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100 check-ins occurring around ff3b011f17f4f02e.

2019-01-16
19:44
Fix a problem in the fts3 matchinfo() function with corrupt database handling. check-in: 24ed5fb6 user: dan tags: trunk
19:26
Fix a problem in the code generator for sorting results with SRT_EphemTab and a LIMIT clause. check-in: 49fcde2f user: drh tags: trunk
14:58
Fix a problem with renaming a column that is used as part of an ORDER BY on a compound SELECT within a database view or trigger. check-in: b4b57413 user: dan tags: trunk
12:05
Avoid a dangling pointer comparison when renaming a table that has a trigger that itself contains a window function with an (illegal) column reference in a FOLLOWING expression. check-in: d45bee36 user: dan tags: trunk
11:38
Fix a memory leak that could occur in fts3 when handling a corrupt database. check-in: 65cebb06 user: dan tags: trunk
2019-01-15
20:51
Fix a problem with ALTER TABLE and vector assignments in UPDATE statements within triggers. check-in: cc6cd753 user: dan tags: trunk
18:14
Handle SQL NULL values without crashing in the fts5 snippet() and highlight() functions. check-in: a5e9cc79 user: dan tags: trunk
16:14
Fix a buffer overread in fts3 caused by a corrupt record. check-in: e54efd60 user: dan tags: trunk
15:18
Have fts5 reject attempts to insert a non-integer, non-null value into a rowid column with SQLITE_MISMATCH. check-in: 4a9483f8 user: dan tags: trunk
14:44
Fix a harmless memory leak in the Lemon parser generator utility program. check-in: 1caff0fb user: drh tags: trunk
14:31
Fix a problem triggered by DELETE statements with WHERE clauses that use the OR-optimization on some virtual tables. check-in: ecf5caa7 user: dan tags: trunk
2019-01-14
20:44
Add scalar function "prefix_length()" to ext/misc/prefixes.c. check-in: 0bf15505 user: dan tags: trunk
19:13
Fix a problem causing some Tcl test cases to fail with errors like "expected: [<multiline-whitespace>], got: []". check-in: 11b8a4cb user: dan tags: trunk
16:16
Add the "prefixes" table-valued function in the ext/misc folder. check-in: f0fd2163 user: drh tags: trunk
15:35
Fix a problem causing a crash if an fts5vocab table was created to query an fts3/4 FTS index. check-in: 9cd64ce4 user: dan tags: trunk
15:09
Fix a problem with querying a corrupt fts3 database. check-in: 65e50706 user: dan tags: trunk
13:32
When parsing a corrupt record using sqlite3VdbeRecordUnpack(), make sure that the resulting UnpackedRecord object is completely initialized, to avoid (harmless) MSAN warnings. check-in: ddc3697e user: drh tags: trunk
11:56
Have fts3 ignore empty sets of parenthesis if built with SQLITE_ENABLE_FTS3_PARENTHESIS. check-in: c93c6b45 user: dan tags: trunk
05:48
Avoid reading off the front of a page buffer when balancing a corrupt btree page. check-in: cb505090 user: drh tags: trunk
2019-01-13
20:23
In dbfuzz2, avoid using a malloc in the LLVMFuzzerInitialize() initializer routine, so that no memory leaks are reported. Also, show the version of SQLite being used when the -v option is on. check-in: 824f9324 user: drh tags: trunk
20:17
Relax the minimum size database file constraint on the dbtotxt utility program. check-in: 97e723d7 user: drh tags: trunk
20:17
Improved detection of database corruption while balancing pages from an auto_vacuum database with overflow pages. Test cases in TH3. check-in: 35f04235 user: drh tags: trunk
00:58
Move a local variable declaration into the outermost scope in which it is used. This fixes an ASAN warning. check-in: ac3b6021 user: drh tags: trunk
2019-01-12
21:30
Prevent unsigned 32-bit integer overflow from leading to a buffer overread inside of an assert(). The problem fixed here is no reachable in production code. check-in: 0f850a25 user: drh tags: trunk
20:55
Fix another problem with handling corrupt records in fts5_decode(). check-in: 726e398b user: dan tags: trunk
16:19
Fix an off-by-one error on a Goto in the code generator, that only causes problems for a REPLACE on an INTEGER PRIMARY KEY in non-debug builds. Test case in TH3. check-in: e35eb877 user: drh tags: trunk
14:58
Fix a problem with corrupt database handling in the fts3 matchinfo() function. check-in: 703646b1 user: dan tags: trunk
00:45
Improved detection of shadow table corruption in the fts5_decode() SQL function. check-in: b74e5f3f user: drh tags: trunk
00:12
Improved shadow table corruption detection in the matchinfo() function of FTS3. check-in: 567be3bb user: drh tags: trunk
00:07
Indicate that the database may be corrupt in the fts3corrupt4.test test script. check-in: 473626d5 user: drh tags: trunk
2019-01-11
23:08
Use 64-bit APIs in the fileio.c extension. check-in: b49d56a0 user: drh tags: trunk
21:34
Fix a segfault in fts3 prompted by a corrupted database. check-in: 2d7b1d1d user: dan tags: trunk
19:27
Fix another problem with corrupt databases in fts5. check-in: 9bf811ea user: dan tags: trunk
17:41
Fix a problem handling a negative value in the "number-of-pages" database header field. Also a problem with running "REINDEX tbl" against a virtual table for which the SQL passed to sqlite3_declare_vtab() contains PRIMARY KEY or UNIQUE constraints. check-in: 556dd892 user: dan tags: trunk
17:20
Improved detection and reporting of errors in the readfile() extension SQL function. check-in: d2f0b5a4 user: drh tags: trunk
17:19
Omit errors about missing SAVEPOINTs when aborting the .archive command in the CLI. check-in: 2a47387b user: drh tags: trunk
16:44
Improved detection of cell corruption in sqlite3VdbeRecordCompareWithSkip(). check-in: fa47f4c6 user: drh tags: trunk
15:26
Merge documentation changes from branch begin-concurrent-wal2 into this branch. check-in: cf8a0c71 user: dan tags: begin-concurrent-pnu-wal2
15:22
Merge documentation changes from branch "begin-concurrent" into this branch. Leaf check-in: 41e742bd user: dan tags: begin-concurrent-wal2
15:06
Add new documentation file begin_concurrent.md. check-in: fdbf97e6 user: dan tags: begin-concurrent
15:00
Merge latest begin-concurrent-wal2 changes (documentation only). check-in: d0ab56a3 user: dan tags: begin-concurrent-pnu-wal2
14:59
Merge latest wal2 changes (documentation only) into this branch. check-in: 820ba1cc user: dan tags: begin-concurrent-wal2
14:58
Add new file doc/wal2.md to this branch. check-in: b495dce1 user: dan tags: wal2
14:46
Fix PRAGMA integrity_check so that it does not cancel the PRAGMA vdbe_debug setting. check-in: aaa3a19f user: drh tags: trunk
14:38
Add the --vdbe-debug command-line option to dbfuzz2. check-in: 599b4df4 user: drh tags: trunk
14:22
Add the "dbfuzz2" target to main.mk. Remove an unused local variable from dbfuzz2.c. check-in: 05c7609c user: drh tags: trunk
13:32
The keywords TRUE and FALSE should only act as boolean literal values if unquoted. check-in: 5547f39d user: drh tags: trunk
13:03
Separate makefile targets for "dbfuzz2", "dbfuzz2-asan", and "dbfuzz2-msan". check-in: ea119641 user: drh tags: trunk
2019-01-10
19:26
Fix a memory leak in fts5 that could occur if scalar function fts5_decode() was passed a corrupt record. check-in: 240f1c0c user: dan tags: trunk
18:35
Fix a memory leak in fts5. check-in: ff3b011f user: dan tags: trunk
17:08
Avoid use-after-free and double-free errors that could occur if an fts5 table is modified in certain ways while there are active cursors. check-in: 3291b2a6 user: dan tags: trunk
15:17
Fix further problems with fts5 handling corrupt databases. check-in: 83c467d7 user: dan tags: trunk
14:33
More aggressive early detection of orphaned and malformed autoindexes when parsing the schema. check-in: 10f9e39d user: drh tags: trunk
13:56
Use the new SQLITE_IDXTYPE_IPK values (3) on Index.idxType to indicate the fake INTEGER PRIMARY KEY index used during query planning. check-in: e22d2f90 user: drh tags: trunk
01:12
Fix the fts3DecodeIntArray() function so that it will not read off the end of the buffer it is handed. Any unread integers are set to zero. check-in: 666cf8f6 user: drh tags: trunk
2019-01-09
21:12
Fix an out-of-bounds read in SQL function fts5_decode() that could occur if it was passed a corrupt record. check-in: 931278b2 user: dan tags: trunk
14:49
Adjustments to the page cache to try to avoid harmless TSAN warnings. check-in: 383437be user: drh tags: trunk
11:19
Improved database corruption detection in the dbstat virtual table. check-in: fc5ecc88 user: drh tags: trunk
11:06
Small simplification to the dbstat virtual table. check-in: 9d4c156f user: drh tags: trunk
02:02
Enhance the ALTER TABLE RENAME COLUMN feature so that it works on tables that have redundant UNIQUE and/or PRIMARY KEY constraints. Fix for ticket [bc8d94f0fbd633fd9a051e3] check-in: f09aa324 user: drh tags: trunk
2019-01-08
20:02
Use 64-bit math to compute the sizes of memory allocations in extensions. check-in: ca67f2ec user: drh tags: trunk
15:18
Performance improvement on the instr() function, especially for large haystacks. check-in: ce51f1a2 user: drh tags: trunk
14:28
Fix a possible memory leak when trying to UPDATE a corrupt RTREE index. check-in: 63eb803d user: drh tags: trunk
08:02
Fix further problems with fts5 and corrupt databases causing integer overflow. check-in: 673a7dd6 user: dan tags: trunk
2019-01-07
16:52
Fix another potential buffer overread in fts5. check-in: d0e943d9 user: dan tags: trunk
15:57
For SQLITE_ENABLE_PREUPDATE_HOOK builds, disable the optimization for a REPLACE command on a WITHOUT ROWID table with no indexes, triggers or foreign key constraints that causes SQLite to clobber any existing row without separately checking for it. This optimization causes SQLite to omit the expected pre-update-hook callbacks. check-in: 6281ef97 user: dan tags: trunk
2019-01-06
02:06
The page size becomes fixed as soon as page1 from a non-empty database file is read. check-in: 6064584d user: drh tags: trunk
01:46
Give symbolic names to the special prepared statements used to implement incremental blob I/O. Leaf check-in: 2a1cc632 user: drh tags: named-blob-I/O
2019-01-05
21:56
Add the exprNodeCopy() routine that will safely memcpy() an Expr node that might be a size-reduced node. check-in: a874c649 user: drh tags: trunk
21:09
If the OP_ParseSchema opcode with a non-NULL P4 operand does not parse any rows out of the sqlite_master table, that indicates that the sqlite_master table is corrupt, so raise an SQLITE_CORRUPT error. check-in: 598d7358 user: drh tags: trunk
07:17
Fix two more problems with corrupt database handling in fts5. check-in: 444c7c99 user: dan tags: trunk
2019-01-04
23:39
Give a meaningful error on an attempt to use UPSERT on a virtual table, rather than simply not working. check-in: fa98748f user: drh tags: trunk
19:39
Fix the experimental sqlite3_wal_info() API so that it works with wal2 mode. check-in: 079daedb user: dan tags: begin-concurrent-pnu-wal2
19:25
Add the "-external" option to the tserver_test.tcl program.. check-in: ae7c5ed1 user: dan tags: begin-concurrent-pnu-wal2
17:12
Update the "tserver" program to report the amount of time spent in COMMIT commands. check-in: cf494b41 user: dan tags: begin-concurrent-pnu-wal2
14:29
If the ".open" command fails in the CLI, reopen to :memory: so that at least some database is available for subsequent commands. check-in: d7f55c62 user: drh tags: trunk
12:46
Remove debugging pragmas accidently left in by a prior change. check-in: 26275fc7 user: drh tags: trunk
12:35
Fix a typo in a comment used to generate documentation. No functional changes. check-in: ccc4f742 user: drh tags: trunk
11:20
Fix another fts5 assert() that may fail if the database is corrupt. check-in: 0888fc2e user: dan tags: trunk
2019-01-03
19:12
Fix some problems with sqlite3_interrupt() handling in fts5. check-in: c0eb839a user: dan tags: trunk
16:03
Fix the csv01.test module so that it works on systems with \r\n line endings. check-in: 36eaf5a5 user: drh tags: trunk
16:00
Fix the shmlock.test script so that it works with the Windows restriction that UnlockFile must exactly correspond to a prior LockFile. check-in: df939c89 user: drh tags: trunk
15:22
Fix a harmless compiler warning in the CSV extension. check-in: fbcd7256 user: drh tags: trunk
15:17
Fix a problem with the second and subsequent sqlite3rbu_savestate() calls made on an RBU vacuum handle. check-in: bef216df user: dan tags: trunk
00:44
Fix the geopoly_svg() function so that it returns NULL when given zero arguments. check-in: 120cb176 user: drh tags: trunk
2019-01-02
23:49
Fix harmless compiler warnings in the unicode2 logic of FTS3 and FTS5. check-in: 703029ac user: drh tags: trunk
19:46
Merge changes from begin-concurrent-wal2. Also modify the unix-excl shm-locks on this branch so that it is not an error to attempt to release an EXCLUSIVE lock that is not held. check-in: 86685679 user: dan tags: begin-concurrent-pnu-wal2
17:08
Reinstate assert() statements in os_unix.c that were removed to allow wal-mode SHARED locks to be taken over more than one locking slot (this branch no longer does that, so the assert() statements can go back in). check-in: fcb7348b user: dan tags: begin-concurrent-wal2
17:00
Reinstate assert() statements in os_unix.c that were removed to allow wal-mode SHARED locks to be taken over more than one locking slot (this branch no longer does that, so the assert() statements can go back in). check-in: 8445fb6d user: dan tags: wal2
16:30
Merge latest wal2 changes into this branch. check-in: c31eeb3c user: dan tags: begin-concurrent-wal2
16:15
Merge latest trunk changes into this branch. check-in: 87ef68f9 user: dan tags: wal2
16:08
Merge latest trunk changes into this branch. check-in: 5bf212f1 user: dan tags: begin-concurrent
16:01
Add another test case to vacuum-into.test. check-in: 0465d2fc user: dan tags: trunk
15:27
Add test cases for commit [6c6fb1c6]. check-in: 3961995c user: dan tags: trunk
14:34
Raise an error if the argument to VACUUM INTO is an identifier. check-in: 6c6fb1c6 user: drh tags: trunk
2019-01-01
19:17
Fix another fts5 problem caused by a corrupt database. check-in: 911342f7 user: dan tags: trunk
18:00
Ensure that when a new cursor is opened by OP_OpenDup, any existing cursor with the same id opened by a previous OP_OpenDup is closed first. check-in: 5c188361 user: dan tags: trunk
13:59
Fix another case in fts5 where a corrupt database could cause a buffer overread. check-in: f7e6cdc5 user: dan tags: trunk
2018-12-31
21:43
Fix harmless compiler warnings. check-in: b57c545a user: drh tags: trunk
20:39
Additional steps to help ensure that scalar subqueries are only evaluated once even if they are used in multiple places within the query. This fixes a performance regression reported on the mailing list and caused by check-in [531eca6104e41e43] which was a fix for ticket [787fa716be3a7f650c]. Think of this check-in as an improved fix for that ticket. check-in: e1303193 user: drh tags: trunk