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50 descendants of [6bfd8655f0]

2019-03-13
17:20
Avoid allocating excessive registers for the PARTITION BY expressions when processing window functions. check-in: 180be26623 user: dan tags: window-functions
15:29
Remove rows from the ephemeral table used by window functions once they are no longer required. check-in: 6ad5531920 user: dan tags: window-functions
13:19
New test cases added to test/fuzzdata8.db check-in: 049e992620 user: drh tags: trunk
11:40
When deserializing a database (sqlite3_deserialize()), do not attempt to parse the schema before the data is loaded. check-in: 4e1b005e8b user: dan tags: trunk
10:29
Detect zero-length free slots on btree pages and report that as corruption. check-in: c4f0568fde user: drh tags: trunk
08:28
Minor optimization in sqlite3WindowCodeStep(). check-in: b1322ffb6e user: dan tags: window-functions
2019-03-12
18:28
Allow real values to be used in PRECEDING and FOLLOWING expressions for RANGE window frames. check-in: 25ff7091cb user: dan tags: window-functions
15:21
Expand on header comment for sqlite3WindowCodeStep(). Further simplify the implementation of the same. check-in: 5129bcc996 user: dan tags: window-functions
09:49
Fix a crash that could occur if the RHS of an IN expression is a correlated sub-query that refers to the outer query from within a window frame definition only. check-in: 0524aaaf45 user: dan tags: trunk
2019-03-11
19:50
Remove "cache mode" from the window frame code generator. Handle the same cases by editing the window frame specification itself. check-in: 0812635383 user: dan tags: window-functions
18:17
Simplify the windows frame code some. Add a comment explaining some of the VM code generated by sqlite3WindowCodeStep(). check-in: 6bd1a07949 user: dan tags: window-functions
11:12
Fix problems with "RANGE ... ORDER BY <expr> DESC" window frames. check-in: e7bced731a user: dan tags: window-functions
2019-03-09
20:49
Add support for RANGE window frames. Some cases still do not work. check-in: ffc32b246d user: dan tags: window-functions
07:38
Merge latest trunk changes into this branch. check-in: 53ea550ce7 user: dan tags: window-functions
2019-03-08
20:57
Add simple tests for GROUPS window frames. check-in: 2872702dac user: dan tags: window-functions
20:26
Fix a harmless bug in the Makefile. check-in: 62ac9cb07f user: drh tags: trunk
20:02
Finish consolidation of window frame code. Add untested support for GROUPS frames. check-in: 954bf36993 user: dan tags: window-functions
16:06
Merge the latest enhancements and fixes from trunk. check-in: 543ecb30d6 user: drh tags: begin-concurrent-pnu-wal2
15:57
Merge the latest enhancements and fixes from trunk. check-in: bf20d4ffcb user: drh tags: wal2
15:30
Merge all the latest enhancements from trunk. check-in: 667cce3dce user: drh tags: begin-concurrent-pnu
14:07
Add new test cases in test/fuzzdata8.db check-in: 97bdc090f3 user: drh tags: trunk
14:02
Patch makes balance_nonroot() slightly smaller and faster and more robust against corrupt databases. check-in: 174da3c32c user: drh tags: trunk
13:27
Fix another segfault in fts3 that could occur with corrupt records. check-in: fcc24edde4 user: dan tags: trunk
01:52
Detect an attempt to drop a btree that is not within the bounds of the database file and abort early with an SQLITE_CORRUPT error, to avoid problems later on in the process. check-in: 235a9698f5 user: drh tags: trunk
2019-03-07
20:47
Fix other "ROWS BETWEEN" cases on this branch. check-in: a5f68f6647 user: dan tags: window-functions
19:26
Modify new window functions function so that cursors are stepped immediately after each operation, instead of immediately before. check-in: 093d2b25f1 user: dan tags: window-functions
2019-03-06
21:04
Simplify the window function code generator some more. check-in: 45cbd3b449 user: dan tags: window-functions
17:12
Improvements to the way built-in window functions are handled. check-in: e8eee566df user: dan tags: window-functions
14:53
Add the sqlite3_stmt_isexplain() interface. check-in: ee642d3e27 user: drh tags: trunk
14:08
Add an "|| CORRUPT_DB" term to an assert() that might be false if the database is corrupt. Also add a branch to have sqlite3PagerMovepage() return SQLITE_CORRUPT in that case. check-in: b0d5cf40bb user: drh tags: trunk
2019-03-05
23:49
Fix a potential 32-bit integer overflow in the "showdb" utility program when it is trying to interpret a corrupt database file. check-in: 3803e75038 user: drh tags: trunk
19:29
Extend windowCodeStep() to handle any ROWS PRECEDING/FOLLOWING frame specification. check-in: af0ea13635 user: dan tags: window-functions
16:53
Add a script to tool/ that will extract the sqlite3.h header file from an sqlite3.c amalgamation. check-in: 38d2e510cd user: drh tags: trunk
14:47
New dbfuzz2 test cases added to test/fuzzdata7.db check-in: 25975e1fb2 user: drh tags: trunk
14:39
If the initial byte of a record is a large value, then always used the generalized record comparison routine sqlite3VdbeRecordCompare() rather than one of the specialized versions that are optimized for shorter records. check-in: c1ac00706b user: drh tags: trunk
2019-03-04
21:08
Merge trunk changes into this branch. check-in: 9b4d561f68 user: dan tags: window-functions
07:25
Merge latest trunk changes into this branch. check-in: 97a9604d85 user: dan tags: reuse-schema
07:15
Fix a problem preventing compilation with SQLITE_OMIT_UTF16. check-in: 906d1fd865 user: dan tags: trunk
2019-03-02
20:09
Improved comments on the fossildelta.c extension. check-in: d7d23f0450 user: drh tags: trunk
15:25
Fix the SQLITE_DIRECT_OVERFLOW_READ compile-time option so that it works with SQLITE_HAS_CODEC. check-in: fd085e9260 user: drh tags: trunk
12:17
Remove a redundant parameter extraction call from the percentile.c extension. check-in: d49c32e6e7 user: drh tags: trunk
2019-03-01
21:37
Merge recent changes from trunk. check-in: f270245a7b user: drh tags: apple-osx
21:33
The fts3_tokenizer() function returns NULL if the SQLITE_DBCONFIG_ENABLE_FTS_TOKENIZER setting is disabled, which is is by default. check-in: f5732f4caf user: drh tags: trunk
21:12
Fix a minor comment typo. No code changes. check-in: 9a0a93c89d user: drh tags: trunk
18:27
Merge the latest enhancements from trunk. check-in: e64ded7b04 user: drh tags: apple-osx
18:07
In a query that uses a partial index, the expression that is the WHERE clause of the partial index must always be true. Use this fact to avoid evaluating identical terms in the WHERE clause of the query. check-in: 9b2879629c user: drh tags: trunk
2019-02-28
20:10
Add the ".parameter" command to the CLI. check-in: 1f9fa58541 user: drh tags: trunk
17:29
Add the new "bind_fallback" method to the "sqlite3" object in the TCL interface. check-in: c7f70b6d96 user: drh tags: trunk
14:09
New test case loaded into test/fuzzdata8.db. check-in: 00ae0c6c48 user: drh tags: trunk
13:41
Avoid an assert() failure and an undefined left-shift operation in the fts3 snippet() function that could occur if the database was corrupt. check-in: d5250db632 user: dan tags: trunk
13:21
Add an "|| CORRUPT_DB" term to an assert() statement in the btree defragmenter. check-in: 6bfd8655f0 user: drh tags: trunk