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100 check-ins occurring around 0e4789860b81c31d.

2021-04-17
18:39
Add new dbsqlfuzz cases to test/fuzzdata8.db. (check-in: d18793e5 user: drh tags: trunk)
14:42
Fix cases where code in expr.c was failing to handle OOM failures that occurred while processing sub-select expressions. (check-in: 62efe2ee user: dan tags: trunk)
13:46
Ensure that variables are not used in the WINDOW clause of a query inside of a trigger. dbsqlfuzz d9cf66100064952b66951845dfab41de1c124611 (check-in: 1a341378 user: drh tags: trunk)
2021-04-16
23:53
Merge from trunk. (check-in: 43894f0b user: larrybr tags: compile_options)
23:43
Add geopoly to $::sqlite_options() and use it to pass more tests. (check-in: 23da5016 user: larrybr tags: trunk)
22:53
Performance optimizations in the code generator, especially in name resolution. (check-in: ab83a998 user: drh tags: trunk)
21:29
Make a test conditioned on feature used. (check-in: 31afda7a user: larrybr tags: trunk)
19:25
Add new dbsqlfuzz-generated cases to test/fuzzdata8.db. (check-in: 1ac0a056 user: drh tags: trunk)
17:09
Fix another undefined behaviour in fts3 that could follow an OOM error. (check-in: fac3ff85 user: dan tags: trunk)
16:55
Avoid signed integer overflow when finding snippets in fts3 by using 64-bit integer offsets. (check-in: 4cc09a87 user: dan tags: trunk)
15:44
Merge from trunk. (check-in: d762784a user: larrybr tags: compile_options)
12:33
Remove an ALWAYS() from a branch in sqlite3ExprAddCollateToken() which can be false following an OOM. dbsqlfuzz 9e8516bf1e786c84e520ae43141b75b7399f8618. (check-in: 6af4e6d0 user: drh tags: trunk)
12:13
Fix an assert() in whereLoopAddOr() that can be wrong if an OOM occurs in an OR constraint on a virtual table if one of the terms of the OR is an IN operator. dbsqlfuzz 5ee7350b40014f5a878c5d6e76913a2d619f5146 (check-in: 5cb40e53 user: drh tags: trunk)
11:25
Fix an assert() in fts3 that might fail when handing corrupt records. (check-in: d0e2d674 user: dan tags: trunk)
11:05
Fix the comment on the implementation of the pi() SQL function. No changes to code. (check-in: 5620bd46 user: drh tags: trunk)
10:25
Dial back assumptions on compile option defaults to reflect actual conditionals. (check-in: cb312772 user: larrybr tags: compile_options)
01:03
Do not invoke sqlite3ExprAffinity() if there is a possibility that the Expr is incomplete due to a prior OOM. dbsqlfuzz b8a824706914488bd236da51118eb9174ceb870f (check-in: e8a1515b user: drh tags: trunk)
2021-04-15
23:43
Merge from (forked) trunk. Handle compile options that differ from default by being 0. (check-in: 6eb83f83 user: larrybr tags: compile_options)
19:09
Fix a bad interaction between constant propagation and transitive term handling causing patterns like "WHERE unlikely(t1.x=t1.y) AND t1.y=?" to return non-matching rows. See forum post c38462ab5e. (check-in: 2363a14c user: dan tags: trunk)
13:26
Add extra test case for OOM handling in where.c. (check-in: 7163de3d user: dan tags: trunk)
12:56
Make sure the WhereInfo.pExprMods list is properly cleared when existing sqlite3WhereBegin() early due to an OOM fault. dbsqlfuzz 1247a51318047aba42e7f6991dfa62577cb7a151. (check-in: 0e19af72 user: drh tags: trunk)
00:26
Bring pragma compile_options up to date. And make mkctimec.tcl help do so. (check-in: 63ea3e29 user: larrybr tags: compile_options)
2021-04-14
15:25
Prevent an assert() from failing if sqlite3_blob_reopen() is called on a blob-handle that has already hit an SQLITE_CORRUPT error. (check-in: b5dc7aba user: dan tags: trunk)
12:11
Fix a potential crash when using json_group_array() as a window function. (check-in: 3c266690 user: dan tags: trunk)
11:20
Fix an assert() in the code generator for expressions so that it is valid even after an OOM. (check-in: 427e83eb user: drh tags: trunk)
2021-04-13
18:39
Fix a problem with handling expressions like "(col IS NULL AND <expr1>) OR col == NULL" in WHERE clauses. Reported at https://sqlite.org/forum/forumpost/1c4f2fdcc4. (check-in: e8c7bd34 user: drh tags: branch-3.35)
17:45
Fix an undefined signed integer overflow in fts5. (check-in: e6f0adb0 user: dan tags: trunk)
13:48
Do not leave a WITHOUT ROWID table without a primary key index structure due to an OOM error. This prevents downstream troubles in the case of PRAGMA writable_schema=ON. dbsqlfuzz 69fb32cc82d59b4d790881566e3f6c727e616122 (check-in: 608b6644 user: drh tags: trunk)
13:20
The SQLITE_NoSchemaError flag should not apply to OOM errors while parsing the schema. (check-in: 9cc484ad user: drh tags: trunk)
13:01
Earlier detection empty_result_callbacks in sqlite3InitCallbac() to avoid problems with corrupt schemas an writable_schema=ON. dbsqlfuzz ca4ca43bdb22eab9859de4979aec615af851e111. (check-in: fb305fe0 user: drh tags: trunk)
12:28
In the rtreedepth() function, detect OOM when converting a zeroblob() on input. dbsqlfuzz ed23eda7cc3a8a054f85ea19d55c59ba2ca72744. (check-in: 69f843c8 user: drh tags: trunk)
01:12
Fix an error in the inversion function for json_group_array(). dbsqlfuzz 68a4b0f668b7bc27235e3f1c5cff8a2d94cfa17e. (check-in: e718a62e user: drh tags: trunk)
2021-04-12
23:18
Fix a faulty assert() inside sqlite3ExprDup(). (check-in: 59812e7e user: drh tags: trunk)
22:39
Fix an assert() in OP_ParseSchema so that it works even after an OOM. (check-in: 79b88353 user: drh tags: trunk)
18:32
Avoid taking the address of a NULL pointer following an OOM in FTS5. Doing so is harmless in actual practice, but it technically UB so we want to avoid it. (check-in: 1cfcd9dc user: drh tags: trunk)
17:34
Add an assert() to show that the SF_Resolved flag does not get set if errors are being suppressed. (check-in: f455c5b0 user: drh tags: trunk)
16:59
Fix a segfault that could occur if the ORDER BY clause of a compound SELECT contains a sub-select that uses one or more window functions. (check-in: 5ba15ebb user: dan tags: trunk)
12:58
Fix the display of SrcList in the sqlite3TreeView debugging routines. (check-in: 28ecb381 user: drh tags: trunk)
12:02
Avoid an assert() failure when a compound scalar sub-select is, due to a "WHERE (sub-select) AND (... OR ...)" clause, coded twice by the code generator. (check-in: a4e3f133 user: dan tags: trunk)
11:51
Fix harmless comment typo in main.c. (check-in: 785a553e user: drh tags: trunk)
2021-04-11
00:11
Add NEVER() to a branch that is no longer reachable due to check-in [a1d823f6879ce1ac]. (check-in: 5fda21fe user: drh tags: trunk)
2021-04-10
20:27
Avoid an uninitialized-memory valgrind error by tightening up corruption detection in internal routine defragmentPage(). (check-in: 8096f7ae user: dan tags: trunk)
20:21
Add NEVER() to a branch that became unreachable with check-in [58f36af2271517ab]. (check-in: e07ce463 user: drh tags: trunk)
15:34
Avoid invoking sqlite3Atoi64() will a null pointer following an error from ExpandBlob(). (check-in: 780412f2 user: drh tags: trunk)
14:49
Fix a problem with handling expressions like "(col IS NULL AND <expr1>) OR col == NULL" in WHERE clauses. Reported at https://sqlite.org/forum/forumpost/1c4f2fdcc4. (check-in: 40852ca8 user: dan tags: trunk)
13:37
Refactor NameContext.nErr into nNcErr to avoid confusion with Parse.nErr. Do not abandon sqlite3ResolveExprList() on nNcErr if nErr is still zero as we might have hit a problem with ORDER BY resolution that should be a suppressed error. dbsqlfuzz 41b9dad40919d3549ca7e52d893da81a6dded4ad (check-in: 7d674970 user: drh tags: trunk)
2021-04-09
22:34
Remove a NEVER() in a corruption detection conditional in defragmentPage(). dbsqlfuzz 9c61c33802600b2b01dfb09b0386ceb4ade02a19 (check-in: c174f5d3 user: drh tags: trunk)
22:20
Remove an ALWAYS() that is actually reachable following an OOM on an UPDATE FROM of a virtual table. dbsqlfuzz aa03237ef7c4a028c7cdaf8bbcde2b62e2bcd36e (check-in: 49eac389 user: drh tags: trunk)
20:50
Have the VFS in memdb.c return SQLITE_IOERR_NOMEM instead of SQLITE_NOMEM when an OOM error is encountered. This is required to get the pager module to handle such OOM errors correctly in some cases. (check-in: 09c96b4c user: dan tags: trunk)
2021-04-08
20:29
Fix a use-after-free error that could occur when processing "SELECT aggregate(DISTINCT <expr>)..." queries. (check-in: 0e478986 user: dan tags: trunk)
19:56
Remove an ALWAYS() that might be false under very unusual circumstances. dbsqlfuzz 300261f469ace7ecc57ed32ea7b0de3ea9d7dbf. Test case in TH3. (check-in: 466f5089 user: drh tags: trunk)
19:39
Handle the corruption fixed by the previous commit in a different way so as to also fix dbsqlfuzz crash 753de0a0ac5b25b18f1e4d41e650d3333cdc270c. (check-in: cb27ce25 user: dan tags: trunk)
15:19
Handle a special case of corruption that can present if "PRAGMA writable_schema=1" is set. Fix for dbsqlfuzz test case 6229ad63de49e3ba0630aaf0058868f36008bcca. (check-in: 58f36af2 user: dan tags: trunk)
14:15
Harden the filter_over grammar rule against OOM faults. dbsqlfuzz e47c54502a9c36778a5ed553199d5870e2ebd9f2 (check-in: f375f541 user: drh tags: trunk)
13:52
Remove an incorrect assert() from sqlite3EndTable(). dbsqlfuzz 4af45bcda779592449b1985433bca90b0e683b9b. (check-in: 38a1085c user: drh tags: trunk)
13:41
Fix an obscure memory leak in FTS3. dbsqlfuzz 26a51001beeff35649d2e328b05ec06f93c577a5 (check-in: be7cd9eb user: drh tags: trunk)
2021-04-07
18:17
Do not allow the use of rowid for views and subqueries unless compiled with -DSQLITE_ALLOW_ROWID_IN_VIEW. (check-in: a2ddb89b user: drh tags: trunk)
18:08
Add the SQLITE_ALLOW_ROWID_IN_VIEW option to omitttest.tcl. (Closed-Leaf check-in: 83b8e4c2 user: drh tags: no-rowid-on-view)
17:46
Merge latest changes into this branch. (check-in: 655c2841 user: dan tags: begin-concurrent-report)
17:32
Merge latest trunk changes into this branch. (check-in: 1f3f7e4b user: dan tags: begin-concurrent-pnu)
15:45
Also prohibit the use of rowid from a subquery. Add the SQLITE_ALLOW_ROWID_IN_VIEW compile-time option to restore legacy behavior in case somebody actually needs it. (check-in: 14b1d56e user: drh tags: no-rowid-on-view)
15:23
Merge version 3.35.4 with this branch. (check-in: 4b4f8791 user: dan tags: reuse-schema-3.35)
15:13
Update a broken assert() on this branch. (check-in: e69f2989 user: dan tags: reuse-schema)
13:20
Unnecessary local variable initialization to fix a harmless compiler warning. (check-in: c22e47c7 user: drh tags: trunk)
12:59
In FTS3, if the xBegin method fails to start a transaction due to an OOM error, then make sure that the virtual table is left in a consistent state. dbsqlfuzz 85ef48423fda4eef79a551654445d8ef3537a590. (check-in: dd553578 user: drh tags: trunk)
12:36
Fix an assert in the automatic-index constructor that can be false following an OOM error. dbsqlfuzz ee04d66c627ed5b5301e0ce09e24db47e0f1544e. (check-in: cc6463fe user: drh tags: trunk)
12:21
Earlier detection of page 1 on the freelist (which is impossible) and reporting of that as database corruption. dbsqlfuzz 6fe6c504b320be5e3eed66896cb0db28bfb38a93. (check-in: b1bf0d98 user: drh tags: trunk)
12:02
Fix a possible crash that could occur when executing a drop column operation on a corrupt database schema. (check-in: c3378494 user: dan tags: trunk)
09:31
Fix seg-fault upon appendvfs attempt to open non-existent file. (check-in: 04f6439f user: larrybr tags: trunk)
2021-04-06
23:29
Do not apply the optimization that omits DISTINCT if all result terms are part of a UNIQUE index if the index is also a partial index. Fix for the bug reported by forum post 66954e9ece. (check-in: c2f940b0 user: drh tags: trunk)
22:56
Detect OOM earlier in the geopoly extension. dbsqlfuzz 0986e7b020e6137fc6b96331f91d15753d18e42d. (check-in: 72371175 user: drh tags: trunk)
21:20
Modify the drop column code to handle WITHOUT ROWID tables for which a single column appears more than once in the primary key. (check-in: e0d25070 user: dan tags: trunk)
19:13
Raise an error if a query tries to access the "rowid" of a view, as views do not have rowids. (check-in: 7a73c616 user: drh tags: no-rowid-on-view)
18:40
Restructure a loop in window.c to avoid hitting an assert() following an OOM. dbsqlfuzz test case 6ef74a9659de87e9be3d8694ad062c448aa7ef1d. (check-in: 887c19a1 user: dan tags: trunk)
18:02
Update an assert statement that could fail when using "PRAGMA writable_schema = 1" to access a database with a corrupt schema. (check-in: 55cad6f6 user: dan tags: trunk)
17:51
Fix issue with failing --enable-debug --enable-fts5 build. (check-in: e7491acc user: dan tags: trunk)
16:55
New test cases added to fuzzdata8.db. (check-in: 039ad662 user: drh tags: trunk)
16:42
Silence an msan warning triggered by a corrupt database by initializing a local variable in sqlite3Insert(). (check-in: f64deece user: dan tags: trunk)
16:16
Avoid a use-after-free that may occur when accessing a corrupt database schema with "PRAGMA writable_schema = 1" set. (check-in: a1d823f6 user: dan tags: trunk)
14:46
Remove some test routines from release builds of fts5. (check-in: 3088bf15 user: dan tags: trunk)
13:57
Fix incorrect RETURNING test cases in wherelimit.test (check-in: 20d21ff9 user: dan tags: trunk)
13:56
Earlier detection of OOM errors during window function processing. dbsqlfuzz b08676f5a0437552c95d2a5d7ef285f8c451ea35. (check-in: 8e04f52e user: drh tags: trunk)
13:53
Handle "RETURNING rowid" clauses attached to INSERTs on views without causing an assert() to fail. Fixes dbsqlfuzz crash 0081f863d7b2002045ac2361879fc80dfebb98f1. (check-in: 9c5b7386 user: dan tags: trunk)
13:03
Further improvements (subsequent to [d91450847a3a3a72]) to handling of attempts to delete a journal using the memdb VFS. dbsqlfuzz ac61dab357279a6a531de067f040e9a4828d2df0. (check-in: a0839406 user: drh tags: trunk)
12:50
Earlier detection and handling of OOM problems. dbsqlfuzz 39f2963ea5559aa3a16e24e0e3cb42aac85a7371. (check-in: 8d46df73 user: drh tags: trunk)
2021-04-05
22:42
Relax an assertion on the sqlite3WhereEnd() routine after dbsqlfuzz found a counter-example. (check-in: e6b591e7 user: drh tags: trunk)
22:30
Add a missing CORRUPT_DB to an assert in the OP_ResultRow opcode. (check-in: 82f92d79 user: drh tags: trunk)
19:23
Adjust the README.md file so that build instructions work for Fossil version 2.12 and later. Forum post 51f28bb701. (check-in: 51f87adc user: drh tags: trunk)
19:05
Do not allow floating point rounding errors to cause a window function xInverse() function to be invoked before the corresponding xStep() call. (check-in: 7a19fed4 user: dan tags: trunk)
17:50
Fix an assert() that can be false when doing an incremental vacuum on a corrupt database file. dbsqlfuzz cced0668cfd4da4eb2382cb9dd26c17c64aaff76. (check-in: 15b80101 user: drh tags: trunk)
16:20
Avoid coding unindexed WHERE constraints if an equivalent transitive term has already been coded by an outer loop. (check-in: 644bb77f user: dan tags: trunk)
13:41
Do not invoke the xDelete method when converting to PRAGMA journal_mode=OFF if the underlying VFS does not support that method. dbsqlfuzz 39d6af88ef5242f866c4f9b21ede330c5c1e36a8. (check-in: d9145084 user: drh tags: trunk)
11:39
As a continuation of [1f66a85b7757754f], ensure that an OOM that occurs while checking the validity of the schema is reported out as SQLITE_NOMEM and not as SQLITE_SCHEMA. (check-in: 5045c8a7 user: drh tags: trunk)
2021-04-04
23:56
Fix an assert() in sqlite3BtreeLast() that needs an "|| CORRUPT_DB" term. Dbsqlfuzz case b92b72e4de80b5140c30ab71372ca719b8feb618. (check-in: ad718388 user: drh tags: trunk)
14:22
Avoid compile error when SQLITE_OMIT_VIRTUALTABLE defined. (check-in: 0ee0ef47 user: larrybr tags: trunk)
12:52
Make shell .parameter feature type-agnostic. Hush harmless compiler warning. (check-in: 35cf295e user: larrybr tags: trunk)
2021-04-03
23:30
Improved robustness to OOM conditions in the window function logic. dbsqlfuzz 0c123f7d80b29beaafc8411c12129e46f7ffdac3. (check-in: 35ff7cbf user: drh tags: trunk)
20:35
Take care not to change an SQLITE_NOMEM error into SQLITE_SCHEMA. (check-in: 1f66a85b user: drh tags: trunk)
19:23
Fix a crash in handling queries of the form "SELECT aggregate(DISTINCT tbl.col) FROM ... LEFT JOIN tbl ...". Fixes a problem introduced by [ef4ac0ddd297bbd3]. (check-in: 0dcf808d user: dan tags: trunk)
2021-04-02
20:53
Merge latest trunk changes with this branch. (check-in: a2216259 user: dan tags: begin-concurrent-report)