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100 check-ins occurring around b59f94e4da9b1653.

2019-11-21
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. Leaf 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. Leaf 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
14:44
New dbsqlfuzz test cases added. check-in: 18c3a17d user: drh tags: trunk
14:38
Make sure the WITH stack in the Parse object is disabled following an error. check-in: de6e6d68 user: drh tags: trunk
2019-11-08
20:13
When a virtual table reports orderByConsumed, that tells us nothing about whether or not the SQLITE_DISTINCTBY constraint is met. Fix for ticket [7e59041f9c4e5102]. Test cases in TH3. check-in: b59f94e4 user: drh tags: trunk
2019-11-07
19:59
Experimental branch to provide SQLITE_LIMIT_HEAP_K to limit the amount of allocated memory used by each database connection, individually. Leaf check-in: 4ab9dbb9 user: drh tags: limit_heap_k
14:51
Fix the xferCompatibleIndex() function so that it recognizes that a PRIMARY KEY index for a WITHOUT ROWID table is different from a UNIQUE constraint index on the primary key. Ticket [302027baf1374498] check-in: 34f64f11 user: drh tags: trunk
02:32
Restore generated column loop detection logic that was incorrectly removed from the previous check-in [9e07b48934e9a972]. This fixes ticket [299b50ba812d8e54] check-in: 104a2beb user: drh tags: trunk
2019-11-06
22:19
Change the way generated columns are computed so that no column is computed inside branch code that might not be taken. Ticket [4fc08501f4e56692] check-in: 9e07b489 user: drh tags: trunk
19:25
Minor simplification to the changes from check-in [36c11ad51f]. check-in: 7bc8205d user: mistachkin tags: trunk
17:31
Fix the OP_DeferredSeek index-to-table column map in P4 so that it works with generated columns. Ticket [ce22a07731530118] check-in: 36c11ad5 user: drh tags: trunk
14:49
Fix the handling of NOT NULL constraint violations for generated columns in a REPLACE statement. Ticket [2399f5986134f79c] check-in: 77b1c90a user: drh tags: trunk
2019-11-04
12:49
Changes an unreachable testcase() into an assert(). check-in: 5710845b user: drh tags: trunk
02:05
Fix a false-postive in the sqlite3ExprImpliesNonNullRow() decision routine, that resulted in an incorrect LEFT JOIN strength reduction when the WHERE clause contained a row-value comparison. Ticket [02aa2bd02f97d0f2] check-in: ea20068e user: drh tags: trunk
2019-11-03
00:07
The optimization of check-in [9b2879629c34fc0a] is incorrectly reasoned. The WHERE clause of the partial index might not be true if the table of the partial index is the right table of a left join. So disable the optimization in that case. Ticket [623eff57e76d45f6] check-in: 3be19e11 user: drh tags: trunk
2019-11-02
17:59
Fix a problem in VIEW creation that was introduced by the generated columns feature. check-in: 9c795c4d user: drh tags: trunk
13:45
"STORED" is not actually a keyword. The parser looks for STORED as an ordinary identifier. check-in: 167cd574 user: drh tags: trunk
13:32
In sqlite3GenerateIndexKey(), do not attempt to reuse column values from the previous index if the current index is a partial index as the partial index test may have changed those values. Ticket [a9efb42811fa41ee] check-in: 17e9f658 user: drh tags: trunk
00:00
Restore the on-line ".help" for the ".explain" command in the CLI. check-in: 28b8f103 user: drh tags: trunk
2019-11-01
18:52
Fix a harmless compiler warning. check-in: f0ebea35 user: drh tags: trunk
17:31
The SET DEFAULT and SET NULL conflict resolution actions for foreign key constraints should cause an error when they appear on a generated column. check-in: b47513d2 user: drh tags: trunk
16:37
Fix a potential use-after-free bug that follows an OOM error in code added two days ago by check-in [84e02d773d60cffe]. Problem discovered by OSSFuzz. check-in: 0a2eb949 user: drh tags: trunk
16:08
Add another missing column number translation to the foreign key logic. check-in: 32df5edc user: drh tags: trunk
15:19
Omit the optimization that reduces the column-count on rowid-table cursors when the table has generated columns, because we do not know what columns the generator expressions might try to access. check-in: e6c96ed9 user: drh tags: trunk
13:37
Fix an fts3 assert() that could fail when operating on a database containing corrupt records. check-in: 7c52f547 user: dan tags: trunk
12:14
Add missing column translations to foreign key logic. Ticket [c28a01da72f8957c] check-in: bc6a43e7 user: drh tags: trunk
10:49
Fix a potential array bounds overflow in the mkkeywordhash.c code generator. Also add marks to omit keywords specific to generated columns when building with -DSQLITE_OMIT_GENERATED_COLUMNS. check-in: cc6a4081 user: drh tags: trunk
02:30
Slightly faster keyword hash table. check-in: f12e743e user: drh tags: trunk
2019-10-31
20:54
Correctly generate pre-UPDATE content for virtual columns that are used by foreign key constraints. Ticket [b9befa4b83a660cc] check-in: 40d3282e user: drh tags: trunk
17:13
Add a few simple TCL test cases for generated columns. (Full test coverage of the generated column logic is provided separately by TH3.) check-in: acedb5c7 user: drh tags: trunk
13:16
Ignore differences in Expr.op2 in sqlite3ExprCompare() in cases where it does matter. Ticket [1d2a8efc6c3a595a]. check-in: 32982067 user: drh tags: trunk
12:30
Enhance the TreeView logic to show information about Expr.op2 for FUNCTION and COLUMN nodes. check-in: aceeaf9e user: drh tags: trunk
2019-10-30
18:50
Always disallow the use of non-deterministic functions in CHECK constraints, even date/time functions that use the 'now' or similar keywords. Provide improved error messages when this requirement is not met. Ticket [830277d9db6c3ba1] check-in: 2978b65e user: drh tags: trunk
16:29
Simplify the bytecode generation for SQL function calls such that the OP_Function or OP_PureFunc opcodes are coded directly, rather than using the intermediate OP_Function0 or OP_PureFunc0 - opcodes that are now removed. check-in: 84e02d77 user: drh tags: trunk
13:00
New tokens ALWAYS, GENERATED, and STORED used by generated columns should all be fallback tokens. check-in: 13fe6978 user: drh tags: trunk
2019-10-29
16:18
Remove the legacy_file_format PRAGMA. In its place, provide the SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option to sqlite3_db_config(). Fix for ticket [6484e6ce678fffab] check-in: 4d424f30 user: drh tags: trunk
03:39
Tighten the generated column requirement such that every table must have at least one non-generated column. Ticket [166347c6fc994155]. check-in: 4fba090e user: drh tags: trunk
03:30
Add a missing translation from table column numbers to storage table numbers while processing constraints on an UPDATE statement. Ticket [9621dd78a024d07a] check-in: 361ea81a user: drh tags: trunk
01:26
Disallow tables that have only virtual columns. check-in: 59197321 user: drh tags: trunk
2019-10-28
13:54
Fix a problem in fts3 causing it to report corruption if a doclist contains consectutive rowid entries that differ by more than 2^63. check-in: 0b0a3048 user: dan tags: trunk
13:07
Remove a NEVER() comparison from sqlite3ExprCompare(). check-in: f4285297 user: drh tags: trunk
04:20
ALWAYS macro added for coverage. check-in: a1e1ba91 user: drh tags: trunk
2019-10-27
22:22
Improved detection of attempts to use a generated column as part of the primary key. Ticket [91e86951016a6802] check-in: 6d1bbba9 user: drh tags: trunk
2019-10-26
23:51
Remove code from the constraint checker that generates virtual column values with the incorrect time. Turns out the the regular code for all other columns works correctly and so the incorrect special-case code is not actually needed. Fix for ticket [3ea175512444b0d1]. check-in: 5b4c0f2d user: drh tags: trunk
18:56
Remove redundant code resulting from a merge error on the previous check-in. check-in: 713fe86b user: drh tags: trunk
18:47
Add support for generated columns. check-in: b855acf1 user: drh tags: trunk
17:08
Performance optimization on sqlite3GenerateConstraintChecks() - bypass the loop that checks each column for NOT NULL constraints if it is known in advance that the table has no NOT NULL constraints. check-in: e3c3f4d7 user: drh tags: trunk
16:38
Clarify some comments and add assert() and testcase() macros to the replace-trigger recheck logic for ticket [c1e19e12046d23fe] check-in: 8c0042bd user: drh tags: trunk
16:02
Fix a problem in the legacy ".explain on" formatting when it is used on a query with more than 8 output columns. check-in: 070b4982 user: drh tags: trunk
15:40
Minor changes to help ensure the pointer returned by sqlite3VdbeGetOp() is not used after it becomes invalid. check-in: 346bdd49 user: drh tags: trunk
12:27
Overnight, OSSFuzz helpfully pointed out a potential use-after-free bug in yesterdays changes, involving continued use of a pointer after the memory pointed to had been realloc()-ed. Thanks Google. check-in: c422afb5 user: drh tags: trunk
01:43
Add missing VdbeCoverage() macro. Fix an off-by-one error in partial index handling. New test cases. Ticket [c1e19e12046d23fe] check-in: 41cc8e3d user: drh tags: trunk
00:04
If replace triggers are run during uniqueness checking, then rerun all uniqueness checks a second time using the ABORT algorithm. Fix for ticket [c1e19e12046d23fe] check-in: fbac0c65 user: drh tags: trunk
2019-10-25
14:46
Performance optimization in sqlite3BtreeCursor(). check-in: ea068b09 user: drh tags: trunk
2019-10-24
23:43
Merge fixes from trunk. Closed-Leaf check-in: 4ec57d88 user: drh tags: generated-columns