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50 check-ins occurring around 27392118af4c38c5.

2013-12-09
19:25
Minor performance optimizations in pager.c. check-in: ba9eef5f52 user: drh tags: trunk
19:03
Performance optimizations for sqlite3VXPrintf(). check-in: 9227ad48e1 user: drh tags: trunk
12:24
Fix an incorrect test number in the output of the speedtest1.c program. No changes to the test algorithms. check-in: fbfc075a5a user: drh tags: trunk
03:07
Avoid unnecessary (no-op) calls to sqlite3DbFree() from sqlite3VdbeMemRelease(). check-in: 2d6dd7c2eb user: drh tags: trunk
02:32
Use memmove() rather than a home-made copy loop in insertCell() too. check-in: a3d796b167 user: drh tags: trunk
01:58
Use memmove() rather than a home-made copy loop in dropCell() of btree.c, for a size reduction and performance improvement. check-in: 78e1706804 user: drh tags: trunk
01:04
Avoid unnecessary no-op calls from getAndInitPage() to btreeInitPage() in the btree.c logic. check-in: 81f5ae13b2 user: drh tags: trunk
00:47
Use putVarint32() instead of putVarint() for a quantity that can never exceed 2GiB - 1. check-in: 6996fb3444 user: drh tags: trunk
2013-12-08
23:33
Another simplification to the OP_MakeRecord opcode, making it slightly faster and very slightly smaller. check-in: f2f5a3ce9d user: drh tags: trunk
22:59
Avoid unnecessary calls to sqlite3VarintLen() from the OP_MakeRecord opcode. check-in: 7a234fc3c5 user: drh tags: trunk
19:54
Interchange two conditions in an "if" statment in sqlite3PagerAcquire() for very slight (0.06%) overall performance increase. check-in: fbcc1a3ebb user: drh tags: trunk
2013-12-07
23:35
Do not allow cursor hints to use expressions containing subqueries. This change fixes the problem seen in the previous check-in. check-in: bfefc57554 user: drh tags: cursor-hints
20:39
If the SQLITE_ENABLE_CURSOR_HINTS macro is defined, then invoke the sqlite3BtreeCursorHint() interface to provide hints to the storage engine about rows that need not be returned. Hints can be disabled using SQLITE_TESTCTRL_OPTIMIZATIONS with SQLITE_CursorHints (0x2000). Cursor hints are not used by the built-in storage engine of SQLite but might be useful to applications that provide their own storage engine. The current code is work-in-progrss and contains bugs. check-in: 3a9bec524e user: drh tags: cursor-hints
17:01
Increase the version number to 3.8.3. check-in: 23d00f2287 user: drh tags: trunk
16:56
At the start of each journaled write transaction, check to see if the database file has been moved, and if it has refuse to start the transaction, returning an SQLITE_READONLY_DBMOVED error code. Writing to a moved or renamed database is still allowed when journal_mode is OFF or MEMORY. check-in: 369a23e006 user: drh tags: trunk
16:45
Back out the new device capability. The determination of whether or not a file has moved is now done strictly using a file-control. Closed-Leaf check-in: 9c59f5af7a user: drh tags: detect-moved-db
12:29
Actually look at i-node numbers to determine whether or not the database file has moved. check-in: 2b1884dc14 user: drh tags: detect-moved-db
2013-12-06
23:25
Performance optimization to the moveToRoot() subroutine in btree.c. check-in: b5842a70f8 user: drh tags: trunk
22:45
Use memcmp() instead of the BINARY collating function where possible, for a performance boost. check-in: c5a3a1af3c user: drh tags: trunk
22:44
Remove some commented-out code from sqlite3BtreeMovetoUnpacked() to try to make it more readable. check-in: 2d62d1131f user: drh tags: trunk
19:58
Add the SQLITE_READONLY_DBMOVED error code to the sqlite3ErrName() function. check-in: 7789f801d7 user: mistachkin tags: detect-moved-db
17:23
Only error out on a database file move when attempting to start a write transaction. Assume read transactions are still safe. And make the error SQLITE_READONLY_DBMOVED instead of SQLITE_IOERR_NODB. check-in: 28348f2ada user: drh tags: detect-moved-db
15:49
Update to the 3.8.2 release. check-in: e579661a79 user: drh tags: sessions
15:37
Add code to detect if the database file is moved or deleted out from under SQLite and return an SQLITE_IOERR_NODB. check-in: 8759a8e4d8 user: drh tags: detect-moved-db
14:53
Version 3.8.2 check-in: 27392118af user: dan tags: trunk, release, version-3.8.2
2013-12-05
17:12
Fix harmless compiler warnings and improve the MSVC makefile. check-in: c632567063 user: drh tags: trunk
16:41
Fix two potential (and apparently harmless) shift overflows discovered by the -fcatch-undefined-behavior option of clang. check-in: e19eead8c9 user: drh tags: trunk
2013-12-03
23:33
Make use of the CC nmake macro even when cross-compiling (with MSVC). Closed-Leaf check-in: aae7b30ebd user: mistachkin tags: memTests
22:33
Fix harmless compiler warnings. check-in: a12d214ecc user: mistachkin tags: memTests
22:32
Add memory subsystem related defines to the compile-time options list. check-in: 52a44146dd user: mistachkin tags: memTests
20:51
Merge in trunk changes. check-in: a2914d6b17 user: drh tags: sessions
19:49
Remove a branch in STAT4 logic that is no longer reachable after the previous change. check-in: eca7d3f161 user: drh tags: trunk
19:16
Fix a possible (and probably harmless) uninitialized variable in STAT3/4. check-in: 33ad4f9147 user: drh tags: trunk
18:26
Fix an alignment problem in the stat3/stat4 code affecting 32-bit platforms. check-in: 14f9bc7901 user: dan tags: trunk
17:09
Fix a typo in fts3varint.test preventing the valgrind permutation test from running. check-in: b654a4ec72 user: dan tags: trunk
10:35
Modify test file conflict2.test so that it works with the "inmemory_journal" permutation. check-in: e4164fd8f7 user: dan tags: trunk
10:14
Remove an unnecessary branch from the UPDATE logic - one that was also unreachable except following an OOM on x64. check-in: 72f9727714 user: drh tags: trunk
09:49
Add a "database_may_be_corrupt" directive to test file fuzz3.test. Reformat an assert() statement in vdbeaux.c to make its intent clearer. check-in: 9d8a0e1321 user: dan tags: trunk
02:52
Change some unreachable test conditions to NEVER(). check-in: 7d99858bec user: drh tags: trunk
00:11
Fix a harmless compiler warning on MacOS. check-in: 74328de1d7 user: drh tags: trunk
2013-12-02
21:58
Merge all recent 3.8.2 beta changes from trunk. check-in: 67c34ccfa9 user: drh tags: sessions
21:25
Another #if SQLITE_VERSION_NUMBER macro in speedtest1.c for compatibility with older versions of SQLite. check-in: bc8eacc7f7 user: drh tags: trunk
01:24
Still more #if SQLITE_VERSION_NUMBER macros in test/speedtest1.c to enable compilation against older versions of SQLite. check-in: 4b20cf4206 user: drh tags: trunk
2013-12-01
18:10
Add some #if SQLITE_VERSION_NUMBER macros to test/speedtest1.c in order to make it compatible with older versions of SQLite so that it can be used for historical speed comparisons. check-in: a9e1627ae7 user: drh tags: trunk
01:18
Fix typos in the header comment on the sqlite3Atoi64() routine. check-in: c85e0c546e user: drh tags: trunk
2013-11-30
12:49
Detect a corrupt UnpackedRecord and return SQLITE_CORRUPT prior to calling sqlite3BtreeMovetoUnpacked(). check-in: 55ec474db8 user: drh tags: trunk
2013-11-29
15:39
Change the name of the CORRUPTIBLE macro to CORRUPT_DB. check-in: f865be10e8 user: drh tags: trunk
15:06
Add a new sqlite3_test_control() that indicates that database files are always well-formed. Use this during testing to enable assert() statements that prove conditions that are always true for well-formed databases. check-in: 15e4f63d1f user: drh tags: trunk
2013-11-28
19:28
Update a few test cases to account for the new error message formats. check-in: 65a5bce3ff user: dan tags: trunk
14:14
Remove an assert() condition that may not be true if the database file is corrupt. Update a test case in corruptC.test. check-in: 0bcf75516f user: dan tags: trunk