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25 check-ins using file src/os_unix.c version 0177d9f4

2011-08-18
17:47
Ensure that the Tcl "db onecolumn" command returns an empty string if the SELECT statement returns zero rows. (check-in: 928bcaf0 user: dan tags: trunk)
13:45
Fix the stat3 analysis loader to be compatible with sqlite3_db_status(). Also fix some OOM issues with the stat3 analysis loader. (Closed-Leaf check-in: eaf447ea user: drh tags: stat3-enhancement)
02:51
Fix a bug in the cleanup of stat tables on a DROP TABLE in autovacuum mode. (check-in: 3fe5d54f user: drh tags: stat3-enhancement)
01:10
Fix an error with OOM processing in the ANALYZE logic. (check-in: b26ec79c user: drh tags: stat3-enhancement)
2011-08-17
07:46
Properly process x64 DLL exports, which do not contain a leading underscore, in the MSVC makefile. (check-in: d5936324 user: mistachkin tags: trunk)
02:19
Add vdbesort.c to the MSVC makefile. (check-in: 8eaa2cd3 user: mistachkin tags: trunk)
00:40
Use OP_Sort rather than OP_Rewind in order to sort the content of a new index on the CREATE INDEX statement. Add an ALWAYS() to the merge sort logic to document an unreachable branch. (check-in: f01766f4 user: drh tags: trunk)
2011-08-16
17:06
Fix a few harmless compiler warnings. Add SQLITE_ENABLE_STAT3 to the standard compiler warning script. (check-in: 3d68f9af user: drh tags: stat3-enhancement)
02:07
Allow the sqlite3VdbeJumpHere() routine to accept a negative or zero address if a prior memory allocation error has occurred. The new sqlite_stat3 logic needs this. (check-in: 9650d796 user: drh tags: stat3-enhancement)
01:15
Add the analyze8.test test module for sqlite_stat3. (check-in: 2c83ac89 user: drh tags: stat3-enhancement)
2011-08-15
19:44
Updated comments on the multiplexor extension. No changes to code. (check-in: 0f42ef69 user: drh tags: trunk)
15:37
Fix an assert() in the merge-sort logic to account for I/O errors. (check-in: c1daa809 user: drh tags: trunk)
15:27
New makefile target "sqlite3-debug.c" builds an amalgamation that include appropriate "#line" macros relating the code back to the original source files. (check-in: 26f2da24 user: drh tags: trunk)
14:41
When opening a temporary file to use in a merge-sort, pass SQLITE_OPEN_TEMP_JOURNAL instead of SQLITE_OPEN_TEMP_DB. This is a better fit, as merge-sort files are written and read sequentially like journal files. (check-in: bd04756b user: dan tags: trunk)
12:58
Update some test cases to work with sqlite_stat3 instead of sqlite_stat2. (check-in: 2504bcfb user: drh tags: stat3-enhancement)
12:02
Fix a couple of typos in comments in analyze.c. (check-in: ae31dc67 user: dan tags: stat3-enhancement)
2011-08-13
19:35
Further testing and bug fixing for sqlite_stat3. Added the Index.avgEq field to index statistics. Fixed several problems in the query planner associated with stat3. (check-in: 89b2f708 user: drh tags: stat3-enhancement)
15:25
Add the sqlite_stat3.nDLT field. Use an linear congruence PRNG to choose which samples to select from among those with the same nEq field. (check-in: 1dcd2428 user: drh tags: stat3-enhancement)
10:47
Fix the header comment on the implementation of the file_control_sizehint_test TCL command in test1.c. (check-in: 30919808 user: drh tags: trunk)
00:58
The ANALYZE command picks for 15 samples for sqlite_stat3 with the largest nEq fields, plus 5 other evenly spaced samples. (check-in: 8225924e user: drh tags: stat3-enhancement)
2011-08-12
16:47
Merge the experimental changes to use a merge-sort when creating an index into the trunk. (check-in: 346a453d user: dan tags: trunk)
16:34
Update Makefile.in and configure to account for new source file vdbesort.c. (Closed-Leaf check-in: 69e4b41d user: dan tags: experimental)
16:30
Merge latest trunk changes into experimental branch. (check-in: 7e515055 user: dan tags: experimental)
01:51
Begin a branch that experimentally replaces sqlite_stat2 with a new table called sqlite_stat3 that will hopefully facilitate better query planning decisions. (check-in: 52e1d7e8 user: drh tags: stat3-enhancement)
2011-08-10
01:52
Make the openDirectory routine in os_unix.c overrideable so that it can be turned into a harmless no-op for the chromium sandbox. (check-in: 6b236069 user: drh tags: trunk)