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50 descendants and 50 ancestors of 19c2e4b2f164521e

2018-06-20
09:23
Add tests to improve coverage of code in window.c. Fix a problem with "SELECT row_number() OVER ()". (check-in: f41b6b7317 user: dan tags: exp-window-functions)
2018-06-19
19:15
Merge latest trunk changes with this branch. (check-in: 6ad0e64b46 user: dan tags: exp-window-functions)
18:11
Fix a problem caused by a sub-query containing a window function in the FROM clause of a query that itself uses a window function. (check-in: f4b1b6f85b user: dan tags: exp-window-functions)
17:13
Fix a problem with using min() or max() as a window function. (check-in: 801074ce63 user: dan tags: exp-window-functions)
2018-06-18
20:34
Fix problems with using window functions in CREATE VIEW statements. (check-in: 943bccd2a6 user: dan tags: exp-window-functions)
17:36
Ensure that all four callbacks are provided when registering a window function (otherwise SQLITE_MISUSE is returned). (check-in: 5720dcd8b1 user: dan tags: exp-window-functions)
16:55
Add new API function sqlite3_create_window_function(), for creating new aggregate window functions. (check-in: da03fb4318 user: dan tags: exp-window-functions)
2018-06-15
20:46
Add extra OOM test. (check-in: ac251f7260 user: dan tags: exp-window-functions)
19:01
Fix another problem in lead()/lag(). And some errors that could occur following OOM faults. (check-in: fadd4dc119 user: dan tags: exp-window-functions)
16:10
Fix a bug in the lead() and lag() window functions causing them to fail when used in queries featuring multiple window functions. (check-in: 3839fb18f9 user: dan tags: exp-window-functions)
2018-06-14
20:52
Fix a problem with handling of statements containing two or more different windows. (check-in: 567e09ef2a user: dan tags: exp-window-functions)
19:06
Fix problem with window functions min() and max() when used with a PARTITION clause and a frame starting point other than "UNBOUNDED PRECEDING". (check-in: 43eb1e75a4 user: dan tags: exp-window-functions)
14:30
Merge latest trunk changes into this branch. (check-in: 5cf5f1808a user: dan tags: exp-window-functions)
14:27
Improve comments and code legibility in new file window.c. (check-in: bb915854d4 user: dan tags: exp-window-functions)
2018-06-13
20:29
Fix problems with "RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING" window frames. (check-in: c34f31dbd7 user: dan tags: exp-window-functions)
2018-06-12
20:53
Fix another issue to do with window-functions in aggregate queries. (check-in: 6413e38a17 user: dan tags: exp-window-functions)
18:40
Fix some problems with using window-functions in aggregate queries. (check-in: fe7081e095 user: dan tags: exp-window-functions)
2018-06-11
20:50
Clarify the relationship between a Window object and its associated Expr. (check-in: 0cd55e98a4 user: dan tags: exp-window-functions)
18:16
Fix handling of window frames containing negative number of rows. e.g. "ROWS x PRECEDING AND y PRECEDING" where (x<y). (check-in: b6d9c7eda8 user: dan tags: exp-window-functions)
11:19
Fix a typon in main.mk. (check-in: e74f86f271 user: dan tags: exp-window-functions)
2018-06-10
07:42
Update Makefile.msc to include window.c in the build. (check-in: 16db73842a user: dan tags: exp-window-functions)
2018-06-09
18:09
Merge recent trunk changes with this branch. (check-in: c71f23590c user: dan tags: exp-window-functions)
17:58
Update the amalgamation build script to include window.c. (check-in: 21d2f4a62e user: dan tags: exp-window-functions)
17:43
Add support for FILTER clause on aggregate window functions. (check-in: ceaf798ea0 user: dan tags: exp-window-functions)
2018-06-08
20:58
Add support for the WINDOW clause. (check-in: 19c983b511 user: dan tags: exp-window-functions)
16:11
Do not flatten sub-queries that contain window functions. (check-in: 236cb75bd1 user: dan tags: exp-window-functions)
11:45
Fixes to allow group_concat() to be used as a window function. (check-in: 89bbc9ba8f user: dan tags: exp-window-functions)
2018-06-07
20:35
Merge latest trunk changes with this branch. (check-in: 2510220342 user: dan tags: exp-window-functions)
20:08
Add window functions lag() and lead(). (check-in: ef34207073 user: dan tags: exp-window-functions)
17:45
Add support for window function first_value(). (check-in: 060b264028 user: dan tags: exp-window-functions)
15:54
Fix problems with the nth_value() function. (check-in: 63002b9a09 user: dan tags: exp-window-functions)
2018-06-06
20:51
Add implementation of nth_value() window function. (check-in: eb1fb420ac user: dan tags: exp-window-functions)
2018-06-05
16:16
Add implementation of last_value() window function. (check-in: 2493ce1a40 user: dan tags: exp-window-functions)
2018-06-04
18:55
Add implementation of window function ntile(). (check-in: 3f093f608c user: dan tags: exp-window-functions)
08:28
Merge latest trunk changes into this branch. (check-in: 83d6416a86 user: dan tags: exp-window-functions)
08:22
Add support for window function cume_dist(). Improve tests for percent_rank(). (check-in: 76543f7dd3 user: dan tags: exp-window-functions)
2018-06-02
21:04
Add support for window functions row_number(), rank(), dense_rank() and percent_rank(). (check-in: 91c1cb7a21 user: dan tags: exp-window-functions)
2018-06-01
21:00
Allow an entire partition to be cached in a temp table for all types of window frames. This is required by nth_value() and others. (check-in: b5b18f6613 user: dan tags: exp-window-functions)
2018-05-30
20:44
Allow min() and max() to be used as window functions. (check-in: c16125a884 user: dan tags: exp-window-functions)
2018-05-28
18:30
Further window frame tests and fixes. (check-in: e74c6e9185 user: dan tags: exp-window-functions)
2018-05-26
21:17
More fixes for different window frame types. (check-in: 2c85668a0f user: dan tags: exp-window-functions)
2018-05-25
20:30
Fix "RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING" window frame processing. (check-in: b4e9c68669 user: dan tags: exp-window-functions)
09:36
Merge latest trunk changes into this branch. (check-in: 6232519899 user: dan tags: exp-window-functions)
09:29
Fixes for "ROWS BETWEEN <expr> FOLLOWING AND <expr> FOLLOWING" and "ROWS BETWEEN <expr> FOLLOWING AND UNBOUNDED FOLLOWING" (check-in: 5ac44872fd user: dan tags: exp-window-functions)
2018-05-24
21:10
Allow "<expr> PRECEDING" to be used to specify the end of a window frame. (check-in: 7b709a989c user: dan tags: exp-window-functions)
17:49
Support other frame types that use "<expr> PRECEDING" or "<expr> FOLLOWING" as start or end conditions. (check-in: ec7b648c7f user: dan tags: exp-window-functions)
2018-05-23
20:55
Add support for "ROWS BETWEEN <expr> PRECEDING AND <expr> FOLLOWING" window frames. (check-in: 3a203660f1 user: dan tags: exp-window-functions)
2018-05-22
20:36
Merge latest trunk changes into this branch. (check-in: cdb68d2c64 user: dan tags: exp-window-functions)
20:35
Add comments to window.c describing how other window frames will be implemented. (check-in: 16168146b2 user: dan tags: exp-window-functions)
2018-05-21
19:45
Begin adding support for more esoteric window frames. (check-in: bc4b81d60d user: dan tags: exp-window-functions)
2018-05-19
14:15
Fix minor problems on this branch. (check-in: 19c2e4b2f1 user: dan tags: exp-window-functions)
2018-05-17
19:24
Evaluate multiple window functions in a single pass if they use the same window definition. Add xValue callbacks for other built-in aggregate functions. (check-in: c9f0f14094 user: dan tags: exp-window-functions)
14:26
Handle multiple window-functions in a single query. (check-in: 35af0b750e user: dan tags: exp-window-functions)
2018-05-16
20:58
Start of experimental implementation of SQL window functions. Does not yet work. (check-in: 3781e52085 user: dan tags: exp-window-functions)
15:35
Enhance the sqlite3_str_new() interface so that it always returns a valid and non-NULL pointer even in an OOM condition. (check-in: ed5b09680f user: drh tags: trunk)
12:19
Correct output for the fullkey column of json_each() when the total JSON input is a simple value, not an array or object. (check-in: b45b18850c user: drh tags: trunk)
2018-05-15
09:09
Fix a test case problem in wherelimit.test. (check-in: 3012df8b2c user: dan tags: trunk)
2018-05-14
22:46
Make more aggressive use of automatic indexes when processing materalized views and subqueries. (check-in: 172f5bd27e user: drh tags: trunk)
15:26
Convert the schema creation logic in the rtree extension to use the new sqlite3_str interface. (check-in: fd8b8c4196 user: drh tags: trunk)
12:23
Fix typo in the shell.c source file. (check-in: 389dc0a901 user: mistachkin tags: trunk)
00:41
Export the deduceDatabaseType() function the shell.c source file. (check-in: d0f35739af user: drh tags: trunk)
00:23
Add the --append option to the ".backup" command in the CLI. (check-in: 0dfdbdee52 user: drh tags: trunk)
2018-05-12
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: 4ee136d6d2 user: drh tags: trunk)
2018-05-11
19:11
In the CLI, return non-zero if there are errors on the command-line. (check-in: 13e7300a37 user: drh tags: trunk)
15:10
Fix a typo in the help message from the ".sha3sum" command in the CLI. (check-in: dba87a2018 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: 20a8c61122 user: drh tags: trunk)
14:02
Fix a typo in the help message from the ".sha3sum" command in the CLI. (check-in: e76f676c12 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: 2b8fd3b497 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: 9f7a6ae878 user: dan tags: trunk)
15:17
Add 14 new interfaces to the loadable extension mechanism. (check-in: 0e809cdcbd user: drh tags: trunk)
14:29
Fix minor problems with the sqlite3_str interface. (check-in: 43ea8a6836 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: 87f261f0cb user: drh tags: trunk)
10:11
Fix a typo in a comment used for documentation. No code changes. (check-in: b866693e6a 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: 0c3f128fd7 user: drh tags: trunk)
13:03
Fix a harmless compiler warning in fuzzcheck. Add new OSSFuzz test cases to the test case library. (check-in: d2619746cb user: drh tags: trunk)
12:49
Fuzz test cases for UPSERT. (check-in: fd11fbd218 user: drh tags: trunk)
2018-05-07
18:41
Activate the cell-overwrite optimization for index b-trees. (check-in: a68697d10e user: drh tags: trunk)
17:27
Improved comments on the cell-overwrite optimization code. (check-in: a4fe966da2 user: drh tags: trunk)
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: 5887d8beb5 user: drh tags: trunk)
11:37
Fix harmless compiler warnings associated with the new EXPLAIN QUERY PLAN logic. (check-in: 374d8e2644 user: drh tags: trunk)
11:29
Fix harmless compiler warnings in the cell-overwrite logic. (Closed-Leaf check-in: 3e11dc3183 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: b348d1193a 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: 5d61e75f32 user: drh tags: trunk)
01:23
Fix a slightly incorrect corruption detection branch in the btree logic. (check-in: 9191ff670c user: drh tags: trunk)
2018-05-04
19:18
Merge enhancements from trunk. (check-in: 9650f71b82 user: drh tags: cell-overwrite-prototype)
18:32
Fix requirements marks. No code changes. (check-in: 7fdad122a2 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: 03edecaf9d 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: 75ac7b4e4f 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: c381f0ea57 user: drh tags: trunk)
22:52
Fix a branch that has become unreachable due to recent enhancements. (check-in: 81ab5e0d10 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: 260fc69653 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: ff01bbdabc user: drh tags: trunk)
19:47
Optimizations to the new EQP framework. (Closed-Leaf check-in: 956fef361a 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: f89b54f414 user: drh tags: cell-overwrite-prototype)
14:07
The BtCursor.info fields are only valid if info.nSize!=0. (check-in: 54c537eead user: drh tags: cell-overwrite-prototype)
13:56
Add more corruption checking to the cell overwrite logic. (check-in: 58d14afe1e user: drh tags: cell-overwrite-prototype)
12:57
Bug fixes in the overwrite optimization. (check-in: 0cb6cd2a6a 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: 489451b378 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: c75eee69fa user: drh tags: rework-EQP)
2018-05-02
19:42
More test case updates. Tests are all running now. (check-in: dab5e52948 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: 5f0e803e33 user: drh tags: rework-EQP)