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100 check-ins occurring around a9d007494cfe30a2.

2016-05-05
23:09
Finished implementation compiles, but untested. check-in: aeb88bdf user: drh tags: scrub-backup
17:15
Initial check-in of the "scrub.exe" utility program prototype. Not yet fully functional. In particular, no scrubbing is done. check-in: bdf2ec77 user: drh tags: scrub-backup
11:53
Renumber internal constants in the printf() implemention for a small performance improvement. check-in: 69d11447 user: drh tags: trunk
2016-05-04
21:06
Disable the session extension API if SQLITE_ENABLE_SESSION is not defined. check-in: 71af9ac1 user: drh tags: trunk
19:04
Fix typo in comment. No changes to code. check-in: 6c43ba1c user: mistachkin tags: trunk
14:45
Only disable the one-pass DELETE optimization if the WHERE clause contains a correlated subquery. Uncorrelated subqueries are allowed. This is a refinement of check-in [3f221f592a9a1] that is the fix for ticket [dc6ebeda9396087]. check-in: aae38969 user: drh tags: trunk
14:20
Portability enhancements to the configure script on the amalgamation tarball. check-in: 7184c4b8 user: drh tags: trunk
11:28
Disable the PagerDontWrite() optimization for temp tables. It can cause database corruption if a page passed to PagerDontWrite() is dirty at the start of a transaction that is subsequently rolled back. check-in: 6341ab2f user: dan tags: trunk
2016-05-03
19:40
Minor style tweaks in the MSVC makefile. check-in: 1b43358f user: mistachkin tags: trunk
19:36
Add the experimental SQLITE_FCNTL_WIN32_GET_HANDLE file control. Leaf check-in: b6ddabe1 user: mistachkin tags: win32GetHandle
14:57
The session extension is disabled by default. To enable it using --enable-session on ./configure on unix and add SESSION=1 to the nmake on Windows. Or add -DSQLITE_ENABLE_SESSION and -DSQLITE_ENABLE_PREUPDATE_HOOK to build manually. check-in: bcaa650e user: drh tags: trunk
13:14
Turn the session extension off by default. Enable using --enable-session on configure scripts, or using the SESSION=1 argument to nmake on Windows. Closed-Leaf check-in: e462cde2 user: drh tags: session-make
02:43
Fix the build when SQLITE_ENABLE_DATA_PROTECTION is defined. check-in: 8f05e140 user: drh tags: apple-osx
00:04
Avoid left-shifts of signed integers. check-in: 0715ce16 user: drh tags: trunk
2016-05-02
19:05
Remove some randomness from test script temptable2.test. check-in: 5830cf72 user: dan tags: trunk
16:59
Fix a test case in temptable2.test so that it works on systems that lack a coherient cache (ex: OpenBSD) and thus do not support the "PRAGMA mmap_size" command. check-in: 088cf838 user: drh tags: trunk
15:00
Merge enhancements and bug fixes from trunk. check-in: f52765ee user: drh tags: apple-osx
13:57
Fix harmless LLVM compiler warnings in the srcck1.c utility program used during the build process. check-in: e4af9675 user: drh tags: trunk
12:18
Disable the multi-row one-pass DELETE optimization when the WHERE clause contains a subquery. Fix for ticket [dc6ebeda9396087]. check-in: 3f221f59 user: drh tags: trunk
10:25
Improvements to the way the LIKE optimization is implemented, resulting in slightly smaller and faster code that is easier to test. check-in: 54c63b32 user: drh tags: trunk
2016-04-30
19:23
Change the way tester.tcl handes $argv so that in "permutations.test <permutation> <filename>" <filename> may be the name of any file in the test/ directory. check-in: 820c57bb user: dan tags: trunk
18:10
Remove an unnecessary branch from the OP_String8 opcode. check-in: 459a0b45 user: drh tags: trunk
17:19
More bug fixes to Lemon identified by Kelvin Sherlock. None of these have any impact on SQLite. check-in: 762bdc55 user: drh tags: trunk
02:59
Simplifications to the OP_Halt opcode implementation. check-in: daf4630f user: drh tags: trunk
2016-04-29
20:30
Fix the temporary directory search algorithm for unix so that it fails gracefully even if all candidate directories are inaccessible. This fixes a bug that was introduced by check-in [9b8fec60d8e]. check-in: 614bb709 user: drh tags: trunk
17:07
Fix the nolock VFS so that it supports shared memory. check-in: ce11f8e8 user: drh tags: apple-osx
16:01
Merge the latest enhancements from trunk. check-in: 91e5c07e user: drh tags: begin-concurrent
15:52
Merge enhancements from trunk, and in particular the TEMP file deferred I/O enhancements. check-in: 81b76901 user: drh tags: apple-osx
15:39
Postpone I/O associated with TEMP files for as long as possible, with the hope that the I/O can ultimately be avoided completely. check-in: 9d0a5ae0 user: drh tags: trunk
14:12
Fix test script temptable2.test so that it works with the "inmemory_journal" and "journaltest" permutations. Closed-Leaf check-in: b7bec7f2 user: dan tags: tempfiles-25
11:35
Merge latest trunk changes, including test case fixes, with this branch. check-in: 99794aca user: dan tags: tempfiles-25
11:33
Modify the permutations.test script so as to set any permutation specific configuration values before running each individual test script. Fix a mostly harmless buffer overread in the sessions module. check-in: 4cbd5024 user: dan tags: trunk
11:28
Lemon bug fix: Do not merge action routines unless their destructors are also identical. Problem and suggested fix reported on the mailing list by Kelvin Sherlock. check-in: 4792d6db user: drh tags: trunk
10:13
Fix an almost entirely harmless buffer overread in the sessions module. Closed-Leaf check-in: 89b0ee33 user: dan tags: permutations-fix
02:55
Some optimization comments added to vdbe.c. No functional changes to code. check-in: e7c22e3b user: drh tags: trunk
2016-04-28
22:29
Further simplifications and improved commentting on the rowset.c module, including several optimization comments. check-in: 9f15a520 user: drh tags: trunk
20:11
Comment changes only: Add several optimization marks in rowset.c. Add a header comment that explains what the various special comments mean. check-in: 8cdbe89a user: drh tags: trunk
19:23
Fix typo in comment. No changes to code. check-in: 9f6f17b5 user: mistachkin tags: trunk
18:53
Rearrange some code in the RowSet logic for clarity of presentation, while adding an /*OPTIMIZATION-IF-TRUE*/ comment. It should operate identically. check-in: 5748e643 user: drh tags: trunk
14:59
Merge latest changes from trunk with this branch. check-in: 45467ee4 user: dan tags: permutations-fix
14:54
Avoid running sessionfault.test and sessionfault2.test as part of the "inmemory_journal" permutation. check-in: 5973d3bf user: dan tags: permutations-fix
14:15
Use comments to mark several branches as optimizations. No changes to code. check-in: 33e62747 user: drh tags: trunk
09:53
Ensure that quota.test deletes the directory named "test.db" that it creates. check-in: 045edd4b user: dan tags: permutations-fix
03:52
Remove an unnecessary conditional from the sqlite3DecOrHexToI64() routine. check-in: fcf85bfe user: drh tags: trunk
00:32
Change the sqlite3Atoi64() routine so that it returns failure if not all of the input characters are consumed, even if it consumed all characters up to the first 0x00. This has no impact on external APIs as far as I can tell. check-in: 46d4ffff user: drh tags: trunk
2016-04-27
18:54
Modify the permutations.test script so as to set any permutation specific configuration values before running each individual test script. check-in: 2662d8fe user: dan tags: permutations-fix
15:24
More simplification of the sqlite3AtoF() routine. Add special comments to indicate branches that are for optimization purposes only and that give the correct answer even if always or never taken. check-in: 0065fe97 user: drh tags: trunk
11:24
Fix a couple of test script problems on this branch. Both related to the fact that temp database page sizes can no longer be changed by VACUUM or the backup API after the temp db is populated. check-in: 6bb5aa2b user: dan tags: tempfiles-25
02:35
Remove still more unnecessary branches from sqlite3AtoF(). check-in: 3adfe9f3 user: drh tags: trunk
2016-04-26
23:14
Further simplifications to sqlite3AtoF() to remove unneeded branches. check-in: dd69e53c user: drh tags: trunk
21:02
Remove an unnecessary line from the sqlite3AtoF() routine. check-in: a9d00749 user: drh tags: trunk
18:58
The pcache and the built-in VFSes should not use mutexes when SQLITE_CONFIG_SINGLETHREAD is set. check-in: 12418b10 user: drh tags: trunk
17:10
Fix an issue in temptable2.test preventing it from working with SQLITE_DEFAULT_AUTOVACUUM=1 builds. check-in: e790aac0 user: dan tags: tempfiles-25
16:03
Merge the checksymbols fix from trunk into this branch. check-in: 04911cee user: dan tags: tempfiles-25
13:13
Fix the "checksymbols" target in Makefile.in to be able to deal with the sqlite3changegroup family of interfaces. check-in: d819bfbd user: drh tags: trunk
2016-04-25
22:39
Add an sqlite3FaultSim() all to make it easier to simulate IO errors in a VACUUM commit. check-in: 8bfde416 user: drh tags: tempfiles-25
19:28
Remove an obsolete comment from the pager. No code changes. check-in: 36f97ca8 user: drh tags: tempfiles-25
19:25
Update the RBU vacuum code so that databases that use custom collation sequences can be vacuumed. check-in: 7dd48c10 user: dan tags: trunk
19:20
Fix some unreachable branches in the pager. check-in: 3ae44770 user: drh tags: tempfiles-25
15:03
Merge bug fix from trunk. check-in: a905d5e0 user: drh tags: tempfiles-25
02:20
When checking for the WHERE-clause push-down optimization, verify that all terms of the compound inner SELECT are non-aggregate, not just the last term. Fix for ticket [f7f8c97e97597]. check-in: ec215f94 user: drh tags: trunk
01:43
Fix a typo in the Makefile. check-in: d0a579b3 user: mistachkin tags: trunk
2016-04-23
21:16
Merge the temporary directory search algorithm fix from trunk. check-in: 9b8fec60 user: drh tags: tempfiles-25
20:59
Fix the fix to the temporary directory search algorithm so that it continues to return "." as a fallback if that directory has the correct permissions. check-in: b38fe522 user: drh tags: trunk
19:55
Merge the latest trunk changes. check-in: 84da122d user: drh tags: tempfiles-25
17:24
Fix a problem with mixing temp-files and mmap-mode. check-in: c80c5c62 user: dan tags: tempfiles-25
14:55
Fix some problems to do with temp-file databases and recovering from IO and SQLITE_FULL errors. check-in: 3d61da4a user: dan tags: tempfiles-25
2016-04-21
23:37
Change the temporary directory search algorithm on unix so that directories with only -wx permission are allowed. And do not allow "." to be returned if it lacks -wx permission. check-in: 67985761 user: drh tags: trunk
18:13
Add the sqlite3rbu_vacuum() API, to create an RBU handle that can be used to rebuild a database in the same way as the VACUUM command. check-in: bd4a6f83 user: dan tags: trunk
16:44
If a call to sqlite3rbu_close() on an rbu handle opened by sqlite3rbu_vacuum() returns other than SQLITE_OK, delete the contents of the rbu_state table. This ensures that if an RBU vacuum operation either completes successfully or encounters an error, the next call to sqlite3rbu_vacuum() with the same parameters starts a new RBU vacuum operation. Closed-Leaf check-in: 6e4ac704 user: dan tags: rbu-vacuum
15:44
Merge the latest changes from trunk. Closed-Leaf check-in: 8183fa68 user: drh tags: skip-ahead-distinct
15:35
Merge all recent enhancements from trunk. check-in: a15c49ae user: drh tags: apple-osx
15:26
Fix a problem in rbu vacuum on tables with a large sqlite_master table. check-in: 23eac52e user: dan tags: rbu-vacuum
15:24
Add a function prototype in order to fix a compiler warning. check-in: 49aec971 user: drh tags: tempfiles-25
15:03
Merge updates from trunk. check-in: cc28106e user: drh tags: tempfiles-25
02:27
Add the SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION method for enabling sqlite3_load_extension() while leaving the load_extension() SQL function disabled. check-in: c4f165c4 user: drh tags: trunk
01:58
Test cases for SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION. Closed-Leaf check-in: debafa5e user: drh tags: load-ext-security
01:30
Revert sqlite3_enable_load_extension() to its original long-standing behavior. Add SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION which will enable only the C-API and leave the SQL function disabled. check-in: b2ae5bfa user: drh tags: load-ext-security
2016-04-20
20:08
Add a documentation comment for sqlite3rbu_vacuum() to sqlite3rbu.h. check-in: da5c753d user: dan tags: rbu-vacuum
19:30
When an error occurs while transitioning out of WAL mode, make sure the locking state is not left at EXCLUSIVE. check-in: 3340f086 user: drh tags: trunk
18:31
Fix a locking race condition in Windows 10 that can occur when two or more processes attempt to recover the same hot journal at the same time. check-in: 38a4e9d9 user: drh tags: trunk
17:47
Add fault injection tests for rbu vacuum. Fix some problems revealed by the same. check-in: f042fdd1 user: dan tags: rbu-vacuum
12:16
Merge all recent enhancements from trunk. check-in: 1f709fbf user: drh tags: begin-concurrent
00:30
API Change: Modify sqlite3_enable_load_extension() so that it only enables/disables the load_extension() SQL function, and leaves the C-APIs enabled at all times. In this way, applications can enable extension loading for the C interface without having to expose that capability to the SQL. check-in: edb454e4 user: drh tags: load-ext-security
2016-04-19
19:27
Updates to ensure the values of PRAGMA settings like "page_size", "auto_vacuum", "user_version" and "application_id" are not lost when a database is RBU vacuumed. check-in: 74ffea76 user: dan tags: rbu-vacuum
17:11
When an RBU vacuum is started on a db identified using a URI filename, pass the same URI parameters when creating the new version of the db. This ensures that RBU vacuum works with password protected databases. check-in: ca021ba8 user: dan tags: rbu-vacuum
16:20
Detect attempts to use rbu vacuum on a wal mode database (not allowed). And attempts to write to a database in the middle of an rbu vacuum (which prevents the vacuum from resuming). check-in: 00b2f4b0 user: dan tags: rbu-vacuum
2016-04-18
21:00
Another fix to rbu vacuum for a zipvfs case. check-in: 29407d70 user: dan tags: rbu-vacuum
18:18
Fix some zipvfs related problems in RBU vacuum. check-in: d76f4aaa user: dan tags: rbu-vacuum
17:30
Version 3.12.2 Leaf check-in: 92dc59fd user: drh tags: release, branch-3.12.0, version-3.12.2
16:18
Correctly interpret negative "PRAGMA cache_size" values when determining the cache-size used for sorting large amounts of data (i.e. the functionality in vdbesort.c). check-in: 39dd67af user: drh tags: branch-3.12.0
16:12
Fix a problem in the code generator for joins on virtual tables where the outer loop of the join uses the IN operator. check-in: a2cf4968 user: drh tags: branch-3.12.0
16:06
Fix the sqlite3BtreeDelete() routine so that it preserves the correct key even when the row being deleted is not on a leaf page. Fix for ticket [a306e56ff68b8fa56] check-in: 368e86c7 user: drh tags: branch-3.12.0
15:59
Increase the version number to 3.12.2. check-in: 9c37e9ce user: drh tags: branch-3.12.0
15:54
Remove quotes from identifiers used as datatype names in a CREATE TABLE statement. Fix for ticket [7d7525cb01b68] check-in: ab9d279f user: drh tags: branch-3.12.0
15:46
Remove quotes from identifiers used as datatype names in a CREATE TABLE statement. Fix for ticket [7d7525cb01b68] check-in: eba27d4d user: drh tags: trunk
13:36
Merge recent trunk changes. check-in: d9768de5 user: drh tags: tempfiles-25
13:30
sqlite3PCachePerecentDirty() should return 0 if the pcache is empty. check-in: 85f3d80e user: drh tags: tempfiles-25
13:09
The last parameter to pread64() and pwrite64() should be off64_t, not off_t. check-in: 3a7d7298 user: drh tags: trunk
09:17
Add the -vacuum switch to the "rbu" demonstration program. check-in: 9a0078a5 user: dan tags: rbu-vacuum