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17 Commits

Author SHA1 Message Date
dan
cdc1f049bf Modify the interface to the blocking wal-checkpoint functionality. 
FossilOrigin-Name: 72787c010c8944e8fcf9c98aa4482f129142d8e9
 2010-11-18 12:11:05 +00:00
dan
a58f26f93f Add experimental command "PRAGMA wal_blocking_checkpoint", which uses the busy-handler to block until all readers have finished in order to ensure the next writer will be able to wrap around to the start of the log file. 
FossilOrigin-Name: 7e3fc2c833a5baa08820c499867b6902bdc2ed5a
 2010-11-16 18:56:51 +00:00
dan
8c40800439 If a database file with the WAL flag set is opened in exclusive-locking mode, use heap memory to store the wal-index instead of shared-memory. 
FossilOrigin-Name: 8dd5c69198619866923c6053b71899c1fb8c4c67
 2010-11-01 17:38:24 +00:00
dan
763afe62e1 Incremental checkin on pager state refactoring. 
FossilOrigin-Name: 0a636798bdb6961a47327091715b254f79add823
 2010-08-03 06:42:39 +00:00
dan
38e1a279c9 Fix some errors when compiling with SQLITE_OMIT_WAL. 
FossilOrigin-Name: 3b68cb9c656db8c5c481199919a98f5764f7ebfa
 2010-06-28 11:23:09 +00:00
dan
6e6bd5658f Fix a problem with rolling back to a savepoint opened before the writer decided to wrap the log file. 
FossilOrigin-Name: 6b4aed6aae7dc9e92807d27375cbe1e83c15841b
 2010-06-02 18:59:03 +00:00
drh
73b64e4d2e Initial code for incremental checkpoint in WAL mode. This check-in compiles 
on unix and runs as long as you do not engage WAL mode.  WAL mode crashes and
burns.  Consider this check-in a baseline implementation for getting the new
capability up and running.

FossilOrigin-Name: ef3ba7a17ff90674d702e5694b9e792851ab6998
 2010-05-30 19:55:15 +00:00
dan
71d8991932 Change the checksum used in WAL files so that each frames checksum depends on the content of the WAL header and all frame headers and content up to and including the frame to which the checksum is attached. 
FossilOrigin-Name: 8a53f12c83a107684b99f4a9de371b5ea3ca810a
 2010-05-24 13:57:42 +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
5543759b1b Changes so that WAL and exclusive-locking mode work together. 
FossilOrigin-Name: 71e7b1cf9f4cd02a2a9bc8a3e58acd7a7e3c7e60
 2010-05-11 12:19:26 +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
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
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
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
drh
833bf968e3 Rename the sqlite3_log_hook() to sqlite3_wal_hook(). Added comments to 
wal.h.

FossilOrigin-Name: bbc385111b19071e20fe963fab814262c815b3e9
 2010-04-28 14:42:19 +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
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