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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 [3e5d38f5]

2016-02-27
19:03
More compact implementation of PRAGMA onconflict, and some test cases. Leaf check-in: 3e5d38f5 user: drh tags: pragma-onconflict
17:16
Experimental "PRAGMA onconflict=FAIL" statement to change the default ON CONFLICT algorithm to something other than ABORT. check-in: 3a0c347c user: drh tags: pragma-onconflict
17:12
Enhance the ".stats" command in sqlite3.exe to show one-time stats information if invoked with one argument. Also show /proc/PID/io information if run on Linux. check-in: 3c36948f user: drh tags: trunk
14:04
Fix a requirement mark to conform to a typo fix in the documentation. check-in: d1392c62 user: drh tags: trunk
14:00
Enhance documentation of sqlite3_snapshot_open() to explain that the database connection must have participated in at least one read operation prior to the beginning of the transaction for which the snapshot is to be opened. Add test cases for this fact. check-in: 33dd671c user: drh tags: trunk
00:21
Add 'Replace.exe' to the MSVC clean target. check-in: c2277fab user: mistachkin tags: trunk
00:21
Fix typo in ICU error message. check-in: 00c8fffd user: mistachkin tags: trunk
00:07
Make sure the Replace.cs file is included in the autoconf tarball. check-in: b850df48 user: drh tags: trunk
2016-02-26
23:13
Support generating the '.def' file using the autoconf Makefile for MSVC. check-in: 3617564c user: mistachkin tags: trunk
21:20
Fix a potential buffer overflow in the ICU upper() function. check-in: b8dc1b9f user: drh tags: trunk
21:03
Further refinements to the MSVC batch build process. check-in: cf4e4fbd user: mistachkin tags: trunk
21:01
Further refinements to the MSVC batch build process. check-in: 4e54e9c0 user: mistachkin tags: branch-3.11
16:03
Fix the ICU extension LIKE function so that it does not read past the end of a buffer if it it passed malformed utf-8. check-in: 424b7aee user: dan tags: trunk
15:38
Provide the new SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER option to sqlite3_db_config() that can be used to activate the two-argument version of fts3_tokenizer() for a specific database connection at run-time. check-in: 374b5108 user: drh tags: trunk
13:22
Fix a typo in a comment (though an important comment in that it is used to generate documentation). check-in: ff3d7f84 user: drh tags: trunk
04:13
Ephemeral tables used to hold manifested views may not be unordered since they might be subject to an ordered comparison if they are part of a join. check-in: 3ef6a315 user: drh tags: trunk
04:04
Remove a debugging "exit" command mistakenly left in the "where.test" module. check-in: beda0b8c user: drh tags: trunk
2016-02-25
23:27
Add some comments in the VSIX test tool. check-in: c871473f user: mistachkin tags: trunk
23:25
Add tool for smoke-testing the UWP VSIX package. check-in: d27f32c6 user: mistachkin tags: trunk
23:22
Enhance checking of prerequisites in the vsixtest tool. Closed-Leaf check-in: 799d5f09 user: mistachkin tags: vsixTest
23:21
Fix an incorrect cost computation for sorting (introduced just a few check-ins ago). Should be NlogN, not NloglogN. check-in: 2459d323 user: drh tags: trunk
21:38
Small optimization in FK handling. check-in: e0d25913 user: mistachkin tags: trunk
21:27
Change the srcck1.c utility program to use only unsigned characters. check-in: d64d005e user: drh tags: trunk
21:19
Change the "PRAGMA stats" command to report size values in LogEst units. The eliminates the need for sqlite3LogEstToInt() unless non-standard compile-time options are used, so leave it out except in those cases. check-in: 832c237f user: drh tags: trunk
20:17
Disable the RESTRICT foreign key action if "PRAGMA defer_foreign_keys" is set. check-in: 9ffff484 user: dan tags: trunk
18:40
Query planner improvements: Take the LIMIT into account when estimated the cost of an ORDER BY. Avoid automatic indexes on query loops that are expected to run less than twice. See [9e2b2681] for a later enhancement. check-in: bf46179d user: drh tags: trunk
18:22
Improvement on the previous check-in: disallow automatic indexes for any loop that is expected to run less than twice. Closed-Leaf check-in: aab53a21 user: drh tags: planner-improvements
18:03
Do not use an automatic index on an outer loop that only runs once. check-in: 5957e793 user: drh tags: planner-improvements
16:04
Take the LIMIT clause into account when estimating the cost of sorting. check-in: d491745c user: drh tags: planner-improvements
13:33
In the command-line shell: When the ".import" command is creating a new table using column names from the first row of CSV input, make sure double-quotes in the name are properly escaped. check-in: 2e67a1c8 user: drh tags: trunk
08:02
Improve readability and logging of the vsixtest script. check-in: 4fe7c4e9 user: mistachkin tags: vsixTest
02:56
Enable all steps and add/update comments. check-in: 788f99f4 user: mistachkin tags: vsixTest
02:49
More work. Install and build steps are now tested. check-in: 0ab74373 user: mistachkin tags: vsixTest
2016-02-24
23:31
Fix typo. Improve interim debugging. check-in: e0029bdf user: mistachkin tags: vsixTest
23:25
Test build all supported configurations and platforms during VSIX testing. check-in: cce40a0b user: mistachkin tags: vsixTest
21:42
Initial work on an automated VSIX testing tool. Not working or tested yet. check-in: 496e4ac9 user: mistachkin tags: vsixTest
20:16
Extend [3e9ed1ae] so that covering indexes on WITHOUT ROWID tables are also identified. check-in: e721975f user: dan tags: trunk
19:57
Change a char* to const char* in order to suppress some harmless compiler warnings. check-in: 56f62e34 user: drh tags: trunk
17:18
When an index completely covers a table, it can be used as a covering index even if columns past the 63rd column are indexed and accessed. check-in: 3e9ed1ae user: drh tags: trunk
16:14
Fix a problem with handling identifiers that start with "x" if SQLITE_OMIT_BLOB_LITERAL is defined. check-in: b65217c6 user: dan tags: trunk
15:43
Identify indexes that completely cover their table. Closed-Leaf check-in: 71d488b5 user: drh tags: covering-index
2016-02-23
16:28
Add the SQLITE_BITMASK_TYPE compile-time option. check-in: 0064a8c7 user: drh tags: trunk
2016-02-22
23:44
Remove code not needed now that synchronous=OFF database files no longer trigger the use of a master journal. check-in: aa9f4c62 user: drh tags: trunk
23:14
Avoid an unnecessary seek operation some corner-case skip-scan operations. check-in: 2a6003a9 user: drh tags: trunk
21:19
Clearer presentation of the logic. No functional changes. Closed-Leaf check-in: a3dcf6db user: drh tags: skip-scan-improvement
20:52
Avoid an unnecessary seek operation on some corner-case skip-scans. check-in: 38e837e6 user: drh tags: skip-scan-improvement
16:04
Always use the sqlite3VdbeDeleteAuxdata() routine for clearing auxdata on function parameter, rather than having a separate deleteAuxdataFromFrame() for doing the job for trigger frames. check-in: 64386fa3 user: drh tags: trunk
14:57
Avoid creating a master journal unless two or more databases in the transaction can actually benefit from that master journal. check-in: 3ed18906 user: drh tags: trunk
13:23
Change magic numbers associated with synchronous settings to named constants. check-in: 9230ba6c user: drh tags: trunk
09:45
Add an extra test case for the change in commit [c4295725]. check-in: a48ac4c3 user: dan tags: trunk
2016-02-19
19:46
Further enhancements to the MSVC batch build tool. check-in: 06f1495f user: mistachkin tags: trunk
19:29
Use the arguments to NMAKE consistently in the MSVC batch build tool. check-in: 480e5049 user: mistachkin tags: branch-3.11
19:03
Enhance clean target in the MSVC makefiles. check-in: 66a9ad4a user: mistachkin tags: branch-3.11
18:54
Use a separate list of aux-data structures for each trigger program at the VDBE level. Fix for [dc9b1c91]. check-in: c4295725 user: dan tags: trunk
16:19
Enhance speedtest1 to display the particular version of SQLite under test. check-in: 0cb728c1 user: drh tags: trunk
15:17
Fix a couple of harmless warnings generated by clang. check-in: a1a3ff1f user: drh tags: trunk
14:20
Fix a harmless uninitialized variable access. check-in: 398522e6 user: drh tags: trunk
14:10
Make sure WhereClause objects are fully initialized before use when planning OR queries. check-in: 16205302 user: drh tags: trunk
13:29
Fix (harmless) compiler warnings in some of the TCL-based test code. check-in: 7c26d2b4 user: drh tags: trunk
13:20
Add an SQLITE_DISABLE_INTRINSIC #ifdef to the sqlite3Put4Byte() function. check-in: ba9c6827 user: drh tags: trunk
13:19
Omit the unused yyzerominor constant. check-in: 60ad68a9 user: drh tags: trunk
10:18
Add an "#ifndef SQLITE_AMALGAMATION" guard around a typedef in fts5_test_mi.c to avoid redefining "u32" if it is compiled as part of the amalgamation. check-in: f9c49ba1 user: dan tags: trunk
05:07
Modify the MSVC batch build tool to support the MSVC autoconf Makefile. check-in: 72b10e5e user: mistachkin tags: branch-3.11
00:48
Further improvements to the MSVC batch build tool. check-in: b9626b59 user: mistachkin tags: trunk
00:47
Further improvements to the MSVC batch build tool. check-in: 90dd6eb1 user: mistachkin tags: branch-3.11
2016-02-18
21:15
Correct the install location for the UWP VSIX package. check-in: f74de325 user: mistachkin tags: trunk
21:00
Correct the install location for the UWP VSIX package. check-in: b47d0302 user: mistachkin tags: branch-3.11
14:49
Avoid a potential buffer overrun if an SQL statement being parsed ends with an illegal "!" token. (This problem was detected by fuzzcheck running under valgrind. The problem was introduced by check-in [9570b6b43df3], two days ago and has not appeared in a release.) check-in: 2a8d97e7 user: drh tags: trunk
14:03
Improved handling of the -v option on the fuzzcheck test program. check-in: c8cd7804 user: drh tags: trunk
13:32
Remove an unnecessary "include <tcl.h>" line from fts5_test_mi.c. check-in: 31d8b69e user: dan tags: trunk
01:29
Add extra API armor on the sqlite3_bind_blob() interface. check-in: 80de1ad5 user: drh tags: trunk
2016-02-17
20:47
When VDBE opcodes fail, they cause an immediate exit from the loop, rather than depending on the rc==SQLITE_OK test at the top of the loop. This is faster and smaller. check-in: 24c7151c user: drh tags: trunk
18:44
Fix up all VDBE opcodes so that they cause an immediate exit on any kind of error, and thereby eliminate the need to test "rc" at the top of the loop. Resulting code is a little smaller and faster. Closed-Leaf check-in: a444633a user: drh tags: vdbe-performance
15:01
Bump the version number to 3.12.0. check-in: c17d7276 user: drh tags: trunk
14:48
Remove the "#ifdef SQLITE_TEST" condition from fts5_test_mi.c. Update fts5_main.c so that if SQLITE_FTS5_TEST_MI is defined when it is built the fts5_test_mi.c entry point is automatically called. This makes it easier to build versions of fts5 that include the matchinfo() demo by default. check-in: 87e6e225 user: dan tags: trunk
14:11
Improve test coverage of demo code in fts5_test_mi.c. check-in: 8a78050d user: dan tags: trunk
13:24
Enhance Lemon to generate more compact and efficient code for yy_reduce(). Update the main SQL grammar to take advantage of the new capabilities. check-in: 53fd040c user: drh tags: trunk
12:34
More agressive use of /*A-overwrites-X*/ in the parser. Fix an off-by-one error in parser stack overflow detection. Closed-Leaf check-in: 417e7777 user: drh tags: parser-performance
11:13
Documentation typo on sqlite3_wal_hook(). No changes to code. check-in: fc2043eb user: drh tags: trunk
04:33
Enhance Lemon so that if reduce code contains a comment of the form "/*A-overwrites-X*/" then a LHS label A is allowed to overwrite the RHS label X. check-in: 5cfe9545 user: drh tags: parser-performance
01:46
Further improvements to the Lemon-generated code for yy_reduce(). check-in: ef95a7d6 user: drh tags: parser-performance
01:18
In Lemon, add the ability for the left-most RHS label to be the same as the LHS label, causing the LHS values to be written directly into the stack. check-in: 4bb94c7c user: drh tags: parser-performance
2016-02-16
21:19
Experimental changes to Lemon for improved parser performance. check-in: a65d583c user: drh tags: parser-performance
13:04
Minor simplification to the tokenizer. Slightly smaller and faster. check-in: 9570b6b4 user: drh tags: trunk
01:01
Improve the Lemon parser template (lempar.c) so that it avoids unnecessary work when the grammer defines YYNOERRORRECOVERY (as SQLite does). Slightly smaller and faster code results. check-in: 9235b0cf user: drh tags: trunk
2016-02-15
23:46
Fix a harmless compiler warning in FTS5. check-in: e52c9075 user: drh tags: trunk
22:37
Readability improvements for winRandomness. check-in: 1640f814 user: mistachkin tags: trunk
22:28
Fix comment. No changes to code. check-in: 2e1f2eff user: mistachkin tags: trunk
22:01
Revise compiler checks for the rand_s() function. check-in: 287f508d user: mistachkin tags: trunk
21:31
On windows systems when rand_s() is available, use it to obtain additional seed material in winRandomness(). check-in: 139081be user: drh tags: trunk
20:41
Improved entropy gathering for the implementation of winRandomness(). check-in: fea3705e user: drh tags: trunk
19:38
Add working -q and --help options to testfixture. check-in: 404494e5 user: drh tags: trunk
18:58
In the tool/warning.sh script, disable Android-specific compiler warning tests when not running on Linux. check-in: 153f01a8 user: drh tags: trunk
18:47
Fix harmless compiler warnings previously seen in 64-bit MSVC builds. check-in: 70262463 user: drh tags: trunk
18:15
Add the SQLITE_NOMEM_BKPT macro to enhance the ability to debug OOM errors. Only effective with compiling with SQLITE_DEBUG. check-in: 9b345476 user: drh tags: trunk
18:02
Minor code simplifications. check-in: c3b38efd user: drh tags: trunk
17:56
Make the application-defined SQL function logic more compact and faster, especially faster for the case where an application defines thousands of new SQL functions. check-in: 7d49ed32 user: drh tags: trunk
17:29
Version 3.11.0 check-in: 3d862f20 user: drh tags: trunk, release, version-3.11.0
15:06
Make sure the codec is invoked when overwriting existing frames of the WAL file. Yikes! check-in: f694e60a user: drh tags: trunk
00:34
Improvements to the application-defined function mechanism so that it is more compact and runs faster, especially when the application defines thousands of new SQL functions. Closed-Leaf check-in: 3201fbcc user: drh tags: many-app-functions
2016-02-14
00:14
Update a comment. Closed-Leaf check-in: e9753d9a user: mistachkin tags: noMemBkpt