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tcl-init
Commit Graph

406 Commits

Author SHA1 Message Date
drh
e730fec883 Comment clarifications in wal.c. 
FossilOrigin-Name: a029be10172e2e6a2ef4e3eb2ea1bd0ca85b16ed
 2010-05-18 12:56:50 +00:00
drh
69c4696784 Remove an unreachable test from wal.c. 
FossilOrigin-Name: 7162c45673d1068d1fda55a70207a3cd77575502
 2010-05-17 20:16:50 +00:00
drh
5cccc940cc Allow sqlite3WalCheckpoint() to be called even if the WAL is in the 
SQLITE_SHM_READ state, as sometimes happens after an error.

FossilOrigin-Name: 175b296f9b9680f605537f52a8a53944deaa5391
 2010-05-13 15:44:00 +00:00
drh
5500a1f1e6 Make sure xShmGet is never called while already holding the shared-memory 
segment.

FossilOrigin-Name: 92ebdbc5f64ac63796ff56c1e1aec3b95c6bdd20
 2010-05-13 09:11:31 +00:00
dan
bd50ddeb42 Fix for a segfault that can follow a malloc failure. 
FossilOrigin-Name: 3cab9022457ce50f82c5822d8ba6c04a3a85cb6a
 2010-05-13 07:08:53 +00:00
drh
686138fe88 A couple simple fixes to get wal.test mostly working. 
FossilOrigin-Name: c74458127468f30b16715594c8d68e9d3c05d292
 2010-05-12 18:10:52 +00:00
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
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
5543759b1b Changes so that WAL and exclusive-locking mode work together. 
FossilOrigin-Name: 71e7b1cf9f4cd02a2a9bc8a3e58acd7a7e3c7e60
 2010-05-11 12:19:26 +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
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
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
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
dan
d41a29a653 Further coverage tests. 
FossilOrigin-Name: 98a9713e0030a36ea99a18a12a2e7685c6db72b3
 2010-05-06 15:56:28 +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
ff6dfc73fe Add tests for some lock-contention cases. 
FossilOrigin-Name: f0fcb9c9a67e2bf7bbedbedbc27791b605a21dd1
 2010-05-06 12:15:48 +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
dan
c7991bdf29 Test the handling of errors returned by the xShmXXX() APIs. 
FossilOrigin-Name: 72663123d6be2b194cad7a6057d0f20dd0d9fe05
 2010-05-05 19:04:59 +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
drh
a8e654eb38 Be sure to release all wal-index locks before closing the wal-index. 
FossilOrigin-Name: b15b67fa14ff77963f470678ff6188c63be8e079
 2010-05-04 17:38:42 +00:00
drh
cd058ec4ef Relax an over-zealous assert() in sqlite3WalUndo(). 
FossilOrigin-Name: 8f9d22d58c75ad7476c1eea8ba296347e30b7beb
 2010-05-04 17:20:09 +00:00
drh
33bec22fb1 Take care not to invoke the xShmClose method of the VFS with a NULL 
shared memory object.

FossilOrigin-Name: 1465d3842c52aa7471f63deb47fe5b256d4e01c2
 2010-05-04 16:33:37 +00:00
dan
b6e099a973 Fix problems with recovering wal files that use a page-size other than the default. 
FossilOrigin-Name: 1a391f3c55dc9d4266552fa26d2a9839c6bafce4
 2010-05-04 14:47:39 +00:00
dan
ef37802545 Fix a typo in walfault.test. 
FossilOrigin-Name: 232dbe8ecec16485be5c5995fdf7a0ed951c2097
 2010-05-04 11:06:03 +00:00
dan
8d6ad1cc2c Test that the correct number of padding frames are appended to the log file after committing a transaction in synchronous=FULL mode. 
FossilOrigin-Name: a60104aa7e38e7d9f2ff2eae02687dc9c5dd5d77
 2010-05-04 10:36:20 +00:00
dan
76ed3bc044 Fix a couple of errors in WAL code that can occur in an OOM situation. 
FossilOrigin-Name: 9d3f3736be42ef8ab48b099d4712e08dfca97873
 2010-05-03 17:18:24 +00:00
drh
1fbe0f2a8f Change the VFS definition so that all methods take a VFS object pointer as 
their first parameter.

FossilOrigin-Name: 43b5b07f0d996d7ef7426346b1792e9ca898f487
 2010-05-03 16:30:27 +00:00
drh
2d536e187f Change the SHM interface so that it does not take the name of the shared 
object but rather the name of the WAL file and derives its own name from
that.  Remove the xShmDelete method from the VFS and replace it with a
delete flag on xShmClose.

FossilOrigin-Name: 94dea5f9c11a68564220cec76ac3fae2ba90e907
 2010-05-01 20:17:30 +00:00
dan
5cf53537a8 Support compile-time option SQLITE_OMIT_WAL, for building without WAL support. 
FossilOrigin-Name: 9b230c43dfa112e3e1589f9775926807bd36b36e
 2010-05-01 16:40:20 +00:00
dan
fe05aa144c Fix a problem with resizing the wal-index mapping after the mapping has been extended by an external process. 
FossilOrigin-Name: 79d356fea6008a8adf8ebd4906571375f3cf5213
 2010-04-30 17:05:23 +00:00
dan
c9d53dbe5a Fix a problem with calculating the required size of the wal-index when appending frames. 
FossilOrigin-Name: 9526b11130f3ed2f5227386a26263c767214603a
 2010-04-30 16:50:00 +00:00
dan
30c8629e67 Reapply commits [837d82a929] and [c05e7dca17] that were accidentally overwritten. 
FossilOrigin-Name: 598de52700ba13e3228289220a74fc62073c62d4
 2010-04-30 16:24:46 +00:00
drh
49156b2b5e Correctly record the fact that the SHM lock reached PENDING if it did so 
but failed to reach CHECKPOINT.

FossilOrigin-Name: d9250e84ac1fc6590f8670e1d801630650c7846a
 2010-04-30 16:12:04 +00:00
dan
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. 
FossilOrigin-Name: c05e7dca172719f33e245c08d0c0e8ab47e5a537
 2010-04-30 15:49:27 +00:00
dan
6045461eee If a reader attempts to upgrade to a writer, but is not reading the most recent database snapshot, return SQLITE_BUSY. 
FossilOrigin-Name: 837d82a92977cbfa0963411daf8160d286a7ed32
 2010-04-30 15:24:43 +00:00
drh
5530b764a8 Separate the concepts of underlying storage size and mapped size in the 
VFS shared-memory implementation.

FossilOrigin-Name: 4cbe49f13fed288f94ff305bcfd99df907bf7baf
 2010-04-30 14:39:50 +00:00
dan
87bfb51ef8 Add a missing walIndexUnmap() call to the checkpoint code. Change a couple of SQLITE_CANTOPEN constants to SQLITE_CANTOPEN_BKPT. 
FossilOrigin-Name: 1f9e8c5c27ae2c68bc01d8e2bb2c662be7b3f161
 2010-04-30 11:43:28 +00:00
dan
1bc6171c23 Fix an assert() in sqlite3WalRead(). 
FossilOrigin-Name: 2e7a0050e192dd197d4db92393ab120897c14836
 2010-04-30 10:24:54 +00:00
dan
4c97b53425 Fix a couple of assert() statements in os_unix.c and wal.c. Combine sqlite3WalIsDirty() with sqlite3WalUndo(). 
FossilOrigin-Name: a8f958be804ee05c4137b3cd110db344713af5f2
 2010-04-30 09:52:17 +00:00
dan
ba51590bcd Add a missing walIndexUnmap() to sqlite3WalSnapshotOpen(). 
FossilOrigin-Name: 72b95fde15dae56390dc8d4168fb2757447e289e
 2010-04-30 09:32:06 +00:00
drh
79e6c78ccc The first 6 WAL tests now work. It's a start. 
FossilOrigin-Name: a92c1851da10acf51e7f6f086b8a23bd731940b3
 2010-04-30 02:13:26 +00:00
drh
7ed91f2344 Refactor wal.c to use the VFS. This check-in compiles and links and works 
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
dan
31c03907fd Fix a but in the WAL checkpoint code causing SQLite to use an inconsistent cache in a subsequent transaction. 
FossilOrigin-Name: d1cadeed4eea20d8892726cc8c69f4f3f57d0cd4
 2010-04-29 14:51:33 +00:00