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100 events occurring around 31942b3dd3f66eb0.
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2018-11-16
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| 13:56 | Enhance the xBestIndex interface of virtual table so that if the xBestIndex method returns SQLITE_CONSTRAINT then that particular combination of constraints is considered unusable and does not participate further in query planning. check-in: 684013ce user: drh tags: trunk | |
| 13:06 | Fix comments and make magic numbers into #defines in the fsdir implementation. check-in: c537c9c3 user: drh tags: trunk | |
| 08:36 | Fix a problem with virtual table "fsdir" and some join queries. check-in: 7fffcee0 user: dan tags: trunk | |
| 01:42 | Improvements to the CSV virtual table. check-in: 0406ecbb user: drh tags: trunk | |
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2018-11-15
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| 21:20 | Fix some problems with the feature on this branch. Many problems remain. check-in: 31b6aee7 user: dan tags: reuse-schema1 | |
| 19:12 | Fix typos in the previous check-in. check-in: 9b37bbf5 user: mistachkin tags: trunk | |
| 16:56 | Include geopoly in the compiler-warning script. check-in: 3d947e1e user: drh tags: trunk | |
| 13:51 | New fuzztest cases. check-in: e8316ba4 user: drh tags: trunk | |
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2018-11-13
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| 20:21 | Fix a potential buffer overread in the dbstat virtual table when processing a corrupt database file. check-in: a62e6b59 user: drh tags: trunk | |
| 19:51 | Turn on ASAN for the dbfuzz2 utility. Fix a buffer overread associated with sqlite3_deserialize(). check-in: 4e38f27b user: drh tags: trunk | |
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2018-11-12
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| 15:20 | New hyperlinks in comments used to generate documentation. No changes to code. check-in: f9755f81 user: drh tags: trunk | |
| 13:20 | Fix a use-after-free problem in the fts5vocab virtual table. check-in: ac69d169 user: dan tags: trunk | |
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2018-11-10
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| 20:07 | Merge the read-only shadow table and defensive mode enhancments from trunk. check-in: 977fc44e user: drh tags: apple-osx | |
| 18:23 | Add support for read-only shadow tables on virtual tables. Added the SQLITE_DEFAULT_DEFENSIVE compile-time option that can put SQLite in defensive mode by default. check-in: 9c685171 user: drh tags: trunk | |
| 17:37 | Add the "changesetfuzz" program. For fuzzing changeset blobs. check-in: 2bae0e7c user: dan tags: trunk | |
| 17:36 | Merge latest trunk changes. Closed-Leaf check-in: b6d549c9 user: dan tags: changesetfuzz | |
| 04:14 | Remove a NEVER() that is reachable after all. Reverts checkin [9292d3351c40339]. Closed-Leaf check-in: c5dc7fb8 user: drh tags: read-only-shadow | |
| 03:47 | Merge fixes from trunk. check-in: bf88efce user: drh tags: read-only-shadow | |
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2018-11-09
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| 23:45 | Merge fixes from trunk. check-in: e3e9b85e user: drh tags: apple-osx | |
| 23:41 | Fix invalid use of unprotected sqlite3_value objects in the sqldiff utility, when using the --changeset option. check-in: a8d65214 user: drh tags: trunk | |
| 20:04 | When a table is renamed using "ALTER TABLE RENAME TO", update any REFERENCES clauses that refer to the table, unless "PRAGMA legacy_alter_table" is true and "PRAGMA foreign_keys" is set to false (i.e. so that when "PRAGMA legacy_alter_table" is set behaviour is still compatible with versions 3.24 and earlier). check-in: ae9638e9 user: dan tags: trunk | |
| 18:44 | Merge latest trunk changes with this branch. check-in: ae88f8e1 user: dan tags: reuse-schema | |
| 14:18 | • Fixed ticket [787fa716]: Assertion fault when multi-use subquery implemented by co-routine plus 3 other changes artifact: f1d68076 user: drh | |
| 14:17 | Fix for ticket [787fa716be3a7f650cac] check-in: 531eca61 user: drh tags: trunk | |
| 13:41 | • Edit [8d663bfaaa4656c4|8d663bfa]: Move to branch tkt787fa716-deadend. Mark "Closed". Edit check-in comment. artifact: 5091e717 user: drh | |
| 13:39 | • Ticket [787fa716] Assertion fault when multi-use subquery implemented by co-routine status still Open with 4 other changes artifact: 23c14e4a user: drh | |
| 00:02 | Disable the use of coroutines for subqueries within a query that is the RHS of an IN operator, as the IN operator might be evaluated more than once. Possible fix for [787fa716be3a7f65], unless we can come up with something better. Later: Counter-example found. Closed-Leaf check-in: 8d663bfa user: drh tags: tkt787fa716-deadend | |
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2018-11-08
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| 22:53 | In the treeview.c module, break out the display of SrcList into a separate subroutine, so that it can be invoked while debugging. check-in: 8c74065f user: drh tags: trunk | |
| 22:03 | • Ticket [787fa716] Assertion fault due to IN operator status still Open with 3 other changes artifact: 0d3537a7 user: drh ... 3 similar events omitted. | |
| 17:32 | Improved documentation for SQLITE_DBCONFIG_DEFENSIVE. Add a NEVER() macro on an unreachable branch. check-in: 9292d335 user: drh tags: read-only-shadow | |
| 15:06 | • New ticket [787fa716] Assertion fault using window functions. artifact: 03d10343 user: drh | |
| 14:59 | Add tests and a fix for program "changesetfuzz". check-in: 09b90db5 user: dan tags: changesetfuzz | |
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2018-11-07
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| 20:13 | Merge latest trunk changes into this branch. check-in: 53cd91d0 user: dan tags: changesetfuzz | |
| 20:07 | Fix minor issues in the changesetfuzz program. check-in: 5c7f0240 user: dan tags: changesetfuzz | |
| 17:52 | Update the "changesetfuzz" program to work with patchsets as well as changesets. check-in: 75b00fbe user: dan tags: changesetfuzz | |
| 16:46 | Performance improvement in subroutine that decides whether or not a table is read-only. check-in: 6e4968b0 user: drh tags: read-only-shadow | |
| 16:12 | Merge the onefile permutation fix from trunk. check-in: e543bff8 user: drh tags: read-only-shadow | |
| 14:41 | More test-case adjustments for defensive mode. check-in: 911e8a17 user: drh tags: read-only-shadow | |
| 14:39 | Fix a problem with the handling of SQLITE_FCNTL_PRAGMA in the test_onefile.c demo. check-in: 13e21b7d user: dan tags: trunk | |
| 13:41 | Merge the permutations fix from trunk. check-in: b753d849 user: drh tags: read-only-shadow | |
| 11:56 | Partially revert [3e1a2f661], as some test scripts require separate $presql and $dbconfig variables. check-in: cbf85284 user: dan tags: trunk | |
| 02:17 | Add the SQLITE_DEFAULT_DEFENSIVE compile-time option. Fix up test cases so that they work with DEFENSIVE enabled. check-in: 3212733c user: drh tags: read-only-shadow | |
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2018-11-06
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| 20:08 | Update the changesetfuzz program to fuzz changeset schemas as well as data. check-in: 141a93c8 user: dan tags: changesetfuzz | |
| 19:26 | Enable DEFENSIVE mode by default for tests. This requires lots of case of turning DEFENSIVE off in order to dodgy things to the database for testing purposes. No all of those cases are yet handled, so "make test" does not run to completion. check-in: a1d6c671 user: drh tags: read-only-shadow | |
| 15:57 | Turn on defensive mode for running test scripts. Does not yet work. check-in: 1c1d24ed user: drh tags: read-only-shadow | |
| 14:03 | Only allow shadow table to be written from within a recursive SQL call. Omit the SQLITE_PREPARE_SHADOW flag. Some tests are failing because the tests depend on being able to write to shadow tables. check-in: d890c658 user: drh tags: read-only-shadow | |
| 13:37 | Add enforcement of read-only on shadow tables. This does not currently work since some virtual tables are attempting to update shadow tables using sqlite3_exec(). check-in: f79b47c9 user: drh tags: read-only-shadow | |
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2018-11-05
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| 23:01 | Initial code to make shadow tables read-only to ordinary SQL. The now xShadowName method is added to the sqlite3_module object and is used to identify potential shadow tables. The SQLITE_PREPARE_SHADOW argument to sqlite3_prepare_v3() is defined. It is designed to permit writing to shadow tables, but is currently an unused placeholder. check-in: 31942b3d user: drh tags: read-only-shadow | |
| 20:37 | Version 3.25.3 check-in: 89e099fb user: drh tags: release, version-3.25.3, branch-3.25 | |
| 20:37 | Add preliminary version of "changesetfuzz" program. For fuzzing changeset data without creating corrupt changesets. check-in: 81ac8745 user: dan tags: changesetfuzz | |
| 19:37 | Add the SQLITE_DBCONFIG_DEFENSIVE flag. check-in: 11d98414 user: drh tags: trunk | |
| 16:38 | Eponymous virtual tables appear to exist in all schemas. This is an alternative and improved fix to the eponymous virtual table in trigger problem that was previously addressed by checkin [1fa74930ab56171e]. check-in: b8d35c4a user: drh tags: trunk | |
| 13:53 | Merge recent trunk enhancements. check-in: 62acf7a0 user: drh tags: apple-osx | |
| 13:48 | Disable the IS NOT NULL optimization when the IS NOT NULL operator is part of the ON clause of a LEFT JOIN. Fix for ticket [65eb38f6e46de8c75e188a17ec]. check-in: 8d09ce5d user: drh tags: branch-3.25 | |
| 13:43 | Add extra defenses against strategically corrupt databases to fts3/4. check-in: 940f2adc user: drh tags: branch-3.25 | |
| 13:42 | • Fixed ticket [1a84668d]: Assertion fault due to malformed PRIMARY KEY plus 5 other changes artifact: 4912034c user: drh | |
| 13:37 | Increase the version number to 3.25.3. check-in: 1250ab8f user: drh tags: branch-3.25 | |
| 13:35 | Fix a assert() in the query planner that can arise when doing row-value operations on a PRIMARY KEY that contains duplicate columns. Ticket [1a84668dcfdebaf12415d]. check-in: 1309c84a user: drh tags: branch-3.25 | |
| 08:09 | • Fixed ticket [65eb38f6]: Incorrect answer on LEFT JOIN when STAT4 is enabled plus 6 other changes artifact: 88c47ba1 user: drh | |
| 07:53 | Disable the IS NOT NULL optimization when the IS NOT NULL operator is part of the ON clause of a LEFT JOIN. Fix for ticket [65eb38f6e46de8c75e188a17ec]. check-in: af39661e user: drh tags: trunk | |
| 07:34 | • New ticket [65eb38f6] Incorrect answer on LEFT JOIN when STAT4 is enabled. artifact: cf10feff user: drh | |
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2018-11-03
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| 17:31 | Correct the internal logic for SQLITE_DBCONFIG_DEFENSIVE. Closed-Leaf check-in: 76094345 user: drh tags: dbconfig-defensive | |
| 16:51 | Add extra defenses against strategically corrupt databases to fts3/4. check-in: d44318f5 user: dan tags: trunk | |
| 16:09 | Add the SQLITE_DBCONFIG_DEFENSIVE flag. check-in: af3f29d4 user: drh tags: dbconfig-defensive | |
| 13:11 | Fix a assert() in the query planner that can arise when doing row-value operations on a PRIMARY KEY that contains duplicate columns. Ticket [1a84668dcfdebaf12415d]. check-in: dcb8c735 user: drh tags: trunk | |
| 12:36 | • New ticket [1a84668d] Assertion fault due to malformed PRIMARY KEY. artifact: 25fe2f85 user: drh | |
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2018-11-02
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| 17:38 | Enhance triggers so that they can use table-valued-functions that exist in schemas outside of the schema in which the trigger is defined. check-in: 1fa74930 user: drh tags: trunk | |
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2018-10-31
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| 20:52 | Deploy the sqlite3Strlen30NN() function (argument guaranteed to be non-NULL) for a small performance improvement. check-in: 4a6ad519 user: drh tags: trunk | |
| 19:01 | Add support for the SQLITE_PREPARE_NORMALIZED flag and the sqlite3_normalized_sql() when compiling with SQLITE_ENABLE_NORMALIZE. Also remove unnecessary whitespace from Makefiles. check-in: 790ea39a user: drh tags: trunk | |
| 18:24 | Tweaks to the test_intarray documentation and tests. check-in: 7107f0da user: drh tags: trunk | |
| 01:26 | Merge fixes from trunk, especially rebustness against corrupt database files. check-in: 4b370c74 user: drh tags: apple-osx | |
| 01:12 | Merge fuzz test cases computed by dbfuzz2. check-in: e0d30c18 user: drh tags: trunk | |
| 01:04 | Improved corrupt database detection in the relocatePage() routine of the b-tree module. check-in: d5787333 user: drh tags: trunk | |
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2018-10-30
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| 23:45 | Add new fuzzer cases generated by dbfuzz2. Closed-Leaf check-in: 79fdad8b user: drh tags: dbfuzz2-cases | |
| 19:14 | Update comments in sqlite3session.c to describe the format of "rebase blobs", as well as changesets and patchsets. check-in: bf93f7b5 user: dan tags: trunk | |
| 16:25 | Split the SQLITE_WriteSchema flag in two flags, WriteSchema and SQLITE_NoSchemaError. Set only WriteSchema on a VACUUM to avoid problems when trying to vacuum a corrupt database. With this change, the size of the flags field on sqlite3 must grow from 32 to 64 bytes. check-in: 4f987810 user: drh tags: trunk | |
| 15:33 | • Edit [585c94db09d21ce5|585c94db]: Mark "Closed". artifact: 41a0ebf3 user: drh | |
| 15:31 | Modify the CLI so that the --deserialize option is only available if it is compiled with SQLITE_ENABLE_DESERIALIZE. DESERIALIZE is now off by default for the main.mk makefile, but on for Makefile.in and Makefile.msc. check-in: 90b2a684 user: drh tags: trunk | |
| 15:20 | Improvements to the -fsanitize=fuzzer based database file fuzzer. (Cherrypick from the rubust-against-damaged-db branch.) check-in: 3cc01a0e user: drh tags: trunk | |
| 14:36 | In the CLI, when opening a file that begins with the normal SQLite prefix, open the file as a normal database even if it has a ZIP for AppendVFS record at the end. check-in: 7989bbda user: drh tags: trunk | |
| 13:19 | Enable sqlite3_deserialize() in the CLI. The --deserialize option associated with opening a new database cause the database file to be read into memory and accessed using the sqlite3_deserialize() API. This simplifies running tests on a database without risk of modifying the file on disk. check-in: 5e0129ee user: drh tags: trunk | |
| 01:38 | • Edit [3afec260142f939c|3afec260]: Move to branch robust-against-damaged-db. artifact: 2c7e9d99 user: drh | |
| 00:06 | Improvements to the -fsanitize=fuzzer based database file fuzzer. Closed-Leaf check-in: 585c94db user: drh tags: robust-against-damaged-db | |
| 00:06 | In the VACUUM command, defer setting writable_schema until after it has been determined that the schema is not corrupt. check-in: 3afec260 user: drh tags: robust-against-damaged-db | |
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2018-10-29
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| 21:01 | Fix a potential assertion fault that can occur while trying to DROP a table from a corrupted database file. check-in: 147a9429 user: drh tags: trunk | |
| 18:33 | Fix minor memory leak in the dbstat extension that can occur following an attempt to analyze a corrupt database file. check-in: cb874fd8 user: drh tags: trunk | |
| 17:53 | Add the sqlite3_normalized_sql() API. Closed-Leaf check-in: 592b66e8 user: mistachkin tags: normalized_sql | |
| 17:08 | In the sessions module, avoid collecting rebase data if the user has not requested it. check-in: de72a773 user: dan tags: trunk | |
| 16:07 | Harden the dbstat extension against corrupt database files. check-in: a0d47f25 user: drh tags: trunk | |
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2018-10-27
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| 21:06 | Improvements to the dbfuzz2.c test module. check-in: d60eff49 user: drh tags: trunk | |
| 16:02 | Add an entry in Makefile.in to build dbfuzz2 using clang-6.0 with -fsanitize=fuzzer,undefined. check-in: a4a083ed user: drh tags: trunk | |
| 00:47 | Initial code for a fuzzing tool on database file that works with the -fsanitize=fuzzer option of clang. check-in: 90d12094 user: drh tags: trunk | |
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2018-10-26
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| 17:05 | Add the sqlite3session_config() interface. For configuring global parameters belonging to the sessions module. check-in: 1e69f3ff user: dan tags: trunk | |
| 15:36 | Prevent an == constraint specified using the table-valued-function argument syntax from being used to optimize any scan not related to the virtual table for which it was specified as an argument. check-in: 4d46685f user: dan tags: trunk | |
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2018-10-25
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| 16:58 | Merge bug fixes from trunk. check-in: 1e973f65 user: drh tags: apple-osx | |
| 15:25 | In the WHERE-constraint propagation optimization, if there are duplicate constraint, make sure only one of them propagates. Proposed fix for ticket [cf5ed20fc8621b165]. check-in: caebf879 user: drh tags: branch-3.25 | |
| 15:17 | • Fixed ticket [cf5ed20f]: Incorrect join result with duplicate WHERE clause constraint plus 5 other changes artifact: a7a056a8 user: drh | |