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50 check-ins using file src/os.c version 6df3e9c2

2007-03-29
17:57
Make sure the strftime() date conversions put in leading zeros correctly. Ticket #2276. (CVS 3749) check-in: e853067e user: drh tags: trunk
17:28
Avoid calling OsDelete() on journal files when they are opened for temporary databases. Fix for #2255. (CVS 3748) check-in: e746832f user: danielk1977 tags: trunk
17:07
Add a couple of test cases to improve coverage testing. (CVS 3747) check-in: 0b22ce36 user: danielk1977 tags: trunk
16:30
Don't call ctype functions on hi-bit chars. Some platforms raise assertions when this occurs, and it's almost certainly not the right thing to do in the first place. (CVS 3746) check-in: f6c3abdc user: shess tags: trunk
15:00
Assume the malloc-failed flag cannot already be set when calling sqlite3_errmsg(16)(). (CVS 3745) check-in: 54fa2227 user: danielk1977 tags: trunk
13:35
Fix a bug in XFER optimization introduced by check-in (3736). (CVS 3744) check-in: 3714ac17 user: drh tags: trunk
12:24
Explicitly test some error cases that up until now have not been checked. (CVS 3743) check-in: 0b7bd9c3 user: danielk1977 tags: trunk
12:19
Explicitly test some error cases that up until now have not been checked. (CVS 3742) check-in: f26b0141 user: danielk1977 tags: trunk
05:51
Change BtreeMoveto so that it can be biased to the right or to the center. Use a right bias when appending and a center bias when searching. This gives about a 15% reduction in calls to sqlite3VdbeRecordCompare. (CVS 3741) check-in: ad4a6b1a user: drh tags: trunk
04:43
Bias the b-tree binary search toward the high end. The common case is to append data and this heuristic makes append run much faster because there are fewer comparisons. (CVS 3740) check-in: a9877f61 user: drh tags: trunk
02:26
Get LEMON working again when YYSTACKDEPTH is greater than zero. (CVS 3739) check-in: e72c81db user: drh tags: trunk
01:44
Lemon change: compile the resulting parser with -DYYSTACKDEPTH=0 or set the "%stack_size" parameter to 0 in the grammar and the parser stack will be dynamically allocated using realloc() and free(). The default behavior is to have a finite depth stack. (CVS 3738) check-in: 06719b74 user: drh tags: trunk
00:08
Patch so the the code compiles with -DSQLITE_OMIT_CHECK=1. (CVS 3737) check-in: 72cea358 user: drh tags: trunk
2007-03-28
18:04
Improvements to the XFER Optimization of the INSERT statement. (CVS 3736) check-in: 53fff7d1 user: drh tags: trunk
14:30
Correctly handle NULLs in IN operators. Ticket #2273. The changes in where.c and in the WhereLevel.aInLoop structure are not strictly necessary to fix this problem - they just make the code easier to read. Only the change in OP_Next/OP_Prev operator of vdbe.c is required. (CVS 3735) check-in: 26348556 user: drh tags: trunk
13:07
Update comments in sqlite3.h. No changes to code. (CVS 3734) check-in: 1c2656fd user: drh tags: trunk
01:59
Fix an memory allocation error revealed by malloc3.test. (CVS 3733) check-in: 0f7fdb02 user: drh tags: trunk
2007-03-27
22:24
The SQLITE_ENABLE_LOAD_EXTENSION macro enables the load_extension() SQL function by default without having to invoke sqlite3_enable_load_extension() first. (CVS 3732) check-in: 113aab2c user: drh tags: trunk
21:47
Fix the prototype of the CodecAttach function in attach.c. (CVS 3731) check-in: 902413e8 user: drh tags: trunk
17:37
Remove a c++ comment in pager.c. (CVS 3730) check-in: e4452e8a user: danielk1977 tags: trunk
16:19
Test handling of IO errors that occur in OsDelete() or OsTruncate() operations. Also use an anonymous file for temporary storage during a VACUUM. (CVS 3729) check-in: b24a6e7b user: danielk1977 tags: trunk
15:00
Updates to the VACUUM documentation. Ticket #2257. (CVS 3728) check-in: c61c97c9 user: drh tags: trunk
14:44
The -DSQLITE_OMIT_ATTACH=1 option now omits both the ATTACH and VACUUM commands. Ticket #2268. The regression test suite depends on both of these commands and will not run if compiled with this option. (CVS 3727) check-in: cbebfb89 user: drh tags: trunk
14:05
Fix off-by-one errors in the header comments of btree.c. Ticket #2272. (CVS 3726) check-in: a70ea720 user: drh tags: trunk
13:36
More strict aliasing fixes. The single source file library now runs successfully with -fstrict-alias. (CVS 3725) check-in: c8a8a189 user: drh tags: trunk
12:04
Get the -DSQLITE_OMIT_XFER_OPT option working. Run speed tests on a full regression. Add the script for generating sqlite3.c. (CVS 3724) check-in: 1dd9d077 user: drh tags: trunk
12:04
Get the -DSQLITE_OMIT_XFER_OPT option working. Run speed tests on a full regression. Add the script for generating sqlite3.c. (CVS 3723) check-in: 42c03851 user: drh tags: trunk
2007-03-26
22:05
Modify sources to that they can be combined into a single sqlite3.c source file. Eliminate all type-pruned pointer warnings. (CVS 3722) check-in: 0b832e21 user: drh tags: trunk
16:30
Set the same random seed for the speed tests. (CVS 3721) check-in: 8fe31705 user: drh tags: trunk
16:13
Run some malloc() tests with exclusive-access mode. (CVS 3720) check-in: 9ebba469 user: danielk1977 tags: trunk
15:46
Discard the pager-cache when the page-size is changed. (CVS 3719) check-in: e4209f71 user: danielk1977 tags: trunk
13:48
Avoid unnecessary calls to pager_unwritelock() when in exclusive-access mode. Add the speed2.test script to the test suite. (CVS 3718) check-in: ab53f508 user: drh tags: trunk
12:26
Run some malloc() tests with exclusive-access mode. (CVS 3717) check-in: 12745490 user: danielk1977 tags: trunk
10:27
Add some tests and fixes surrounding exclusive-access mode and the pager change-counter. (CVS 3716) check-in: 72cb2e1a user: danielk1977 tags: trunk
08:41
Add some documentation for pragma locking_mode. (CVS 3715) check-in: 394b174e user: danielk1977 tags: trunk
08:05
Some fixes and test cases for exclusive access mode. (CVS 3714) check-in: 899e6070 user: danielk1977 tags: trunk
2007-03-25
19:08
Add the sqlite3_prepare_v2 and sqlite3_prepare16_v2 APIs to the loadable extension interface. (CVS 3713) check-in: f02ba56d user: drh tags: trunk
2007-03-24
16:45
Changes for exclusive access mode. There are still some bugs. (CVS 3712) check-in: b6c70037 user: danielk1977 tags: trunk
2007-03-23
18:12
Discard the contents of the pager-cache only when the change-counter indicates that it is stale. (CVS 3711) check-in: 07b56965 user: danielk1977 tags: trunk
10:08
Add a comment to the OsSectorSize() function. (CVS 3710) check-in: 0fd9983a user: danielk1977 tags: trunk
2007-03-22
15:22
In os_unix.c, make a distinction between pread() and pread64(). Add a new compile-time macro USE_PREAD64 to select the latter. (CVS 3709) check-in: 177cd929 user: drh tags: trunk
15:20
Call sqlite3_free() instead of free() to release a buffer allocated by sqlite3_vmprintf() in test_async.c (test suite bug only). (CVS 3708) check-in: b078f09b user: danielk1977 tags: trunk
00:14
Refactor PLWriter to remove owned buffer. DLCollector (Document List Collector) now handles the case where PLWriter (Position List Writer) needed a local buffer. Change to using the associated DLWriter (Document List Writer) buffer, which reduces the number of memory copies needed in doclist processing, and brings PLWriter operation in line with DLWriter operation. (CVS 3707) check-in: d04fa3a1 user: shess tags: trunk
2007-03-20
23:52
Refactor PLWriter in preparation for buffered-document change. Currently, PLWriter (Position List Writer) creates a locally-owned DataBuffer to write into. This is necessary to support doclist collection during tokenization, where there is no obvious buffer to write output to, but is not necessary for the other users of PLWriter. This change adds a DLCollector (Doc List Collector) structure to handle the tokenization case.    Also fix a potential memory leak in writeZeroSegment(). In case of error from leafWriterStep(), the DataBuffer dl was being leaked. (CVS 3706) check-in: 1b9918e2 user: shess tags: trunk
2007-03-19
17:44
Modify the interface to the pager sub-system in preparation for performing IO in blocks based on sector-size, not database page-size. (CVS 3705) check-in: 7dc76588 user: danielk1977 tags: trunk
15:04
Add some test cases simulating crashes with various storage medium sector sizes. (CVS 3704) check-in: c3c5f658 user: danielk1977 tags: trunk
13:53
Fix some problems with test cases in shared_err.test. Also a real bug causing a segfault after an IO error in pager.c. (CVS 3703) check-in: 9f62ef1e user: danielk1977 tags: trunk
11:54
Fix a comment in btree.c (CVS 3702) check-in: 05700c11 user: drh tags: trunk
11:25
Changes to support medium sector sizes larger than the database page size. (CVS 3701) check-in: 3a3e8eb2 user: danielk1977 tags: trunk
05:54
Add new OS file method to return the sector-size of the underlying storage: sqlite3OsSectorSize() (CVS 3700) check-in: 5752d84d user: danielk1977 tags: trunk