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Commit Graph

578 Commits

Author SHA1 Message Date
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
dan
5e0ce87a3f Change walthread.test so that tests can be run with either multiple threads or multiple processes. 
FossilOrigin-Name: 25f85f68723e56c18e44b094d85f67b99912dc86
 2010-04-28 17:48:44 +00:00
dan
4b64c1e365 Merge two "wal" leaves. 
FossilOrigin-Name: 8c2d43babd61fe2225d5c402174253f412604092
 2010-04-27 18:49:54 +00:00
dan
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. 
FossilOrigin-Name: b51a5f8bc660616aa264025dd7ad4bdab458814b
 2010-04-27 05:42:32 +00:00
dan
4cd78b4d89 Fixes for problems with small caches and SAVEPOINT rollback in WAL mode. 
FossilOrigin-Name: 6a944f028d4a070bef29e1fbc6fbef481ebcd34c
 2010-04-26 16:57:10 +00:00
dan
cd11fb28c3 Add mutexes to fix a race condition in wal.c. This isn't a very good fix. 
FossilOrigin-Name: 3d159939cc2beb18c4ca0c8e9a99a75d4107e6e4
 2010-04-26 10:40:52 +00:00
drh
c438efd68a Change the names of the log.c and log.h source files to wal.c and wal.h. 
FossilOrigin-Name: 56fe5d7624f840417152bcc63efbe21a5f557920
 2010-04-26 00:19:45 +00:00