b18 user: dan tags: begin-concurrent)
14:21
Add extra tests and a fix for rollbacks of UNLOCKED transactions. (check-in: 82cd837e user: dan tags: begin-concurrent)
2015-08-20
20:25
Fix a problem causing corruption when an UNLOCKED transaction is rolled back. (check-in: 7c361478 user: dan tags: begin-concurrent)
2015-08-19
20:27
When committing an unlocked transaction, relocate newly allocated database pages within the file to avoid conflicting with committed transactions. There are lots of things still to fix in this code. (check-in: 3bbc31d5 user: dan tags: begin-concurrent)
2015-08-15
18:16
Handle writes to auto-vacuum databases within UNLOCKED transactions in the same way as for non-UNLOCKED transactions. (check-in: de1ea450 user: dan tags: begin-concurrent)
2015-07-29
12:14
Only allow UNLOCKED transactions to commit if none of the pages read by the transaction have been modified since it was opened. (check-in: 0b971842 user: dan tags: begin-concurrent)
2015-07-28
16:46
Add some test cases and fix some small problems with BEGIN UNLOCKED transactions. (check-in: 6da0e962 user: dan tags: begin-concurrent)
2015-07-27
19:31
Add an experimental "BEGIN UNLOCKED" command. (check-in: 80794216 user: dan tags: begin-concurrent)