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Author SHA1 Message Date
dan
a4bc123f83 Change the OOM and IO error test cases in walfault.test so that each test case runs both types of error simulation. 
FossilOrigin-Name: b627e1536822bb7e3ef91867661a53be0efc13ef
 2010-06-01 17:46:38 +00:00
dan
9971e710e4 Delay the decision to restart the log file until data is actually ready to be written to the log file (instead of at the start of a write transaction). 
FossilOrigin-Name: b1abfaaf5309cc0d0dda4fb2c237862c8cf83261
 2010-06-01 15:44:57 +00:00
drh
964bf9c8bb The incremental checkpoint feature is not perfect yet, but it is working 
well enough to merge it into the trunk.

FossilOrigin-Name: 1d3e569e59ba89cc167f0a48951ecd82f10322ba
 2010-06-01 15:24:29 +00:00
dan
98fbfe703e Merge with [15abbc3416]. 
FossilOrigin-Name: f4b9003a2d3db88eaabb4b291e6cea8e8ea6ff51
 2010-06-01 14:30:49 +00:00
dan
f9b7671066 If an attempt to get a read-lock on the WAL fails with SQLITE_BUSY_RECOVER, call the busy-handler at the btree level. 
FossilOrigin-Name: ce64496509a213c08c9dedae2a7a456b393d22e5
 2010-06-01 14:12:45 +00:00
drh
f77bbd9fc5 Fix a bug introduced by the previous check-in but only seen if 
SQLITE_ENABLE_EXPENSIVE_ASSERTS is turned on.

FossilOrigin-Name: 9c9ec8994bf701249efce6c7bb911de4525808c8
 2010-06-01 13:17:44 +00:00
drh
9c1564779e Fix an off-by-one boundary-value issue in walCleanupHash(). 
FossilOrigin-Name: f039552e6330b6a04281748f985b41937f534bd0
 2010-06-01 12:58:41 +00:00
dan
72bcac9ca7 Do not hold the shared-memory mutex in os_unix.c if returning NULL. 
FossilOrigin-Name: 9622dd468c8914262e9d8bd8dbca9e22ec6ee75c
 2010-06-01 11:08:56 +00:00
dan
e877296705 If the checkpoint fails to obtain an exclusive lock on one of the read-lock bytes, do not consider this an error. 
FossilOrigin-Name: 9e95e35728cf69a0ae50e774d7f6c71a41b17d97
 2010-06-01 10:44:28 +00:00
dan
5f3f3b2962 Fixes to the test cases in wal2.test. 
FossilOrigin-Name: cd5fbcbce8b55f24c0bf349b179c26e333ff7172
 2010-06-01 07:51:47 +00:00
drh
181e091ff3 Comment edits and cleanup in wal.c. No functional code changes. 
FossilOrigin-Name: e8e666ab8273f5db5265f0773b39820f75b6df1a
 2010-06-01 01:08:08 +00:00
drh
ad24581e65 Attempt to get the filectrl.test script running. 
FossilOrigin-Name: e46a8f2b752f86c4d8942ee125210516026ffdc2
 2010-06-01 00:28:42 +00:00
drh
b29ad8502e Fix os_unix.c so that it will compile and build on a Mac. 
FossilOrigin-Name: bc707c83e5f9849d9d201d695d0d071ca9ed93cb
 2010-06-01 00:03:57 +00:00
drh
61e4acecf4 Fix issues with locking_mode=EXCLUSIVE in WAL. 
FossilOrigin-Name: 8deba0cebd135a18da68530fab9e7d19dc21ddcb
 2010-05-31 20:28:37 +00:00
drh
4b82c387c9 Add an "isInit" field in the wal-index header that must be non-zero for 
a valid header.  Use this to detect an uninitialized wal-index.

FossilOrigin-Name: a16fde190183d1ae252d1aa305b23fdb88c603dc
 2010-05-31 18:24:19 +00:00
drh
15d6809222 Fix an inconsistent #ifdef in wal.c. Fix os_unix.c so that it does not allow 
moving an SHM lock directly exclusive to shared without going through unlocked.

FossilOrigin-Name: 552658da2845c2323167b6c7db6e5c00090f280c
 2010-05-31 16:56:14 +00:00
dan
d0aa34277f Avoid dropping the checkpoint lock after a recovery run as a precursor to a checkpoint operation. 
FossilOrigin-Name: cc25cfa04630a43c1de26f2dbdacbe46c110a2b5
 2010-05-31 16:41:53 +00:00
dan
3dee6da994 Zero the checkpoint header as the last step of successful WAL recovery. Avoid an unnecessary lock/unlock in WalBeginReadTransaction. 
FossilOrigin-Name: db3509c55dfe288650b803622e3a0828c6e59aea
 2010-05-31 16:17:54 +00:00
drh
20e1f08e0b Get the new xShmLock interface design working on os_win.c. 
FossilOrigin-Name: 149a7082e266edf0dc25c23823a9e240f5285215
 2010-05-31 16:10:12 +00:00
drh
18b7f604aa Make sure WAL alway requests enough shared-memory space. 
FossilOrigin-Name: 138f128317b6695530ca3fde7be4cdf22548cd22
 2010-05-31 14:39:31 +00:00
drh
4222441dee Remove the tests that enable tracing based on the existance of the "vdbe_*" 
files when in SQLITE_DEBUG mode.

FossilOrigin-Name: cdbb4e7ca7ec27e7e80dd66529d9d565f547887a
 2010-05-31 14:28:25 +00:00
dan
dcb1169fb7 Update another test case in wal.test. 
FossilOrigin-Name: 99fde69e61d12cf95b47db70c4647c30be2d2f45
 2010-05-31 14:18:45 +00:00
drh
a2ac9df170 Change WAL test cases to account for the improved concurrency in the new 
checkpoint logic.

FossilOrigin-Name: 2d6f2485053e6d2a67abda9a80693ca68f4556d2
 2010-05-31 13:11:49 +00:00
drh
34116eaf6a Do not fail a checkpoint just because active readers prevent backfill. 
FossilOrigin-Name: 9aa4243e0cedcc9204994d04af1b2b7a80c048bd
 2010-05-31 12:30:52 +00:00
drh
c74c333408 Add WALTRACE() macros to help with debugging and analysis. 
FossilOrigin-Name: 765c33181a7b9d99b452ce750d69f217b3c81a5d
 2010-05-31 12:15:19 +00:00
dan
1beb939db1 Another minor fix to checkpoint on the WAL branch. 
FossilOrigin-Name: 853f1e3f7720af2723b552bdf086bb106e6e93fe
 2010-05-31 12:02:30 +00:00
dan
0cc5b2b6c6 Fix a bug in checkpoint introduced by [181ceb32ea]. 
FossilOrigin-Name: b499dbc88a67b4200b5f527be88be4ac90f7043f
 2010-05-31 11:39:53 +00:00
dan
d54ff60bf4 Fix some asserts and other things in the new WAL branch. 
FossilOrigin-Name: 181ceb32ead7f540a7c6437f53a5b0f3e78162db
 2010-05-31 11:16:30 +00:00
dan
8521abfd48 Changes to the way one of the WAL/OOM tests works. 
FossilOrigin-Name: 15abbc34168f7a5bd418254c2b16aac97029e6ea
 2010-05-31 06:38:34 +00:00
drh
c99597ca10 WAL runs but quickly deadlocks. 
FossilOrigin-Name: ace58acbf1fad13d2be96cafebc3a22875098d03
 2010-05-31 01:41:15 +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
a7a0c615d7 Add tests to fkey2.test to check that ON CONFLICT clauses do not affect SQLite's behaviour when an FK constraint is violated. 
FossilOrigin-Name: e9e5b1001986348ef0f88c19de87b94559a5451e
 2010-05-29 08:40:37 +00:00
dan
94b7f76b96 i 
i
Minor changes to checksum related test cases.

FossilOrigin-Name: 60c22bde52121993d4bea11eef38ab285c737e2c
 2010-05-29 06:18:54 +00:00
dan
5f168a5d53 Add a test to walcksum.test to stress the checksum calculation. 
FossilOrigin-Name: 778d0c1768f73057be912793631e0cf0575858fb
 2010-05-28 04:16:28 +00:00
drh
bab7b91e99 Make sure the wal-index mapping is always large enough to cover the entire 
active area of the wal-index.

FossilOrigin-Name: 42705babba0e9d2ef078845854bebbd168f23366
 2010-05-26 17:31:58 +00:00
drh
026ac28b28 Change the semantics of xShmGet() such that it will never increase the size 
of shared memory.  xShmSize() must be used to grow the size of shared memory.
A shared memory segment size cannot be shrunk (except by dropping it).

FossilOrigin-Name: 72de00731245277b2209103ec0a76e3d4f56530e
 2010-05-26 15:06:38 +00:00
drh
51b21b169a Updated header comments in wal.c. No functional code changes. 
FossilOrigin-Name: 687632a6b3a0aeb006c1eda5c27d5489f08c230e
 2010-05-25 15:53:31 +00:00
dan
fa408ada0a Add a busy-handler to a test case in walthread.test to prevent errors. 
FossilOrigin-Name: d3d348aa975c58c37088eb2830081880896b85e7
 2010-05-25 15:23:51 +00:00
dan
d77766edf7 Modify walcrash2.test so that it works with DEFAULT_AUTOVACUUM=1. 
FossilOrigin-Name: 77438882dd53ac4d98b24e2846c87a2418b4e3d8
 2010-05-25 13:49:09 +00:00
drh
1b78eaf0ba Update header comments in wal.c to correctly describe the WAL file format. 
Update the locking region offsets in os_unix.c and os_win.c and add assert()
statement to verify that the locking region offsets are correct.

FossilOrigin-Name: 40030c0739f821ea8ee188c28c579507f10448bc
 2010-05-25 13:40:03 +00:00
dan
ca6b5baba4 If a writer exits unexpectedly in the middle of a transaction, have the following writer remove any wal-index hash-table entries left by the interrupted transaction. 
FossilOrigin-Name: ed77556adcdf7011b95b9969b360269fb2ebe4e5
 2010-05-25 10:50:56 +00:00
drh
82043b3077 Remove unreachable code associated with WAL from the pager. 
FossilOrigin-Name: 54c1718e6d15a20414cae15895eb5e83217722e2
 2010-05-25 02:24:01 +00:00
drh
f53303573a OOM errors during an auto-checkpoint are benign. 
FossilOrigin-Name: 3d252ce5d0d843e4e65beed672598e65c5745129
 2010-05-24 20:27:44 +00:00
drh
0b9441354b Remove the walmode.test case from the inmemory_journal test of 
permutations.test.

FossilOrigin-Name: 27ba9c21fb591190b73010ced394cc62c1edff54
 2010-05-24 20:24:38 +00:00
drh
c2857bf2a5 Fix the wal2.test script so that it works in auto_vacuum mode. 
FossilOrigin-Name: 6a818afb93ca8383abb55e3835e14c74c3e3de23
 2010-05-24 17:00:19 +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
c81791573a Make sure a WAL frame of all zeros is detected as an invalid frame. 
FossilOrigin-Name: 02d99ad4b51065c67cc7689916130774be1c4c87
 2010-05-24 13:28:36 +00:00
drh
00f699d57b Fix up test_osinst.c to work with SQLITE_OMIT_VIRTUALTABLE. 
FossilOrigin-Name: 51fd38152b92db637d1d346fca35ec2d3e4d4f57
 2010-05-24 12:34:14 +00:00
dan
b8fd6c2fe6 Change the WAL file format to support two kinds of checksums - one that is fast to calculate on little-endian architectures and another that is fast on big-endian architectures. A flag in the wal-header indicates which the file uses. 
FossilOrigin-Name: 65ba804dd1d31d1eef6ae3f40a3ade344a410b84
 2010-05-24 10:39:36 +00:00
dan
9c0928dcb6 Add a couple of missing methods to test_osinst.c.. 
FossilOrigin-Name: 5c9e9c06ae350043e66f36087da4021a52e6ee17
 2010-05-22 08:22:39 +00:00