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147 events for the month beginning 2018-01-01 by user drh
Following month ↑|
2018-01-31
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| 16:50 | Improve the omit-left-join optimization so that it works in some cases when the RHS is subject to a UNIQUE but not NOT NULL constraint. (check-in: 02ba8a7b user: drh tags: trunk) | |
| 01:38 | Changes to the autoconf tarball so that it does not try to use system() when building on iOS. (check-in: 32ed9c10 user: drh tags: trunk) | |
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2018-01-27
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| 14:25 | Changes to avoid a harmless UB warning from clang. (check-in: 19f5c140 user: drh tags: trunk) | |
| 13:56 | • Fixed ticket [ec32177c]: Incorrect result with complex OR-connected WHERE and STAT4 plus 3 other changes (artifact: 83c4e1e2 user: drh) | |
| 13:55 | New test case for ticket [ec32177c99ccac2b1] that works without the STAT4. (check-in: 5259d484 user: drh tags: trunk) | |
| 05:40 | Proposed fix for the query planner problem of ticket [ec32177c99ccac2b1]. (check-in: eef8cbef user: drh tags: trunk) | |
| 04:43 | • Ticket [ec32177c] Incorrect result with complex OR-connected WHERE and STAT4 status still Open with 6 other changes (artifact: f5d59ef0 user: drh) ... 1 similar event omitted. | |
| 03:26 | Fix compiler warnings in zipfile.c. (check-in: bed610d9 user: drh tags: trunk) | |
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2018-01-26
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| 23:48 | • Fixed ticket [80177f0c]: Incorrect result when join condition uses a table-valued function plus 5 other changes (artifact: ca393f73 user: drh) | |
| 22:41 | Fix the query planner so that it takes into account dependencies in the arguments to table-valued functions in subexpressions in the WHERE clause. Fix for ticket [80177f0c226ff54f6dd]. (check-in: 7daa6873 user: drh tags: trunk) | |
| 22:26 | • New ticket [80177f0c] Incorrect result when join condition uses a table-valued function. (artifact: 8e86e0cc user: drh) | |
| 18:37 | Improve text-to-integer conversion in boundary cases. The sqlite3Atoi64() function always returns the minimum or maximum integer if the magnitude of the text value is too large. Trailing whitespace is now ignored. (check-in: ace0644a user: drh tags: trunk) | |
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2018-01-25
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| 01:20 | Slightly smaller and faster implementation of OP_If and OP_IfNot. (check-in: 6ab42934 user: drh tags: trunk) | |
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2018-01-24
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| 20:42 | When unpacking a sorter record, do so from right to left instead of left to right, since by starting with the right-most column, the work done by OP_Column opcodes is reduced. (check-in: 8055e4f4 user: drh tags: trunk) | |
| 16:04 | Rearrange fields of the BtCursor object so that it is smaller and requires less initialization, for a small performance improvement. (check-in: 0ddf5292 user: drh tags: trunk) | |
| 15:07 | Add the normalize.c extension. (check-in: 16ebe558 user: drh tags: trunk) | |
| 15:02 | Merge changes from trunk. (check-in: 6ef3de81 user: drh tags: memdb) | |
| 14:58 | • Edit [cbec1bfe4b9f0e9f|cbec1bfe]: Mark "Closed". (artifact: e02af0b9 user: drh) | |
| 14:40 | Interchange the numeric codes for CURSOR_VALID and CURSOR_INVALID to obtain a small size decrease and performance increase. (check-in: e0f192ea user: drh tags: trunk) | |
| 14:39 | Adjust the fts3rank.test module so that it works on big-endian systems (hopefully - I don't have a big-endian machine to test the change on.) (check-in: e4766cab user: drh tags: trunk) | |
| 13:15 | Improved error message output when the btreeinfo.c extension is run in a connection that lacks sqlite_dbpage support. (check-in: 461b0b81 user: drh tags: trunk) | |
| 12:14 | Prevent a harmless unused variable warning when compiling with SQLITE_OMIT_TRACE. (check-in: 61a44961 user: drh tags: trunk) | |
| 11:29 | Fix a formatting issue in sqlite3_prepare_v3() documentation. No changes to code. (check-in: 9e6066de user: drh tags: trunk) | |
| 11:25 | Fix the sqlite3ext.h header file so that it correctly accesses the new sqlite3_value_nochange() and sqlite3_vtab_collation() interfaces. (check-in: 6185d190 user: drh tags: trunk) | |
| 01:58 | Make the shell functional even if compiled with SQLITE_OMIT_COMPLETE. Omit the sqlite3_complete() call from the fuzzing interface if it is compiled with SQLITE_OMIT_COMPLETE. (check-in: c3e816cc user: drh tags: trunk) | |
| 01:02 | Invoke the sqlite3_complete() interface from the fuzzer. (check-in: 332bf846 user: drh tags: trunk) | |
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2018-01-23
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| 20:22 | Increase the version number to 3.23.0 for the next development cycle. (check-in: b58b60b2 user: drh tags: trunk) | |
| 19:24 | Remove an unreachable branch from sqlite3SkipAccumulatorLoad(). (check-in: 8b9c8eab user: drh tags: trunk) | |
| 18:00 | • Fixed ticket [7310e2fb]: Valid row-value syntax is rejected plus 6 other changes (artifact: e1e0573a user: drh) | |
| 18:00 | • Edit [14dfd96f9bca2df5|14dfd96f]: Edit check-in comment. (artifact: 96b72b3b user: drh) | |
| 17:59 | • New ticket [7310e2fb] Valid row-value syntax is rejected. (artifact: f3e9ec99 user: drh) | |
| 17:33 | Work around a problem with GCC on 32-bit machines that cause the CAST operator to generate a floating-point result for strings that could be represented as very large integers. (check-in: 1b027319 user: drh tags: trunk) | |
| 15:26 | Fix the modification-time setting logic in the fileio.c extension on Windows so that it works with utf8 filenames. (check-in: f785b904 user: drh tags: trunk) | |
| 13:30 | Fix comment typos. No changes to code. (check-in: 8e5e74c6 user: drh tags: trunk) | |
| 04:22 | Slightly faster implementation of the length() SQL function. (check-in: 9a4199ae user: drh tags: trunk) | |
| 03:44 | Slightly faster function dispatch in the virtual machine by avoiding unnecessary reinitialization of variables that are already correctly initialized. (check-in: edd4e687 user: drh tags: trunk) | |
| 01:56 | Enhance the PRAGMA noop_update statement so that the behavior persists across reprepare operations. (Leaf check-in: c25da6de user: drh tags: noop-update-reprepare) | |
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2018-01-22
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| 19:04 | Merge all version-3.22.0 changes. (check-in: 27e20d69 user: drh tags: apple-osx) | |
| 18:45 | Version 3.22.0 (check-in: 0c55d179 user: drh tags: trunk, release, version-3.22.0) | |
| 15:45 | Avoid unnecessary OOM detection warnings in a debugging routine. (check-in: 395f8ea7 user: drh tags: trunk) | |
| 14:49 | On the walro2-X.4.2.2 test case, show the size as part of the test output. (check-in: ac5091d7 user: drh tags: trunk) | |
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2018-01-18
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| 17:09 | Update the autoconf configure.ac script and Makefile.am templates so that ZLIB is automatically detected and used. (check-in: 41bfb6b8 user: drh tags: trunk) | |
| 16:52 | Fix to the documentation for sqlite3_trace_v2(). No changes to code. (check-in: 6fbd0a11 user: drh tags: trunk) | |
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2018-01-17
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| 21:14 | Alternative implementation for the internal sqlite3Pow10() utility for MSVC, which is more accurate on that platform. (check-in: 469b96be user: drh tags: trunk) | |
| 13:15 | Fix harmless compiler warnings, mostly unused parameters for UDFs in the CLI. (check-in: bfbeffab user: drh tags: trunk) | |
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2018-01-16
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| 21:05 | Remove an unused field from the internal definition of the sqlite3_context object. (check-in: 948a26b5 user: drh tags: trunk) | |
| 21:00 | Fix compiler warning in the FTS5 test interface. (check-in: 2ab4e8d5 user: drh tags: trunk) | |
| 20:50 | Make the new sqlite3_vtab_collation() interface accessible to loadable extensions. (check-in: f301db3c user: drh tags: trunk) | |
| 20:37 | Remove the unused SQLITE_CANTOPEN_DIRTYWAL result code. (check-in: 3c786305 user: drh tags: trunk) | |
| 20:05 | Move the ZLIB version announcement in the CLI out of the default banner and put it in the ".version" command. (check-in: 231679d6 user: drh tags: trunk) | |
| 13:50 | • Fixed ticket [47b2581a]: Infinite loop on UPDATE plus 5 other changes (artifact: ceefd4de user: drh) | |
| 13:39 | • Edit [feb2c2b6f66b0f45|feb2c2b6]: Edit check-in comment. (artifact: 4acdbb8b user: drh) | |
| 12:54 | • New ticket [47b2581a] Infinite loop on UPDATE. (artifact: 0e79b53b user: drh) | |
| 02:38 | Disable the ".archive" command tests in shell8.test if the CLI is compiled without ZLIB support. (check-in: ce8bfe6c user: drh tags: trunk) | |
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2018-01-15
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| 21:59 | Merge the enhancements associated with the first 3.22.0 beta. (check-in: c9d2ec51 user: drh tags: apple-osx) | |
| 14:32 | Fix an error in the setDeviceCharacteristics() procedure for the (unsupported) QNX code in os_unix.c. (check-in: 8151913a user: drh tags: trunk) | |
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2018-01-14
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| 20:12 | Avoid excess stack usage when a VALUES clause with lots of rows occurs within a scalar expression. This fixes a problem discovered by OSSFuzz. (check-in: a4fa0581 user: drh tags: trunk) | |
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2018-01-13
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| 23:28 | Fix harmless compiler warnings in zipfile.c. (check-in: 8f7a592f user: drh tags: trunk) | |
| 14:28 | Fully initialize the Mem object for serial-type 10, in case such a serial-type is found in a corrupt database file. (check-in: bd70a07d user: drh tags: trunk) | |
| 01:53 | Add the new "nochange" APIs to the extension loading mechanism. (check-in: cd7c4269 user: drh tags: trunk) | |
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2018-01-12
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| 23:38 | Add the sqlite3_value_nochange() API, usable from within the xUpdate method of a virtual table to discover whether or not a column was unchanged at the SQL level. (check-in: dec3ea4e user: drh tags: trunk) | |
| 23:18 | Improved comments. Slightly tighter implementation, but no big changes. (Closed-Leaf check-in: a1b3f285 user: drh tags: sqlite3_value_nochange) | |
| 21:00 | Add the experimental sqlite3_value_nochange() interface usable by xUpdate methods of virtual tables to see if a column has actually changed values. (check-in: 8b7be15e user: drh tags: sqlite3_value_nochange) | |
| 19:33 | Simplification to the implementation of OP_Insert. (check-in: 6acbdba5 user: drh tags: trunk) | |
| 18:46 | Avoid an unnecessary branch when not using pre-update hooks. (check-in: ec96707e user: drh tags: trunk) | |
| 18:03 | Fix obsolete comments. No changes to code. (check-in: ec39c99b user: drh tags: trunk) | |
| 14:34 | Always use utimes() instead of utimensat() since the latter is not available even on some recent unix systems. (check-in: 30ed7a4b user: drh tags: trunk) | |
| 00:30 | Enable the one-pass optimization for DELETE and UPDATE on RTree. This is parked in a branch because is seems to make no measureable performance difference. (Leaf check-in: 8b8314cb user: drh tags: rtree-one-pass) | |
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2018-01-11
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| 18:15 | Add the sqlite3_vtab_nochange() interface. Test cases are in TH3. (check-in: a5d09dfa user: drh tags: trunk) | |
| 17:04 | Add the sqlite3_vtab_nochange() method which virtual table implementations can use to optimize UPDATEs. (Closed-Leaf check-in: d444b1ff user: drh tags: sqlite3_vtab_nochange) | |
| 14:50 | Minor formatting changes in zipfile.c. No logical code differences. (check-in: 4f68bed3 user: drh tags: trunk) | |
| 13:43 | Fix typo in comment. No code changes. (check-in: 2c55571b user: drh tags: trunk) | |
| 00:38 | Update the .help screen in the CLI. Make sure the temporary files for ".open" are not deleted too soon. (check-in: b8d92d8d user: drh tags: trunk) | |
| 00:04 | Add the built-in edit(VALUE) and edit(VALUE,EDITOR) function to the CLI. (check-in: ef823c47 user: drh tags: trunk) | |
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2018-01-10
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| 23:29 | Add the ".once -e" and ".once -x" commands to the CLI, and the ".excel" command that is an alias for ".once -x". (check-in: a6ed5ab9 user: drh tags: trunk) | |
| 23:27 | Update test cases for the new "usage" for .output. (Closed-Leaf check-in: fbf5e43c user: drh tags: excel-shell-cmd) | |
| 22:27 | Save and restore the output mode when doing ".once -x" or ".excel". (check-in: f697c164 user: drh tags: excel-shell-cmd) | |
| 22:15 | An attempt to get ".once -e" working reliably on Windows. (check-in: 9b97f9d2 user: drh tags: excel-shell-cmd) | |
| 21:50 | Fix a potential SQLITE_MISUSE in the .excel command when no database is open. (check-in: 9b95ff1a user: drh tags: excel-shell-cmd) | |
| 21:41 | Add support for the ".excel" command (and ".once -e" and ".once -x") in the CLI. (check-in: 23fa7c57 user: drh tags: excel-shell-cmd) | |
| 19:50 | Fix a harmless compiler warning in zipfile.c (check-in: 60c694c1 user: drh tags: trunk) | |
| 19:15 | Include RTREE in the default CLI build. (check-in: 6a6a3d49 user: drh tags: trunk) | |
| 18:09 | Modify the new "--append" option to the .archive so that it takes a filename argument, the same as "--file". (check-in: 58e3b07c user: drh tags: trunk) | |
| 17:44 | Add the lsmode(MODE) function in the fileio.c extension and use that function in the .archive implementation. Add the --append and --dryrun options to the .archive command and remove the --zip option, making it automatic. (check-in: 38f28029 user: drh tags: trunk) | |
| 17:39 | Fix minor problems with the new ".archive" command changes. (Closed-Leaf check-in: 612b30c9 user: drh tags: archive-improvements) | |
| 17:19 | In the fileio.c extension, change the filetype(MODE) function into lsmode(MODE). Use the new lsmode(MODE) function in shell.c. (check-in: 52d12ba9 user: drh tags: archive-improvements) | |
| 16:50 | Implement the ".ar --create" command using a single "REPLACE INTO sqlar SELECT ... FROM fsdir();" statement. Add the shell_putsnl() SQL function for providing --verbose output. (check-in: 28ab9304 user: drh tags: archive-improvements) | |
| 15:53 | Add the "filetype()" SQL function for interpreting file modes to the fileio.c extension. (check-in: 58c0c74c user: drh tags: archive-improvements) | |
| 15:17 | The ".ar" command deduces whether or not the target file is a ZIP or SQLAR and does the appropropriate thing. The "-z" option is omitted. The "--append" option is added to open auxiliary databases using apndvfs. (check-in: 430d1a7d user: drh tags: archive-improvements) | |
| 14:00 | • Edit [55116dc30ff87878|55116dc3]: Mark "Closed". (artifact: 5fa0a6c4 user: drh) | |
| 14:00 | Allow the use of ".ar -t" without specifying an archive file or the "-z" option when the command-line shell is opened on a ZIP archive. (check-in: 9340a2c1 user: drh tags: archive-improvements) | |
| 13:58 | Tag an unreachable branch using ALWAYS(). (check-in: c42c734f user: drh tags: trunk) | |
| 13:57 | • Edit [55116dc30ff87878|55116dc3]: Move to branch mistake. Edit check-in comment. (artifact: 265f86ad user: drh) | |
| 13:44 | Checked into the wrong branch. (Closed-Leaf check-in: 55116dc3 user: drh tags: mistake) | |
| 13:11 | Work on the ".archive" command. (1) Add the --dryrun option. (2) Do not require --file when open on a ZIP archive. (3) Miscellaneous code simplifications. This is an incremental check-in of work in progress. (check-in: a2baada4 user: drh tags: archive-improvements) | |
| 00:53 | Rearrange some routines in shell.c to avoid the need to forward reference a static function. (check-in: fd7f51a1 user: drh tags: trunk) | |
| 00:40 | Compute the correct column name even if the column identifier is the very last token in the SQL statement. This fixes a problem introduced by check-in [0fdf97efe5df745510c6b] and reported by the community during beta-testing. (check-in: 36b89d72 user: drh tags: trunk) | |
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2018-01-09
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| 15:28 | Updates to the README.md file for the ext/misc directory. No code changes. (check-in: 6b3f4349 user: drh tags: trunk) | |
| 14:27 | Attempt to fix the fileio.c extension so that it builds on MinGW-64. (check-in: a7446d32 user: drh tags: trunk) | |
| 02:27 | Avoid a compiler warning when building with newer versions of MinGW (check-in: cba0206a user: drh tags: trunk) | |
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2018-01-08
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| 20:04 | Test cases for sqlite3_normalize(). (Closed-Leaf check-in: 658f4225 user: drh tags: normalize) | |
| 19:29 | Special handling of the NULL keyword. Sometimes it is a literal, and sometimes it is a keyword. (check-in: db5d138e user: drh tags: normalize) | |
| 19:18 | Add IN-operator normalizating and the SQLITE_NORMALIZE_CLI compile-time option for generating a stand-alone program. (check-in: d77dbb39 user: drh tags: normalize) | |
| 16:54 | First code for an auxiliary function that will normalize an SQL statement. (check-in: 84814aac user: drh tags: normalize) | |
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2018-01-07
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| 23:28 | Avoid the use of utimensat() on older unix platforms. (check-in: 90cb01d8 user: drh tags: trunk) | |
| 21:58 | Remove the dependency on test_windirent.h from the generated shell.c file. (check-in: 0a50c9e3 user: drh tags: trunk) | |
| 20:38 | Modify the sqltclsh startup script to look for a properly formatted SQLAR at the end of the executable. Fix the CLI so that it automatically links against appendvfs and so that the --append command-line option works. (check-in: 67c4a8c6 user: drh tags: trunk) | |
| 19:52 | Improved comments on the sqlar.c and compress.c extensions that describe the differences between the "zlib format" used by SQLAR, the raw deflate format used by ZIP, and the custom format used by compress.c. No changes to code. (check-in: c13415c5 user: drh tags: trunk) | |
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2018-01-06
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| 21:46 | The shell detects and opens ZIP archives using the zipfile extension. (check-in: 05c99eb8 user: drh tags: trunk) | |
| 19:19 | In the shell, include the ".archive" command only if compiling with SQLITE_HAVE_ZLIB. Add ".archive" to the ".help" output. (check-in: 366469f5 user: drh tags: trunk) | |
| 15:49 | Better whitespace in the "CREATE TABLE sqlar()" statement for the ".ar" command. (check-in: 252ee55a user: drh tags: trunk) | |
| 15:46 | Improved output from ".schema --indent" when a column definition is followed by a comment. (check-in: 87da7eff user: drh tags: trunk) | |
| 13:42 | Add the appendvfs extension and code for the sqltclsh.exe executable. (check-in: b0a43e32 user: drh tags: trunk) | |
| 13:33 | Fix the appendvfs so that it leaves sqlite3_file->pMethods as NULL if it fails to open. (Closed-Leaf check-in: 46b341e3 user: drh tags: appendvfs) | |
| 04:34 | Add sqltclsh.exe to the windows makefile. (check-in: a6d5c7c2 user: drh tags: appendvfs) | |
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2018-01-05
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| 21:01 | Make sure i64 and u64 typedefs are available throughout shell.c. (check-in: 656fb5aa user: drh tags: trunk) | |
| 20:30 | Fix the shell.c.in amalgamator script so that it avoids generating redundant typedef statements. (check-in: 6c53c740 user: drh tags: trunk) | |
| 19:49 | Fix the autoconf makefile so that it builds testfixture correctly. (check-in: fbfe04c0 user: drh tags: trunk) | |
| 19:01 | Add the ".ar" command to the command-line shell. (check-in: 148b8aee user: drh tags: trunk) | |
| 18:51 | Fix a bug introduced by efforts to reduce compiler warnings in check-in [364ac333b030f0] (Closed-Leaf check-in: 1d6cee9a user: drh tags: sqlar-shell-support) | |
| 16:23 | Fix missing dependencies for shell.c in all makefiles. (check-in: 45495d3e user: drh tags: sqlar-shell-support) | |
| 14:55 | Fix compiler warnings. (check-in: 364ac333 user: drh tags: sqlar-shell-support) | |
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2018-01-04
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| 19:54 | Merge in all recent trunk enhancements. (check-in: 406f7918 user: drh tags: sqlar-shell-support) | |
| 19:20 | Remove the snarky "_supported_" qualifier from the name of the sqlite_offset() SQL function. (check-in: a6eee0fc user: drh tags: trunk) | |
| 16:40 | Fix a broken documentation hyperlink. No code changes. (check-in: d91e3f3d user: drh tags: trunk) | |
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2018-01-03
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| 23:54 | Fix compiler warnings on Windows. (check-in: 512b8e40 user: drh tags: memdb) | |
| 23:40 | New test cases and fixes for minor problems. (check-in: e0da2cc3 user: drh tags: memdb) | |
| 22:48 | Miscellaneous code and comment cleanup. (check-in: fa6069fb user: drh tags: memdb) | |
| 19:03 | Replace sqlite3_memdb_config() with sqlite3_deserialize(). Remove the "db memdb" command from the TCL interface, replacing it with "db serialize" and "db deserialize". (check-in: 2f6e9df9 user: drh tags: memdb) | |
| 16:49 | Replace the sqlite3_memdb_ptr() interface with the more general sqlite3_serialize() interface. (check-in: 8cf2ed4e user: drh tags: memdb) | |
| 13:20 | Simplify the "sqlite3" command in the TCL interface. The filename is now optional. There is a new --memdb option with an argument that is the blob to which the database content should be initialized. (check-in: 47398ae7 user: drh tags: memdb) | |
| 01:47 | Add another test case (found by OSSFuzz) for the problem fixed in check-in [2846458a] and described by ticket [dc3f932f5a147771]. No changes to code. (check-in: 4165fae9 user: drh tags: trunk) | |
| 01:28 | Add support for the "memdb" VFS and the sqlite3_memdb_ptr() and sqlite3_memdb_config() interfaces, to enable an SQLite database to be manipulated as an in-memory object. (check-in: fb2ac2d2 user: drh tags: memdb) | |
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2018-01-02
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| 21:29 | Fix code indentation. No logic changes. (check-in: e115f258 user: drh tags: trunk) | |
| 18:11 | • Fixed ticket [dc3f932f]: Assertion fault doing a REPLACE with index on an expression. plus 5 other changes (artifact: c50c85c7 user: drh) | |
| 18:11 | In the constraint resolution logic, be careful not to cache column values in registers whose initialization might be bypassed by an OP_NoConflict opcode. Fix for ticket [dc3f932f5a147771] reported by OSSFuzz. (check-in: 2846458a user: drh tags: trunk) | |
| 17:40 | • New ticket [dc3f932f] Assertion fault doing a REPLACE with index on an expression.. (artifact: efd28bca user: drh) | |
| 16:02 | Enhance the memvfs extension so that it can be read/write. (check-in: 04c9197d user: drh tags: trunk) | |
| 13:48 | Updates to the sqlite3_file_control() documentation. No changes to code. (check-in: 240e32ab user: drh tags: trunk) | |
| 12:50 | Do not attempt to use pragma_module_list in the command-line shell unless it has been compiled with -DSQLITE_INTROSPECTION_PRAGMAS. (check-in: 39ca5fcd user: drh tags: trunk) | |
| 00:04 | The ".schema" command in the command-line shell now shows the structure of table-valued functions and eponymous virtual tables if they are named on the ".schema" command line. Example: ".schema sql%" shows the structure of the "sqlite_dbstat" and "sqlite_stmt" virtual tables. (check-in: f80f6651 user: drh tags: trunk) | |
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2018-01-01
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| 21:49 | Improved name quoting and escaping in the auxiliary column info section of the ".schema" output for views and virtual tables. (check-in: d64b14e3 user: drh tags: trunk) | |
| 21:28 | In the output of ".schema", show the column names of virtual tables and views in a separate comment. (check-in: 2234a87f user: drh tags: trunk) | |
| 20:11 | Minor simplification to the ".schema" logic in the command-line shell. (check-in: add45c47 user: drh tags: trunk) | |
| 19:33 | Enable the introspection pragmas for command-line shell builds. (check-in: 0b04223f user: drh tags: trunk) | |
| 16:59 | Experiments with the regexp.c extension, trying to get it to report the exact substring that matches the RE. (Leaf check-in: 3d6fba62 user: drh tags: regexp-span) | |