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100 check-ins occurring around 6601da58032d18ae.

2019-12-09
02:20
Fix possible null pointer dereferences in the fts5_expr() scalar function. (check-in: c5d44143 user: dan tags: trunk)
2019-12-08
00:06
Fix incorrect column-usage accounting associated with generated columns and added by check-in [6601da58032d18ae]. Fix for ticket [b92e5e8ec2cdbaa1]. (check-in: 9d75e1cc user: drh tags: trunk)
2019-12-07
13:42
Correctly deal with multi-row VALUES clauses that contain window functions. (check-in: 26d991f2 user: drh tags: trunk)
12:13
Ignore type affinity for auxiliary columns in RTREE as it is too error-prone to try to parse out the type from other constraints. Ticket [8bf76328ac940d52] (check-in: 7fa664ea user: drh tags: trunk)
00:22
Fix a problem with foreign keys and generated columns discovered by Manuel Rigger. (check-in: 27c0fdab user: drh tags: trunk)
2019-12-06
19:07
Early detection and reporting of too few columns in an rtree CREATE VIRTUAL TABLE statement. (check-in: ef73107f user: drh tags: trunk)
13:10
In the rtree extension, actively suppress extra tokens on the column names, and be pedantic about column affinities. Ticket [367a86e28859f1ff] (check-in: 97fb5a72 user: drh tags: trunk)
11:48
The check-in [b7810062ec2489e1] was not quite right in that it allowed an oversized shift operation (which is UB in C) on some obscure inputs. OSSFuzz found the problem for us overnight. (check-in: 62f2235a user: drh tags: trunk)
01:38
Further enhancements to RTREE, following up to check-in [f898d04cf272ef01] so that constraints are allowed to be compared to strings that look like numbers. Ticket [aa573a787b8f1fdf] (check-in: 32772dfd user: drh tags: trunk)
01:23
Do not allow UPSERT of a view. (check-in: ebf897e8 user: drh tags: trunk)
2019-12-05
21:46
Fix to the rowvalue logic that avoids disabling rowvalue inequality contraints on a virtual table when the virtual table sets the omit flag. The logic has been incorrect since row-values were added. However, this does not come up often as very few virtual tables implement inequality constraints using the omit flag. Ticket [f096d191b6641daa] (check-in: b7810062 user: drh tags: trunk)
18:29
Documentation update: Clarify that the sqlite3_index_info.aConstraintUsage.omit flag is a hint only and that the code generator is not obligated to follow the hint. (check-in: 7d3e3f6e user: drh tags: trunk)
17:31
Additional debugging information printed with the ".wheretrace 0x100" option. No changes to normally delivered code. (check-in: fc72ec52 user: drh tags: trunk)
14:42
Make sure the rowid of an RTREE virtual table has integer affinity. Ticket [9fe487ba3c064b4e] (check-in: 7ae8c0d5 user: drh tags: trunk)
14:31
Fix a problem in ALTER TABLE that could occur if an index, view or trigger in the schema features an expression of the form ((SELECT ...) IN ()) where the SELECT statement uses a CTE. (check-in: 7e5ad8e0 user: dan tags: trunk)
13:34
Be strict about type enforcement on rowid look-ups in the RTREE extension. Ticket [30e2c183b6b356e4] (check-in: d43e0efb user: drh tags: trunk)
00:44
Enhance the RTREE extension so that it give correct query results even if the query uses non-numeric constraints. Ticket [a55ab6d97d01ecbc] (check-in: f898d04c user: drh tags: trunk)
2019-12-04
19:45
Window functions are never constant. (check-in: 35f0b5a8 user: drh tags: trunk)
15:08
Ensure that an ALWAYS() in the rename logic really is always true, even for faulty inputs. (check-in: 54410f0e user: drh tags: trunk)
14:26
Fix an assert() failure that could occur in ALTER TABLE code when the schema contains a view that uses a CTE. (check-in: 75b04a4b user: dan tags: trunk)
03:46
Fix a buffer overread that could occur in fts3 with corrupt %_stat records. (check-in: e01fdbf9 user: dan tags: trunk)
03:31
Fix an incorrect NEVER() macro. (check-in: 96b6a76d user: drh tags: trunk)
01:42
Fix a double-free that could occur when a component of a compound SELECT with an ORDER BY clause uses named window definitions. (check-in: 92893b79 user: dan tags: trunk)
2019-12-03
03:34
Avoid a crash that could occur when a database containing a table with a temp trigger that has the same name as a temp table is detached. (check-in: c4cb9708 user: dan tags: trunk)
03:31
Avoid a harmless zero offset of a null pointer in FTS3, so as to not provoke unnecessary warnings from run-time checkers. (check-in: 85d95abe user: drh tags: trunk)
02:51
Avoid computing a zero offset of a null pointer, which though this is technically harmless, is upsetting to pedantic run-time checkers. (check-in: 3ce804e9 user: drh tags: trunk)
2019-11-30
19:29
Do not allow a term in the WHERE clause of the query to qualify a partial index on the right table of a LEFT JOIN. Ticket [7f39060a24b47353] (check-in: 4066a34d user: drh tags: trunk)
2019-11-29
13:01
Add comments in the parse.sql file to help demonstrate how rules are encoded. (check-in: 2c4f7148 user: drh tags: trunk)
12:51
Fix the parse.sql output file so that it is readable into a database where foreign keys are enforced. (check-in: 3a82c554 user: drh tags: trunk)
2019-11-27
20:40
More details on the comment justifying the aleged data race in the WAL-mode checkpoint logic. (check-in: 0fab65c7 user: drh tags: trunk)
12:03
Fix obsolete comment. No changes to code. (Leaf check-in: 0ff59edb user: drh tags: reuse-shm)
2019-11-26
14:24
Fix various documentation typos suggested by Mark Benningfield. No changes to code. (check-in: 08f09dc4 user: drh tags: trunk)
11:10
Fix to check-in [5d9a369301a65f32] so that it compiles without SQLITE_DEBUG. (check-in: fefe2d04 user: drh tags: trunk)
02:22
Add the new -S option to the lemon parser generator to cause it to output SQL that describes the input grammar. (check-in: 4dbd398d user: drh tags: trunk)
02:03
Fix an assert() in fts3 that could fail due to corrupt database records. (check-in: 5d9a3693 user: dan tags: trunk)
2019-11-25
23:55
Experimental file-controls for controlling the use of the -shm file. (check-in: 12b8fa23 user: drh tags: reuse-shm)
04:15
Modify journal3.test so that it can handle Tcl command "file attr <file> -perm" returning octal values in either "00755" or "0o755" format. (check-in: b0b65562 user: dan tags: trunk)
00:07
Minor enhancements to the TclKit download tool. (check-in: 75e31b1d user: mistachkin tags: trunk)
2019-11-23
16:34
Abort the window function tree rewrite early following an OOM. (check-in: d66f95a5 user: drh tags: trunk)
15:10
Avoid evaluating PARTITION BY or ORDER BY expressions multiple times for window function queries that use multiple window functions with the same window-definition. (check-in: 57070c68 user: dan tags: trunk)
08:51
Enhance the path arguments in JSON functions to access "#-N" array indexes. (check-in: ffeec62c user: drh tags: trunk)
08:36
Fix a memory leak in fts5 error handling code. (check-in: de6637e1 user: dan tags: trunk)
2019-11-22
17:37
Extend the json-path mechanism with array indexes of the form "#" or "#-n" for some positive number "n", to reference the end of an array. (Closed-Leaf check-in: 35ed68a6 user: drh tags: json-path-enhancement)
11:49
Fix a harmless compiler warning. (check-in: 34343c4b user: drh tags: trunk)
11:47
Fix an indentation error and improve the placement of an assert() based on a tweet from Yuri Kotov. (check-in: e6314e38 user: drh tags: trunk)
11:38
Add more test cases from Yongheng Chen and Rui Zhong. (check-in: f24e6ca4 user: drh tags: trunk)
10:14
Fix a crash that could occur if a sub-select that uses both DISTINCT and window functions also used an ORDER BY that is the same as its select list. (check-in: bcdd66c1 user: dan tags: trunk)
00:42
Revise the SQLITE_OPEN_NOFOLLOW so that it actually uses O_NOFOLLOW in the open() system call. This backs out the SQLITE_ACCESS_SYMLINK value but adds the new SQLITE_OK_SYMLINK return code from the xFullPathname method of sqlite3_vfs when that routine resolves symbolic links. O_NOFOLLOW is always included in open() system calls for journal files. (check-in: 6a64fb6a user: drh tags: trunk)
2019-11-21
20:24
Add all fuzz-test cases received from Yongheng Chen and Rui Zhong. Also fix a minor problem in gencol1.test cases. (check-in: ac080432 user: drh tags: trunk)
20:10
Fix an out-of-bounds array reference in the generated column logic. Problem discovered by valgrind. (check-in: a0ab42f7 user: drh tags: trunk)
19:37
Whenever a generated column is used, assume that all columns are used. (check-in: 6601da58 user: drh tags: trunk)
18:28
Fix a problem that comes up when using generated columns that evaluate to a constant in an index and then making use of that index in a join. (check-in: 8b12e95f user: drh tags: trunk)
17:14
Fix a recently introduced memory leak in the test code in test_vfs.c. (check-in: 2d53a30c user: dan tags: trunk)
14:20
Prevent direct and indirect recursive content= options in fts3/4 and fts5. (check-in: 2eb99732 user: dan tags: trunk)
2019-11-20
16:10
Fix a use-after-free problem in the test suite. No changes to production code. (check-in: 0d1055a5 user: dan tags: trunk)
13:31
Further improve detection of corrupt records in fts3. Also fix an error with check-in [dfcf081d842629a0] (check-in: a0f6d526 user: dan tags: trunk)
12:07
Changes to extensions and test logic so that the build works with gcc and with -std=iso9899:1999 (check-in: 2575a68c user: drh tags: trunk)
2019-11-19
21:22
Enhancements to DBSTAT: (1) Make name=? queries efficient. (2) Add the ability to aggregate results across each individual btree using the aggregate=TRUE constraint in the WHERE clause. (check-in: a48f6e17 user: drh tags: trunk)
18:48
Get the aggregate=TRUE feature working on the DBSTAT virtual table. (Closed-Leaf check-in: 16fef3db user: drh tags: dbstat-enhancements)
14:01
Begin an enhancement effort for the built-in DBSTAT virtual table. (check-in: 9b5722f0 user: drh tags: dbstat-enhancements)
00:13
Make the result of sqlite3_normalized_sql() survive its statement being reprepared. (check-in: 4330f079 user: mistachkin tags: trunk)
2019-11-18
23:48
Add support for the SQLITE_ACCESS_SYMLINK flag in the Win32 VFS. (check-in: 175c1500 user: mistachkin tags: trunk)
22:34
Ensure all file names passed to the VFS layer are double-zero terminated. (check-in: 251230cf user: mistachkin tags: trunk)
18:43
In the SQLITE_OPEN_NOFOLLOW processing, distinguish between an I/O error on the xAccess() call and an actual symlink encounter. (check-in: 2e98b42f user: drh tags: trunk)
17:46
Add support for SQLITE_OPEN_NOFOLLOW. (check-in: cb79c828 user: drh tags: trunk)
14:04
Improvements to detection of corruption in the %_stat shadow table of FTS4. (check-in: 6b67eba5 user: drh tags: trunk)
12:04
Further improvements to shadow table corruption detection in FTS3. (check-in: e35d8c76 user: drh tags: trunk)
11:14
Detect and prevent infinite recursion in fts3SelectLeaf() due to a malformed FTS3 btree. (check-in: dfcf081d user: drh tags: trunk)
10:37
Improved detection of corruption in the %_stat table of FTS4. Chromium ticket 1025467. (check-in: 10f8a3b7 user: drh tags: trunk)
2019-11-17
11:47
Fix an assert that can fail if the schema is corrupt. (check-in: ed57c48e user: drh tags: trunk)
02:41
Better detection of corruption in the %_stat and %_docsize shadow tables of FTS3. (check-in: 1e449687 user: drh tags: trunk)
00:08
Remove a reachable NEVER() in FTS3. (check-in: 8bd75bf6 user: drh tags: trunk)
2019-11-16
23:47
More improvements to shadow table corruption detection in FTS3. (check-in: 51525f9c user: drh tags: trunk)
21:40
Improved detection of corrupt shadow tables in FTS3. Enable the debugging special-inserts for FTS3 for both SQLITE_DEBUG and SQLITE_TEST. (check-in: 04b2873b user: drh tags: trunk)
18:36
Do not allow shadow tables to be dropped in defensive mode. (check-in: 0a988ce3 user: drh tags: apple-osx)
18:30
Modify three test cases so that they work even with unusual versions of the library printf(). (check-in: c2528907 user: drh tags: apple-osx)
16:54
More restrictions on changes to shadow tables when in defensive mode. (check-in: bae76a5c user: drh tags: trunk)
14:15
Do not allow CREATE TABLE or CREATE VIEW of an object with a name that looks like a shadow table name. (Closed-Leaf check-in: 6aef58b6 user: drh tags: defensive-improvements)
13:51
Break out the test for writable shadow tables into a separate subroutine. (check-in: 8ad34d36 user: drh tags: defensive-improvements)
12:04
Do not allow shadow tables to be dropped in defensive mode. (check-in: 70390bbc user: drh tags: trunk)
11:33
Fix a potential NULL pointer dereference on a RENAME TABLE that references a VIEW with a logic error in a window function in the ORDER BY clause. (check-in: 0adb273f user: drh tags: trunk)
2019-11-15
21:16
Modify three test cases so that they work even with unusual versions of the library printf(). (check-in: 8f4a3750 user: drh tags: trunk)
02:52
Merge the version 3.30.1 changes into the apple-osx branch. (check-in: 2c8af352 user: drh tags: apple-osx)
00:52
Fix table-valued functions so that they will work as the right table in a LEFT JOIN. Ticket [2ae0c599b735d59e] (check-in: 2c35d3f6 user: drh tags: trunk)
2019-11-14
23:08
Backport support for the sqlite3_hard_heap_limit64() interface and the hard_heap_limit pragma to the 3.30 branch. (check-in: ba27012d user: drh tags: branch-3.30)
18:07
Add support for the sqlite3_hard_heap_limit64() interface and the hard_heap_limit pragma. (check-in: 6399c47e user: drh tags: trunk)
17:46
Fix a bug in the hard_heap_limit pragma so that it returns the new value of the hard_heap_limit, not the soft_heap_limit. Change SQLITE_MAX_MEMORY so that it works by setting the default hard_heap_limit value. (Closed-Leaf check-in: 33fd0c3a user: drh tags: hard-heap-limit)
15:21
Merge recent enhancements from trunk. (check-in: b8a631fd user: drh tags: hard-heap-limit)
15:10
Minor documentation enhancements. No changes to code. (check-in: 6153f3aa user: drh tags: hard-heap-limit)
13:57
New test cases added to fuzzdata8.db. (check-in: 5baffcda user: drh tags: trunk)
13:24
Ensure that the same subquery does not go through the window-function rewrite more than once, even when that subquery is part of a virtual table constraint that lacks the omit flag. (check-in: d0bc7db6 user: drh tags: trunk)
2019-11-13
18:50
Add header guard to the expert extension. (check-in: 7e315185 user: mistachkin tags: trunk)
16:50
Fix the sqlite3TreeView() output to consistently use a colon and not a comma after the table number in the AST dumps. (check-in: fa2416f6 user: drh tags: trunk)
2019-11-12
16:21
For for the previous check-in: Always enable the nUri variable, even when debugging is turned off. (check-in: f84a1539 user: drh tags: trunk)
14:43
Ensure that the main filename and the journal filenames in the pager object are all correctly double-zero terminated. (check-in: df51ae19 user: drh tags: trunk)
03:45
Remove a harmless unused variable. (check-in: 28091a48 user: drh tags: trunk)
2019-11-11
15:13
Remove an asm() block from build tool mksourceid.c, as it causes build failures on some systems and performance is not important at build-time. (check-in: 8e100e6c user: dan tags: trunk)
2019-11-10
11:09
Proper surrogate pair decoding added to JSON functions. See the mailing list bug report and https://bugs.python.org/issue38749. More test cases needed here, but it seems to work so far. (check-in: 51027f08 user: drh tags: trunk)
10:08
Remove an incorrect ALWAYS() macro. (check-in: f7a74f89 user: drh tags: trunk)
2019-11-09
15:31
Change the COLFLAG_NOTAVAIL bitmask so that it fits in the single-byte Walker.eCode field. (check-in: 53847f5c user: drh tags: trunk)