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7771 Commits

Author SHA1 Message Date
drh
d9e5c4f6ed Refactoring the VFS-SHM methods used by WAL. This version compiles and 
runs non-WAL test cases but crashes and burns on wal.test.

FossilOrigin-Name: 2b00152c1ac0b3735aa6cfab61259ff04d81c701
 2010-05-12 18:01:39 +00:00
drh
eaf52d883a Remove the OP_Variable optimization of check-in [48b77b04935d894] since it 
can lead to malfunctions as described in ticket [26ff0c82d1e90].

FossilOrigin-Name: 7838163d087780a6fb403a17641b96f71baec088
 2010-05-12 13:50:23 +00:00
dan
ed36020daf Remove a branch made redundant by the earlier exclusive-mode changes. 
FossilOrigin-Name: c501b2ede6aad123bef0aa7ce8b356a134eb6d26
 2010-05-12 06:54:31 +00:00
dan
97c1f6c8f2 Have os_unix.c use the suffix "-wal-index" for wal-index files instead of "-wal-inde". 
FossilOrigin-Name: 885e854e7cdc79ecc9d5772d563ddc0f61753ab6
 2010-05-11 16:29:54 +00:00
drh
be5481578a When an attempt to change journal_mode fails due to locks, be sure to 
leave internal structures in a consistent state.

FossilOrigin-Name: cf3d1e0b8a739302cf2848ac3e6eaaae04e6a44c
 2010-05-11 14:00:39 +00:00
dan
5543759b1b Changes so that WAL and exclusive-locking mode work together. 
FossilOrigin-Name: 71e7b1cf9f4cd02a2a9bc8a3e58acd7a7e3c7e60
 2010-05-11 12:19:26 +00:00
shaneh
a10069dd22 Updates for to WAL TCL test scripts to support running on Windows. 
FossilOrigin-Name: 6a5630806c87b0f4e5632c37c357f98effd9608a
 2010-05-11 02:46:16 +00:00
drh
09b1330026 Fix an off-by-one error while constructing the name of the mmap file for 
the wal-index under os_unix.c.

FossilOrigin-Name: 6e3735f72cb7d2f4d16c8f9bc59ff159c75243e5
 2010-05-10 19:51:32 +00:00
dan
7ddccd2aad Merge [96d6eaf4d2] and [40b0a6357b]. 
FossilOrigin-Name: c67756c404669141fa06a1ce3f1efadefa277bc6
 2010-05-10 18:10:17 +00:00
drh
1c5bb4d69c Fix an uninitialized variable in OSX proxy locking. 
FossilOrigin-Name: 96d6eaf4d2be453191b36875811d9556ad0763ed
 2010-05-10 17:29:28 +00:00
dan
bb23aff3df Modify the format of the wal-index to use a hash table to index log file segments. 
FossilOrigin-Name: 40b0a6357b160e04326ab176955a68a1cf3f8b7c
 2010-05-10 14:46:09 +00:00
drh
acd0781892 If an ATTACH command files due to OP_JournalMode but still attaches the 
database, make sure VACUUM still detaches it when done.

FossilOrigin-Name: 6ecdc7ba2b5e79e8b5862fb49cf6c2b99a40659a
 2010-05-10 14:10:57 +00:00
drh
ab9b74443c Enhance the OP_JournalMode opcode with an ignore-errors option and use that 
option the ATTACH command.

FossilOrigin-Name: 0bdea4cfbd7832f2a00c01b93c92ba13d20139ef
 2010-05-10 11:20:05 +00:00
drh
2905f053ef When running a checkpoint while in locking_mode=EXCLUSIVE, be sure to move 
the wal-index lock to UNLOCK from READ prior to promoting to CHECKPOINT.

FossilOrigin-Name: be114bdf9bb98c7287f8cb54340c630b0c412e9d
 2010-05-07 20:34:17 +00:00
drh
e874d9ed79 Change the xShmOpen() method of the VFS to take the database file name as 
its argument, not the WAL file name.  Also fix some unrelated compiler
warnings.

FossilOrigin-Name: a65c2939267ef6acec4e355a207f98f217e263d6
 2010-05-07 20:02:23 +00:00
drh
6a2607a131 Additional tweaks to API documentation. No functional code changes. 
FossilOrigin-Name: e1230782a371f09cd46dacc8ecbc6a0c5baab2d5
 2010-05-07 18:23:24 +00:00
drh
005e19c4c1 Updates to documentation on the C interfaces supporting WAL. No functional 
changes to code.

FossilOrigin-Name: 681ba20cf077e9a0fccd51ed50101ad0f2c67eb3
 2010-05-07 13:57:11 +00:00
dan
c6315a44b2 Fix a recently introduced problem in wal.test. 
FossilOrigin-Name: 79b52d0ff7a7b717bde55b97ff05ad17418bc7d7
 2010-05-07 13:52:42 +00:00
dan
65bddc1223 Change wal.test and walhook.test so that they work with DEFAULT_AUTOVACUUM=1 builds. 
FossilOrigin-Name: 4cde92909c20982f7d4e6b550f55d786df398ccd
 2010-05-07 12:49:22 +00:00
dan
65f2ac58b6 Test another IO error case in wal.c. 
FossilOrigin-Name: 8b3b5ab8fa61ca4ef22c98abaab397707ee74ea3
 2010-05-07 09:43:50 +00:00
dan
998ad21271 Fix a problem with checkpointing large log files created by an external process. 
FossilOrigin-Name: 8f94bde568be52ecc5a976b7a09776ea7b4bb511
 2010-05-07 06:59:08 +00:00
dan
846705021d Since walIndexTryHdr() can no longer encounter any error conditions, change tehe function signature so that it does not return an error code. This removes unreachable branches from other code. 
FossilOrigin-Name: 061a282cc0bf76541ab1f99b351a49d489ff93ec
 2010-05-07 05:46:23 +00:00
drh
2c47d194a2 Another attempt to fix permutations.test so that it excludes WAL tests 
from the journaltest permutation.

FossilOrigin-Name: 58c404429c5af167a82899fc4c736ed7489ed746
 2010-05-07 00:28:41 +00:00
drh
6763e3550d Remove savepoint6.test from the set of tests run by journaltest since 
savepoint6.test uses journal_mode=WAL.

FossilOrigin-Name: 811b45a96bfaa0ef2394b86c06e8f099a07ee9f0
 2010-05-06 22:21:14 +00:00
drh
3ebaee9633 The PRAGMA journal_mode=WAL; command now makes WAL the default journal mode 
for new databases added with ATTACH, so the behavior is consistent with the
other journal modes.

FossilOrigin-Name: c3520460a4a39fc5e981c3033068ffbb422a4af2
 2010-05-06 21:37:22 +00:00
drh
72af0774f9 Make sure to do a clean shutdown of the library upon existing the shell 
in order to remove WAL files.

FossilOrigin-Name: c1762dda00b8bdb7c3247617ac4cb654f1d95cf7
 2010-05-06 20:19:55 +00:00
drh
fb4a626da0 Exclude all WAL tests from the journaltest permutation. 
FossilOrigin-Name: 46c97d7eee9359cd21139a6520633f5d16594ab0
 2010-05-06 19:55:57 +00:00
shaneh
fd06863881 Changes to support SQLITE_OMIT_WAL. 
FossilOrigin-Name: 32a8501d78714cc390eba5f993f329ef3b499878
 2010-05-06 19:20:29 +00:00
drh
08fba00781 Updates to the VFS SHM locking documentation. 
FossilOrigin-Name: 9927ce421090ac20285cf05768b38e1f91826a68
 2010-05-06 19:04:48 +00:00
dan
65be0d8cce Instead of transitioning to RECOVER state from CHECKPOINT when a recovery is required, perform the recovery while holding the CHECKPOINT lock. 
FossilOrigin-Name: bb0b6021e721c2e4f1533ab18381604c6b7b31d5
 2010-05-06 18:48:27 +00:00
dan
5273f58f37 If recovery is run before a checkpoint, change back to a CHECKPOINT lock before performing the actual checkpoint. 
FossilOrigin-Name: dc98ee169cfa43c89f1b36fb1150d4788710fda3
 2010-05-06 18:27:19 +00:00
dan
576bc3294d Only pass -1 as the size parameter to xShmGet when the caller does not care what size mapping is returned. Only call xShmSize when the underlying allocation (not the mapping) should be resized. 
FossilOrigin-Name: 637f51ddf9e4a57e1f171b6d2c6c93152074267e
 2010-05-06 18:04:50 +00:00
dan
b7d53f54ae Fix a bug whereby an old snapshot could be checkpointed (and subsequent transactions discarded) if the last connection to disconnect from a WAL database happended to be holding an out-of-date wal-index header. 
FossilOrigin-Name: d0c0034b0baa83046c1d6b94c886f7039e4e06f5
 2010-05-06 17:28:08 +00:00
drh
6e5b37faef After throwing an error to say that one cannot change into WAL mode within 
a tranactions, do not then go and change into WAL mode.

FossilOrigin-Name: 56a17dae91600a3863903f8d654ed52a0f720caf
 2010-05-06 16:06:38 +00:00
dan
d41a29a653 Further coverage tests. 
FossilOrigin-Name: 98a9713e0030a36ea99a18a12a2e7685c6db72b3
 2010-05-06 15:56:28 +00:00
shaneh
84aab39782 Update configure scripts for WAL support. 
FossilOrigin-Name: 2edc5129f216abec9b13a0ad9b6640606caa9f72
 2010-05-06 15:35:59 +00:00
dan
a861469a07 Add tests to cover a couple of branches in wal.c. 
FossilOrigin-Name: 429f437fb776fc974a6adf791b729e25bea82fef
 2010-05-06 14:42:34 +00:00
dan
c9e4665e7d Unset a tcl variable before reusing it in wal.test. 
FossilOrigin-Name: e83efb232fe8d30714f4c7cffeef80092aea4df7
 2010-05-06 13:36:47 +00:00
dan
ff6dfc73fe Add tests for some lock-contention cases. 
FossilOrigin-Name: f0fcb9c9a67e2bf7bbedbedbc27791b605a21dd1
 2010-05-06 12:15:48 +00:00
drh
e404de05c0 Remove the noop-mutex implementations of mutex_held() and mutex_notheld() 
since they are both unreachable.

FossilOrigin-Name: 6767b62a9a063582889f5ceb42f95eab24c697da
 2010-05-06 11:56:52 +00:00
drh
24e3971197 Add two text files containing pager design notes to the doc/ subfolder. 
FossilOrigin-Name: ed817fc893e7162ae0ff4022591f7e9e3b81d622
 2010-05-06 11:55:56 +00:00
dan
9a6b4e9adb Add test cases to test the libraries handling of corrupt wal-index headers. 
FossilOrigin-Name: 9465b267d420120c050bbe4f143ac824146a9e4a
 2010-05-06 11:32:09 +00:00
dan
8f6097c244 Add tests for handling errors returned by xShm VFS methods. 
FossilOrigin-Name: fbbcacb137e8f5246b88ad09331236aaa1900f60
 2010-05-06 07:43:58 +00:00
drh
5def0843f1 Change the behavior of the sqlite3_wal_hook() callback. It should now return 
SQLITE_OK or an error code and the error code is propagated back up the 
stack.  If a checkpoint is desired, the callback should invoke
sqlite3_wal_callback() itself.

FossilOrigin-Name: 1b14195e05fe5551992a39246ec3bcf6a33bbfac
 2010-05-05 20:00:25 +00:00
drh
ccd13d1f80 Further simplifications to the SHM locking logic. Remove the SQLITE_SHM_QUERY 
option.  Unify the WRITE to READ and RECOVER to READ transitions.

FossilOrigin-Name: e9bfa6e4ce7d1edc6be8b9173ac3b6bfd180632a
 2010-05-05 19:09:49 +00:00
dan
c7991bdf29 Test the handling of errors returned by the xShmXXX() APIs. 
FossilOrigin-Name: 72663123d6be2b194cad7a6057d0f20dd0d9fe05
 2010-05-05 19:04:59 +00:00
drh
5c10f77d52 Do not compare page sizes on source and destination of backup until 
transactions are started and the page sizes are locked.  This is a
fix to check-in [7bd44794c4].

FossilOrigin-Name: ec7157788b16936b4b6e4642107b3c86aa44df24
 2010-05-05 18:46:44 +00:00
drh
4bc79def36 Simplifications to the SHM locking implementation in os_unix.c. 
FossilOrigin-Name: 9de05bfb09e29bafdf5782263330fe8eefcfaba3
 2010-05-05 18:20:07 +00:00
drh
3289c5efc8 Prohibit backup if the destination is using WAL and has a different page 
size from the source.

FossilOrigin-Name: 7bd44794c482beee16c684712545275e2bf63dfa
 2010-05-05 16:23:26 +00:00
dan
1018e90b1e When closing a WAL database, if the exclusive lock on the database file is obtained and the database successfully checkpointed, delete the wal-index file from the file system. 
FossilOrigin-Name: 2ac5d96c8e5831b392d83c86491d9ed8bc9c8db7
 2010-05-05 15:33:05 +00:00