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47 check-ins using file src/expr.c version d488bb60

2013-03-25
19:05
Add a test that simulates an error in mmap(). (check-in: 6ec7367d user: dan tags: experimental-mmap)
18:25
Simulate OOM errors in the sqlite3OsFetch() function. Run malloc.test as part of the "mmap" permutation. (check-in: 77443ef2 user: dan tags: experimental-mmap)
17:00
Change the signature of the xUnfetch method to "int (*xUnfetch)(sqlite3_file*, sqlite3_int64 iOfst, void *p)". (check-in: 115b8305 user: dan tags: experimental-mmap)
16:28
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. (check-in: dce35c01 user: dan tags: experimental-mmap)
14:31
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. (check-in: bbcaab3e user: dan tags: experimental-mmap)
13:50
Fix a case in the pager where an xFetch() reference was being leaked following an OOM error. (check-in: 5885ba6c user: dan tags: experimental-mmap)
2013-03-23
21:00
Replace the sqlite3_io_methods.xMremap interface with sqlite3_io_methods.xFetch and xUnfetch. (check-in: 1431be95 user: dan tags: experimental-mmap)
17:29
Improve a comment in wal.c. No code changes. (check-in: 60b9f5e4 user: dan tags: experimental-mmap)
14:20
Fix a case where a checkpoint operation could write to an invalid part of a memory mapped region. (check-in: 8dbe89d0 user: dan tags: experimental-mmap)
12:15
In the winMremap VFS function, unmap the region prior to attempting to truncate the file. (check-in: 8870c4cc user: mistachkin tags: experimental-mmap)
10:09
Do not unmap the mapped file region in winTruncate as there may be outstanding pointers to it. (check-in: f57a9c91 user: mistachkin tags: experimental-mmap)
09:56
Preliminary changes to support the xMremap VFS method on Windows. (check-in: 75a85a1c user: mistachkin tags: experimental-mmap)
2013-03-22
20:15
Update wal mode tests so that they work with the mmap test permutation. (check-in: f7295872 user: dan tags: experimental-mmap)
19:56
Fix a potential NULL-pointer dereference in btreeSwapOutMmap(). (check-in: e81ccdcd user: drh tags: experimental-mmap)
19:17
Fix a case where the mapped part of a database file may be written during a backup operation. (check-in: c8d67aef user: dan tags: experimental-mmap)
18:20
Allow the database file to be memory mapped in wal mode. (check-in: d190ddab user: dan tags: experimental-mmap)
17:46
Add a fix for the assert() statements added by the previous commit. (check-in: 19345416 user: dan tags: experimental-mmap)
08:58
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. (check-in: 765615f9 user: dan tags: experimental-mmap)
2013-03-21
20:39
Fix cases where xRead() was being used to read from a memory mapped part of the database file. (check-in: 5c9e9df2 user: dan tags: experimental-mmap)
20:00
Avoid calling xRead() on a part of the database file that is memory mapped. (check-in: c8eac290 user: dan tags: experimental-mmap)
15:57
Fix a problem when opening a write-transaction while there exist read-only b-tree cursors in mmap mode. (check-in: 32e0bbb7 user: dan tags: experimental-mmap)
14:47
Do not use the Linux mremap() call. Use the same strategy for xMremap() as on OSX instead. (check-in: 5ed8ad78 user: dan tags: experimental-mmap)
2013-03-20
18:25
Optimize the xMremap method in os_unix.c some. (check-in: 9529ed88 user: dan tags: experimental-mmap)
14:26
When possible, use memory mapping when appending new pages to a database file. (check-in: 14135da3 user: dan tags: experimental-mmap)
12:04
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] (check-in: 5b22053f user: drh tags: trunk)
10:07
Add test file mmap1.test. (check-in: aee1f53a user: dan tags: experimental-mmap)
2013-03-19
19:28
Add the sqlite3_io_methods.xMremap() method to the VFS interface. Also "PRAGMA mmap_size". (check-in: 6183f1bd user: dan tags: experimental-mmap)
17:10
Also export the sqlite3changeset interfaces in the amalgamated version of the sessions extension. (check-in: 5b399f2b user: drh tags: sessions)
16:12
Bring makefiles and build scripts into alignment with the sessions branch. No changes to code. (check-in: d1f41089 user: drh tags: trunk)
15:23
Include the sqlite3session.h header file in with sqlite3.h. Make sure the session APIs are all public. (check-in: ec490336 user: drh tags: sessions)
2013-03-18
17:18
Clarifications to the documentation for the sqlite3_aggregate_context() API. Also, shorten an over-length source line in sqlite.h.in. (check-in: 4fe2db1d user: drh tags: trunk)
16:24
Adjust the MSVC makefile so that it correctly handles the sessions extension being included in the amalgamation. Import the test case changes that appeared in 3.7.16 final. (check-in: 9bac09a9 user: drh tags: sessions)
11:39
Version 3.7.16 (check-in: 66d5f2b7 user: drh tags: trunk, release, version-3.7.16)
2013-03-16
20:19
When possible, use memcpy() to and from the mapped region instead of xWrite() and xRead(). (check-in: f8ca5622 user: dan tags: experimental-mmap)
2013-03-15
19:13
Fix a dropped error code in pager.c. (check-in: 022fdc98 user: dan tags: experimental-mmap)
18:29
Allow read-only cursors to use mmap pages even if there is an open write transaction. (check-in: b387e2f9 user: dan tags: experimental-mmap)
2013-03-14
18:34
Use mmap() to read from the database file in rollback mode. This branch is unix only for now. (check-in: 6f21d9cb user: dan tags: experimental-mmap)
2013-03-13
20:52
Merge updates from trunk. (check-in: d63fa039 user: mistachkin tags: toTypeFuncs)
19:02
Fix typos in MSVC makefile. (check-in: 2d15c268 user: mistachkin tags: sessions)
12:20
Fix main.mk so that it builds the amalgamation correctly. (check-in: 0b84e277 user: drh tags: sessions)
11:42
Fix a compiler warning in sqlite3VdbePreUpdateHook(). Add sqlite3session.c to the amalgamation. Fix the Makefile.in to work with sessions. (check-in: e54b0225 user: drh tags: sessions)
07:02
Enhance tests for ticket [4dd95f6943]. (check-in: 0b452734 user: dan tags: trunk)
06:34
Merge latest trunk changes into this branch. (check-in: d6cd3c78 user: dan tags: sessions)
00:13
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]. (check-in: 839aa91f user: drh tags: trunk)
2013-03-12
23:58
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. (Closed-Leaf check-in: 7e7356f1 user: drh tags: desc-orderby-fix-1)
22:13
Fix a test case that had an ambiguous result. (check-in: 38c6bddf user: drh tags: desc-orderby-fix-1)
20:38
Fix the ORDER BY optimization with IN constraints when the RHS of the IN constraint is a descending index. (check-in: 62316eba user: drh tags: desc-orderby-fix-1)