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50 check-ins occurring around 18b2c23ac53d985c.

2018-12-14
03:16
Report corruption when an attempt is made to write a pointer-map page that is also being used as a btree page. Also, fix a bug in fuzzcheck that cause it to overlook a pointer-map bug that was trigger by the fuzzcheck test data, and also fix the pointer-map bug. (check-in: cc42dd1510 user: drh tags: trunk)
03:14
Detect when an attempt is made to write to a pointer map page that is also being used as a btree page and report corruption. (Closed-Leaf check-in: 3036fd71ac user: drh tags: fuzzcheck-fix)
02:29
Fix a bug in the custom in-memory VFS used by fuzzcheck. This bug masks other bugs that should have caused some existing fuzzdata7.db entries to fail, and so this fix is initially on a branch until those other bugs can be repaired. (check-in: e0994e9995 user: drh tags: fuzzcheck-fix)
2018-12-13
22:58
Fix the dbtotxt decoder in the CLI so that it ignores excess bytes. (check-in: 18740bd448 user: drh tags: trunk)
21:52
dbfuzz2 found a NEVER() that is sometimes true. (check-in: 1201615cbb user: drh tags: trunk)
21:11
Add extra tests for database corruption inside the defragmentPage() routine, as dbfuzz2 has found ways for corruption to leak into that point. Add test cases in fuzzdata7.db. (check-in: 997b65117f user: drh tags: trunk)
21:05
Fix a problem in sqlite3BtreeDelete() in which deleting an entry from a corrupt database can leave a btree page with zero cells. (check-in: 682053d1e6 user: drh tags: trunk)
20:49
Add the "decode_hexdb" TCL command to testfixture. Add the dbfuzz001.test module to demonstration how to use decode_hexdb to deserialize a dbtotxt database description for use in a corruption test. (check-in: 1f583c53f3 user: drh tags: trunk)
18:59
Fix the CLI to keep proper track of input line numbers for use in error messages, even after processing in-line hex database inputs using ".open --hexdb". (check-in: 7ffa985816 user: drh tags: trunk)
18:30
Fix the CLI so that the ".open --hexdb" command works even if it is contained in a subscript that is read using ".read". (check-in: 67a87399b8 user: drh tags: trunk)
16:26
Add tests cases for recovery in wal2 mode. (check-in: 34f56f8a42 user: dan tags: wal2)
15:52
Merge the dbtotxt enhancement from trunk. (Closed-Leaf check-in: b386fce9a2 user: drh tags: dbfuzz2-cases)
15:06
Add the "dbtotxt" utility program and the ability to read "dbtotxt" output as a deserialized input database in the CLI, using the --hexdb option to the ".open" command. (check-in: e3bf1d3ea5 user: drh tags: trunk)
12:37
Include OPTS in the build of dbfuzz2. (check-in: eac9c0c496 user: drh tags: trunk)
12:28
Fix the Makefile so that it honors CFLAGS when building sessionfuzz. (check-in: 54231ac4ca user: drh tags: trunk)
03:36
New database corruption test cases discovered by dbfuzz2. The new cases have been added to test/fuzzdata7.db, but have not yet all been fixed, so tests will not currently pass. (check-in: b4210d320c user: drh tags: dbfuzz2-cases)
2018-12-12
21:34
Fix another problem found by Matthew Denton's new fuzzer. (check-in: 2b690dbdff user: drh tags: trunk)
20:39
Add new test file wal2big.test. (check-in: e3e50bcdab user: dan tags: wal2)
20:11
Remove an ALWAYS() from a branch that is not always taken. The test case found by OSSFuzz has been added to TH3. (check-in: 5c7dab8553 user: drh tags: trunk)
19:04
Add tests to ensure that each of the 4 wal read-locks does what it is supposed to. (check-in: 4d5779f31d user: dan tags: wal2)
11:57
OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. (check-in: bc891ac6b6 user: drh tags: branch-3.26)
11:54
Fix a problem with using "<db>-vacuum" (the default) as the state database when resuming an RBU vacuum. (check-in: 6b7567fc0c user: drh tags: branch-3.26)
11:50
Do not use a partial index as a table scan in an IN operator. Fix for ticket [1d958d90596593a77420e59]. (check-in: c1c735a8c6 user: drh tags: branch-3.26)
11:23
OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. (check-in: 23b62fb160 user: drh tags: trunk)
2018-12-11
17:56
Change the way wal2 locks work to ensure a reader only ever has to lock a single slot. (check-in: 18b2c23ac5 user: dan tags: wal2)
13:44
Merge latest trunk changes into this branch. (check-in: d8dd98a39e user: dan tags: wal2)
12:51
Small performance improvement in sqlite3_step(). (check-in: d1db8d5894 user: drh tags: trunk)
12:20
Small performance improvement in the sqlite3_bind() family of interfaces. (check-in: 1dc0c3df32 user: drh tags: trunk)
2018-12-10
20:01
Further refinements to the sqlite3_normalized_sql() interface. TH3 now gives 100% MC/DC on that interface. (check-in: c96bf6cca2 user: drh tags: trunk)
18:15
Refactor the sqlite3_normalized_sql() implementation. (check-in: 06e955e5d2 user: drh tags: trunk)
16:53
Merge latest mutexfree-shmlock changes into this branch. (Leaf check-in: 186b376ec3 user: dan tags: begin-concurrent-pnu-mutexfree-shmlock)
16:52
Make SQLITE_MFS_NSHARD a compile time setting. (check-in: b9a7415190 user: dan tags: mutexfree-shmlock)
16:49
Fix issues with the new normalizer. (Leaf check-in: 057d7d40c5 user: drh tags: normalize-refactor)
16:00
Refactor the sqlite3_normalized_sql() implementation. This is a work-in-progress. There are still issues. (check-in: a4c890b0af user: drh tags: normalize-refactor)
15:58
Merge the latest version of mutexfree-shmlock with this branch. (check-in: 6007abfe09 user: dan tags: begin-concurrent-pnu-mutexfree-shmlock)
15:51
Add extra tests to shmlock.test (direct testing of xShmLock methods). (check-in: d2c785f94c user: dan tags: mutexfree-shmlock)
15:24
Rework the SQLITE_MUTEXFREE_SHMLOCK code to reduce contention. (check-in: d9157dd176 user: dan tags: mutexfree-shmlock)
09:45
Avoid a mutex in-and-out in unixShmBarrier() on this branch. Use __sync_synchronize() instead. (check-in: a8c5fd86ce user: dan tags: mutexfree-shmlock)
09:36
Avoid a mutex in-and-out in unixShmBarrier() on this branch. Use __sync_synchronize() instead. (check-in: 280d1a72dc user: dan tags: begin-concurrent-pnu-mutexfree-shmlock)
08:41
Fix a problem with using "<db>-vacuum" (the default) as the state database when resuming an RBU vacuum. (check-in: c878d74173 user: dan tags: trunk)
02:00
Merge enhancements from trunk. (check-in: b1bbc718c7 user: drh tags: apple-osx)
01:48
Add support for the VACUUM INTO command. (check-in: 77f150b8b4 user: drh tags: trunk)
00:41
Fix the shell1.test test for the new format of the .backup command. (Closed-Leaf check-in: 9748d7995b user: drh tags: vacuum-into)
00:40
Merge fixes from trunk. (check-in: ab1e58fac9 user: drh tags: vacuum-into)
2018-12-09
18:55
New test case for ticket [1d958d90596593a77420e59]. (check-in: b7bf3c9832 user: drh tags: trunk)
2018-12-08
20:30
Do not use a partial index as a table scan in an IN operator. Fix for ticket [1d958d90596593a77420e59]. (check-in: 15bc915dd7 user: drh tags: trunk)
01:09
Add the --async option to the ".backup" command in the CLI. (check-in: 7b6a605b18 user: drh tags: vacuum-into)
00:43
Allow the INTO clause of VACUUM to be a text-valued expression. (check-in: af172b53b4 user: drh tags: vacuum-into)
2018-12-07
23:48
Do not allow VACUUM INTO into a file that already exists. (check-in: 92f70e0fa3 user: drh tags: vacuum-into)
20:40
Merge the VACUUM simplification from trunk. (check-in: 93d92a0a5d user: drh tags: vacuum-into)