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100 check-ins occurring around e4ab094f8a.

2014-10-28
15:58
Trivial simplification to the automatic index logic. check-in: 23073a05 user: drh tags: trunk
12:35
Bump the version number to 3.8.8 check-in: 1a7e711e user: drh tags: trunk
00:56
Correct the documentation on the maximum size of a scratch allocation. check-in: 30f86eb3 user: drh tags: trunk
2014-10-27
22:06
Add special handling for static mutexes in sqlite3_mutex_alloc() when automatic calls to sqlite3_initialize() are enabled. check-in: 7857d27c user: mistachkin tags: trunk
20:14
Remove a small amount of unnecessary #ifdeffery from random.c. check-in: 2b9340c8 user: drh tags: trunk
19:58
Fix compilation issue with MSVC due to a misplaced variable declaration. check-in: 9588b345 user: mistachkin tags: trunk
19:42
Fix harmless compiler warning in an assert statement. check-in: d33a1ff3 user: mistachkin tags: trunk
19:39
Fix a typo in the macro name of an #ifdef check-in: 9646a136 user: drh tags: trunk
18:42
Merge latest enhancements, including the SQLITE_ENABLE_API_ARMOR patch, from trunk. check-in: 10aaf3b1 user: drh tags: apple-osx
18:34
Add the SQLITE_ENABLE_API_ARMOR compile-time option for extra API parameter validation. Enhance sqlite3_stricmp(), sqlite3_strnicmp(), and sqlite3_uri_parameter() for improved NULL parameter handling. check-in: ffb9d814 user: drh tags: trunk
18:21
Fix an unused variable in btree.c:allocateSpace(). check-in: 63724616 user: drh tags: trunk
14:26
Optimizations aimed at reducing the number of memcpy() operations required by balance_nonroot(). check-in: face33be user: dan tags: trunk
11:25
Add test file e_wal.test. check-in: fc6920b5 user: dan tags: trunk
08:02
If a free-slot is found within a page, but using that free-slot would fragment the page further and there are already at least 60 fragmented bytes, degragment the page. This matches the behaviour of the trunk. Closed-Leaf check-in: 1f80f8c1 user: dan tags: defrag-opt
07:01
Merge trunk with this branch. check-in: a13df301 user: dan tags: defrag-opt
2014-10-25
20:36
Further modifications to new code to better handle corrupt databases. check-in: 1a8cf0a0 user: dan tags: defrag-opt
13:42
Increase the resolution of the second parameter to the likelihood() SQL function (the probability value) so that it can handle probabilities as small as 0.00000001. Formerly, it ran out of precision at 0.001. check-in: 0f08924f user: drh tags: trunk
12:28
Do not use virtual (and hence redundant) WHERE-clause terms to restrict the content of a automatic partial index. Show when an automatic partial index is used in the EXPLAIN QUERY PLAN output. check-in: b9ad601e user: drh tags: trunk
2014-10-24
20:57
Ensure that the "Any prior cache entry associated with newKey is guaranteed not to be pinned" guarantee made to xRekey implementations is not violated. check-in: ecc3544e user: dan tags: defrag-opt
19:28
Enhance the automatic index logic so that it creates a partial index when doing so gives the same answer for less work. UPDATE: This change introduced a bug described by ticket [2326c258d02ead33]. check-in: d95d0313 user: drh tags: trunk
18:43
Fix some issues in the new code on this branch related to the handling of corrupt databases. check-in: 19736dd9 user: dan tags: defrag-opt
16:40
Fix some minor formatting and code organization issues. check-in: eab8706d user: dan tags: defrag-opt
15:26
Honor a high likelihood() on range constraints. check-in: 401235ed user: drh tags: trunk
14:32
Get the likelihood() functions working on operators like BETWEEN that create virtual terms in the WHERE-clause analysis. check-in: 03d0498d user: drh tags: trunk
12:37
Fix two problems. Tests now passing. Closed-Leaf check-in: 1c220b80 user: drh tags: api-armor
00:35
Add the SQLITE_ENABLE_API_ARMOR compile-time option. This is a work in progress and is not yet completely functional. check-in: c297a84b user: drh tags: api-armor
2014-10-23
17:26
Add debugging code to count the number of iterations of each loop made as part of statement execution. Leaf check-in: c6a5b67a user: dan tags: debug-loopcounters
01:01
Implement sqlite3_create_collation() by invoking sqlite3_create_collation_v2() with a NULL destructor argument. This saves a little space. check-in: 9762ad06 user: drh tags: trunk
2014-10-22
20:07
Disable the use of strchrnul() unless specifically enabled by compile-time options. check-in: e580470d user: drh tags: trunk
19:57
Change the 0x800 bit of SQLITE_TESTCTRL_OPTIMIZATIONS so that it disables the loading of STAT3 and STAT4 content, not just the using of that content. Change the internal name of that bit to SQLITE_Stat34. check-in: ca3b00c4 user: drh tags: trunk
18:42
Merge latest trunk with this branch. check-in: 854a54c6 user: dan tags: defrag-opt
16:25
The _beginthreadex() / _endthreadex() functions should only be used when compiling with MSVC. Closed-Leaf check-in: 1a5a5da3 user: mistachkin tags: msvcThreads
15:33
Add tests to check error handling in OTA. check-in: ec7321ae user: dan tags: ota-update
15:27
Take steps to avoid misestimating range query costs based on STAT4 data due to the roundoff error of converting from integers to LogEst and back to integers. check-in: 3c933bf9 user: drh tags: trunk
14:22
Version 3.8.6.1 check-in: 1581c30c user: drh tags: release, version-3.8.6.1, branch-3.8.6
11:30
Sync the database file in sqlite3_ckpt_close(), even if the checkpoint has not finished. check-in: e2729d62 user: dan tags: ota-update
03:00
Update the version number to 3.8.6.1 check-in: cad7f8d6 user: drh tags: branch-3.8.6
02:43
Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. This is a cherry-pick of [3e922208b68563] check-in: 67484807 user: drh tags: branch-3.8.6
2014-10-21
21:56
Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. check-in: 3e922208 user: drh tags: trunk
19:35
Test that sqlite3ota_open() works with URI paths. Fix some other issues. check-in: 6fd09854 user: dan tags: ota-update
18:16
Further tuning of the cost estimates for skip-scan loops, especially for cases when skip-scan loops are in competition with regular loops. check-in: a27861c2 user: drh tags: trunk
18:09
Add tests for another application writing the database while an ota update is ongoing. check-in: 2402baa0 user: dan tags: ota-update
16:01
Add WHERETRACE debugging output to the whereLoopAdjustCost() routine. check-in: ec1e942f user: drh tags: trunk
01:05
If a skip-scan is a proper subset of some other scan, then adjust the cost of the skip-scan upward so that it is more costly than the other scan. Such a cost imbalance can arise under STAT4 because of difficulties in getting an accurate estimate for skip-scans. check-in: f4b22a26 user: drh tags: trunk
2014-10-20
16:34
Merge version-3.8.7 changes with this branch. check-in: d380a648 user: dan tags: ota-update
16:24
Have the ota extension perform an incremental checkpoint after generating the wal file. check-in: 0bf1301a user: dan tags: ota-update
2014-10-17
21:35
Fix a (probably harmless) bug in the CSV output mode of the command-line shell. check-in: 19fe4a0a user: drh tags: trunk
12:11
Merge the 3.8.7 changes into the apple-osx branch. check-in: aa7bbed1 user: drh tags: apple-osx
11:53
Merge all version 3.8.7 updates from trunk. check-in: f4de9e07 user: drh tags: sessions
11:24
Version 3.8.7 check-in: e4ab094f user: drh tags: trunk, release, version-3.8.7
2014-10-16
21:39
Work around MSVC not being able to deduce that a local variable was initialized in a called function. check-in: 06c576c1 user: mistachkin tags: trunk
18:34
Changes to work around Win32 and MSVCRT APIs that are not present on Windows CE 200x. check-in: 1418c006 user: mistachkin tags: trunk
11:45
Update the vdbe-compress.tcl script to account for expressions of the form (123>var), where "var" should be replaced with a reference to a union member. check-in: 640345d8 user: dan tags: trunk
2014-10-15
20:02
Fix a problem causing sqlite3changeset_concat() to fail to detect attempts to concatenate patchsets which changesets. check-in: 236704a9 user: dan tags: sessions
19:37
Merge latest trunk changes with this branch. check-in: 1b2824f1 user: dan tags: sessions
15:28
Update releasetest.tcl so that x86-64 runs a superset of the x86 tests. check-in: 3c1e70f4 user: dan tags: trunk
14:45
Fix a problem causing lock5.test to fail in mmap-mode. check-in: b3e7b446 user: dan tags: trunk
11:55
Add a four-byte prefix to the BtShared.pTmpSpace buffer to avoid reading before the beginning of an allocation. check-in: 9386bfca user: drh tags: trunk
11:31
Rearrange an expression in vdbemem.c to avoid a (harmless) reference to a possibly unitialized variable. check-in: 4a7b3fa0 user: dan tags: trunk
2014-10-14
20:25
Make sure new sqlite3_vtab objects created by the xCreate() virtual table method are initialized by the system, in accordance with the documentation. check-in: eab82330 user: drh tags: trunk
17:27
Fix some code duplication issues on this branch. Add minor optimizations to the new code. check-in: 58d7793b user: dan tags: defrag-opt
14:17
Merge from trunk recent micro-optimizations and the fix for the DESC index GROUP BY ORDER BY bug. check-in: 880df756 user: drh tags: apple-osx
13:41
Merge recent trunk micro-optimizations and the DESC index GROUP BY ORDER BY bug fix into the sessions branch. check-in: 83d4114f user: drh tags: sessions
2014-10-13
23:39
Optimize a database corruption test inside of the OP_Column opcode. check-in: 005e5b38 user: drh tags: trunk
20:12
Use the padding word in the Mem object as temporary storage for serial_type value in OP_Record, and thus avoid a redundant computation of the serial_type for each column. check-in: 4b3b65ee user: drh tags: trunk
18:09
Merge trunk changes into this branch. check-in: d5b7c5a8 user: dan tags: defrag-opt
18:03
Further work on balance_nonroot(). check-in: 6594f9b4 user: dan tags: defrag-opt
17:42
Three small optimizations to vdbeaux.c. check-in: 04892f8b user: drh tags: trunk
16:02
Reduce the CPU load imposed by sqlit3VdbeCursorMoveto() by factoring out some of its functions and by avoiding unnecessary calls. check-in: c2799aec user: drh tags: trunk
13:00
Remove the OPFLAG_CLEARCACHE flag from OP_Column. In its place, change the P3 parameter of OP_SorterData to be the index of the pseudo-table cursor whose record header cache is to be cleared. This gives a small size reduction and performance increase. check-in: 20062f49 user: drh tags: trunk
12:30
Use OP_SorterColumns in aggregate queries. Remove OPFLAG_CLEARCACHE. Closed-Leaf check-in: 134e65c0 user: drh tags: OP_SorterColumns
01:23
Add the OP_SorterColumns opcode - an experiment in using a special case opcode to decode the Sorter output rather than the generic OP_Column. This might be faster. And with further work, it could eventually eliminate the need for OP_OpenPseudo. check-in: b9c695e8 user: drh tags: OP_SorterColumns
2014-10-12
22:37
Remove the VdbeCursor.lastRowid cache of the current rowid, since maintaining the correct cache value uses more CPU cycles than just recomputing the rowid on the occasions when it is actually needed. Replace it with the VdbeCursor.aOffset field which used to be computed from VdbeCursor.aType when needed. Saves 100 bytes of code space and runs 0.2% faster. check-in: 91384a7d user: drh tags: trunk
2014-10-11
23:31
Performance optimization and very slight size reduction for OP_Column. check-in: 869c30e4 user: drh tags: trunk
20:00
Attempt to further reduce memcpy() in balance_nonroot(). check-in: fec849dc user: dan tags: defrag-opt
17:22
Simplification to the insertCell() routine in btree.c, resulting in a performance boost and a very small size decrease. It turns out that the extra work involved in sometimes avoiding an memcpy() of the first four bytes of a record takes more time than just unconditionally copying those four bytes. check-in: 66de1558 user: drh tags: trunk
10:52
Require the SQLITE_ENABLE_RTREE compile-time option in speedtest1.c in order to enable the R-Tree tests. check-in: 5d29a033 user: drh tags: trunk
02:12
Make sure that a GROUP BY that also implements an ORDER BY scans the table in the correct order. Fix for ticket [ba7cbfaedc7e6]. check-in: 7a32fdfd user: drh tags: trunk
01:22
Remove an unnecessary conditional from the EXPLAIN QUERY PLAN logic. check-in: c5dc83eb user: drh tags: trunk
2014-10-10
20:52
Account for the ASC/DESC properties of ORDER BY expressions when using the same index for GROUP BY and ORDER BY. Candidate fix for [ba7cbfaedc]. Closed-Leaf check-in: 2a957396 user: dan tags: experimental
19:15
Restrict the scope of the explainIndexRange() function in where.c. check-in: c3012452 user: drh tags: trunk
19:10
Fix a failing test case in index5.test. Also tweak the way cache memory is divided between read-only and dirty pages when using SQLITE_CONFIG_PAGECACHE to reduce IO in some cases. check-in: 8541dfb3 user: dan tags: trunk
18:09
Changes to enable compiling using VC6. check-in: 9ee5686a user: drh tags: trunk
17:47
When using the -config option to releasetest.tcl, default the testing type to "fulltest" if it is not specified on the command line. check-in: cf291cbe user: drh tags: trunk
17:44
Provide the new "-config CONFIG" option to the test/releasetest.tcl script, which allows one to run a single test configuration selected by name. check-in: d479e32b user: drh tags: trunk
17:20
Add the estimated number of output rows to the EXPLAIN QUERY PLAN output if compiled with SQLITE_EXPLAIN_ESTIMATED_ROWS. This feature is off by default for the time being. check-in: daa8314f user: drh tags: trunk
15:47
Simplify the code used to generate the text for EXPLAIN QUERY PLAN. check-in: beea1efc user: drh tags: trunk
15:01
Fix a potential problem in the whereRangeScanEst() routine when STAT4 is active. The problem was introduced by recent enhancements. check-in: 68e1b4de user: drh tags: trunk
13:08
Cause the command-line shell to return non-zero if the final SQL statement is incomplete. check-in: 177fff3b user: drh tags: trunk
12:56
Merge all recent trunk changes. check-in: abfef254 user: drh tags: sessions
2014-10-09
19:35
Change the balance_nonroot() routine to reduce the amount of memcpy work that takes place. This is a work in progress. check-in: 29304499 user: dan tags: defrag-opt
15:08
Allow FTS tokenizers to choose whether or not to consider the "*" character part of tokens or not. This restores the pre-[e21bf7a2ad] behaviour. Also fix a problem causing FTS to interpret tokens beginning with "*" characters as EOF. check-in: 49dfee7c user: dan tags: trunk
14:10
Add a test case for the memory leak fixed by the previous check-in. check-in: bae36d54 user: drh tags: trunk
14:00
Fix a memory leak associated with the FTS4 matchinfo() function. check-in: fb8da824 user: drh tags: trunk
11:40
Record the errno on fstat() failures. check-in: 2a6a0820 user: drh tags: apple-osx
11:27
Merge the latest trunk enhancements into the apple-osx branch. check-in: 6fc72077 user: drh tags: apple-osx
2014-10-08
19:33
Remove an always-true branch in whereRangeScanEst(). Replace it with an assert(). check-in: 42e48fd3 user: drh tags: trunk
15:53
Fix up test cases to account for the new SQLITE_LIMIT_WORKER_THREADS limit. check-in: 6483d426 user: drh tags: trunk
14:28
Set the connection-specific lastRowid value before calling any SQL function. check-in: dff0f642 user: drh tags: trunk
13:34
Ensure that the Pager.pTmpSpace allocation is correct even if an OOM error occurs while reducing the page size. check-in: e4b43967 user: drh tags: trunk