c9d53dbe5a
Fix a problem with calculating the required size of the wal-index when appending frames.
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FossilOrigin-Name: 9526b11130f3ed2f5227386a26263c767214603a
2010-04-30 16:50:00 +00:00
400df2ea70
In the debugging output for SHM-LOCK in os_unix.c, use symbolic names
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for the lock states rather than raw numbers.
FossilOrigin-Name: 2afc33de2b2012d034fb0d2057a5a45e304516ca
2010-04-30 16:48:19 +00:00
43a56b812c
Fix a problem in the previous commit. Both unixShm.lockState and unixShm.readLock should be set to READ when downgrading from a WRITE to a READ lock
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FossilOrigin-Name: 90119fecbce06c8db82194dfd9d5045be29b1cda
2010-04-30 16:41:53 +00:00
78daa5a7d9
Fix a bug whereby upgrading from a READ_FULL to a WRITE lock, and then back to a read lock was dropping all WAL locks.
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FossilOrigin-Name: 55f5af5e174df7a28deeb36faa51138926669897
2010-04-30 16:38:59 +00:00
30c8629e67
Reapply commits [837d82a929] and [c05e7dca17] that were accidentally overwritten.
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FossilOrigin-Name: 598de52700ba13e3228289220a74fc62073c62d4
2010-04-30 16:24:46 +00:00
6ddb4bf938
Add xShmXXX() methods to the test VFS in test_devsym.test.
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FossilOrigin-Name: 1d20342424b452ea96aaf161de1f98f26a9155a0
2010-04-30 16:19:39 +00:00
49156b2b5e
Correctly record the fact that the SHM lock reached PENDING if it did so
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but failed to reach CHECKPOINT.
FossilOrigin-Name: d9250e84ac1fc6590f8670e1d801630650c7846a
2010-04-30 16:12:04 +00:00
d749084ad0
Fix a couple uninitialized variables in the xShmLock method of the unix VFS.
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Improved debugging logic for xShmLock.
FossilOrigin-Name: 69567c5fca9e30b7660e6f56350be929c3890d7e
2010-04-30 15:54:46 +00:00
a7ad518ef0
When closing a WAL connection, attempt an exclusive lock on the database file. If the lock is obtained, checkpoint the database and delete the wal and wal-index files.
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FossilOrigin-Name: c05e7dca172719f33e245c08d0c0e8ab47e5a537
2010-04-30 15:49:27 +00:00
6045461eee
If a reader attempts to upgrade to a writer, but is not reading the most recent database snapshot, return SQLITE_BUSY.
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FossilOrigin-Name: 837d82a92977cbfa0963411daf8160d286a7ed32
2010-04-30 15:24:43 +00:00
5530b764a8
Separate the concepts of underlying storage size and mapped size in the
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VFS shared-memory implementation.
FossilOrigin-Name: 4cbe49f13fed288f94ff305bcfd99df907bf7baf
2010-04-30 14:39:50 +00:00
87bfb51ef8
Add a missing walIndexUnmap() call to the checkpoint code. Change a couple of SQLITE_CANTOPEN constants to SQLITE_CANTOPEN_BKPT.
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FossilOrigin-Name: 1f9e8c5c27ae2c68bc01d8e2bb2c662be7b3f161
2010-04-30 11:43:28 +00:00
1bc6171c23
Fix an assert() in sqlite3WalRead().
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FossilOrigin-Name: 2e7a0050e192dd197d4db92393ab120897c14836
2010-04-30 10:24:54 +00:00
e93808dde2
Add missing mutexes to unixShmClose().
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FossilOrigin-Name: a4741cb54dd5e753d48fd05ac9dbe27ee4aa1ec0
2010-04-30 10:06:09 +00:00
4c97b53425
Fix a couple of assert() statements in os_unix.c and wal.c. Combine sqlite3WalIsDirty() with sqlite3WalUndo().
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FossilOrigin-Name: a8f958be804ee05c4137b3cd110db344713af5f2
2010-04-30 09:52:17 +00:00
ba51590bcd
Add a missing walIndexUnmap() to sqlite3WalSnapshotOpen().
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FossilOrigin-Name: 72b95fde15dae56390dc8d4168fb2757447e289e
2010-04-30 09:32:06 +00:00
5047af405b
Merge latest bugfix into wal branch.
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FossilOrigin-Name: 265e66e6984c32999bf93981e3b1d19887dfe599
2010-04-30 06:02:30 +00:00
79e6c78ccc
The first 6 WAL tests now work. It's a start.
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FossilOrigin-Name: a92c1851da10acf51e7f6f086b8a23bd731940b3
2010-04-30 02:13:26 +00:00
6908343c65
Zero the "immediate FK constraint counter" associated with a statement object when sqlite3_reset() is called. Fix for [c39ff61c43].
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FossilOrigin-Name: f660be615a0c1f4641782a83744533f5d3119218
2010-04-29 22:57:56 +00:00
7ed91f2344
Refactor wal.c to use the VFS. This check-in compiles and links and works
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ok as long as you leave WAL turned off, but WAL does not work.
FossilOrigin-Name: 62db5fa3b61be885b2d94e9b9ce3877b2c588350
2010-04-29 22:34:07 +00:00
31cbbbad1c
Untested implementation of the shared-memory dead-man-switch.
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FossilOrigin-Name: 706611283ea2575c2942543391026b36061cfc1c
2010-04-29 16:40:51 +00:00
7b6944047e
Progress towards a VFS that will support WAL. Locking code is in place
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but is untested. Still no support for the DMS.
FossilOrigin-Name: 1bde41cf081570ad257f927b641e752dff4ed014
2010-04-29 15:17:48 +00:00
31c03907fd
Fix a but in the WAL checkpoint code causing SQLite to use an inconsistent cache in a subsequent transaction.
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FossilOrigin-Name: d1cadeed4eea20d8892726cc8c69f4f3f57d0cd4
2010-04-29 14:51:33 +00:00
f032f5362e
Merge two "wal"
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leaves.
FossilOrigin-Name: 13d2d5a66e9eaa81aa6314354201ee1fbd2b3824
2010-04-28 17:49:57 +00:00
5e0ce87a3f
Change walthread.test so that tests can be run with either multiple threads or multiple processes.
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FossilOrigin-Name: 25f85f68723e56c18e44b094d85f67b99912dc86
2010-04-28 17:48:44 +00:00
9beb1584bd
Changes to the interface design for the xShmLock method of the VFS.
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FossilOrigin-Name: 348409de26eafe12f5cb1236e8e167a4183d4051
2010-04-28 17:21:33 +00:00
833bf968e3
Rename the sqlite3_log_hook() to sqlite3_wal_hook(). Added comments to
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wal.h.
FossilOrigin-Name: bbc385111b19071e20fe963fab814262c815b3e9
2010-04-28 14:42:19 +00:00
4b64c1e365
Merge two "wal" leaves.
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FossilOrigin-Name: 8c2d43babd61fe2225d5c402174253f412604092
2010-04-27 18:49:54 +00:00
8b5444bfae
Fix a problem with identifying a corrupt database in WAL mode.
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FossilOrigin-Name: c8658da44671e9c43c90ee4857bbe82c55d40f25
2010-04-27 14:37:47 +00:00
af75c8695b
Add the xShmRelease() method to the VFS. The os_unix.c implementation of
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the shared memory logic is still non-functional.
FossilOrigin-Name: ed715b47c5f7657fbf901805981867898054b14d
2010-04-27 11:49:27 +00:00
31f98fc8e4
Fix a problem that occurs when one process causes the log-summary file to grow and then a second process attempts to read the database.
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FossilOrigin-Name: b51a5f8bc660616aa264025dd7ad4bdab458814b
2010-04-27 05:42:32 +00:00
29d4beccc0
Merge in recent changes from the trunk
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FossilOrigin-Name: 7a0ac682c3bffcb345321fe97434563350ac90f9
2010-04-27 01:56:21 +00:00
8c6f666b26
Optimization: Convert an ORDER BY clause into a no-op if the query also
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contains a GROUP BY clause that will force the same output order.
FossilOrigin-Name: ca9d86baf70f210d331ce93102177c8005c494cb
2010-04-26 19:17:26 +00:00
e180c296ea
Do not attempt to set journal_mode=wal on :memory: or temp file databases.
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FossilOrigin-Name: 30d0134454734fd9335896372c30a903e9adcc64
2010-04-26 17:42:56 +00:00
93791ea0ba
Change the default_cache_size pragma to always store a positive value.
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FossilOrigin-Name: 36fb2cae75b5dfe1fe818895f03c0b4f4190a722
2010-04-26 17:36:35 +00:00
4cd78b4d89
Fixes for problems with small caches and SAVEPOINT rollback in WAL mode.
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FossilOrigin-Name: 6a944f028d4a070bef29e1fbc6fbef481ebcd34c
2010-04-26 16:57:10 +00:00
cd11fb28c3
Add mutexes to fix a race condition in wal.c. This isn't a very good fix.
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FossilOrigin-Name: 3d159939cc2beb18c4ca0c8e9a99a75d4107e6e4
2010-04-26 10:40:52 +00:00
c438efd68a
Change the names of the log.c and log.h source files to wal.c and wal.h.
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FossilOrigin-Name: 56fe5d7624f840417152bcc63efbe21a5f557920
2010-04-26 00:19:45 +00:00
f2424c521b
Begin moving WAL-specific I/O into the VFS. This checkin contains VFS
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infrastructure but it is untested and is not yet hooked up to the WAL.
The version number is bumped to 3.7.0 because of the VFS extension.
FossilOrigin-Name: f5e615c28c7035a7e6d896790b51cf9bc7371d5f
2010-04-26 00:04:55 +00:00
a4741840f6
Remove an unreachable branch from the function initialization logic.
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FossilOrigin-Name: 064d3ddd6199b7b049b1706974e4295f78fb5ab9
2010-04-25 20:58:37 +00:00
56d95913eb
Add comment explaining checksum mechanism.
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FossilOrigin-Name: 3e9ef5153ebf0543ad0f75a7561f73d22171da53
2010-04-24 19:07:29 +00:00
74d6cd887f
Fix bugs in WAL mode rollback.
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FossilOrigin-Name: 31215969f59be536fe87431bb9fbfa7d13027e35
2010-04-24 18:44:05 +00:00
9de7943783
Merge with [0291ed974d].
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Merge with [0291ed974d].
Merge with [0291ed974d].
FossilOrigin-Name: a352f6285e33a806fbe4475e720e763fdc5bb47d
2010-04-24 14:33:08 +00:00
545f587fc8
When commands such as ALTER TABLE and VACUUM use SQL internally, make sure
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they use only the built-in functions and not application-defined overrides
for those functions.
FossilOrigin-Name: 0291ed974d5bf1e344e2c38422530cc961b897da
2010-04-24 14:02:59 +00:00
4f08d4b848
Merge with [e79dac3c2f].
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FossilOrigin-Name: 1e793d3a6d46ec5d744e077b10362e7cfa118eef
2010-04-24 04:53:15 +00:00
ff207012e6
Reserve some space at the start of the log-summary file to apply locks to.
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FossilOrigin-Name: a031aa1fa01f062b087154833738f011f7bc4eb5
2010-04-24 04:49:15 +00:00
3306c4a945
Fixes and tests for backup of a WAL database.
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FossilOrigin-Name: 480d12db4c0ebcc37598f7620d39193875eab15b
2010-04-23 19:15:00 +00:00
9a6e897328
Merge of notify.c changes from experimental.
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Reset stored blocking connection when registered unlock_notify callback is cleared.
FossilOrigin-Name: e79dac3c2f723ed7cc62fcef468f53952711f242
2010-04-23 14:29:04 +00:00
ce4f05f374
Create a version of the log checksummer that works on big-endian platforms. Remove the 512KB size limit on the log-summary.
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FossilOrigin-Name: 5d6d4423d1def39bd2424703120aa985085c3f8e
2010-04-22 19:14:13 +00:00
ede6eb8d1d
Further tests and changes related to switching between WAL and rollback modes.
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FossilOrigin-Name: 1236318477787a612f02cc98caf2931bd2e99d94
2010-04-22 06:27:04 +00:00
dan