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200 most recent check-ins using file test/btree01.test version e08b3613
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2024-04-02
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| 18:48 | Fix typos in comments. Provided ".wheretrace" debugging output for the interstage heuristic module. Do omit automatic index loops in the interstage heuristic. (Leaf check-in: 357d9513 user: drh tags: branch-3.28) | |
| 18:31 | Fix table-valued functions so that they will work as the right table in a LEFT JOIN. Ticket [2ae0c599b735d59e] (check-in: 1f97086d user: drh tags: branch-3.28) | |
| 11:54 | Add a heuristic in between the two solver() passes of the query planner that tries to prevent a very slow query plan in cases where the output row count estimate is imprecise. (check-in: 74b247d9 user: drh tags: branch-3.28) | |
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2023-11-29
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| 16:26 | Fix a duplicate assert() caused by the second cherrypick in the previous check-in. (check-in: f10d4fc4 user: drh tags: branch-3.28) | |
| 16:07 | Remove Window objects from the corresponding Select.pWin list when they are deleted, as they are, for example, when the ORDER BY clause is optimized out. (check-in: f9c6e6a7 user: drh tags: branch-3.28) | |
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2023-10-19
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| 21:05 | Ensure that when an ephemeral cursor is reopened with a second invocation of to OP_OpenEphemeral, the sequence counter is reset and the cache marked as stale. Fix for [9cdc5c46]. (check-in: d4bfa8d2 user: drh tags: branch-3.28) | |
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2023-09-15
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| 20:04 | Drop support for the view-scan optimization as it was causing multiple performance regressions. In its place, reduce the estimated row count for DISTINCT subsqueries by a factor of 8. (check-in: 796a65fa user: drh tags: branch-3.28) | |
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2023-02-26
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| 11:52 | In the omit-unused-subquery-columns optimization, be sure to remove the EP_Skip and EP_Unlikely flags from the result set expressions that get nulled-out. dbsqlfuzz bf1d3ed6e0e0dd8766027797d43db40c776d2b15. Also fix an incorrect ".selecttrace" code block. (check-in: 83a7f13e user: drh tags: branch-3.28) | |
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2023-02-16
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| 21:01 | Fix an #ifdef that uses a different macro name from the main branch. (check-in: ad6ac5d3 user: drh tags: branch-3.28) | |
| 19:04 | Back-port omit-unused-subquery-column enhancements into the 3.28 branch. (check-in: 57a4e91f user: drh tags: branch-3.28) | |
| 14:29 | Do not compute result columns of subqueries that are never used. Make those columns NULL instead. This optimization potentially resolves the enhancement request described by [ticket baa5bb76c35a124c]. (check-in: 0163b697 user: drh tags: branch-3.28) | |
| 01:29 | Do not compute unused result columns of subqueries. This optimization will potentially resolve the performance optimization request of [ticket baa5bb76c35a124c]. (Closed-Leaf check-in: 0c21b6a5 user: drh tags: branch-3.26) | |
| 01:21 | Update test cases so that they work with TCL 8.7 and later. (check-in: e9b762de user: drh tags: branch-3.26) | |
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2023-02-15
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| 13:00 | Update the configure script so that it contains the correct version number. (check-in: a7cbf308 user: drh tags: branch-3.26) | |
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2022-10-24
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| 13:50 | Improve the ability of the query planner to recognize covering indexes even on tables with more than 63 columns and where the index is over columns beyond the 63rd column. (check-in: 3d1992de user: drh tags: branch-3.28) | |
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2022-10-19
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| 11:22 | If a query uses an index where one or more of the columns of the index is an expression and if the corresponding expression is used elsewhere in the query, then strive to read the value of the expression out of the index, rather than recomputing it. This is the "Indexed Expression Optimizations". (check-in: 3da10328 user: drh tags: branch-3.28) | |
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2022-09-27
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| 17:00 | Fix a potential division by zero error in this version of RBU that might occur if an external client checkpoints a wal file created by a suspended RBU process. (Leaf check-in: 73edd93a user: dan tags: branch-3.14) | |
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2022-09-01
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| 10:41 | In the query planner, add a heuristic that will reduce the cost of a full table scan for a materialized view or subquery if the full scan is the outer-most loop. This is shown to speed up some queries. (check-in: e3754cc1 user: drh tags: branch-3.28) | |
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2022-08-10
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| 17:03 | Merge the branch-3.28a fixes into branch-3.28. (check-in: ba6bf331 user: drh tags: branch-3.28) | |
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2022-08-09
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| 20:22 | Fix a rounding error caused by scalar->logarithm->scalar conversion when using stat4 data to estimate some range scans. (check-in: 68d86f2b user: drh tags: branch-3.28) | |
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2022-05-06
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| 17:06 | Merge the 3.38.5 fix into the 3.38 subbranch of reuse-schema. (Leaf check-in: bfccca2b user: drh tags: reuse-schema-3.38) | |
| 16:52 | Merge the 3.38.5 fix into the begin-concurrent-wal2 subbranch for 3.38. (Leaf check-in: 0586b3e9 user: drh tags: begin-concurrent-wal2-3.38) | |
| 15:25 | Version 3.38.5 (Leaf check-in: 78d9c993 user: drh tags: release, version-3.38.5, branch-3.38) | |
| 01:02 | Prevent an infinite loop on SQLITE_ERROR_RETRY when trying to modify a corrupt schema while PRAGMA writeable_schema=ON is active. dbsqlfuzz ded83609f475cc989c7339d45efb5151c1495501 (check-in: 7fcdb760 user: drh tags: branch-3.38) | |
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2022-05-05
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| 10:04 | Update the version number to 3.38.5 (check-in: bf73b57f user: drh tags: branch-3.38) | |
| 10:03 | Backout check-in [9fb20a21feb8f697] which was incorrect. (check-in: 66f65b32 user: drh tags: branch-3.38) | |
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2022-05-04
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| 16:46 | Merge version-3.38.4 into the reuse-schema-3.38 subbranch. (check-in: d5b0fd84 user: drh tags: reuse-schema-3.38) | |
| 16:36 | Merge the version 3.38.4 fixes into the begin-concurrent-wal2-3.38 branch. (check-in: 8473718d user: drh tags: begin-concurrent-wal2-3.38) | |
| 15:45 | Version 3.38.4 (check-in: d402f498 user: drh tags: release, version-3.38.4, branch-3.38) | |
| 03:48 | Fix CLI use of wrong allocator for free(). (check-in: 4f83c442 user: larrybr tags: branch-3.38) | |
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2022-05-03
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| 19:51 | Fix multi-byte column name rendition on .import and display of NULL in columnar modes. (check-in: f863aabe user: larrybr tags: branch-3.38) | |
| 14:26 | Increase the version number to 3.38.4. (check-in: def971a0 user: drh tags: branch-3.38) | |
| 14:25 | Fix the Bloom filter pull-down optimization so that it jumps to the correct place if it encounters a NULL key. Fix for the bug described by forum thread 2482b32700384a0f. (check-in: 3dc9fc2f user: drh tags: branch-3.38) | |
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2022-04-30
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| 12:55 | Preserve the COLLATE operator on an index on an expression when resolving the use of that expression into a reference to the index. See forum thread 7efabf4b03328e57 for details. (check-in: ef72f9e2 user: drh tags: branch-3.38) | |
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2022-04-27
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| 13:12 | Merge the version 3.38.3 fixes into the reuse-schema-3.8 subbranch. (check-in: 436d0a58 user: drh tags: reuse-schema-3.38) | |
| 13:00 | Merge version 3.38.3 fixes onto the begin-concurrent-wal2-3.38 branch. (check-in: 5590f0a4 user: drh tags: begin-concurrent-wal2-3.38) | |
| 12:03 | Version 3.38.3 (check-in: 9547e2c3 user: drh tags: release, version-3.38.3, branch-3.38) | |
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2022-04-26
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| 20:58 | Modify utility function sqlite3SetString() so that it may be used safely on Parse.zErrMsg. Fuzzer test case "crash-1604e5d76c92574e21e437049dab9b672e06b767.txt". (check-in: b9c7d2c1 user: drh tags: branch-3.38) | |
| 19:48 | Cherry-pick various minor fixes from trunk into branch-3.38. (check-in: fece097c user: drh tags: branch-3.38) | |
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2022-04-25
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| 23:00 | Reverse the order of two tests to stop a harmless initialized value warning from MSAN - reported by OSSFuzz. (check-in: fb7e1a07 user: drh tags: branch-3.38) | |
| 21:31 | Fix a problem with using multiple SQLITE_SUBTYPE function as window functions in a single query. (check-in: 9caca6cb user: drh tags: branch-3.38) | |
| 21:22 | Increase the version number to 3.38.3. (check-in: b113afa2 user: drh tags: branch-3.38) | |
| 21:21 | Fix a problem with automatic indexes introduced by check-in [664b461bb5063d980] and reported by forum post 0d3200f4f3bcd3a3. (check-in: 4fbb9ffe user: drh tags: branch-3.38) | |
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2022-04-04
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| 15:26 | Fix two minor problems in the JSON functions associated with JSON Paths for object labels that require quoting. (check-in: 4a1553b5 user: drh tags: branch-3.38) | |
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2022-03-30
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| 11:12 | Incorporate fix noted as absent by forum post https://sqlite.org/forum/forumpost/aefd62fcc7ebd8b6 (check-in: 336851b1 user: larrybr tags: branch-3.38) | |
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2022-03-26
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| 17:39 | Merge the version 3.38.2 patches with the begin-concurrent-pnu-wal2 branch to create this new sub-branch. (check-in: 73a15377 user: drh tags: begin-concurrent-wal2-3.38) | |
| 14:14 | Merge the version 3.38.2 patches into the reuse-schema-3.38 sub-branch. (check-in: 07fc5c6e user: drh tags: reuse-schema-3.38) | |
| 13:51 | Version 3.38.2 (check-in: d33c709c user: drh tags: release, branch-3.38, version-3.38.2) | |
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2022-03-25
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| 19:16 | The "PRAGMA writable_schema=ON" flag should not allow OOM errors to pass while parsing the schema. dbsqlfuzz 9cc49e1a53e1cef8e3a1496a88c683aa20483163. (check-in: 4977d8f4 user: drh tags: branch-3.38) | |
| 17:43 | Do not allow an #ifdef inside of an assert(), as gcc tells us that is not portable. (check-in: b193156c user: drh tags: branch-3.38) | |
| 01:37 | Bump the version number to 3.38.2. (check-in: bb3ef206 user: drh tags: branch-3.38) | |
| 01:31 | Fix the Bloom-filter optimization so that it does not use IS NULL or IS NOT NULL constraints from the WHERE clause when operating on a LEFT JOIN. Forum thread 031e262a89b6a9d2. (check-in: 8246bfbc user: drh tags: branch-3.38) | |
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2022-03-22
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| 23:47 | Ensure that database corruption does not cause the cursor passed into sqlite3BtreeDelete() to be invalid. dbsqlfuzz 209bf3de9ee11ae440848ab9bc9c13858f9be2e4. (check-in: 780d00d4 user: drh tags: branch-3.38) | |
| 20:02 | Harden the xShmLock method of both the unix and Windows VFSes so that they are robust against being invoked when the SHM file is not open. (check-in: 06d4c4d1 user: drh tags: branch-3.38) | |
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2022-03-21
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| 18:23 | Strengthen the defenses against corrupt databases in the sqlite3BtreeInsert() function of the btree module. Forum post c7ec29905f. (check-in: 883fec9c user: drh tags: branch-3.38) | |
| 16:34 | The previous assert() fix was not correct when building with -DSQLITE_ENABLE_OFFSET_SQL_FUNC. This is the fix. (check-in: b4210bc0 user: drh tags: branch-3.38) | |
| 13:55 | Fix the assert() that attempts to verify that the table-reference to index-reference translator finds all required translations. Forum post 929168fdd6. (check-in: ccd2a2a7 user: drh tags: branch-3.38) | |
| 11:50 | Fix an assert() in sqlite3TableAffinity() that might have been false if there was a prior syntax error in the query. (check-in: 940f1a40 user: drh tags: branch-3.38) | |
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2022-03-19
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| 12:53 | Fix the zipfile extension so that it knows that a zero-length BLOB returns a NULL pointer. Forum post ae86934905. (check-in: b75c6bad user: drh tags: branch-3.38) | |
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2022-03-17
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| 11:37 | Another fix for a corner-case in sqlite_offset() - this one having to do with computed virtual columns in a WITHOUT ROWID table. Also an assertion fault problem with sqlite_offset(). (check-in: 9e72cae2 user: drh tags: branch-3.38) | |
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2022-03-14
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| 20:39 | Disable trigger coding while running sqlite3_declare_vtab(). dbsqlfuzz 97e1865771b4226f29e6e482411c1cae14133f50 (check-in: 5b8a0460 user: drh tags: branch-3.38) | |
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2022-03-12
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| 15:30 | Merge the version 3.38.1 patches into a sub-branch of reuse-schema. (check-in: 934276d1 user: drh tags: reuse-schema-3.38) | |
| 13:37 | Version 3.38.1 (check-in: 38c210fd user: drh tags: release, version-3.38.1, branch-3.38) | |
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2022-03-11
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| 12:40 | Fix a case in fts5 where a corrupt database could cause a crash. (check-in: 1894577c user: drh tags: branch-3.38) | |
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2022-03-10
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| 21:14 | Stronger defenses against corrupt schemas in the ALTER TABLE logic. (check-in: 29744e69 user: drh tags: branch-3.38) | |
| 19:53 | Doc improvements re sqlite3_column_text*() endianness (no code change) (check-in: a37c20d4 user: larrybr tags: branch-3.38) | |
| 16:28 | Prevent a NULL-pointer dereference when trying to parse a illegal schema entry that contains a window function while doing a RENAME COLUMN. Forum post ec2a2e0deb. (check-in: 2c393228 user: drh tags: branch-3.38) | |
| 01:15 | Check-in [642a0b4752743216] fixing sqlite_dbpage is not exactly correct. This patch should fix it. (check-in: b6c4c8a0 user: drh tags: branch-3.38) | |
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2022-03-09
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| 18:30 | Further refinements to the sqlite_offset() fix from [6029514b08b88e3f]. (check-in: 98799d7b user: drh tags: branch-3.38) | |
| 14:29 | Fix the sqlite_dbpage virtual table so that it starts a write transaction on all attached schemas. (check-in: e92c4fdb user: drh tags: branch-3.38) | |
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2022-03-08
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| 16:12 | Fix a potentially uninitialized local variable in the ".import" command of the CLI - introduced by [741651fd4b1b776b]. This same change is part of the nearby "Fix compiler warnings" check-in. (check-in: ce9e3d90 user: drh tags: branch-3.38) | |
| 03:10 | Add a .md summarizing CLI changes on this branch and their motivation or purpose. (check-in: 5ddccc2f user: larrybr tags: shell-tweaks) | |
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2022-03-07
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| 18:42 | Add multi-threaded test for the features on this branch. Fix a misuse of xShmLock(). (check-in: 1ec05168 user: dan tags: begin-concurrent-pnu-wal2) | |
| 18:38 | Disable an assert in moveToRoot() when the database is corrupt. Forum post e9a176b7bd. (check-in: ab744a5d user: drh tags: branch-3.38) | |
| 16:40 | Do not allocate new Trigger objects in the parser following a syntax error, to avoid violating invariants associated with Expr nodes. See forum thread 2024e94071ef1531 for more information. (check-in: 369d2404 user: drh tags: branch-3.38) | |
| 16:22 | Do not allocate new Trigger objects in the parser following a syntax error, to avoid violating invariants associated with Expr nodes. See forum thread 2024e94071ef1531 for more information. (check-in: 5e0ed49b user: drh tags: trunk) | |
| 14:59 | Fix the code generated for vector IN operator constraints on virtual tables so that they work even if the "omit" field in the sqlite3_index_info object is off. This has apparently never worked correctly before. Presumably, nobody has ever before written a virtual table that can use vector IN operator constraints and that relies on bytecode to double-check the constraints. Test cases in TH3. Problem discovered by dbsqlfuzz cab8e26194a40147627094f3c6849c0a7b1e0310. (check-in: 4a2040d5 user: drh tags: branch-3.38) | |
| 14:51 | Fix the code generated for vector IN operator constraints on virtual tables so that they work even if the "omit" field in the sqlite3_index_info object is off. This has apparently never worked correctly before. Presumably, nobody has ever before written a virtual table that can use vector IN operator constraints and that relies on bytecode to double-check the constraints. Test cases in TH3. Problem discovered by dbsqlfuzz cab8e26194a40147627094f3c6849c0a7b1e0310. (check-in: 21b65657 user: drh tags: trunk) | |
| 01:29 | Optimizations to sqlite3BtreeIndexMoveto() avoid unnecessary comparisons if the cursor is already near the end of the table and is not moving far. This case is more common that you would expect. The optimization saves almost 4 million CPU cycles. (check-in: 0057bbb5 user: drh tags: trunk) | |
| 01:28 | Fix the .import problem in the CLI reported by forum post 72a024c957. (check-in: d753285b user: drh tags: branch-3.38) | |
| 00:14 | Disentangle variable use in last checkin (check-in: 4c3a0260 user: larrybr tags: trunk) | |
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2022-03-06
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| 23:41 | For CLI .import, revert to importing into temp or main when given table is found there and no -schema option used. And plug an obscure leak. (check-in: bf9d1278 user: larrybr tags: trunk) | |
| 20:22 | Fix obsolete but harmless comments in btree. No changes to code. (check-in: 4838b888 user: drh tags: trunk) | |
| 17:53 | (WIP) Shell meta-command objectification done, ready for dbShell to be loaded and used for extension meta-commands (check-in: a88983ec user: larrybr tags: cli_extension) | |
| 11:44 | The sqlite_offset() function should be non-deterministic. dbsqlfuzz 3df8230bb940870db87ffca2c0fc759c1e7fa356. (check-in: 80837576 user: drh tags: branch-3.38) | |
| 11:43 | The sqlite_offset() function should be non-deterministic. dbsqlfuzz 3df8230bb940870db87ffca2c0fc759c1e7fa356. (check-in: e1a185e6 user: drh tags: trunk) | |
| 03:22 | (WIP) shell extension load and ShellState internal/external partitioning in place, passing shell tests with trivial exceptions (check-in: a85679d3 user: larrybr tags: cli_extension) | |
| 00:01 | Remove a NEVER() associated with sqlite_offset()> (check-in: bf2501e2 user: drh tags: branch-3.38) | |
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2022-03-05
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| 23:52 | Remove a NEVER() associated with sqlite_offset()> (check-in: e29dffcd user: drh tags: trunk) | |
| 20:20 | Fix the 'localtime' modifier in date/time functions so that it preserves fractional seconds. Forum post 2ffbaa2c3fd7fb82. (check-in: 6833f4ae user: drh tags: branch-3.38) | |
| 20:12 | Fix the 'localtime' modifier in date/time functions so that it preserves fractional seconds. Forum post 2ffbaa2c3fd7fb82. (check-in: 1c875b07 user: drh tags: trunk) | |
| 19:46 | Increase the version number to 3.38.1. (check-in: cd87e77d user: drh tags: branch-3.38) | |
| 19:39 | Cherry-pick all bug fix changes since the 3.38.0 release. (check-in: 45a5d5ac user: drh tags: branch-3.38) | |
| 19:36 | Further improvements to the sqlite_offset() function. (check-in: 4230e2f5 user: drh tags: trunk) | |
| 14:44 | Fix the sqlite_offset() function so that it gives the correct answer even if the argument is a virtual column in an index-only query. Test cases in TH3. (check-in: 6029514b user: drh tags: trunk) | |
| 11:57 | Update obsolete text in the ICU README.txt file talking about SQLite's robustness (or lack thereof) in the face of corrupt database files. (check-in: dc88fc62 user: drh tags: trunk) | |
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2022-03-04
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| 20:54 | Do try to evaluate the Bloom filter on a LEFT JOIN early, as doing so essentially converts it into an INNER JOIN. See forum thread 544af7eee2. (check-in: d46d0e67 user: drh tags: trunk) | |
| 16:28 | When setting an sqlite3_value object to a pointer value, make sure any prior memory allocations associated with that object have been cleared first. dbsqlfuzz 33f842d1a09afaad5f078c3e1162a54b78e5f2ab. (check-in: 31e1bde4 user: drh tags: trunk) | |
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2022-03-03
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| 19:40 | Restore the ability to push-down OR subterms of the WHERE clause when processing a multi-index OR. (check-in: d71fb6fd user: drh tags: trunk) | |
| 16:48 | Make sure the xParseCell and xCellSize methods of the MemPage object are initialized consistently even if the page is detected as being corrupt. dbsqlfuzz fd21f341f3b4f582401d2feb2a1c0c4cc2c26caa. (check-in: 725a0643 user: drh tags: trunk) | |
| 15:59 | Fix for the problem identified in forum post 0cd8e058bf: When evaluating an multi-index OR, do not push down auxiliary WHERE clause terms that involve subqueries into the OR-subqueries. Otherwise, the covering-index optimizer might convert table-references into index-references for the particular OR index that is active for the branch in which the subquery subroutine is coded, and those index-references will not work if the subquery subroutine is invoked from a different OR branch that uses a different index. (check-in: 61a1c6db user: drh tags: trunk) | |
| 15:00 | Add the new OP_BeginSubrtn opcode (which is really an alias for OP_Integer) and make other changes so that the span of a subroutine that implements a subquery is more readily apparent in bytecode listings. (check-in: b8226748 user: drh tags: trunk) | |
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2022-03-02
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| 21:04 | Bloom filter pull-down optimization is incompatible with Skip-Scan. Make sure the query planner does not try to to both. Forum post 50a1bbe08ce4c29c. (check-in: ad3ffa1a user: drh tags: trunk) | |
| 17:50 | Faster version of sqlite3VdbeMemRelease(). (check-in: 86c5fa2f user: drh tags: trunk) | |
| 13:45 | Reinstate the releaseMemArray() performance optimization of [bb520293d8c11518] with corrections. (check-in: 1291080d user: drh tags: trunk) | |
| 11:39 | The optimization at [ece326db50201937] is not quite right, so back it out for now. (check-in: b218a4b9 user: drh tags: trunk) | |
| 01:02 | Fix a harmless compiler warning. (check-in: 6497997a user: drh tags: trunk) | |
| 00:50 | The performance optimizations at [bb520293d8c11518] is not quite right, so it has to be backed out. (check-in: 15f73b12 user: drh tags: trunk) | |
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2022-03-01
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| 20:15 | The MemPage.aDataEnd field should point to the end of the data buffer for the page, not just the end of the usable portion of that buffer. The purpose aDataEnd is to detect cells that overflow the page, and that won't work on a page with reserved bytes and a cell that starts in the reserved region, unless the boundary is at the very end of the page. Chromium issue 1276294. (check-in: f839c0bc user: drh tags: trunk) | |
| 19:19 | Fix a minor typo in a comment. (check-in: 86ba06aa user: drh tags: trunk) | |
| 16:22 | Fix two assert() statements in btree.c which were not true in the case of a corrupt database file. Forum post 14819f2063. (check-in: 3b36ed79 user: drh tags: trunk) | |
| 15:48 | Fix slightly-incorrect assert() statements. Forum post f1e83b77b5ff37db (check-in: 3c9f5c9d user: drh tags: trunk) | |
| 14:13 | Increase the max_page_count on ROLLBACK, if necessary, so that it is sufficient to cover the entire database. Fix for the problem identified by forum post 3b9e894312. (check-in: 12c01216 user: drh tags: trunk) | |
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2022-02-28
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| 16:44 | Fix the Xfer-optimization on the INSERT statement so that it is omitted if there is a RETURNING clause, since that optimization is not able to deal with RETURNING. See forum thread 595e132f71 for details. (check-in: 1d3760a5 user: drh tags: trunk) | |
| 14:26 | Reorganize the bits in Mem.flags. Free up one bit for reuse. (check-in: fe454291 user: drh tags: trunk) | |
| 13:38 | Expand the comment on the definition of the Mem object to better explain the meanings of the various flag bits. (check-in: f2f04260 user: drh tags: trunk) | |
| 12:16 | Performance optimization in initMemArray() saves about 750K cycles with only a 4-byte increase in code size. (check-in: c3e9cd5e user: drh tags: trunk) | |
| 12:08 | The performance increase in the previous check-in of this branch was due to the revised loop in initMemArray() and reordering fields of Mem - not the call the memcpy(). Changing the code to avoid memcpy() results in an even better gain, and code that is far less dodgy. (Closed-Leaf check-in: d74aa979 user: drh tags: optimize-init-mem) | |
| 03:25 | An optimization to initMemArray() saves almost 500K cycles. But it seems a little dodgy. I want to think about this more before merging to trunk. Perhaps there is a cleaner way to accomplish the same. (check-in: 7fefd867 user: drh tags: optimize-init-mem) | |
| 02:35 | Avoid unnecessary deinitialization of the Mem.flags field. (check-in: bb520293 user: drh tags: trunk) | |
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2022-02-27
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| 21:10 | Cache values of UnpackedRecord.aMem[0] into new fields of UnpackedRecord. This avoids extra indirections and saves about 750K cycles. (check-in: 7cf2d1f0 user: drh tags: trunk) | |
| 18:54 | Bypass a single branch in vdbeRecordCompareString() in the common case, for a performance increase of over 600K CPU cycles. (check-in: 36f0f07e user: drh tags: trunk) | |
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2022-02-26
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| 23:01 | Remove an unnecessary local variable for a small performance increase and size reduction. (check-in: 9bda611f user: drh tags: trunk) | |
| 14:39 | Allow the OP_Column opcode to read rows that are larger than SQLITE_LIMIT_LENGTH as long as the specific field being read out is less than or equal to SQLITE_LIMIT_LENGTH. (check-in: 1bf48489 user: drh tags: trunk) | |
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2022-02-25
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| 20:11 | Revise the initialization processing for OP_Column to make it about 1.8 million cycles faster. (check-in: 3b7259eb user: drh tags: trunk) | |
| 18:51 | Fix the OP_NullRow documentation so that it accurately describes what it actually does for a pseudo-cursor. (check-in: 4e269902 user: drh tags: trunk) | |
| 18:15 | Dead branch: Superseded by [3b7259ebd5b9b1f7] (Closed-Leaf check-in: 09a47f32 user: drh tags: simplify-cursor-state) | |
| 16:21 | Do not do a deferred seek on a cursor that is marked nullRow. (check-in: 1c026bcb user: drh tags: simplify-cursor-state) | |
| 15:44 | This branch proposes to consolidate various state fields of VdbeCursor (specifically, nullRow, deferredMoveto, and cacheStatus) into a single eCurState field. This first check-in adds the new eCurState field while retaining and continuing to use the legacy state fields. (check-in: 7953716c user: drh tags: simplify-cursor-state) | |
| 13:29 | Improved comment on the codeDeferredSeek() routine. No code changes. (check-in: 54f49f65 user: drh tags: trunk) | |
| 11:30 | Fix unimportant typos in comment text. (check-in: 39346013 user: drh tags: trunk) | |
| 01:23 | Invoking SQLITE_TESTCTRL_INTERNAL_FUNCTIONS causes the flags field of the PRAGMA function_list to show all bits, including internal-use-only bits, rather than just the bits that are part of the API. (check-in: ad1be348 user: drh tags: trunk) | |
| 01:10 | Remove unused P4 types on the Opcode object. Saves a few bytes of code space and simplifies the code. (check-in: aca53843 user: drh tags: trunk) | |
| 00:09 | Merge shell-tweaks enhancements (with 3.38) (check-in: 4c7d94d3 user: larrybr tags: cli_extension) | |
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2022-02-24
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| 14:44 | Change the OP_Next and OP_Prev opcodes so that they invoke sqlite3BtreeNext() and sqlite3BtreePrevious() directly rather than through a function pointer, for improved performance and a decrease in code size. (check-in: 9d13cbbe user: drh tags: trunk) | |
| 11:09 | Spell fix, no code change (check-in: f2597fae user: larrybr tags: trunk) | |
| 04:29 | Regularize CLI .mode processing (check-in: 6d055724 user: larrybr tags: cli_extension) | |
| 01:41 | Fix an assert() so that it is still valid following OOM with the latest enhancements. (check-in: ecf832f7 user: drh tags: trunk) | |
| 01:08 | Update the version number of version 3.39.0 for the next development cycle. (check-in: 9542e9be user: drh tags: trunk) | |
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2022-02-23
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| 22:56 | Add a new subclass for MemPage.xCellSize specifically for the case of a leaf page in a B+Tree, that is optimized for that cases. This gains a half million cycles or more at the cost of less than 200 bytes of code space. (check-in: 7ad82922 user: drh tags: trunk) | |
| 18:23 | Optimize calls to get2byte() in btree.c for almost a one-million cycle performance gain and a few bytes less code. (check-in: 41061f29 user: drh tags: trunk) | |
| 17:16 | Defer the check for error check Pgno zero until after the page fetch misses, to gain a few CPU cycles and a small size reduction. (check-in: ece326db user: drh tags: trunk) | |
| 17:00 | Store the page number for the PENDING_BYTE page in the Pager object, rather than computing the page number every time it is needed, because it turns out that number is needed quite frequently. This saves a few hundred thousand CPU cycles and a few bytes of code space. (check-in: 5aa9c3eb user: drh tags: trunk) | |
| 10:10 | Sync with 3.38 (check-in: b9b27d74 user: larrybr tags: cli_extension) | |
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2022-02-22
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| 22:28 | Sync w/3.38, add .parameter ls to CLI (check-in: 8c9a5fb2 user: larrybr tags: shell-tweaks) | |
| 20:38 | Don't reload the schema on PRAGMA database_list. (check-in: 630fe446 user: drh tags: reuse-schema) | |
| 20:29 | For the "PRAGMA database_list" statement, do not check to see if the schema is up-to-date and do not try to reload the schema. (check-in: 710de6a2 user: drh tags: trunk) | |
| 20:04 | Merge version 3.38.0 into the reuse-schema branch. (check-in: 8fe85dcd user: drh tags: reuse-schema) | |
| 19:56 | Merge version 3.38.0 into the begin-concurrent-pnu-wal2 branch. (check-in: 8387e4f3 user: drh tags: begin-concurrent-pnu-wal2) | |
| 19:46 | Merge version 3.38.0 into the wal2 branch. (check-in: de24c8ee user: drh tags: wal2) | |
| 19:37 | Merge version 3.38.0 into the begin-concurrent-report branch. (check-in: 0bbf7be2 user: drh tags: begin-concurrent-report) | |
| 19:30 | Merge version 3.38.0 into the begin-concurrent branch. (check-in: c5998c43 user: drh tags: begin-concurrent) | |
| 18:58 | Version 3.38.0 (check-in: 40fa792d user: drh tags: trunk, release, major-release, version-3.38.0) | |
| 15:47 | Fix an undersized memory allocation in the test harness for RTREE. This error was in test logic only, not in the SQLite library itself. forum post 35470a0a72a005e1 (check-in: 7e3c9594 user: drh tags: trunk) | |
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2022-02-21
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| 16:49 | Merge the latest trunk changes into the reuse-schema branch. (check-in: b3c26f4a user: drh tags: reuse-schema) | |
| 14:30 | Fix compiler warnings for older compilers (ex: gcc 4.0.1 powerpc-apple-darwin). (check-in: 5c188243 user: drh tags: trunk) | |
| 13:44 | Remove stray tab characters from auxiliary source code files. (check-in: e25e3358 user: drh tags: trunk) | |
| 13:02 | Add SQLITE_OMIT_JSON to the compile-time option test sequence. (check-in: f36325a6 user: drh tags: trunk) | |
| 00:23 | Do not allow error messages from sqlite3NestedParse() to leak up into the main parse. (check-in: 9c4e21ab user: drh tags: trunk) | |
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2022-02-19
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| 21:25 | Improve .backup and .save help text (check-in: 741651fd user: larrybr tags: trunk) | |
| 15:57 | Add a NEVER() to a branch that is unreachable for STAT4. (check-in: e4e97505 user: drh tags: trunk) | |
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2022-02-17
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| 17:24 | Enhance the documentation on sqlite3_stmt_readonly() to explain that EXPLAIN and EXPLAIN QUERY PLAN do not affect the return value. Add test cases to verify this. Add new test cases and requirements marks for complete requirements test coverage on this interface. (check-in: a6fbb7ba user: drh tags: trunk) | |
| 14:33 | Remove references to the now-defunct SQLITE_ENABLE_JSON1 compile-time option. (check-in: db950192 user: drh tags: trunk) | |
| 14:29 | Fix a testing error on Windows that was recently added to shell5.test. (check-in: 6cace543 user: drh tags: trunk) | |
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2022-02-16
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| 15:11 | Make the sqlite3_error_offset() interface accessible from TCL using the new "erroroffset" method on the sqlite3 object. (check-in: 3454a122 user: drh tags: trunk) | |
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2022-02-15
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| 20:56 | Merge the latest trunk enhancements into the reuse-schema branch. (check-in: b9ba43fc user: drh tags: reuse-schema) | |
| 20:47 | Merge the latest trunk enhancements into the begin-concurrent-pnu-wal2 branch. (check-in: 1336d2f2 user: drh tags: begin-concurrent-pnu-wal2) | |
| 20:37 | Merge recent trunk enhancements into the wal2 branch. (check-in: 7dba8188 user: drh tags: wal2) | |
| 20:24 | Merge recent trunk enhancements into the begin-concurrent-report branch. (check-in: 213df7a0 user: drh tags: begin-concurrent-report) | |
| 20:18 | Merge the latest trunk changes into the begin-concurrent branch. (check-in: 94838f16 user: drh tags: begin-concurrent) | |
| 17:04 | Sync with trunk (check-in: 2b4a295c user: larrybr tags: shell-tweaks) | |
| 13:23 | Improved rendering of floating point numbers without a fractional part in ".dump" output from the CLI. Forum post 550d877659f37cb2. (check-in: 9edaeed5 user: drh tags: trunk) | |
| 11:46 | New assert() statements to help prove correctness of memjournal.c. (check-in: d74ec88c user: drh tags: trunk) | |
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2022-02-14
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| 21:11 | Generalize the in-memory journal so that it is able to accept writes that begin at any offset less than or equal to the current file size. (check-in: c039d547 user: drh tags: trunk) | |
| 18:55 | CLI .import can auto-rename non-unique column names when it creates a new table (check-in: 4b5d07ea user: larrybr tags: trunk) | |
| 18:18 | Minor correction to the early corruption detection added by [a6fda39e81d0da98|check-in a6fda39e81d0da98] so that it works even if the page being cleared in page 1 of the database. (check-in: a5ec1690 user: drh tags: trunk) | |
| 13:53 | Fix a bad assert() (it needs an "||CORRUPT_DB" term) in b-tree, discovered by dbsqlfuzz. (check-in: f5f263cc user: drh tags: trunk) | |
| 01:12 | CLI's .import column rename made more minimal, and reports renames. (Leaf check-in: c626cff7 user: larrybr tags: auto-column) | |
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2022-02-13
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| 22:18 | Sync w/trunk, fix zAutoColumns placement blunder, all to pass all TCL tests (check-in: 67dc59f4 user: larrybr tags: auto-column) | |
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2022-02-12
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| 18:56 | Do not run merge1.test with SQLITE_OMIT_VIRTUALTABLE builds. (check-in: bf8dbfd4 user: dan tags: trunk) | |
| 16:02 | Fix a possible user-after-free in ALTER TABLE found by asan. (check-in: 9252619d user: dan tags: trunk) | |
| 13:45 | Update fuzz.test to account for a change in error message made in the core. (check-in: c57601b5 user: dan tags: trunk) | |
| 13:37 | Avoid dropping SQLITE_TOOBIG errors in the quote() function. (check-in: 115c3051 user: dan tags: trunk) | |
| 13:12 | For .import auto-column, aid build-time override of rename decoration. (check-in: 433e5ead user: larrybr tags: auto-column) | |
| 10:48 | Fix auto-column bug noted by post https://sqlite.org/forum/forumpost/d102c15d63 (check-in: 689137e1 user: larrybr tags: auto-column) | |
| 02:15 | Sync w/trunk, allow build-time override of auto-column decorating character (check-in: caaef4c5 user: larrybr tags: auto-column) | |
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2022-02-11
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| 21:20 | Fix a test in without_rowid1.test so that it is disabled without ALTER TABLE support, as it uses ALTER TABLE. (check-in: ca22a64e user: drh tags: trunk) | |
| 19:41 | Update some OOM tests of the ALTER TABLE command to account for an error message which may be returned if opening the temp db fails. (check-in: 3409fd41 user: dan tags: trunk) | |
| 17:47 | Load recent dbsqlfuzz finds into test/fuzzdata8.db. (check-in: b275ad25 user: drh tags: trunk) | |
| 17:47 | Reference the wayback machine for the dead hyperlink to the MS support page in the comments about why the extra typedef for va_arg(). No code changes. (check-in: ab1a9b5b user: drh tags: trunk) | |
| 17:33 | Fix an assert() in the pager by adding "|| CORRUPT_DB", in as much as the assert() is not necessarily true if the database size in the header is wrong. dbsqlfuzz f2f996065b90988aa9b0ae425b66dbb296546a08. (check-in: a51402e8 user: drh tags: trunk) | |
| 16:10 | Fix a problem in [c006515ae6faff65] causing an assert() to fail with some build configurations. (check-in: d7ff262d user: dan tags: trunk) | |
| 14:08 | Use the enhanced SQLITE_TESTCTRL_LOCALTIME_FAULT (2) capability to do better testing of the 'localtime' and 'utc' modifiers to date/time functions. (check-in: f3807194 user: drh tags: trunk) | |
| 13:40 | Upon .import column renaming, issue message saying so. Test this. (check-in: 8b6ca930 user: larrybr tags: auto-column) | |
| 12:06 | Fix the bind2.test test script so that it works even if SQLITE_ENABLE_PREUPDATE_HOOK is not defined. Fix for test-case breakage from check-in [c006515ae6faff65]. (check-in: 937d3a45 user: drh tags: trunk) | |
| 11:37 | Work around the MSVC bug that prevents the use of function pointer types in the second argument of va_arg() by adding a typedef. (check-in: eae3ab0a user: drh tags: trunk) | |
| 01:21 | CLI auto-column rename revamped after forum discussion. (check-in: 2da1f8e4 user: larrybr tags: auto-column) | |
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2022-02-10
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| 23:12 | Fix SQLITE_TESTCTRL_LOCALTIME_FAULT so that it works even if mutexes are enabled. (check-in: 64537a06 user: drh tags: trunk) | |
| 21:26 | Enhance SQLITE_TESTCTRL_LOCALTIME_FAULT so that is able to install an alternative localtime() interface so that the localtime logic an be better tested. (check-in: 6e25cb08 user: drh tags: trunk) | |
| 15:40 | Performance improve to the 'localtime' and 'utc' modifiers for date/time functions. (check-in: 85cb6014 user: drh tags: trunk) | |