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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 descendants of [0fcfc36c]

2018-05-15
11:55
Merge latest trunk changes into this branch. check-in: 72f39efa user: dan tags: begin-concurrent-pnu
11:45
Merge latest trunk changes with this branch. check-in: ae86cf60 user: dan tags: begin-concurrent
11:33
Instead of just the flags byte, include the first 8 bytes of the relevant page in an on-commit conflict log message. check-in: 52e443eb user: dan tags: begin-concurrent-pnu
11:28
Instead of just the flags byte, include the first 8 bytes of the relevant page in an on-commit conflict log message. check-in: e7dc03e7 user: dan tags: begin-concurrent
09:09
Fix a test case problem in wherelimit.test. check-in: 3012df8b user: dan tags: trunk
09:03
Include the value of the "flags" byte of the relevant page in the log message emitted when a BEGIN CONCURRENT commit conflict is detected. check-in: de19abb9 user: dan tags: begin-concurrent-pnu
08:51
Include the value of the "flags" byte of the relevant page in the log message emitted when a BEGIN CONCURRENT commit conflict is detected. check-in: fbfa5471 user: dan tags: begin-concurrent
2018-05-14
22:46
Make more aggressive use of automatic indexes when processing materalized views and subqueries. check-in: 172f5bd2 user: drh tags: trunk
18:09
The restriction on using automatic indexes for low cardinality loops only applies if the cardinality is restricted by a LIMIT clause. Closed-Leaf check-in: 991a76bf user: drh tags: exp-indexed-clause
17:12
Experimental syntax enhancement for an "INDEXED" keyword following a FROM-clause subquery that indicates that an automatic index on that subquery is suggested. check-in: 32b3d110 user: drh tags: exp-indexed-clause
15:26
Convert the schema creation logic in the rtree extension to use the new sqlite3_str interface. check-in: fd8b8c41 user: drh tags: trunk
12:23
Fix typo in the shell.c source file. check-in: 389dc0a9 user: mistachkin tags: trunk
00:41
Export the deduceDatabaseType() function the shell.c source file. check-in: d0f35739 user: drh tags: trunk
00:23
Add the --append option to the ".backup" command in the CLI. check-in: 0dfdbdee user: drh tags: trunk
2018-05-12
23:59
Add test cases for geopoly_overlap(). (Later:) This branch is closed and the development of the geopoly logic is moved to the rtree-geopoly branch. Closed-Leaf check-in: 39209251 user: drh tags: geojson
23:56
Merge changes from trunk. check-in: 715740e3 user: drh tags: geojson
23:56
In the CLI, allow comment lines that begin with '#', but only in a context where a dot-command is allowed. In other words, '#' at the beginning of a line in the middle of an SQL statement is just part of the SQL. check-in: 4ee136d6 user: drh tags: trunk
23:31
Resolve issues with floating-point round-off error in the geopoly_overlap() routine. check-in: a3c6696f user: drh tags: geojson
21:09
Add the geopoly_svg() SQL function. check-in: 318ba5f0 user: drh tags: geojson
20:28
Preliminary tests show geopoly_overlap() is working. check-in: 77bb7b7d user: drh tags: geojson
16:05
An initial attempt at an overlap function in the geopoly extension. check-in: c857976e user: drh tags: geojson
2018-05-11
19:11
In the CLI, return non-zero if there are errors on the command-line. check-in: 13e7300a user: drh tags: trunk
16:50
Add the geopoly_within() SQL function. check-in: 927d52a9 user: drh tags: geojson
15:38
Add the geopoly_read() SQL function to the geopoly.c extension. check-in: b37625e8 user: drh tags: geojson
15:10
Fix a typo in the help message from the ".sha3sum" command in the CLI. check-in: dba87a20 user: drh tags: trunk
15:10
Make sure the open_db() routine in the CLI does not invoke access() with a NULL filename. check-in: 20a8c611 user: drh tags: trunk
14:02
Fix a typo in the help message from the ".sha3sum" command in the CLI. check-in: e76f676c user: drh tags: geojson
14:00
Make sure the open_db() routine in the CLI does not invoke access() with a NULL filename. check-in: 2b8fd3b4 user: drh tags: geojson
2018-05-09
16:32
Add a test case to check that the fts5 unicode64 tokenizer is dealing with codepoints greater than 65535 correctly. check-in: 9f7a6ae8 user: dan tags: trunk
15:27
The translation in and out of GeoJSON automatically adds or removes the redundant last vertex, as necessary. check-in: 2653bedd user: drh tags: geojson
15:20
Fix the geopoly_json() SQL function so that it works. check-in: 236588d5 user: drh tags: geojson
15:19
Merge from trunk the ability to use sqlite3_sql interfaces in extensions. check-in: 5bb9e6a9 user: drh tags: geojson
15:17
Add 14 new interfaces to the loadable extension mechanism. check-in: 0e809cdc user: drh tags: trunk
15:00
Add the geopoly_json() interface. Untested. check-in: 25695c80 user: drh tags: geojson
14:33
Merge trunk changes, and especially the newly published sqlite3_str interface. check-in: f3609aef user: drh tags: geojson
14:29
Fix minor problems with the sqlite3_str interface. check-in: 43ea8a68 user: drh tags: trunk
13:46
Make the internal dynamic string interface available to extensions using the new sqlite3_str object and its associated methods. This is mostly just a renaming of internal objects and methods to use external names, through there are a few small wrapper functions. check-in: 87f261f0 user: drh tags: trunk
10:11
Fix a typo in a comment used for documentation. No code changes. check-in: b866693e user: drh tags: trunk
2018-05-08
23:17
Correctly format the STAT1 and STAT4 content in the output from the ".fullschema" command in the CLI. Fix for ticket [e63a34a0045832dc850367552]. check-in: 0c3f128f user: drh tags: trunk
22:47
Experiments with routines for processing GeoJSON. check-in: d22fbff2 user: drh tags: geojson
13:32
Merge changes from trunk, especially the activation of the cell-overwrite optimization for indexes and WITHOUT ROWID tables. check-in: a016144b user: drh tags: apple-osx
13:03
Fix a harmless compiler warning in fuzzcheck. Add new OSSFuzz test cases to the test case library. check-in: d2619746 user: drh tags: trunk
12:49
Fuzz test cases for UPSERT. check-in: fd11fbd2 user: drh tags: trunk
2018-05-07
18:41
Activate the cell-overwrite optimization for index b-trees. check-in: a68697d1 user: drh tags: trunk
17:27
Improved comments on the cell-overwrite optimization code. check-in: a4fe966d user: drh tags: trunk
13:01
Merge enhancements from trunk, and especially the cell-overwrite optimization. check-in: cb3aa778 user: drh tags: apple-osx
11:48
On an UPDATE, try to overwrite an existing btree cell with the modified content, if the old and new cell are the same size. Use memcmp() first to avoid dirtying pages that are unchanged. check-in: 5887d8be user: drh tags: trunk
11:37
Fix harmless compiler warnings associated with the new EXPLAIN QUERY PLAN logic. check-in: 374d8e26 user: drh tags: trunk
11:29
Fix harmless compiler warnings in the cell-overwrite logic. Closed-Leaf check-in: 3e11dc31 user: drh tags: cell-overwrite-prototype
02:50
Backout change [05fee1a21ea398f1e4d6f1cf3] because it does not take into account the LD_LIBRARY_PATH environment variable used by dl_open(). check-in: b348d119 user: drh tags: trunk
2018-05-05
16:50
In an ORDER BY LIMIT, make sure the ORDER BY expression evaluator does not try to reuse values from the result set if the result set has not yet be computed. This fixes a bug in the recent deferred-row loading optimization, check-in [c381f0ea57002a264fd958b28e]. OSSFuzz discovered the problem. check-in: 5d61e75f user: drh tags: trunk
01:23
Fix a slightly incorrect corruption detection branch in the btree logic. check-in: 9191ff67 user: drh tags: trunk
2018-05-04
20:00
Bring the code that changes the owner of WAL and rollback files when running as root into alignment with trunk. check-in: 180516bf user: drh tags: apple-osx
19:33
Merge recent enhancements from trunk. check-in: e17bca2c user: drh tags: apple-osx
19:18
Merge enhancements from trunk. check-in: 9650f71b user: drh tags: cell-overwrite-prototype
18:32
Fix requirements marks. No code changes. check-in: 7fdad122 user: drh tags: trunk
04:49
For the amalgamation-tarball, enable FTS5 and JSON1 by default and provide a new --enable-debug option that actives debugging facilities. check-in: 03edecaf user: drh tags: trunk
00:39
Make a separate limb in the EXPLAIN QUERY PLAN output for the various lines associated with the OR-optimization. check-in: 75ac7b4e user: drh tags: trunk
2018-05-03
23:20
In ORDER BY LIMIT queries, try to evaluate the ORDER BY terms first, and it it becomes clear that the row will not come in under the LIMIT, then skip evaluation of the other columns. check-in: c381f0ea user: drh tags: trunk
22:52
Fix a branch that has become unreachable due to recent enhancements. check-in: 81ab5e0d user: drh tags: trunk
21:51
Improved security for VACUUM. This check-in combines the fixes of [ab0d99d0b5ede] and [27754b74ddf646] in a way that is less likely to to be broken by future changes. check-in: 260fc696 user: drh tags: trunk
19:56
Overhaul of EXPLAIN QUERY PLAN. The output is now in the form of a tree. More details of the query plan are shown, and what is shown is truer to what actually happens. check-in: ff01bbda user: drh tags: trunk
19:47
Optimizations to the new EQP framework. Closed-Leaf check-in: 956fef36 user: drh tags: rework-EQP
16:56
Fix various error handling conditions on the cell overwrite optimization. Fix a test case so that it works with the new optimization. check-in: f89b54f4 user: drh tags: cell-overwrite-prototype
14:07
The BtCursor.info fields are only valid if info.nSize!=0. check-in: 54c537ee user: drh tags: cell-overwrite-prototype
13:56
Add more corruption checking to the cell overwrite logic. check-in: 58d14afe user: drh tags: cell-overwrite-prototype
12:57
Bug fixes in the overwrite optimization. check-in: 0cb6cd2a user: drh tags: cell-overwrite-prototype
03:59
The sqlite3BtreeInsert() routine tries to overwrite an existing cell with modified content if the new content is the same size. Pages are only dirtied if they change. This prototype works some, but still has issues. check-in: 489451b3 user: drh tags: cell-overwrite-prototype
01:37
Enhance EXPLAIN QUERY PLAN to report the generation of constant rows using VALUES or just a SELECT without FROM. check-in: c75eee69 user: drh tags: rework-EQP
2018-05-02
19:42
More test case updates. Tests are all running now. check-in: dab5e529 user: drh tags: rework-EQP
18:00
Fix test cases so that they work with the new EXPLAIN QUERY PLAN output format. Only some of the cases have been fixed. This is an incremental check-in. check-in: 5f0e803e user: drh tags: rework-EQP
16:13
Improved EQP output for recursive CTEs and multi-value VALUES clauses. check-in: f2f52554 user: drh tags: rework-EQP
15:00
Prevent VACUUM from running any commands in sqlite_master.sql other than CREATE statements. That is all that should be there anyhow. This fixes a problem discovered by OSSFuzz. Test cases in TH3. check-in: ab0d99d0 user: drh tags: trunk
14:24
Fix a dangling-else problem that was causing recursive CTEs to malfunction. Begin fixing test cases to work with the new EQP output. check-in: 82ca44b8 user: drh tags: rework-EQP
08:12
Fix a problem in the xBestIndex method of the closure extension causing it to allocate non-contiguous argvIndex values in some cases (an "xBestIndex malfunction" error). check-in: 0c671507 user: dan tags: trunk
03:01
Add sqlite3_win32_set_directory8() and sqlite3_win32_set_directory16() functions. check-in: 22089ea2 user: mistachkin tags: trunk
02:22
Improvements to the EQP display for compound select statements. check-in: 699a77e4 user: drh tags: rework-EQP
00:33
Begin reengineering the EXPLAIN QUERY PLAN function to provide more intuitive output. check-in: 70b48a79 user: drh tags: rework-EQP
2018-05-01
18:39
The SQLITE_ALLOW_SQLITE_MASTER_INDEX compile-time option allows a CREATE INDEX statement against the sqlite_master table. Once created, the index works, and is usable by legacy instances of SQLite. check-in: 853f3163 user: drh tags: trunk
01:18
The ".selecttrace 0x4000" command causes the AST to be output to stdout as a table with four columns. Leaf check-in: 2a75e631 user: drh tags: ast-trace-demo
2018-04-30
19:32
Defer loading result column values into registers on an ORDER BY LIMIT until we know that the LIMIT does not exclude the current row. Closed-Leaf check-in: ce4ef460 user: drh tags: faster-order-by-limit
2018-04-28
19:08
Test cases added for SQLITE_DBCONFIG_RESET_DATABASE. check-in: 08665a9e user: drh tags: trunk
18:20
Fix an RBU problem causing spurious SQLITE_CONSTRAINT errors when restarting an RBU update in which more than one source table writes to a single target database table. check-in: 564ae829 user: dan tags: trunk
13:21
Add the SQLITE_DBCONFIG_RESET_DATABASE control for resetting a corrupt database file without closing any database connections. Added the ".dbconfig" command to the CLI. check-in: a200a49e user: drh tags: trunk
12:43
Add the SQLITE_DBCONFIG_RESET_DATABASE control as a replacement for the reset_database pragma. Resetting the database should be hard enough to do that it cannot be done by accident. Leaf check-in: ff836cb8 user: drh tags: reset-database
11:22
Merge updates from trunk. check-in: 94877e49 user: drh tags: reset-database
04:16
Prevent deep recursions on nested COLLATE operators. check-in: 6e098ee4 user: drh tags: trunk
04:10
Fix compiler warnings in FTS3. check-in: de508e83 user: drh tags: trunk
01:46
Document and expose sqlite3_win32_set_directory() function for use on Win32. check-in: 7626b593 user: mistachkin tags: trunk
01:44
Add comments about the intended use of the sqlite3_data_directory variable as it pertains to the sqlite3_win32_set_directory function. Closed-Leaf check-in: d11c4197 user: mistachkin tags: win32dir
01:27
Add the "PRAGMA reset_database=ON|OFF" command. When on, it causes the database to appear to be empty, causing the next transaction to reset it to an empty database. check-in: 02e1a13c user: drh tags: reset-database
2018-04-27
22:42
Document and expose sqlite3_win32_set_directory() function for use on Win32. check-in: cbce7180 user: mistachkin tags: win32dir
20:49
Better comments on the bindvtab.c implementation. All the two-argument version of the .set command. All bindings from .set and -D are still string. Leaf check-in: 7b2a65a6 user: drh tags: shell-bindings
18:05
Update test script fts3expr4.test so that it always creates fts3 tokenizers in the "en_US" locality. check-in: 576a8f69 user: dan tags: trunk
17:39
Add the ability to use bind parameters in the CLI. The new ".set KEY=VALUE" dot-command works to set bindings. Or use the "-Dkey=value" command-line option. Or use the built-in shell_bindings(k,v) virtual table to set, delete, or changing bindings. check-in: 1f2944d1 user: drh tags: shell-bindings
16:35
Fix a test script error causing tests to fail in soak.test. check-in: 462b52b1 user: dan tags: trunk
15:17
Enhance the comments in the templatevtab.c implementation. check-in: 05f6278a user: drh tags: trunk
2018-04-26
18:34
The previous fix for ticket [d85fffd6ffe856092ed8da] in check-in [0a514e62ad1ebe5c12da8dae] did not completely address the probably in that it only worked for cases where the OP_SCopy that loaded the register was the last instruction in the sequence for the expression, which is not necessarily the case for expressions like CASE...END. This revision prevents the registered that will be recomputed from being cached in the first place. check-in: 9fd0faf5 user: drh tags: trunk
18:01
Merge latest changes from trunk. Including the "ORDER BY ... LIMIT" optimization. check-in: 83a4c9f0 user: dan tags: begin-concurrent-pnu
17:54
Merge latest changes from trunk. Including the "ORDER BY ... LIMIT" optimization. check-in: d8ae7ba0 user: dan tags: begin-concurrent
17:43
When processing an "ORDER BY ... LIMIT" that does not use an index, check whether or not a record may appear in the final result set before adding it to the temp b-tree used for sorting. check-in: 0fcfc36c user: dan tags: trunk