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100 check-ins occurring around 270b7d1eacb57827.

2017-05-23
01:29
When flattening a query, make sure iTable attribute of TK_IF_NULL_ROW operators (that result from a prior flattening of a LEFT JOIN) are updated correctly. Fix for ticket [cad1ab4cb7b0fc344]. check-in: 919d36e6 user: drh tags: branch-3.19
01:21
When flattening a query, make sure iTable attribute of TK_IF_NULL_ROW operators (that result from a prior flattening of a LEFT JOIN) are updated correctly. Fix for ticket [cad1ab4cb7b0fc344]. check-in: 92c17850 user: drh tags: trunk
00:32
Remove a surplus semicolon, which was harmless on gcc and clang but caused compile-time errors on msvc. This only comes up using the encryption extension. check-in: 987a2b55 user: drh tags: trunk
2017-05-22
19:24
Pull in all changes from the 3.19.0 release. check-in: bbd2d0e1 user: drh tags: apple-osx
18:09
Fix incompatibilities between the "sqldiff --changeset" command and the sessions module. Specifically, allow sessions to process changesets containing tables with zero operations on them and have sqldiff output the expected output for tables with multi-column primary keys. check-in: 0bb23c48 user: dan tags: trunk
18:00
Add the ".cd" command to the command-line shell. check-in: 5fe28e15 user: drh tags: trunk
17:39
Increase the version number to 3.20 for the next release cycle. check-in: ab471f61 user: drh tags: trunk
14:04
Merge the last-minute 3.19.0 changes into trunk. check-in: e6ba2a93 user: drh tags: trunk
13:58
Version 3.19.0 check-in: 28a94eb2 user: drh tags: release, branch-3.19, version-3.19.0
13:06
Include the "msvc.h" header file in the amalgamation tarball. check-in: 3dd6fe53 user: drh tags: branch-3.19
08:04
Fix a case where NULL was being passed to memcmp() following an OOM. This is probably not a real problem, as the number-of-bytes parameter was passed 0 in this case, but it was causing a santizer complaint. check-in: 3ea2bad2 user: dan tags: trunk
08:01
Add code to this branch to emit a log message after each cumulative second that the WRITER lock has been held. check-in: a726d981 user: dan tags: server-edition
00:45
When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. check-in: f261678c user: drh tags: trunk
00:27
When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. check-in: 962531e7 user: drh tags: branch-3.8.9
2017-05-19
23:04
Prevent a possible NULL pointer dereference in the OP_Found opcode that can follow an OOM error. Problem found by OSS-Fuzz. check-in: 50ad60de user: drh tags: branch-3.19
22:51
Prevent a possible NULL pointer dereference in the OP_Found opcode that can follow an OOM error. Problem found by OSS-Fuzz. check-in: c2de178f user: drh tags: trunk
20:55
Improved comments on one routine in the query planner. Improved diagnostic output for ".wheretrace". No production code changes. check-in: 946b87a5 user: drh tags: trunk
20:47
Fix a documentation typo. No changes to code. check-in: 68942a4f user: drh tags: trunk
20:46
Branch for the 3.19 release. check-in: f2b829ec user: drh tags: branch-3.19
19:57
Invoke sqlite3_log() in response to irregularities surrounding the Pager.pAllRead bit-vector. check-in: 9527089b user: dan tags: begin-concurrent
12:32
Fix some problems in fts5 code detected by -fsanitize=undefined. check-in: 35f72104 user: dan tags: trunk
2017-05-18
20:47
Fix a problem on this branch causing some page-level read-locks to be omitted. check-in: 0eed1521 user: dan tags: begin-concurrent
18:17
Fix a documentation typo. No changes to code. Closed-Leaf check-in: cfa4aa20 user: drh tags: doc-type
2017-05-16
09:49
Update the tool/warnings.sh script to automatically use the right options on OpenBSD. check-in: 7940bff3 user: dan tags: trunk
2017-05-15
19:32
Avoid writer starvation by adding a RESERVED state to page locks. check-in: 9b7f8024 user: dan tags: server-edition
17:56
Merge changes from trunk. check-in: 6e0f64ab user: drh tags: schemalint
17:34
Merge the latest changes from trunk. check-in: 14ea8400 user: drh tags: begin-concurrent
15:12
Fix the build so that it works again with SQLITE_OMIT_SUBQUERY. check-in: bb0d9281 user: drh tags: trunk
15:05
Improvements to the omittest.tcl script. check-in: 0f05d7e9 user: drh tags: trunk
2017-05-13
19:07
Avoid running recovery while there is another read/write client. check-in: a38858a2 user: dan tags: server-edition
2017-05-12
18:52
Require exclusive access to the db to wrap the wal file. Have "PRAGMA wal_checkpoint = restart" block for this. check-in: cbf44ed9 user: dan tags: server-edition
14:05
Make sure the 'sqlite3changegroup_*' functions are included in the SQLITE_APICALL handling. check-in: a123cb93 user: mistachkin tags: trunk
2017-05-11
19:09
Add another test case for the new authorizer functionality. check-in: 339df63f user: dan tags: trunk
18:49
Merge recent enhancements from trunk. check-in: b55c0f14 user: drh tags: apple-osx
18:42
Enhance the json_extract() function to reuse parses of the same JSON when the function appears multiple times in the same query. check-in: 3ba9e7ab user: drh tags: trunk
18:14
Do not save the state of an fts5 merge operation mid-way through an input term, even if no previous entry for that term has caused any output. Doing so may corrupt the FTS index. check-in: 9a2de4f0 user: dan tags: trunk
16:49
Cache the JSON parse used by json_extract(). Closed-Leaf check-in: 44ca6c2c user: drh tags: auxdata-cache
15:20
Negative N values in sqlite3_get_auxdata() and sqlite3_set_auxdata() can be used to access an auxiliary data cache over all functions in a single prepared statement. check-in: ff530675 user: drh tags: auxdata-cache
13:43
New requirements marks and documentation for the authorizer. check-in: 3980ea09 user: drh tags: trunk
12:27
Improvements to the sqlite3_set_authorizer() documentation. check-in: 47629b19 user: drh tags: trunk
12:05
Change the SQLITE_READ authorization call for unreferenced tables to use an empty string for the column name, as this is less likely to impact legacy authorization callbacks that assume column names are always non-NULL. check-in: 4139953a user: drh tags: trunk
2017-05-10
19:42
Rename fields of the internal AuxData object to make them unique and easier to search for. check-in: 2be9850c user: drh tags: trunk
16:33
Improved documentation for the SQLITE_READ authorizer callback. No code changes. check-in: 92c5ea70 user: drh tags: trunk
16:18
Fix a problem causing a lock to be held past the end of a transaction. Use a blocking lock to take the read-lock on page 1 taken by all transactions. check-in: 2584df3d user: dan tags: server-edition
16:12
Invoke the SQLITE_READ authorizer callback with a NULL column name for any table referenced by a query but from when no columns are extracted. check-in: 92ab1f72 user: drh tags: trunk
13:46
Use a blocking call to obtain the wal-mode WRITER lock in some cases. check-in: 4464ca1d user: dan tags: server-edition
13:36
Fix a couple of test scripts so that they work with -DSQLITE_DISABLE_FTS4_DEFERRED builds. check-in: 30018d31 user: dan tags: trunk
12:58
Avoid unnecessary codec operations on in-memory subjournals. check-in: 199b2a84 user: drh tags: trunk
12:49
Do not invoke codec macros for in-memory subjournals. Closed-Leaf check-in: d2bb0066 user: drh tags: codecless-inmemory-subjournal
2017-05-09
16:32
Fix a problem with wrapping the log file in server mode. check-in: 270b7d1e user: dan tags: server-edition
2017-05-08
20:15
Add some support for wal mode to the hack on this branch. check-in: b733afc1 user: dan tags: server-edition
18:29
Do not invoke codec macros when reading or writing an in-memory sub-journal. check-in: 2c145ee6 user: dan tags: codecless-inmemory-subjournal
2017-05-06
18:09
Fix an obscure assertion fault that can follow an OOM. The problem was introduced by check-in [a1cf44763277b6c7]. check-in: 04e7e565 user: drh tags: trunk
17:12
Fix requirements marks and harmless compiler warnings. check-in: 198ff4c0 user: drh tags: trunk
16:04
Update this branch with latest trunk changes. check-in: ed6bad67 user: dan tags: server-edition
2017-05-04
14:02
Remove the tool/schemalint.tcl script. And related Makefile entries. It is superseded by sqlite3_expert. check-in: 269bf52e user: dan tags: schemalint
11:13
Fix a collision of the "B0" identifier name between the termios.h header file and the SHA3 implementation in the shell. check-in: b9a58dac user: drh tags: trunk
2017-05-03
19:36
Remove the unused "sqlite3_stack_used" TCL command from the test harness. check-in: e24b7382 user: drh tags: trunk
17:44
Fix the sqlite3GetInt32() function so that it correctly returns 0 on a zero-length input string. check-in: 05eba9e3 user: drh tags: trunk
15:54
Always enable URI filenames when compiling with SQLITE_HAS_CODEC. Also allow plaintext keys using the key= query parameter. check-in: 31a51b4d user: drh tags: trunk
13:05
Fix a harmless compiler warning on Windows. check-in: 593e5dd0 user: drh tags: schemalint
12:50
Get sqlite3_expert building on Windows. check-in: d8254047 user: drh tags: schemalint
12:15
In sqlite3expert.c, do not copy the schema for virtual tables. Updates to makefiles to make building easier. check-in: da15752d user: drh tags: schemalint
2017-05-02
20:42
In the sqlite3_expert command-line tool, allow two-dash options. Do not accept the database name if it begins with "-". check-in: af7d1596 user: drh tags: schemalint
19:45
Merge the latest enhancements from trunk. check-in: a7dcf6a7 user: drh tags: schemalint
18:00
Fix the fts3EvalAverageDocsize() routine so that it returns errors from sqlite3_reset() rather than always returning SQLITE_OK. check-in: 430f539c user: drh tags: trunk
17:54
Reuse the same materialization of a view when that view appears in a query more than once, such as in a self-join. check-in: 9e35c89d user: drh tags: trunk
16:55
Move terms of the HAVING clause that reference only columns in the GROUP BY clause over to the WHERE clause, resulting in a faster query plan. check-in: 47cbb471 user: drh tags: trunk
16:46
Additional comments on the sqlite3ExprIsConstantOrGroupBy() routine. No code changes. Closed-Leaf check-in: 8424492e user: drh tags: having-where-optimization
01:30
Fix typo in comment. No changes to code. check-in: 6674814a user: mistachkin tags: trunk
2017-05-01
20:07
Update this branch with latest trunk changes. check-in: 83b1e163 user: dan tags: server-edition
19:53
Remove an unnecessary branch. check-in: a3317959 user: drh tags: having-where-optimization
18:24
Enhance "PRAGMA integrity_check" to detect duplicate rowids within a leaf page. check-in: adcad37b user: dan tags: trunk
18:12
Clear the BTCF_ValidNKey flag set if a cursor is moved by sqlite3BtreeInsert(). Fix for [f68dc596c4]. check-in: a6727eef user: dan tags: trunk
17:04
Futher bug fixes to the function that determines when a materialized view can be reused. Closed-Leaf check-in: c64fe3a1 user: drh tags: materialized-view-reuse
16:37
Minor bug fixes and performance enhancement. check-in: b2aae559 user: drh tags: materialized-view-reuse
15:15
Initial implementation of an optimization that attempts to reuse the same materialization of a view on a self-join of the view. check-in: 478c34b9 user: drh tags: materialized-view-reuse
14:25
Update this branch with latest trunk changes. check-in: 11f4761c user: dan tags: schemalint
14:09
Add extra tests for the optimization on this branch. check-in: 4921cd95 user: dan tags: having-where-optimization
2017-04-29
20:53
Automatically transfer terms from the HAVING clause to the WHERE clause of an aggregate query in cases where the result of evaluating the term depends only one one or more of the GROUP BY expressions (and on no other inputs). check-in: 5375a3ce user: dan tags: having-where-optimization
19:29
Add a single testcase() macro to the subquery processing logic. check-in: 4e1df76e user: drh tags: trunk
18:02
Improvements to opcode documentation in the bytecode engine. No changes to code. check-in: e54c9f8d user: drh tags: trunk
15:48
Avoid reading the file-size before page 1 is read-locked. check-in: f6b025bf user: dan tags: server-edition
15:27
Evaluate WHERE clause terms that reference only the index before evaluating terms that require the table, and thereby avoid seeking the table row if index terms are false. This is called the "push-down" optimization in the MySQL world, we are told. check-in: d7bb79ed user: drh tags: trunk
14:56
Minor size and performance improvements to the push-down optimization. Closed-Leaf check-in: 91dfb61a user: drh tags: pushdown-optimization
2017-04-28
19:59
Within a loop that uses a non-covering index test, test non-indexed terms that can be tested without seeking the main table cursor before those that cannot. check-in: afe68f0a user: dan tags: pushdown-optimization
17:32
Fix various bugs revealed by running performance tests. check-in: a40b42c4 user: dan tags: server-edition
14:09
Add a missing releasePage() call to the server-mode free-list management code. check-in: a5a08548 user: dan tags: server-edition
10:20
Use a different free-list format for server-mode databases in order to reduce contention. check-in: 778e8a10 user: dan tags: server-edition
2017-04-27
14:12
Do not write master journal filenames into server-mode journal files. Use SQLITE_MUTEX_STATIC_APP1 to protect critical sections in server.c. check-in: 3144ae40 user: dan tags: server-edition
13:05
If possible, delete the journal file when a database connection is closed. check-in: d5b5326d user: dan tags: server-edition
2017-04-26
20:45
Experimental implementation of pessimistic page-level locking based on rollback mode. check-in: 64ecf7c7 user: dan tags: server-edition
17:21
Add new test file cachespill.test. check-in: 2d0b6431 user: dan tags: trunk
14:34
Replace <fts5.h> with "fts5.h" in test file fts5_test_tok.c. check-in: 63d9ca5c user: dan tags: trunk
04:32
Fix a subtle bug in Lemon discovered and reported on the mailing list by Kelvin Sherlock, who also suggested the correct fix. check-in: 304689f8 user: drh tags: trunk
2017-04-24
16:14
Bring in all the latest enhancements from trunk. check-in: 031feebc user: drh tags: apple-osx
14:16
When building an ephemeral table of integers, do not assume that the table does not already contain N if the insert cursor points to N-1. Fix for ticket [61fe9745]. check-in: 1c1b0862 user: dan tags: trunk
2017-04-22
00:20
Fix an assertion fault found by OSSFuzz. check-in: e39769f4 user: drh tags: trunk
2017-04-21
19:58
Another minor formatting fix. check-in: 9fa2ce3c user: dan tags: schemalint
19:56
Fix formatting errors in the previous commit. check-in: da9a2e5a user: dan tags: schemalint