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50 descendants and 50 ancestors of [f2d5f7a24c]

2019-04-01
19:42
Improvements to the sqlite3ExprImpliesNonNullRow() theorem prover. check-in: 3fde627616 user: drh tags: trunk
18:43
Add a test case to cover a missed VDBE branch generated by window.c. check-in: b36813d646 user: dan tags: trunk
17:24
If the library is built with SQLITE_VDBE_COVERAGE defined, have the Tcl tests generate a vdbe coverage report in file testdir/vdbe_coverage.txt. check-in: f0ed714637 user: dan tags: trunk
16:23
Frame range comparisons can never be NULL because the values will have been checked for NULL prior to the test. check-in: fa37cf9a6a user: drh tags: trunk
15:55
Mark rowid-comparison opcodes as never-null for VDBE coverage tracking purposes. check-in: a69bb4f257 user: drh tags: trunk
14:30
Improved VDBE branch coverage in the run-time frame-spec error detection logic of window functions. check-in: f56d305a7b user: drh tags: trunk
14:01
Improved comments on the VDBE branch coverage testing logic. Fix the VDBE branch coverage measurement on the OP_MustBeInt opcode. check-in: 8681750e85 user: drh tags: trunk
13:06
Fix a defect in the VDBE branch coverage testing logic. check-in: 1fcf3307d3 user: drh tags: trunk
03:07
Fix harmless compiler warnings seen with MSVC. check-in: 6cf8b18ec2 user: mistachkin tags: trunk
2019-03-31
21:09
Early detection of too many columns in an index avoid a possible 16-bit signed integer overflow. check-in: 8af0caeb6d user: drh tags: trunk
18:17
Add some missing VdbeCoverage() macros. check-in: d03b611302 user: drh tags: trunk
2019-03-30
20:43
Improvements to VdbeCoverage macros. check-in: 10ee9e337e user: drh tags: trunk
20:37
Fix issues with the previous check-in and add more VDBE branch coverage testing macros. Closed-Leaf check-in: b5f72f10f2 user: drh tags: oops
20:10
Enhanced VdbeCoverage() macros in the new windows function code. Later: This check-in causes an assertion fault. check-in: f24066f8dd user: drh tags: oops
19:17
Add a call to sqlite3FaultSim(410) inside of btreeRestoreCursorPosition() to simplify testing of error scenarios. check-in: bb643bac53 user: drh tags: trunk
18:39
The defragmentPage() routine detects corruption in the first-free-slot fields at offset 1 in the header and throws an error, rather than asserting. check-in: fb125bd338 user: drh tags: trunk
17:30
Add the blobio.c extension module implementing readblob() and writeblob(). Experimental. check-in: e3fde56da4 user: drh tags: trunk
17:07
Add an extra IO-error test to windowfault.test. check-in: 5b8c44cd39 user: dan tags: trunk
2019-03-29
17:26
Change the fts3_tokenizer() function to always return the pointer as a BLOB as long as the first argument is a bound parameter, regardless of the SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER setting. check-in: 27160df7b3 user: drh tags: value_frombind
15:21
Remove the unused P5 flag from the OP_Rewind opcode. check-in: c2edbf3b8c user: drh tags: trunk
13:17
Fix a fairly obscure problem causing the planner to sometimes choose sub-optimal plans for a query with a single virtual table in the FROM clause, and at least one IN(...) constraint in the WHERE clause. check-in: f5752517f5 user: dan tags: trunk
11:48
Fix typos in the comments of the sessions extension, one of which affects the generated documentation. No code changes. check-in: 040d5d515b user: drh tags: trunk
11:39
The two-argument version of fts3_tokenizer() works regardless of the value of SQLITE_DBCONFIG_ENABLE_FT3_TOKENIZER as long as the second argument is a bind parameter. check-in: ab76e3a90e user: drh tags: value_frombind
11:13
Initial implementation of the sqlite3_value_frombind() interface. check-in: 98da62dfda user: drh tags: value_frombind
01:15
Recover a some of the performance lost by window function alias fix two check-ins back. check-in: 965cbcea11 user: drh tags: trunk
2019-03-28
20:50
Add new test cases to test/fuzzdata8.db check-in: f908cd40b2 user: drh tags: trunk
16:15
Prevent aliases of window functions expressions from being used as arguments to aggregate or other window functions. check-in: 1e16d3e8fc user: dan tags: trunk
13:53
Show the pointer address for Window objects in the TreeView display. check-in: 1ae70ad2ff user: drh tags: trunk
13:35
More improvements to TreeView output for Window objects: (1) Show when the frame-spec is implied rather than explicit. (2) Move the FILTER clause out from within the OVER clause, making it a sibling of the OVER clause, to match syntax. check-in: d6a0743342 user: drh tags: trunk
13:03
Improved TreeView display of Window objects. Change the Window.eType field to Window.eFrmType to avoid confusion with other "eType" values. check-in: ec2f207ded user: drh tags: trunk
04:03
If the string formatter in sqlite3NestedParse() fails due to an over-length string, make sure this error is recorded by the parser so that it knows to fail. check-in: 85e53ff133 user: drh tags: trunk
01:00
Improvements to the README.md file. No code changes. check-in: bbdbaf84a5 user: drh tags: trunk
2019-03-27
14:59
Support building the Tcl bindings DLL using MSVC. check-in: b2011c1317 user: mistachkin tags: trunk
14:58
Fix harmless compiler warnings seen with MSVC. check-in: 5be64ea8e3 user: mistachkin tags: trunk
2019-03-26
16:47
Fix a problem with window frames that use "BETWEEN <start> AND 0 PRECEDING". check-in: 7927b6b023 user: dan tags: trunk
16:21
Fix harmless compiler warnings. check-in: a063f7c426 user: drh tags: trunk
13:08
Add support for new window functions related features - GROUPS frames, RANGE frames with logical start and end points, the EXCLUDE clause and window chaining. check-in: c6da39115d user: dan tags: trunk
2019-03-22
13:56
Fix a problem with a window function in a correlated sub-query where at least one reference to the outer SELECT appears in a FROM clause sub-select. Closed-Leaf check-in: 9aca86f983 user: dan tags: window-functions
2019-03-21
13:51
Remove assert() statements based on the counter-factual proposition that 0 is not a valid cursor number. check-in: c7b336181a user: dan tags: window-functions
2019-03-19
19:39
Add further tests to window8.test. check-in: ec7e224f50 user: dan tags: window-functions
19:19
Fix a problem with EXCLUDE clauses on window frames with no ORDER BY. check-in: e025506379 user: dan tags: window-functions
17:45
Add tests to ensure that the window functions implementation is not generating code for unnecessary sorts. check-in: e195948a68 user: dan tags: window-functions
16:49
Add missing VdbeCoverage() macros to new code in window.c. check-in: 4f9b93e6cf user: dan tags: window-functions
11:56
Revert the OP_MustBeInt opcode implementation on this branch so that it again matches trunk. The extra functionality is no longer required. check-in: c02f77b1b4 user: dan tags: window-functions
11:17
Update this branch with latest trunk changes. check-in: 98cc265987 user: dan tags: window-functions
06:40
Ensure that all the new window-function keywords can still be used as SQL identifiers. check-in: a6d61dfd47 user: dan tags: window-functions
2019-03-18
21:19
Add further tests for new window function functionality. check-in: 1fbddf01b1 user: dan tags: window-functions
18:55
Always evaluate window functions using the alternative path usually only used by EXCLUDE frames if the SQLITE_QueryFlattener test flag is set. check-in: 2879a691ac user: dan tags: window-functions
16:51
Fixes for RANGE windows and NULL values. check-in: 723c84be3e user: dan tags: window-functions
2019-03-16
20:29
Fix problems with RANGE windows and string, blob and NULL values. check-in: cebe09e11c user: dan tags: window-functions
10:15
In order to identify the first row of each partition, check if the rowid in the ephemeral table is 1 instead of using a dedicated flag register. check-in: f2d5f7a24c user: dan tags: window-functions
2019-03-15
20:46
Implement the EXCLUDE clause for window frames. check-in: 9b43c3ee2e user: dan tags: window-functions
2019-03-14
20:53
Parse EXCLUDE clauses in window frames. They do not yet work. check-in: d03c7533a1 user: dan tags: window-functions
16:36
Add things to this branch that will be required to support the EXCLUDE clause. check-in: 7d66cd2013 user: dan tags: window-functions
2019-03-13
17:31
Merge latest trunk changes into this branch. check-in: 0b904517bd user: dan tags: window-functions
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
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
21:07
Support some "ROWS BETWEEN N PRECEDING AND M FOLLOWING" window functions without caching entire partitions. check-in: e7a91f1228 user: dan tags: window-functions
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
21:33
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
18:07
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