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14,933 Commits 1,608 Branches 185 Tags
898f70bc28c4536a3b42c93d7d7aa8f68ca78c8a
Commit Graph

244 Commits

Author SHA1 Message Date
dan
5c472d0860 Fix an assert() enabled by SQLITE_ENABLE_EXPENSIVE_ASSERT in wal.c. 
FossilOrigin-Name: 8d2ed150a7a15626965cf994ef48c3ab61eca6ec
 2015-09-09 19:44:33 +00:00
dan
b8c7cfb834 When searching the wal file for a frame, do not search that part that was already checkpointed when the snapshot being read was at the head of the wal file. 
FossilOrigin-Name: 90760e72327eb0593cbfa6d7058b554198cd8044
 2015-08-13 20:23:46 +00:00
dan
6df003c7a5 Avoid reading frames that have already been checkpointed from the wal file. 
FossilOrigin-Name: 5669ac4a40429abc3f44540fc9d2f3b79b404bdf
 2015-08-12 19:42:08 +00:00
mistachkin
6b67a8ae03 Fix harmless compiler warning in MSVC 2015. 
FossilOrigin-Name: 01c8b9ccfa0f336dfead7c004de3de571753f707
 2015-07-21 19:22:35 +00:00
drh
f6bff3f5d6 Avoid a harmless compiler warning. 
FossilOrigin-Name: 2288842b8f191ff05a157db7f77af867bfa83c4f
 2015-07-17 01:16:10 +00:00
drh
f4fa0b8073 Fix some harmless compiler warnings. 
FossilOrigin-Name: 110cd84f5e842c4dcd9b9398cea211e25f36b3aa
 2015-07-15 18:35:54 +00:00
drh
f3cdcdccbe Use sqlite3_malloc64() in place of sqlite3_malloc() internally. 
FossilOrigin-Name: 48f553b05c05373c0af4b9c3a542979db3a2ee19
 2015-04-29 16:50:28 +00:00
dan
1fe0af200d Add a comment to wal.c to explain why a race condition is safe. 
FossilOrigin-Name: bc33af866403c23d548dd4705675315810d52d7f
 2015-04-13 17:43:43 +00:00
drh
bbf76eec34 Arrange for some of the transient locks in WAL mode to block, as a single 
to the OS to fix priority inversions.

FossilOrigin-Name: c6e6d5f4e06c3ac0bfb620c0c728fbc7230c4a02
 2015-03-10 20:22:35 +00:00
dan
976b003344 Ensure that "PRAGMA wal_checkpoint = TRUNCATE|FULL|RESTART" block on other connections and truncate the database file as required even if the entire wal file has already been checkpointed. 
FossilOrigin-Name: 53429689d4fcf472edbc89cc50b5e69ba3270634
 2015-01-29 19:12:12 +00:00
drh
622a53d54a Reinstate an assert() by adding an "|| CORRUPT_DB" term. 
FossilOrigin-Name: 95ce20348d9b868a0407adccdb222a0e4c762945
 2014-12-29 11:50:39 +00:00
drh
a25165fa68 Add an implementation mark and fix a comment describing the OP_Checkpoint 
opcode.

FossilOrigin-Name: 7475b90c558157802b036162376fceacc1b9ab4a
 2014-12-04 04:50:59 +00:00
drh
dd90d7ee81 Add evidence marks and assert()s used as evidence for checkpoint requirements. 
FossilOrigin-Name: b2da8afc7657266fbe8e683c6e50fe18216cbcf3
 2014-12-03 19:25:41 +00:00
dan
0fe8c1b967 When attempting to restart a wal file, make any required calls to sqlite3_randomness() before waiting on or checking for wal file readers. This restores the behaviour exhibited by the trunk. 
FossilOrigin-Name: 6ee08769f0ffbb3d620c66b89180ece7782dc820
 2014-12-02 19:35:09 +00:00
dan
f26a1549ac Add the SQLITE_CHECKPOINT_TRUNCATE option. 
FossilOrigin-Name: 8e20a43419e46b6b9d1f60ec7ea420bbfb3ef358
 2014-12-02 19:04:54 +00:00
drh
664f85dd59 Add an ALWAYS on an always-true branch in wal.c. 
Fix the ANALYZE command so that it resets the "unordered" and "noskipscan"
flags on indices when reloading the sqlite_stat1 table.

FossilOrigin-Name: 9ed97a85feee6593faefa2b54cc4cf9a60f515f9
 2014-11-19 14:05:41 +00:00
drh
47b7fc7843 Experimental changes that permit read operations to continue after a 
ROLLBACK, as long as the schema is unchanged.

FossilOrigin-Name: fa6e6a9ae276cad60e9a4abc1bc23cf2809ea786
 2014-11-11 01:33:57 +00:00
drh
cbd55b0362 Change the definition of SQLITE_CONFIG_SCRATCH so that at most one scratch 
buffer is used per thread.  Use the generic heap memory allocator for the
WalIterator object when running a checkpoint.

FossilOrigin-Name: 391c9b85abcb5ba300fb2e116384639310c69ed2
 2014-11-04 14:22:27 +00:00
peter.d.reid
60ec914c74 Fix typos in comments. No code changes. 
FossilOrigin-Name: e62aab5e9290503869e1f4d5e0fefd2b4dee0a69
 2014-09-06 16:39:46 +00:00
drh
5b6e3b9781 Increase the WAL-mode SQLITE_PROTOCOL timeout to 10 seconds. 
FossilOrigin-Name: 2aeacf81df92b4fe5d1825c1dc1cd176b8af8bd9
 2014-06-12 17:10:18 +00:00
dan
dd973548f1 Ensure that if the "psow=0" URI option or FCNTL_POWERSAFE_OVERWRITE file-control is used to clear the power-safe overwrite flag, extra padding frames are added to the WAL file. 
FossilOrigin-Name: 48c821fd97a8f03757c90560c37a46bd0843570e
 2014-02-13 19:27:08 +00:00
dan
e5b6ea797e Avoid passing a flags argument with the internal WAL_SYNC_TRANSACTIONS bit set when calling sqlite3OsSync(). 
FossilOrigin-Name: e3b79e920c298a39613631d689d1a2f182d00496
 2014-02-13 18:46:59 +00:00
dan
f73819af05 Add extended error code SQLITE_BUSY_SNAPSHOT - returned in WAL mode when a read-transaction cannot be upgraded to a write-transaction because it is reading from a snapshot other than the most recently committed. 
FossilOrigin-Name: 361c22969aa75340ed696e00e3dc5d17d5493bee
 2013-06-27 11:46:27 +00:00
drh
d040e76442 Add new primary error codes SQLITE_NOTICE and SQLITE_WARNING for use with 
sqlite3_log().  Add new extended error codes SQLITE_NOTICE_RECOVER_WAL and
SQLITE_NOTICE_RECOVER_ROLLBACK to use with sqlite3_log() messages that occur
on each recovery.

FossilOrigin-Name: be7d2c5482c41baf000d7fb5dccc31b974e91064
 2013-04-10 23:48:37 +00:00
dan
f55a4cf80c Ensure that a checkpoint does not use an out-of-date mapping. 
FossilOrigin-Name: a1040f0397d57855500926494c978623286ddc77
 2013-04-01 16:56:41 +00:00
dan
0943f0bdc8 Fix a typo in a log message in wal.c. 
FossilOrigin-Name: 83fc48d16572443373e5de62adbd4cd53c2f7786
 2013-04-01 14:35:01 +00:00
dan
f23da96636 Replace the sqlite3_io_methods.xMremap interface with sqlite3_io_methods.xFetch and xUnfetch. 
FossilOrigin-Name: 1431be95579160fb70408d43e17fc23c7b69ab4a
 2013-03-23 21:00:41 +00:00
dan
e5586a1a79 Improve a comment in wal.c. No code changes. 
FossilOrigin-Name: 60b9f5e4dd2af54975ba78437239f0bebd472fd2
 2013-03-23 17:29:06 +00:00
dan
99bd10979a Allow the database file to be memory mapped in wal mode. 
FossilOrigin-Name: d190ddabc386bc9654b99e33fb81b2f6e67b54d6
 2013-03-22 18:20:14 +00:00
dan
7eb0575287 Fix a failing assert() in wal.c. 
FossilOrigin-Name: 8745530b9a877db77fe2ca3ea9c6bc99ce033055
 2012-10-15 11:28:24 +00:00
dan
c9a5326974 Ensure that the value returned by xSectorSize() is reasonable (currently defined as between 2^5 and 2^16 bytes) before using it to calculate the amount of padding to add to a wal file. 
FossilOrigin-Name: 6b4ff83bff07d427af585c9fd03be90abf2fc82f
 2012-10-01 06:50:55 +00:00
mistachkin
d5578433ff Fix all known instances of 'repeated the' style typos in comments. No changes to code. 
FossilOrigin-Name: 9b19b847533f944f289d93dcdba29c0d67bf251c
 2012-08-25 10:01:29 +00:00
dan
5373b76bdc Ensure that there is always at least one aReadMark slot usable by an unprivileged reader while a checkpoint is running. Also, if one or more transactions are recovered from a log file, initialize one of the aReadMark slots to contain mxFrame as part of the recovery process. 
FossilOrigin-Name: e4163596339c2166f9c4356ab824fff8bda8d0b0
 2012-07-17 14:37:12 +00:00
drh
610b8d8578 Amplification of a comment in wal.c. Change the aReadMark[] processing so 
that one read mark is left at zero when a WAL resets.

FossilOrigin-Name: 8c9ee1d78f99394eef73a177141ca9e1c67e4e07
 2012-07-17 02:56:05 +00:00
dan
f602963dbc Fix spurious errors that may occur if an empty database is opened and then initialized as a WAL database by a second connection. 
FossilOrigin-Name: 16330a2f7262173a32ae48a72c0ee2522b6dc554
 2012-02-28 17:57:34 +00:00
drh
70708600b5 Add #ifdef SQLITE_ENABLE_ZIPVFS around those bits of code that are only 
used by ZIPVFS.

FossilOrigin-Name: 3130275c64a60c5cfacbd11123305e6d99ea866d
 2012-02-24 14:33:28 +00:00
dan
bf24261b7b Fix a typo made inside an assert() statement in the previous commit. 
FossilOrigin-Name: f0640615f25ebe8bf2eed0e1a0f2e309471889fe
 2012-02-23 16:45:42 +00:00
dan
b3bdc72ded Add the sqlite3PagerWalFramesize() function to pager.c. This is used by zipvfs. 
FossilOrigin-Name: 786e24dc56504d1958db0618e645610f2600a087
 2012-02-23 15:35:49 +00:00
drh
c02372ce6f Refactor sqlite3OsFileControlNoFail() into sqlite3FileControlHint(). 
FossilOrigin-Name: 722735a4f316630c907149f08d3d7dccc0facd9a
 2012-01-10 17:59:59 +00:00
dan
6f2f19a154 Add function sqlite3OsFileControlNoFail(), which is the same as sqlite3OsFileControl() except that it does not simulate OOM errors. This saves adding calls to the BenignMalloc() functions around each of the invocations of sqliteOsFileControl() that ignore the return code. 
FossilOrigin-Name: af59b182d797642e5ec3ddf291cf62662a136bd1
 2012-01-10 16:56:39 +00:00
drh
92c45cf0fe Remove the BenignMalloc() from around the call to FCNTL_OVERWRITE. Add 
new ones around sqlite3OsDelete().  Fix an assert that causes problems for
the nx-devkit.

FossilOrigin-Name: 38bc4236d5a9d9f22a525bf9308d90cd4d9ce5a4
 2012-01-10 00:24:59 +00:00
drh
20e226d979 Tweaks to improve testability. 
FossilOrigin-Name: e3a929e43180f41095cc2cd00c6b0781856a4474
 2012-01-01 13:58:53 +00:00
drh
4e5e108e83 Avoid excess syncs when padding a transaction in a WAL. 
FossilOrigin-Name: 1f24ae716df6232de768e245ea990049deee3c22
 2011-12-23 13:32:07 +00:00
drh
cc8d10a0fd Merge the POWERSAFE_OVERWRITE features and the use of statvfs() from the 
statvfs branch into trunk.

FossilOrigin-Name: 2370d70eb51d2259aaa8073d861ab79d6637cbd9
 2011-12-23 02:07:10 +00:00
drh
cb15f35f3b Change the name ZERO_DAMAGE to the more descriptive POWERSAFE_OVERWRITE. 
The query parameter used to control this device characteristic is now "psow".

FossilOrigin-Name: 6191c5e45175f5c6040e891843b0725a929d6dd7
 2011-12-23 01:04:17 +00:00
drh
3b5b351b65 Remove a redundant assignment operator. 
FossilOrigin-Name: 19a6852a1e5905b35bc69b309951c5ec8ecd0bef
 2011-12-22 01:46:04 +00:00
drh
f694aa6454 Remove the code that tries to detect OOO header writes on a WAL recovery. 
The code is made obsolete by syncing the WAL header.

FossilOrigin-Name: 7ac713a14e24c48651c2a97acc9839850fa7f3c3
 2011-12-20 22:18:51 +00:00
drh
d992b150c7 Refactor the sqlite3WalFrames() routine for clarity of presentation. 
Do the padded transaction sync as the write pointer crosses the final
sector boundary instead of at the end, for efficiency.  Always sync
the WAL header immediately after it is written.

FossilOrigin-Name: 92c73b421b6242b09247dfb759777a531a107523
 2011-12-20 20:13:25 +00:00
drh
4120994fdf Assert that the isCommit parameter to sqlite3WalFrames() is zero if and 
only if the nTruncate parameter is zero.

FossilOrigin-Name: 979daf92e09305665d943e197b93b81139197c5b
 2011-12-20 13:13:09 +00:00
drh
374f4a0447 For improved clarity of presentation, 
refactor some of the code associated with ZERO_DAMAGE and sector-size.

FossilOrigin-Name: 1dde96c9ee88af1c4e37c2e65acb7c0fe6a20e2a
 2011-12-17 20:02:11 +00:00