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100 check-ins occurring around 8051c1767c4386b0.

2011-08-23
16:41
Have the "crash" VFS used by the tcl tests (test6.c) handle SQLITE_FCNTL_SIZE_HINT internally, instead of passing it directly through to the underlying VFS. This is important if the crash VFS is simulating non-default device characteristics such as SQLITE_DEVCAP_SEQUENTIAL or ATOMIC. check-in: fac8bc8f user: dan tags: trunk
13:27
Ifdef out routines in pcache1.c that are used only when SQLITE_PAGECACHE_BLOCKALLOC is defined. check-in: 0da292da user: drh tags: trunk
12:50
Merge the PAGECACHE_BLOCKALLOC changes into trunk. check-in: 768c1846 user: drh tags: trunk
11:47
When copying a rollback mode database over a WAL database using the backup API, leave the destination database in WAL mode (instead of switching it to rollback mode). Fix for [af95b8c609]. check-in: 35e6ac18 user: dan tags: trunk
05:10
Change to test instrumentation of os_unix.c: Regard IO errors that occur within SQLITE_FCNTL_SIZE_HINT requests as benign. (This check-in was intended for trunk and went onto the branch accidentally.) Closed-Leaf check-in: ca47da2a user: dan tags: pager-blockalloc
00:01
Remove a branch that is always true. check-in: a6568192 user: drh tags: trunk
2011-08-22
20:33
Remove an unreachable branch in the FK code. check-in: 6c227cc8 user: drh tags: trunk
14:55
Modify test cases so that veryquick.test passes with PAGECACHE_BLOCKALLOC defined. check-in: c6100070 user: dan tags: pager-blockalloc
09:54
Fix for [b1d3a2e531]. check-in: 3f3acee4 user: dan tags: trunk
2011-08-19
18:15
Experimental change: If SQLITE_PAGECACHE_BLOCKALLOC is defined, instead of allocating pages one at a time, allocate blocks of between 15 and 63 pages in a single allocation. check-in: 63597097 user: dan tags: pager-blockalloc
14:54
When retrying a write() after an EINTR error on unix, be sure to also rerun the previous lseek(). Ticket [e59bdf6116036a] check-in: 21452f3a user: drh tags: trunk
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
16:11
Remove an unused parameter from a function in vdbesort.c. Fix some comments and other details in the same file. check-in: 1a8498d8 user: dan tags: experimental
15:02
Add the SQLITE_OMIT_MERGE_SORT pre-processor directive. To omit the code in vdbesort.c. check-in: 4ced2394 user: dan tags: experimental
11:59
Add tests to improve coverage of vdbesort.c. check-in: 87a15917 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
2011-08-09
18:14
Add command-line utilities "offsets.c" and "extract.c" for use in low-level analyzsis of database files. check-in: dfa22ed4 user: drh tags: trunk
2011-08-08
23:48
In os_unix.c, do not open the directory containing the database file when the database file is opened. Instead, wait until time to fsync() the directory. And do not report an error if the open fails, since some systems (Ex: AIX and a chromium sandbox) are unable to open and fsync directories. check-in: 713b1b7d user: drh tags: trunk
23:18
Allow the unlink() system call to be overridden in os_unix.c. check-in: 8d1b5c3a user: drh tags: trunk
19:26
Remove redundant parameter from vdbeSorterInitMerge() in vdbesort.c. check-in: eec8c0df user: dan tags: experimental
17:18
Add code to actually use the sqlite_stat2.cnt field in the query planner. This changes some plans resulting in a few failures in analyze5.test. Closed-Leaf check-in: d1248165 user: drh tags: query-planner-tweaks
16:44
Add fault-injection and other tests (and fixes) to improve coverage of vdbesort.c. check-in: 0e6defa6 user: dan tags: experimental
2011-08-07
01:31
Remove relevant elements from the sqlite_stat2 table when doing a DROP INDEX or DROP TABLE. check-in: 3c8f97ae user: drh tags: trunk
00:21
The ANALYZE command adds the sqlite_stat2.cnt column if it does not already exist. check-in: 794fde6f user: drh tags: query-planner-tweaks
2011-08-06
19:48
The sqlite_stat2.cnt field is parsed if it is present. But it is not yet used. A large comment added to analyze.c to explain the format of the ANALYZE system tables. check-in: 6d1e2372 user: drh tags: query-planner-tweaks
15:09
Fix a problem with building large indexes introduced by the previous commit. check-in: 038ec9ea user: dan tags: experimental
12:01
In temp files used for merge sorting, store the size of each packed-memory-array at the start of the array itself. This is to avoid having to store the offsets of all arrays in the (potentially very large) file in main-memory. check-in: 8051c176 user: dan tags: experimental
02:03
Merge together the fork in the query-planner-tweaks branch. check-in: 2daab6bd user: drh tags: query-planner-tweaks
01:22
Fix a compiler warning when STAT2 is off. More test cases. Fix legacy tests to deal with the new STAT2 logic. check-in: 7e914aa9 user: drh tags: query-planner-tweaks
2011-08-05
22:31
Bug fixes to the sample-count logic for STAT2. A few test cases added. check-in: e93c248c user: drh tags: query-planner-tweaks
21:13
Add a column to the sqlite_stat2 table that contains the number of entries with exactly the same key as the sample. We do not yet do anything with this extra value. Some tests in analyze2.test are failing. check-in: eb434228 user: drh tags: query-planner-tweaks
11:49
Minor internal changes to vdbesort.c. Also, default to merging lists together 16 at a time. check-in: 9ddc324a user: dan tags: experimental
01:09
Allow the sqlite_stat2 table to contain a number of samples other than the default of 10. check-in: b9d41c34 user: drh tags: query-planner-tweaks
2011-08-04
18:43
Fix a comment in vdbesort.c. check-in: db8518ca user: dan tags: experimental
12:14
Change to using packed-memory-arrays instead of b-trees when performing an offline merge-sort for CREATE INDEX. This makes it easier to control the number of disc seeks required when merging. check-in: a4770d07 user: dan tags: experimental
2011-08-03
22:06
Merge the winopen-retry-logic branch into trunk. The biggest change here is to test scripts, which should now use such as copy_file and delete_file from tester.tcl rather than the raw file commands of TCL. check-in: b90c28be user: drh tags: trunk
21:46
Merge the latest trunk changes into the sessions branch. check-in: c5709036 user: drh tags: sessions
21:32
Avoid segfaulting on an incremental blob write if SQLITE_ENABLE_PREUPDATE_HOOK set but no pre-update hooks are defined. check-in: 62c44634 user: drh tags: sessions
16:40
Update the OP_Move opcode to shift the pScopyFrom pointer of aliases when compiled with SQLITE_DEBUG. Ticket [d63523637517386191]. check-in: a2135ad1 user: drh tags: trunk
01:07
Adjust the output row estimating logic when using STAT2. check-in: c8ba8855 user: drh tags: query-planner-tweaks
2011-08-02
23:45
Add explanatory comment to the win32lock-2.2 test case. Closed-Leaf check-in: 4cb17881 user: mistachkin tags: winopen-retry-logic
23:34
Correct subtle timing issues in the win32lock test cases and in the lock_win32_file Tcl command. Also, eliminate superfluous MSVC compiler warnings. check-in: 7baf0294 user: mistachkin tags: winopen-retry-logic
20:19
Fix missing info exists check for win32lock-2.2 (the one previously applied to win32lock-1.2). check-in: 8a52698e user: mistachkin tags: winopen-retry-logic
20:14
Exclude the 8_3_names.test script from the inmemory_journal permutation. check-in: 78fc94c8 user: drh tags: trunk
20:03
Replace the missed 'file copy' in malloc_common.tcl with copy_file. check-in: cd20b4ef user: mistachkin tags: winopen-retry-logic
20:01
Merge in the permutation changes from trunk. check-in: b30a5e30 user: drh tags: winopen-retry-logic
19:59
Also exclude backcompat.test from inmemory_journal since inmemory_journal is not compatible with WAL mode. check-in: 861a5b62 user: drh tags: trunk
19:42
Merge the latest trunk changes into the winopen-retry-logic branch. check-in: 8bef97a0 user: drh tags: winopen-retry-logic
19:30
Omit backcompat.test from the journaltest permutation because it uses WAL mode which is incompatible with journaltest. check-in: 2bbf3150 user: drh tags: trunk
18:25
Merge all the latest trunk changes into the apple-osx branch. check-in: 77376b33 user: drh tags: apple-osx
10:56
Minor fixes to vdbesort.c code in preparation for a major rework. check-in: 7f339c0e user: dan tags: experimental
01:57
Make sure IS NOT NULL constraints work on virtual tables. Fix for ticket [6c14288a473ceff]. check-in: a55f4ab9 user: drh tags: trunk
00:57
Add retry logic for AV defense to winOpen. Also, refactor test suite to allow the key Tcl file operations (e.g. copy and delete) to be retried. check-in: 9007586f user: mistachkin tags: winopen-retry-logic
2011-07-30
23:50
Fix a (humorous) typo in the lemon documentation. check-in: ed630b01 user: drh tags: trunk
2011-07-28
20:48
Merge changes for the new sqlite3_file_control() that will cause the -wal and -shm files to persist after the last database connection closes. check-in: 1b56677b user: mistachkin tags: trunk
19:16
Remove redundant sub-expression from retry loop invariant in winAccess. Also, make check for SQLITE_ACCESS_READWRITE formally correct. check-in: 93079a92 user: mistachkin tags: trunk
07:34
Fix conditional for retry logic in winAccess and add missing call to logIoerr. check-in: 8a145863 user: mistachkin tags: trunk
00:14
Use osStat() instead of stat() consistently in os_unix.c check-in: 9109128c user: drh tags: trunk
2011-07-26
17:53
Fix errors in a comment in sqlite3session.c. No changes to code. check-in: d5f4c4c0 user: dan tags: sessions
16:23
Test cases added. Fix the query mode. Closed-Leaf check-in: a9d8794a user: drh tags: persistent-wal-patch
16:03
Prototype change for a new sqlite3_file_control() that will cause the -wal and -shm files to persist after the last database connection closes. check-in: e34c553b user: drh tags: persistent-wal-patch
15:57
Fix a test case in sessionfault.test. No changes to code. check-in: dc6ecacd user: dan tags: sessions
15:50
Fix a problem causing sqlite3changeset_invert() to effectively drop UPDATE changes. check-in: bb3e65d9 user: dan tags: sessions
2011-07-25
23:25
Enable the SQLITE_FCNTL_SIZE_HINT on unix even if SQLITE_FCNTL_CHUNK_SIZE has not been set. check-in: 05c9832e user: drh tags: trunk
2011-07-23
13:54
Merge the winAccess retry logic from the anti-antivirus branch into the trunk. check-in: 08d0e879 user: drh tags: trunk
13:11
In the multiplexor, close auxiliary files before deleting them when doing a truncate. check-in: 6fb7cfc2 user: drh tags: trunk
2011-07-22
21:25
Add retry logic for AV defense to winAccess(). Also allow OS tracing to be enabled by a compile-time option. Closed-Leaf check-in: a6b85c73 user: drh tags: av-defense
12:49
Merge the latest trunk changes into the sessions branch. check-in: 110cfd69 user: drh tags: sessions
11:23
Also add the sqlite3-all.c target to the MSVC makefile. check-in: 8ce2b74a user: drh tags: trunk
11:16
Add makefile targets sqlite3-all.c. check-in: 71f7be58 user: drh tags: trunk
10:53
Adjust the maximum number of open database connections in wal3.test down for OpenBSD. check-in: b38e52f6 user: drh tags: trunk
10:33
Use $(TCLSH_CMD) instead of tclsh in the autoconf makefile. check-in: fd36d806 user: drh tags: trunk
2011-07-21
21:29
Compile with the SQLITE_ENABLE_8_3_NAME macro set to 2 to force 8+3 filenames to be on all the time. check-in: ae83dac7 user: drh tags: trunk
20:59
All multiplexor chunk sizes up to 4GiB. Disable the multiplexor if the chunk size is set to 0. check-in: 83191ad6 user: drh tags: trunk
2011-07-20
17:59
For an existing multiplexed database, try to set the chunk size automatically based on the sizes of the preexisting pieces. check-in: 427a9a51 user: drh tags: trunk
17:13
All the SQLITE_OPEN_URI flag to propagate down into the VFS. check-in: 29866f95 user: drh tags: trunk
16:35
When the multiplexor opens an auxiliary file, it now persists the name of that file until it is closed, as it should. Remove the limit on the number of auxiliary files used by the multiplexor. check-in: 1ffa542b user: drh tags: trunk