0d0614bdc6
Memory-mapped I/O is now on by default. The "PRAGMA mmap_limit(N)" can be
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used to issue a hint to the VFS to limit mmap space to N bytes. The VFS
is free to ignore that hint if desired. However, if "PRAGMA mmap_limit(0)"
is used, xFetch is never called.
FossilOrigin-Name: 1b37c4effdd03aa2ea938a71b4f22ed27391689b
2013-03-25 23:09:28 +00:00
d1ab8065c1
Add munmap and mremap to the set of os interfaces that can be overloaded
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in os_unix.c.
FossilOrigin-Name: 8776047bd776bbf266eb9c3b56683badb84ae73e
2013-03-25 20:50:25 +00:00
b7e3a326fe
Use mremap() on Linux.
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FossilOrigin-Name: 431aecc8600c29c203546e48d256510510238887
2013-03-25 20:30:13 +00:00
dee6554811
Merge all recent trunk changes into the experimental-mmap branch.
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FossilOrigin-Name: a607d63f0b6a3d3785e9385187d3e6b92e14fc70
2013-03-25 19:57:26 +00:00
893c0ffc29
Add a test that simulates an error in mmap().
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FossilOrigin-Name: 6ec7367d8e98425f00eeb8215ca8964313c1d0b7
2013-03-25 19:05:07 +00:00
a64d5a15b7
Simulate OOM errors in the sqlite3OsFetch() function. Run malloc.test as part of the "mmap" permutation.
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FossilOrigin-Name: 77443ef2cd0b29b7822eea544ab8c6c4a93cb67b
2013-03-25 18:25:49 +00:00
df737fe6f5
Change the signature of the xUnfetch method to "int (*xUnfetch)(sqlite3_file*, sqlite3_int64 iOfst, void *p)".
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FossilOrigin-Name: 115b830509e8f0aa9d5965c1e9cd4f2ed9d01938
2013-03-25 17:00:24 +00:00
aef49d7141
Remove unnecessary code to round the size of a memory mapping to 4KB from os_unix.c. Rename SQLITE_IOERR_MREMAP to SQLITE_IOERR_MMAP. Fix other small issues in os_unix.c.
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FossilOrigin-Name: dce35c01a5fe66d2970075b1e3f0376026485e4c
2013-03-25 16:28:54 +00:00
11ac84635b
Do not return SQLITE_IOERR when the user attempts to open a small file that is not a database with mmap enabled. Instead return SQLITE_NOTADB.
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FossilOrigin-Name: bbcaab3e80d0ff776d8567094b137d1483b3377b
2013-03-25 14:31:39 +00:00
a1afc7425a
Fix a case in the pager where an xFetch() reference was being leaked following an OOM error.
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FossilOrigin-Name: 5885ba6ce768658ec25b60747430d147b315b55c
2013-03-25 13:50:49 +00:00
e115ff8171
Add a second test for [38b1ae018f].
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FossilOrigin-Name: 5062db672c00c3365d51cd6b39815078f5b6b525
2013-03-25 12:02:45 +00:00
1cb90c668c
In fts3, when filtering lists for hits in a specific column, edit the list in place in the same way as it is for NEAR filtering. Fix for [38b1ae018f].
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FossilOrigin-Name: f85f9103cffa5c8ba6a63a68beb90817147ba080
2013-03-25 11:38:44 +00:00
dba0cb2351
Remove the SQLITE_OMIT_MERGE_SORT compile-time option and its related code.
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The merge sorter is now a required component.
FossilOrigin-Name: 8b44d6fb159e85267095e846cded2764c3bcb895
2013-03-24 22:56:49 +00:00
f23da96636
Replace the sqlite3_io_methods.xMremap interface with sqlite3_io_methods.xFetch and xUnfetch.
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FossilOrigin-Name: 1431be95579160fb70408d43e17fc23c7b69ab4a
2013-03-23 21:00:41 +00:00
e5586a1a79
Improve a comment in wal.c. No code changes.
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FossilOrigin-Name: 60b9f5e4dd2af54975ba78437239f0bebd472fd2
2013-03-23 17:29:06 +00:00
9d56c6df9a
Fix a case where a checkpoint operation could write to an invalid part of a memory mapped region.
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FossilOrigin-Name: 8dbe89d05ce91428c69003f0da79d883fa23e2b5
2013-03-23 14:20:42 +00:00
2753388e8a
In the winMremap VFS function, unmap the region prior to attempting to truncate the file.
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FossilOrigin-Name: 8870c4cc6cda07154936644f7df25bd81d6ba38a
2013-03-23 12:15:27 +00:00
46fce002d9
Do not unmap the mapped file region in winTruncate as there may be outstanding pointers to it.
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FossilOrigin-Name: f57a9c91e993f76ce8b923e06e721414980e8e61
2013-03-23 10:09:46 +00:00
daf9a5a402
Preliminary changes to support the xMremap VFS method on Windows.
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FossilOrigin-Name: 75a85a1c6ac59f2d021c28fa2161afb1118deea4
2013-03-23 09:56:39 +00:00
7909e54a22
Update wal mode tests so that they work with the mmap test permutation.
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FossilOrigin-Name: f7295872a36539d10edaf0c633f935f25cf73657
2013-03-22 20:15:31 +00:00
23f29ec628
Fix a potential NULL-pointer dereference in btreeSwapOutMmap().
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FossilOrigin-Name: e81ccdcd87a1387f7ca08d4d7c899311e2180d32
2013-03-22 19:56:27 +00:00
aa1d67b1d9
Fix a case where the mapped part of a database file may be written during a backup operation.
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FossilOrigin-Name: c8d67aefff7299dd5c8abeb2a3a52109c0a823ee
2013-03-22 19:17:45 +00:00
99bd10979a
Allow the database file to be memory mapped in wal mode.
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FossilOrigin-Name: d190ddabc386bc9654b99e33fb81b2f6e67b54d6
2013-03-22 18:20:14 +00:00
c00033125d
Add a fix for the assert() statements added by the previous commit.
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FossilOrigin-Name: 19345416ed5e1ab5b0b35993b0b9069c2fb1683b
2013-03-22 17:46:11 +00:00
6101d50471
Add assert statements to os_unix.c to ensure that any mapped region of the database file is not being read or written using the xRead() or xWrite() methods.
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FossilOrigin-Name: 765615f9fba7c1765eb741cb98a09a28b464ee55
2013-03-22 08:58:38 +00:00
48864df97d
Many spelling fixes in comments. No changes to code.
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FossilOrigin-Name: 6f6e2d50941e444ebc83604daddcc034137a05b7
2013-03-21 21:20:32 +00:00
b26e6c14fe
Fix cases where xRead() was being used to read from a memory mapped part of the database file.
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FossilOrigin-Name: 5c9e9df27b9f2c46cd55388a858d4e78ee564975
2013-03-21 20:39:55 +00:00
7c49427fc2
Avoid calling xRead() on a part of the database file that is memory mapped.
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FossilOrigin-Name: c8eac290a7240d69494bd0dad5ed1fdc2505f703
2013-03-21 20:00:07 +00:00
5b068f8632
Fix a problem when opening a write-transaction while there exist read-only b-tree cursors in mmap mode.
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FossilOrigin-Name: 32e0bbb73609ac3ad096a60f1de3095bc79fb0cc
2013-03-21 15:57:32 +00:00
c71b45e619
Do not use the Linux mremap() call. Use the same strategy for xMremap() as on OSX instead.
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FossilOrigin-Name: 5ed8ad780c991d2ca44003ee84350fb5e95ad58e
2013-03-21 14:47:47 +00:00
d306e1a3a1
Optimize the xMremap method in os_unix.c some.
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FossilOrigin-Name: 9529ed88a71fee02fae72dc86f0669bd6856ff92
2013-03-20 18:25:49 +00:00
eb97b29345
When possible, use memory mapping when appending new pages to a database file.
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FossilOrigin-Name: 14135da3cdbafd699563a29608f32347cda28338
2013-03-20 14:26:59 +00:00
0e5fba790a
Fix text-to-numeric type casting so that it works correctly on UTF16
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strings that contain characters where the LSB is numeric but the MSB
is non-zero. Ticket [689137afb6da41]
FossilOrigin-Name: 5b22053f918d16f593227a432a5d5b4c195bb0b5
2013-03-20 12:04:29 +00:00
eecc398374
Add test file mmap1.test.
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FossilOrigin-Name: aee1f53a74e636776cbbc11bdd5516432ad50533
2013-03-20 10:07:43 +00:00
5d8a137218
Add the sqlite3_io_methods.xMremap() method to the VFS interface. Also "PRAGMA mmap_size".
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FossilOrigin-Name: 6183f1bd86ceed76d22d9762f3d7eb33262c62d1
2013-03-19 19:28:06 +00:00
1ffe7c7fab
Also export the sqlite3changeset interfaces in the amalgamated version of
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the sessions extension.
FossilOrigin-Name: 5b399f2bc43612c52ea2289001d852d7ba6f9750
2013-03-19 17:10:10 +00:00
339d6c6d17
Bring makefiles and build scripts into alignment with the sessions branch.
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No changes to code.
FossilOrigin-Name: d1f41089aba075eef45fd696599e5d3a74c84d0c
2013-03-19 16:12:40 +00:00
e191e2c6d0
Include the sqlite3session.h header file in with sqlite3.h. Make sure
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the session APIs are all public.
FossilOrigin-Name: ec490336bc6629d3910667ece1bbc4685a199546
2013-03-19 15:23:18 +00:00
ce3ca25cbc
Clarifications to the documentation for the sqlite3_aggregate_context() API.
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Also, shorten an over-length source line in sqlite.h.in.
FossilOrigin-Name: 4fe2db1d866c80fe51f7fddbf9ce6753fb55b5f6
2013-03-18 17:18:18 +00:00
c03edc0b62
Adjust the MSVC makefile so that it correctly handles the sessions
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extension being included in the amalgamation. Import the test case
changes that appeared in 3.7.16 final.
FossilOrigin-Name: 9bac09a99aef5f18386037b409869d760c520d53
2013-03-18 16:24:33 +00:00
5b4b255151
Version 3.7.16
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FossilOrigin-Name: 66d5f2b76750f3520eb7a495f6247206758f5b90
2013-03-18 11:39:23 +00:00
a72014faf5
When possible, use memcpy() to and from the mapped region instead of xWrite() and xRead().
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FossilOrigin-Name: f8ca5622d99bedca957caa9ad311d798f63b3ce9
2013-03-16 20:19:21 +00:00
7af6547a5a
Fix a dropped error code in pager.c.
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FossilOrigin-Name: 022fdc986b33701abfd39621072ac3d9f9f7d43e
2013-03-15 19:13:42 +00:00
11dcd11913
Allow read-only cursors to use mmap pages even if there is an open write transaction.
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FossilOrigin-Name: b387e2f9d24dccac1fd040e309f6fc7ec1cfffba
2013-03-15 18:29:18 +00:00
b2d3de3bf4
Use mmap() to read from the database file in rollback mode. This branch is unix only for now.
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FossilOrigin-Name: 6f21d9cbf5d457e63a7282015a89ae785526cf6d
2013-03-14 18:34:37 +00:00
46d269bc14
Merge updates from trunk.
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FossilOrigin-Name: d63fa039a01330f5300c3a936d2f9ffb018952b9
2013-03-13 20:52:11 +00:00
38b4daa122
Fix typos in MSVC makefile.
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FossilOrigin-Name: 2d15c2685750b930c5b7e2f06cb056b24a037967
2013-03-13 19:02:39 +00:00
8ce2b0956a
Fix main.mk so that it builds the amalgamation correctly.
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FossilOrigin-Name: 0b84e277245f10f928c010ea5958923681c6d582
2013-03-13 12:20:15 +00:00
498dcae0f0
Fix a compiler warning in sqlite3VdbePreUpdateHook().
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Add sqlite3session.c to the amalgamation.
Fix the Makefile.in to work with sessions.
FossilOrigin-Name: e54b0225f226a163ec874df7d4b738efba12b3a7
2013-03-13 11:42:00 +00:00
27e6df4e41
Enhance tests for ticket [4dd95f6943].
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FossilOrigin-Name: 0b452734faa0839c817f040322e7733e423bfce2
2013-03-13 07:02:04 +00:00
drh