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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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100 ancestors of [e2d38d51]

2017-06-08
16:10
Merge 3.19.3 changes with this branch. check-in: e2d38d51 user: dan tags: begin-concurrent
15:54
Merge changes for version 3.19.0 with this branch. check-in: 0f59bb94 user: dan tags: begin-concurrent
14:26
Version 3.19.3 check-in: 0ee482a1 user: drh tags: release, version-3.19.3, branch-3.19
11:32
Fix an issue with OPT_FEATURE_FLAGS in configure.ac. check-in: 97b5c4a5 user: drh tags: branch-3.19
11:27
Increase the version number to 3.19.3. check-in: 903fff53 user: drh tags: branch-3.19
11:26
Ensure pointer map entries are always added when a row that does use overflow pages replaces one that does not in an auto-vacuum database. Fix for [fda22108]. check-in: 9478106c user: drh tags: branch-3.19
2017-06-02
09:31
Extend even further the logging designed to find problems in the pointer-map structure. Call abort() to dump a core as soon as such a problem is seen. check-in: f131677d user: dan tags: begin-concurrent
2017-05-31
17:06
Generate extra log messages in response to irregularites in the pointer-map used by "BEGIN CONCURRENT" transactions. check-in: f7e3e2bc user: dan tags: begin-concurrent
2017-05-29
19:23
Instead of a root page number, log the object (table or index) name if a page level locking conflict is detected. check-in: 9ad846e5 user: dan tags: begin-concurrent
14:27
Enhance the log messages emitted when a page conflict is detected. check-in: 92618492 user: dan tags: begin-concurrent
2017-05-26
18:18
Adjust the bitvec related sqlite3_log messages added by [9527089b]. check-in: a7e0e7a4 user: dan tags: begin-concurrent
16:51
Add extra test cases for deferred page allocation. check-in: 9df01957 user: dan tags: begin-concurrent
16:15
Fix a problem with deferred page allocation in transactions that revert page allocations by savepoint rollbacks. check-in: a4a3bbe6 user: dan tags: begin-concurrent
2017-05-25
21:02
Fix a problem with the deferred page allocation on this branch that could occur when the database file is just slightly smaller than the PENDING_BYTE page offset. check-in: 47a7dd92 user: dan tags: begin-concurrent
16:50
Version 3.19.2 check-in: edb4e819 user: drh tags: release, branch-3.19, version-3.19.2
11:39
The SQLITE_EXTRA_IFNULLROW compile-time option causes OP_IfNullRow opcodes to be issued for references to the right-hand side table of *any* flattened join, not just LEFT JOINs. This puts extra stress on the OP_IfNUllRow opcodes for testing purposes. check-in: 1a074c8a user: drh tags: branch-3.19
00:28
The TK_IF_NULL_ROW expression node must be treated as a variable that references the table Expr.iTable. Proposed fix for ticket [7fde638e94287d2c]. check-in: b30a364a user: drh tags: branch-3.19
00:12
Increase the version number to 3.19.2 since ticket [7fde638e94287d2] is going to necessitate another patch release. check-in: c315727a user: drh tags: branch-3.19
2017-05-24
13:08
Version 3.19.1 check-in: f6d7b988 user: drh tags: release, branch-3.19, version-3.19.1
2017-05-23
19:23
Add experimental new API sqlite3_wal_info(). check-in: 5b9d498f user: dan tags: begin-concurrent
15:33
Disable the LEFT JOIN flattening optimization for aggregate queries, as it does not currently work. Further fix for ticket [cad1ab4cb7b0fc344]. check-in: 05ada741 user: drh tags: branch-3.19
12:44
Ensure that the expression rewriter inside the query flattener decends into the substructure of the TK_IF_NULL_ROW operator. This is a continuation of the fix for ticket [cad1ab4cb7b0fc344]. check-in: 28d2902d user: drh tags: branch-3.19
01:35
Change the version number to 3.19.1. check-in: 16656b8f user: drh tags: branch-3.19
01:30
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: 4510d55d user: drh tags: branch-3.19
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
2017-05-22
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
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
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
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
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
2017-05-12
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
18:42
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
16:12
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
13:36
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
2017-05-08
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
2017-05-04
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
2017-05-02
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
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
14:09
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
15:27
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
2017-04-26
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
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
17:03
Remove a NEVER macro for a condition that may be true as of [a47efb7c]. Problem reported by OSSFuzz. check-in: bdc50d8d user: dan tags: trunk
16:04
Fix an FTS5 bug that could cause a prefix-query without a prefix-index on a database that contains delete-markers to return extra, non-matching, rows. check-in: 840042cb user: dan tags: trunk
2017-04-19
13:25
Further improvements to coverage of fts3 module. check-in: 6b21d0fd user: dan tags: trunk
07:33
Further modifications and test cases to improve test coverage of fts3. check-in: ea8a0d2c user: dan tags: trunk
2017-04-18
13:50
Use sqlite3_table_column_metadata() instead of a SELECT statement to check for the existence of a %_stat table in fts3. This leads to smaller and easier to test code. check-in: dc2a4802 user: dan tags: trunk
11:20
Improved optimizations of views as the right operand of a LEFT JOIN. check-in: 41c27bc0 user: drh tags: trunk
05:49
Refactor the fts3ColumnMethod() function so that all branches can be covered. check-in: e47fdb49 user: dan tags: trunk
2017-04-17
23:23
Defer checking for null in the comparison operators, since that is an uncommon case. check-in: 56845256 user: drh tags: trunk
20:50
Do not allow a Mem object to be both NULL and some other type at the same time. check-in: e698db19 user: drh tags: trunk
18:42
Consolidate two branches of code in the "PRAGMA foreign_key_check" implementation. check-in: 69f51f83 user: dan tags: trunk
18:02
Fix a problem in "PRAGMA foreign_key_check" in handling a WITHOUT ROWID child table with an INTEGER PRIMARY KEY parent key. Also, if an FK violation is detected in a WITHOUT ROWID child table, do not try to read and return the rowid. The second column returned by "PRAGMA foreign_key_check" in this case (WITHOUT ROWID child table) is now always set to NULL. check-in: 690870bd user: dan tags: trunk
16:07
Further improvements to test coverage in fts3. check-in: 352413ee user: dan tags: trunk
13:38
Improve coverage of code in fts3. check-in: 1a08a836 user: dan tags: trunk
13:18
Fix the ".column" output mode in the command-line shell so that it correctly counts and formats multi-byte UTF characters. check-in: f508aff8 user: drh tags: trunk
2017-04-16
22:41
In the showwal command-line tool, for unix builds, if the auxiliary argument is of the form "Ntruncate" where "N" is a frame number, then truncate the WAL file after the N-th frame. check-in: 90015df3 user: drh tags: trunk
22:08
Add the anycollseq.c loadable extension in etc/misc check-in: d7b9813c user: drh tags: trunk
2017-04-15
11:53
In the skip-ahead-distinct optimization, fix a bug in the logic that determines when to invoke the optimization based on sqlite_stat1 statistics. check-in: 89f9e436 user: drh tags: trunk
2017-04-14
22:41
Fix to the decision logic for when to use the skip-ahead-distinct optimization. Closed-Leaf check-in: e50fd489 user: drh tags: skip-ahead-distinct
19:46
Remove end-of-line whitespace from lemon.c. check-in: d78355c8 user: drh tags: trunk
19:44
Fix some left-over K&R-C constructs in lemon.c. No changes to the core. check-in: a5379905 user: drh tags: trunk