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100 check-ins occurring around 64e567009dd56ef5.

2017-12-16
19:36
Add the sqlite3_vtab_collation() function, which allows an xBestIndex callback to determine the collation sequence that SQLite will use for a comparison. And the SQLITE_DBCONFIG_FULL_EQP configuration option, which enhances the output of "EXPLAIN QUERY PLAN" so that it includes statements run by triggers. And the code for the sqlite3_expert extension and command line application. (check-in: 4c782c95 user: dan tags: trunk)
19:16
Merge latest trunk changes into this branch. (Closed-Leaf check-in: d5b597b5 user: dan tags: schemalint)
19:11
Do not use the compress() and uncompress() functions in ext/misc/compress.c - they are not quite compatible with the spec. Instead use new functions in ext/misc/sqlar.c. (check-in: 7652b3c2 user: dan tags: sqlar-shell-support)
04:37
Add unnecessary initializations to some local variables in the rtree module to suppress false-positive compiler warnings coming out of MSVC. (check-in: 64487d65 user: drh tags: trunk)
2017-12-15
20:21
Enhance the "swarmvtab" extension. See header comments in ext/misc/unionvtab.c for details. (check-in: 01c17365 user: dan tags: trunk)
12:22
In the LEMON parser generator, provide reduce actions with access to the lookahead token. (check-in: 42af190f user: drh tags: trunk)
2017-12-14
19:24
Fixes to the appendvfs.c extension. Add the "sqltclsh" application that uses appendvfs.c to find its scripts. (check-in: ee248b52 user: drh tags: appendvfs)
19:15
Have the writefile() function optionally set the modification-time of the files it writes or creates. And many small fixes to the new code on this branch. (check-in: 7b51269c user: dan tags: sqlar-shell-support)
16:57
The "apndvfs" VFS shim now appears to be working for both reads and writes. (check-in: 7f7b72d8 user: drh tags: appendvfs)
16:28
Add the ability to write to an appended database. This check-in compiles but is otherwise untested. (check-in: e343c63c user: drh tags: appendvfs)
15:40
Improve error and usage messages output by the shell ".ar" command. (check-in: b9d2d5d9 user: dan tags: sqlar-shell-support)
14:50
Bring in the latest trunk changes. (check-in: 75d85177 user: drh tags: appendvfs)
13:55
Merge latest trunk changes into this branch. (check-in: 803156cb user: dan tags: sqlar-shell-support)
2017-12-13
23:47
In valueFromExpr() only generate a OOM fault if there have been no prior faults. (check-in: 3765aaf7 user: drh tags: trunk)
22:42
Add support for the 'lsm1.c' target in the MSVC makefile. (check-in: 6de21dea user: mistachkin tags: trunk)
20:35
An improved way of generating the SQLITE_READONLY_DIRECTORY error. The error message submitted to sqlite3_log() is still correct this way. (check-in: 1c0aa919 user: drh tags: trunk)
20:17
Add the shell tool ".ar --update" command. (check-in: 825e3c03 user: dan tags: sqlar-shell-support)
20:04
Add support for the "--list" command. And for arguments to the "--extract" command. (check-in: 32c4fa25 user: dan tags: sqlar-shell-support)
20:02
New result code SQLITE_READONLY_DIRECTORY is returned when an attempt is made to write on a database file that is in a read-only directory and hence the journal file could not be created. This situation formerly returned SQLITE_CANTOPEN, which less helpful. (check-in: 3ec73c38 user: drh tags: trunk)
18:01
Correctly invalidate a column cache line when it is overwritten with NULL. Fix for ticket [123c9ba32130a6c9d432]. (check-in: 65754dc3 user: drh tags: trunk)
15:32
Change some LSM code internal typenames from "Blob" and "Pgno" to "LsmBlob" and "LsmPgno". This allows the LSM code to be compiled as a single unit with sqlite3.c. (check-in: 30bf38d5 user: dan tags: trunk)
14:22
Add script to amalgamate all LSM files into "lsm1.c". (check-in: e32b69d7 user: dan tags: trunk)
10:11
Minor enhancement to two assert() statements in the default VFSes. (check-in: 9cede8a8 user: drh tags: trunk)
2017-12-12
20:28
Add tests and fixes for the shell ".ar" command -f option. (check-in: 1a986797 user: dan tags: sqlar-shell-support)
20:04
Add support for parsing options in non-traditional tar form to the ".ar" command. Have writefile() attempt to create any missing path components. And not to throw an exception if it is called to create a directory that already exists. (check-in: 38dbeb1e user: dan tags: sqlar-shell-support)
18:17
Merge latest begin-concurrent changes into this branch. (check-in: 3fde0b4d user: dan tags: begin-concurrent-pnu)
2017-12-11
20:22
Enhance virtual table "fsdir" in ext/misc/fileio.c. Add support for "-C" to the shell command's ".ar c" command. (check-in: 0394889a user: dan tags: sqlar-shell-support)
17:20
Fix a buffer overwrite in fts5 that could occur when processing a prefix query. (check-in: 92fc146b user: dan tags: trunk)
14:02
Abort on an invalid paramater to sqlite3BitvecSet(). (check-in: 163c8709 user: drh tags: begin-concurrent)
2017-12-09
18:28
Add support for -C to ".ar x". (check-in: 8cd70960 user: dan tags: sqlar-shell-support)
17:58
Improve parsing of ".ar" commands. Add new test file for the same. (check-in: 840401cc user: dan tags: sqlar-shell-support)
01:02
Fix a harmless API signature mismatch in the unix VFS. (check-in: bab9de7f user: drh tags: trunk)
2017-12-08
19:37
The query planner tries to avoids using indexes that use unknown collating functions. (check-in: 02013fc1 user: drh tags: trunk)
16:23
Add compile time switch SQLITE_ENABLE_ICU_COLLATIONS. For enabling ICU collations without also enabling the tokenizer, the LIKE operator, the REGEXP operator, or the unicode aware upper()/lower() scalar functions. (check-in: a079f914 user: dan tags: trunk)
14:07
Make sure the bComplex variable in sqlite3DeleteFrom() is initialized when compiling with -DSQLITE_OMIT_TRIGGER. (check-in: e526d0c4 user: drh tags: trunk)
2017-12-07
22:10
When doing a table scan using an index, do not error out if collating functions used by that index are unavailable, since they will not be used. (check-in: bbd69fa6 user: drh tags: trunk)
22:04
Fix typo in comment. No changes to code. (check-in: 95958b60 user: mistachkin tags: trunk)
21:03
Add the ".ar x" command to the shell. For extracting the contents of sqlar archives. (check-in: 0cc699d1 user: dan tags: sqlar-shell-support)
16:51
Fix harmless compiler warnings in the rot13 extension. (check-in: 11347077 user: drh tags: trunk)
15:44
Begin adding support for the sqlar archive format to shell.c. There is no "extract" command so far, only "create". (check-in: c9827a01 user: dan tags: sqlar-shell-support)
13:15
Updates to the main README.md file. (check-in: 6bfafc35 user: drh tags: trunk)
2017-12-06
20:50
Fix an unreachable branch in cases when SQLITE_ENABLE_STAT4 is not defined. (check-in: 6a55bd67 user: drh tags: trunk)
2017-12-05
19:07
For MSVC, simplify default locations for Tcl and ICU by using directories inside 'compat'. (check-in: 8155b5ac user: mistachkin tags: sqlar-shell-support)
18:54
Add support for including zlib in the shell when compiling with MSVC. (check-in: e1838cee user: mistachkin tags: sqlar-shell-support)
18:32
If SQLITE_HAVE_ZLIB is defined at build-time, include the functions in ext/misc/compress.c in the shell. (check-in: 0296286a user: dan tags: sqlar-shell-support)
15:00
Merge latest trunk changes, including the compilation fix for builds that define both SQLITE_ENABLE_MULTITHREADED_CHECKS and SQLITE_ENABLE_API_ARMOUR. (check-in: 2cb5d2a9 user: dan tags: apple-osx)
14:58
Fix a compilation problem when both SQLITE_ENABLE_MULTITHREADED_CHECKS and SQLITE_ENABLE_API_ARMOUR are defined. (check-in: 0342ce51 user: dan tags: trunk)
2017-12-01
18:40
Fix the ".lint fkey-indexes" shell command so that it works with WITHOUT ROWID tables. (check-in: 5771b1d6 user: dan tags: trunk)
2017-11-30
11:21
Fix some minor problems in test scripts. (check-in: 4c551fde user: dan tags: trunk)
07:56
Merge latest trunk changes, including the fixes for test file walprotocol.test. (check-in: b425b998 user: dan tags: apple-osx)
07:55
Update test file walprotocol.test to account for the changes in the wal locking protocol. (check-in: 64e56700 user: dan tags: trunk)
2017-11-29
16:16
Merge latest trunk changes into this branch. (check-in: 373fa21b user: dan tags: schemalint)
2017-11-28
20:43
Fix an assertion fault found by OSSFuzz. (check-in: 75d69987 user: dan tags: trunk)
13:48
Merge the snapshots-always-lock-the-wal-file change into this branch. (check-in: 3ec976e0 user: dan tags: apple-osx)
13:39
Lock the wal file for all snapshot transactions, even if they would not otherwise require this, preventing checkpointers and writers from wrapping the wal file. This means that if one connection has an open snapshot transaction it is guaranteed that a second connection can open a transaction on the same snapshot. (check-in: b81a3149 user: dan tags: trunk)
08:08
Merge latest trunk changes, including the SQLITE_ENABLE_MULTITHREADED_CHECKS feature, into this branch. (check-in: 1fd10349 user: dan tags: apple-osx)
07:52
Add experimental feature to detect threading bugs in apps that use SQLITE_CONFIG_MULTITHREADED. Enabled at compile time using SQLITE_ENABLE_MULTITHREADED_CHECKS. (check-in: 40b598c8 user: dan tags: trunk)
07:47
Use a symbolic constant instead of a literal (-1) to identify a warn-on-contention mutex. (Closed-Leaf check-in: 12a23c0a user: dan tags: multithreaded-checks)
02:47
Add the "PRAGMA table_ipk(TABLE)" command for evaluation purposes. (Leaf check-in: 2494132a user: drh tags: pragma-table-ipk)
00:52
Update tests to deal with SQLITE_FAST_SECURE_DELETE. (check-in: e6b89304 user: drh tags: trunk)
2017-11-27
17:56
Fix a faulty NEVER assert() that could fail for SQLITE_ENABLE_STAT4 builds that use foreign keys. (check-in: 465350e5 user: dan tags: trunk)
2017-11-26
02:14
Fix an CSV output quoting problem in the command-line shell on Windows. (check-in: 6500cdbd user: drh tags: trunk)
2017-11-25
21:09
Fix builds with both SQLITE_ENABLE_MULTITHREADED_CHECKS and SQLITE_THREADSAFE=0 defined. (check-in: 7d0b12fc user: dan tags: multithreaded-checks)
17:51
Add experimental feature to detect threading bugs in apps that use SQLITE_CONFIG_MULTITHREADED. Enabled at compile time using SQLITE_ENABLE_MULTITHREADED_CHECKS. (check-in: a66886ac user: dan tags: multithreaded-checks)
2017-11-24
19:24
Add the "^" syntax from fts3/4 to fts5. (check-in: 24d7058e user: dan tags: trunk)
16:55
Enhance the configure script to detect zLib. (check-in: e3b6e220 user: drh tags: trunk)
2017-11-23
04:45
Fix a problem in the omit-table-from-left-join optimization from check-in [0cd82ee9a8413cf] that was discovered by OSSFuzz. (check-in: b016c28f user: drh tags: trunk)
00:45
Completely disable the skip-ahead-distinct optimization for all but the inner-most loop of a DISTINCT join. Fix for ticket [ef9318757b152e3a26e9592] (check-in: b7595cf2 user: drh tags: trunk)
2017-11-21
23:47
An experimental optimization to DISTINCT that causes an immediate exit of the inner loop of a join following each output row if the inner loop does not contribute any columns to the result set. (Leaf check-in: a33f88ac user: drh tags: distinct-early-out)
23:38
Fix the skip-ahead-distinct optimization on joins for cases there the table in the inner loop of the join does not contribute any columns to the result set. Proposed fix for ticket [ef9318757b152e3a2] (check-in: 2dcef5a9 user: drh tags: trunk)
21:15
Fix typo in the Makefiles for MSVC. (check-in: 17dd2f73 user: mistachkin tags: trunk)
21:14
Fix compilation issue (C99-ism) in the shell seen with MSVC. (check-in: 9cb47430 user: mistachkin tags: trunk)
20:53
Update the omit-table-from-left-join optimization so that it can omit tables from the middle of the join as well as the end. (check-in: 0cd82ee9 user: dan tags: trunk)
19:22
Update the omit-table-from-left-join optimization so that it can omit tables from the middle of the join as well as the end. (Closed-Leaf check-in: 618ca9fe user: dan tags: left-join-optimization)
2017-11-20
15:46
Fix a problem preventing the planner from identifying scans that visit at most one row in cases where that property is guaranteed by a unique, not-null, non-IPK column that is the leftmost in its table. (check-in: 7fdb1e2a user: dan tags: trunk)
15:45
Fix a typo in a test script on this branch. (Closed-Leaf check-in: bff5dcfd user: dan tags: left-join-omit-fix)
14:40
Fix a problem preventing the planner from identifying scans that visit at most one row in cases where that property is guaranteed by a unique, not-null, non-IPK column that is the leftmost in its table. (check-in: 299d7ca5 user: dan tags: left-join-omit-fix)
2017-11-18
18:07
Enhance the log messages produced in some cases if database corruption is encountered by an SQLITE_DEBUG build. (check-in: ee840a76 user: dan tags: trunk)
17:30
Enhance the log messages produced in some cases if database corruption is encountered by an SQLITE_DEBUG build. (Closed-Leaf check-in: 23a31280 user: dan tags: sqlite-corrupt-page)
2017-11-17
21:01
Improved fix for ticket [da78413751863] that does not require disabling the query flattener as was done in [005d5b870625]. This also makes the code generator for vector IN operators a little easier to understand. (check-in: 723f1be3 user: drh tags: trunk)
20:22
Add missing entry for SQLITE_IOERR_VNODE to the switch statement in sqlite3ErrName(). (check-in: e2b3e335 user: dan tags: apple-osx)
20:16
Add an 'extern "C"' wrapper to sqlite3_private.h. (check-in: 97ab1efe user: dan tags: apple-osx)
20:10
Merge test script fixes from trunk into this branch. (check-in: 32f5f461 user: dan tags: apple-osx)
20:07
Add some missing "finish_test" lines to the end of test scripts. (check-in: c21406ab user: dan tags: trunk)
17:32
New assert() statements in the rowvalue IN expression processing. (check-in: 00c32831 user: drh tags: trunk)
15:02
Clarification of comments on sqlite3FindInIndex(). No changes to code. (check-in: 071cabd2 user: drh tags: trunk)
13:23
Merge latest changes from trunk, including the temporary db/ATTACH/master-journal fix. (check-in: 162c7543 user: dan tags: apple-osx)
13:21
Do not count temporary databases that have been attached using ATTACH when figuring out if a master-journal file is required by a transaction. (check-in: 93e012a3 user: dan tags: trunk)
08:20
Avoid creating a master journal if all or all but one of the databases in the transaction is a temp file. (Closed-Leaf check-in: 355d1232 user: dan tags: master-journal-temp-files)
2017-11-16
20:48
In the LSM extension, ensure that empty space on pages is zeroed before they are written to disk. This helps with compressed databases, and stops valgrind complaining about uninitialized bytes and write(). (check-in: 5ffec5db user: dan tags: trunk)
19:17
Merge the latest changes, and the stmtvtab1.test fix, from trunk. (check-in: 85247880 user: drh tags: apple-osx)
19:04
Add a missing "finish_test" to the end of the stmtvtab1.test script. (check-in: e0b5c058 user: drh tags: trunk)
2017-11-15
19:14
Futher improvements to the .testctrl interface in the shell. (check-in: 1ca3b8cc user: drh tags: trunk)
17:07
UI improvements on the .testctrl dot-command in the shell. (check-in: 5d66219c user: drh tags: trunk)
16:29
Merge all the latest changes from trunk. (check-in: 1a1a73b8 user: drh tags: appendvfs)
2017-11-14
23:48
In the parse tree, combine LIMIT and OFFSET into a single expression rooted on a TK_LIMIT node, for a small code size reduction and performance increase, and a reduction in code complexity. (check-in: 3925facd user: drh tags: trunk)
21:06
Fix a typo that prevented successful builds on macs. (check-in: adf83060 user: drh tags: apple-osx)
20:36
Merge the patch that enables reading a read-only WAL-mode database, without any special query parameters, as long as the -shm and -wal files are on disk. (check-in: 8c2a769c user: drh tags: apple-osx)
20:06
Merge changes from trunk. This fixes the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. (check-in: d90e5f34 user: dan tags: begin-concurrent)
20:00
Merge all changes from trunk prior to the read-only WAL enhancement. (check-in: 1754faef user: drh tags: apple-osx)