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Author SHA1 Message Date
dan
b7e3a326fe Use mremap() on Linux. 
FossilOrigin-Name: 431aecc8600c29c203546e48d256510510238887
 2013-03-25 20:30:13 +00:00
drh
dee6554811 Merge all recent trunk changes into the experimental-mmap branch. 
FossilOrigin-Name: a607d63f0b6a3d3785e9385187d3e6b92e14fc70
 2013-03-25 19:57:26 +00:00
dan
893c0ffc29 Add a test that simulates an error in mmap(). 
FossilOrigin-Name: 6ec7367d8e98425f00eeb8215ca8964313c1d0b7
 2013-03-25 19:05:07 +00:00
dan
a64d5a15b7 Simulate OOM errors in the sqlite3OsFetch() function. Run malloc.test as part of the "mmap" permutation. 
FossilOrigin-Name: 77443ef2cd0b29b7822eea544ab8c6c4a93cb67b
 2013-03-25 18:25:49 +00:00
dan
df737fe6f5 Change the signature of the xUnfetch method to "int (*xUnfetch)(sqlite3_file*, sqlite3_int64 iOfst, void *p)". 
FossilOrigin-Name: 115b830509e8f0aa9d5965c1e9cd4f2ed9d01938
 2013-03-25 17:00:24 +00:00
dan
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. 
FossilOrigin-Name: dce35c01a5fe66d2970075b1e3f0376026485e4c
 2013-03-25 16:28:54 +00:00
dan
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. 
FossilOrigin-Name: bbcaab3e80d0ff776d8567094b137d1483b3377b
 2013-03-25 14:31:39 +00:00
dan
a1afc7425a Fix a case in the pager where an xFetch() reference was being leaked following an OOM error. 
FossilOrigin-Name: 5885ba6ce768658ec25b60747430d147b315b55c
 2013-03-25 13:50:49 +00:00
dan
e115ff8171 Add a second test for [38b1ae018f]. 
FossilOrigin-Name: 5062db672c00c3365d51cd6b39815078f5b6b525
 2013-03-25 12:02:45 +00:00
dan
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]. 
FossilOrigin-Name: f85f9103cffa5c8ba6a63a68beb90817147ba080
 2013-03-25 11:38:44 +00:00
drh
dba0cb2351 Remove the SQLITE_OMIT_MERGE_SORT compile-time option and its related code. 
The merge sorter is now a required component.

FossilOrigin-Name: 8b44d6fb159e85267095e846cded2764c3bcb895
 2013-03-24 22:56:49 +00:00
dan
f23da96636 Replace the sqlite3_io_methods.xMremap interface with sqlite3_io_methods.xFetch and xUnfetch. 
FossilOrigin-Name: 1431be95579160fb70408d43e17fc23c7b69ab4a
 2013-03-23 21:00:41 +00:00
dan
e5586a1a79 Improve a comment in wal.c. No code changes. 
FossilOrigin-Name: 60b9f5e4dd2af54975ba78437239f0bebd472fd2
 2013-03-23 17:29:06 +00:00
dan
9d56c6df9a Fix a case where a checkpoint operation could write to an invalid part of a memory mapped region. 
FossilOrigin-Name: 8dbe89d05ce91428c69003f0da79d883fa23e2b5
 2013-03-23 14:20:42 +00:00
mistachkin
2753388e8a In the winMremap VFS function, unmap the region prior to attempting to truncate the file. 
FossilOrigin-Name: 8870c4cc6cda07154936644f7df25bd81d6ba38a
 2013-03-23 12:15:27 +00:00
mistachkin
46fce002d9 Do not unmap the mapped file region in winTruncate as there may be outstanding pointers to it. 
FossilOrigin-Name: f57a9c91e993f76ce8b923e06e721414980e8e61
 2013-03-23 10:09:46 +00:00
mistachkin
daf9a5a402 Preliminary changes to support the xMremap VFS method on Windows. 
FossilOrigin-Name: 75a85a1c6ac59f2d021c28fa2161afb1118deea4
 2013-03-23 09:56:39 +00:00
dan
7909e54a22 Update wal mode tests so that they work with the mmap test permutation. 
FossilOrigin-Name: f7295872a36539d10edaf0c633f935f25cf73657
 2013-03-22 20:15:31 +00:00
drh
23f29ec628 Fix a potential NULL-pointer dereference in btreeSwapOutMmap(). 
FossilOrigin-Name: e81ccdcd87a1387f7ca08d4d7c899311e2180d32
 2013-03-22 19:56:27 +00:00
dan
aa1d67b1d9 Fix a case where the mapped part of a database file may be written during a backup operation. 
FossilOrigin-Name: c8d67aefff7299dd5c8abeb2a3a52109c0a823ee
 2013-03-22 19:17:45 +00:00
dan
99bd10979a Allow the database file to be memory mapped in wal mode. 
FossilOrigin-Name: d190ddabc386bc9654b99e33fb81b2f6e67b54d6
 2013-03-22 18:20:14 +00:00
dan
c00033125d Add a fix for the assert() statements added by the previous commit. 
FossilOrigin-Name: 19345416ed5e1ab5b0b35993b0b9069c2fb1683b
 2013-03-22 17:46:11 +00:00
dan
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. 
FossilOrigin-Name: 765615f9fba7c1765eb741cb98a09a28b464ee55
 2013-03-22 08:58:38 +00:00
mistachkin
48864df97d Many spelling fixes in comments. No changes to code. 
FossilOrigin-Name: 6f6e2d50941e444ebc83604daddcc034137a05b7
 2013-03-21 21:20:32 +00:00
dan
b26e6c14fe Fix cases where xRead() was being used to read from a memory mapped part of the database file. 
FossilOrigin-Name: 5c9e9df27b9f2c46cd55388a858d4e78ee564975
 2013-03-21 20:39:55 +00:00
dan
7c49427fc2 Avoid calling xRead() on a part of the database file that is memory mapped. 
FossilOrigin-Name: c8eac290a7240d69494bd0dad5ed1fdc2505f703
 2013-03-21 20:00:07 +00:00
dan
5b068f8632 Fix a problem when opening a write-transaction while there exist read-only b-tree cursors in mmap mode. 
FossilOrigin-Name: 32e0bbb73609ac3ad096a60f1de3095bc79fb0cc
 2013-03-21 15:57:32 +00:00
dan
c71b45e619 Do not use the Linux mremap() call. Use the same strategy for xMremap() as on OSX instead. 
FossilOrigin-Name: 5ed8ad780c991d2ca44003ee84350fb5e95ad58e
 2013-03-21 14:47:47 +00:00
dan
d306e1a3a1 Optimize the xMremap method in os_unix.c some. 
FossilOrigin-Name: 9529ed88a71fee02fae72dc86f0669bd6856ff92
 2013-03-20 18:25:49 +00:00
dan
eb97b29345 When possible, use memory mapping when appending new pages to a database file. 
FossilOrigin-Name: 14135da3cdbafd699563a29608f32347cda28338
 2013-03-20 14:26:59 +00:00
drh
0e5fba790a Fix text-to-numeric type casting so that it works correctly on UTF16 
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
dan
eecc398374 Add test file mmap1.test. 
FossilOrigin-Name: aee1f53a74e636776cbbc11bdd5516432ad50533
 2013-03-20 10:07:43 +00:00
dan
5d8a137218 Add the sqlite3_io_methods.xMremap() method to the VFS interface. Also "PRAGMA mmap_size". 
FossilOrigin-Name: 6183f1bd86ceed76d22d9762f3d7eb33262c62d1
 2013-03-19 19:28:06 +00:00
drh
339d6c6d17 Bring makefiles and build scripts into alignment with the sessions branch. 
No changes to code.

FossilOrigin-Name: d1f41089aba075eef45fd696599e5d3a74c84d0c
 2013-03-19 16:12:40 +00:00
drh
ce3ca25cbc Clarifications to the documentation for the sqlite3_aggregate_context() API. 
Also, shorten an over-length source line in sqlite.h.in.

FossilOrigin-Name: 4fe2db1d866c80fe51f7fddbf9ce6753fb55b5f6
 2013-03-18 17:18:18 +00:00
drh
5b4b255151 Version 3.7.16 
FossilOrigin-Name: 66d5f2b76750f3520eb7a495f6247206758f5b90
 2013-03-18 11:39:23 +00:00
dan
a72014faf5 When possible, use memcpy() to and from the mapped region instead of xWrite() and xRead(). 
FossilOrigin-Name: f8ca5622d99bedca957caa9ad311d798f63b3ce9
 2013-03-16 20:19:21 +00:00
dan
7af6547a5a Fix a dropped error code in pager.c. 
FossilOrigin-Name: 022fdc986b33701abfd39621072ac3d9f9f7d43e
 2013-03-15 19:13:42 +00:00
dan
11dcd11913 Allow read-only cursors to use mmap pages even if there is an open write transaction. 
FossilOrigin-Name: b387e2f9d24dccac1fd040e309f6fc7ec1cfffba
 2013-03-15 18:29:18 +00:00
dan
b2d3de3bf4 Use mmap() to read from the database file in rollback mode. This branch is unix only for now. 
FossilOrigin-Name: 6f21d9cbf5d457e63a7282015a89ae785526cf6d
 2013-03-14 18:34:37 +00:00
dan
27e6df4e41 Enhance tests for ticket [4dd95f6943]. 
FossilOrigin-Name: 0b452734faa0839c817f040322e7733e423bfce2
 2013-03-13 07:02:04 +00:00
drh
b19cad6b94 Fix the ORDER BY with IN constraint logic so that it works with all 
combinations of DESC on the ORDER BY clause, on the RHS of the IN operator,
and in the index used by ORDER BY and IN.  
Fix for ticket [4dd95f6943fbd18].

FossilOrigin-Name: 839aa91faf1db7025d90fa3c65e50efb829b053b
 2013-03-13 00:13:25 +00:00
drh
725e1ae52e Add a single new test case to the ORDER BY with IN logic verify that if the 
RHS of the IN is a descending index that it still works.  Add testcase()
macros to the ORDER BY with IN logic to help verify that corner cases are
tested.

FossilOrigin-Name: 7e7356f1552cd53ea363d1ded3b2c221c9d0be01
 2013-03-12 23:58:42 +00:00
mistachkin
706627b870 Fix typo in sqlite3_close() function documentation reported on the mailing list. 
FossilOrigin-Name: c9a75d890f06cf3806d7b8879824a11d3a8e7016
 2013-03-12 23:03:42 +00:00
drh
3c60421864 Fix a test case that had an ambiguous result. 
FossilOrigin-Name: 38c6bddf8cf15fb358858da6da457046f40b61ce
 2013-03-12 22:13:33 +00:00
mistachkin
f5840160b7 Fix typo in sqlite3_close() function documentation reported on the mailing list. 
FossilOrigin-Name: 7232093d6c6871a9f4ea155ab215e3b39c1c322d
 2013-03-12 20:58:21 +00:00
drh
1ccce44937 Fix the ORDER BY optimization with IN constraints when the RHS of the 
IN constraint is a descending index.

FossilOrigin-Name: 62316ebaca933f7e5df2018e8360a2b74234f30a
 2013-03-12 20:38:51 +00:00
drh
d383216383 Revise the patch to make it easier to understand. 
FossilOrigin-Name: 3ce7eb0265b5be4e23264ae41332b947011ff1ad
 2013-03-12 18:49:25 +00:00
dan
d7e8689078 Add test cases for [4dd95f6943]. 
FossilOrigin-Name: 723c144c76fc171e5d19072d6d42a08013921ec6
 2013-03-12 18:44:49 +00:00
drh
7a3e147ee2 Revised fix for the DESC ORDER BY and IN constraint bug, 
ticket [4dd95f6943fbd18].  The previous check-in was incorrect.

FossilOrigin-Name: 8b2eb7a43b4580f04c14ea8600cf080e0e7f384d
 2013-03-12 18:40:20 +00:00