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100 most recent check-ins

2021-12-05
00:45
Try to run all Bloom filters before any Seeks. This gives a small performance gain on the Star-Schema Benchmark. (Leaf check-in: 5be2470f user: drh tags: bloom-filter)
2021-12-04
21:11
Miscellaneous cleanup of the new Bloom-filter code. (check-in: 201b6dd8 user: drh tags: bloom-filter)
18:45
Add VdbeCoverage() macros. Adjust the Bloom-filter hash function so that it correctly deals with zero-blobs. (check-in: 629ee2e3 user: drh tags: bloom-filter)
18:40
Add design doc for shell extensibility (Leaf check-in: 96b8ffb0 user: larrybr tags: cli_extension)
14:24
Apply the Bloom filter only on those terms of an index that have equality constraints. (check-in: a7042959 user: drh tags: bloom-filter)
13:52
Add the "WITH BLOOM FILTER" clause to the EXPLAIN QUERY PLAN output for cases were a Bloom filter is used. (check-in: 8e078c0e user: drh tags: bloom-filter)
13:43
First attempt to use Bloom filters to optimize star-schema queries. (check-in: 28161fba user: drh tags: bloom-filter)
2021-12-03
19:27
Extension interface tweaks in support of planned usage (check-in: ce2a9143 user: larrybr tags: cli_extension)
19:10
Merge the sqlite3WhereBegin() simplification from trunk. (check-in: 41ba2dfd user: drh tags: bloom-filter)
18:53
Factor the noop-join-elimination optimization out of the sqlite3WhereBegin() routine and into a separate "no-inline" subroutine, in order to reduce the complexity of sqlite3WhereBegin() and thereby encourage C compilers to inline sqlite3WhereCodeOneLoopStart(). (Leaf check-in: 6225e9ab user: drh tags: trunk)
16:02
Merge recent trunk enhancements into the bloom-filter branch. (check-in: 11d97fb8 user: drh tags: bloom-filter)
15:48
Fix exprAnalyze() after recent performance enhancements so that it is able to handle IF_NULL_ROW opcode correctly, again. (check-in: 8029e6ba user: drh tags: trunk)
14:57
Fix unreachable branches resulting from prior optimizations. (check-in: f3d6853e user: drh tags: trunk)
14:43
Fix an over-length source code line in build.c. No logic changes. (check-in: b9db5c5f user: drh tags: trunk)
13:42
Performance optimization in the B-Tree cursor allocator btreeCursor(), making it about 800K CPU cycles faster in speedtest1, and reducing the executable size by about 100 bytes. (check-in: 9df93971 user: drh tags: trunk)
2021-12-02
20:30
Make shell buildable, fix a potential leak-to-be (check-in: eab1e1af user: larrybr tags: cli_extension)
18:15
Optimizations to exprAnalyze() and sqlite3WhereExprUsage() save about 1.5 million CPU cycles for speedtest1, and result in a smaller binary. (check-in: 1f2252e6 user: drh tags: trunk)
18:09
Merge for CLI fix. (check-in: 98cf1861 user: larrybr tags: cli_extension)
14:28
Move the TK_IS token so that it is adjacent to the TK_IN token, as this allows the C compiler to optimize better, resulting in a slightly smaller and faster executable. (check-in: 8832fa90 user: drh tags: trunk)
14:16
In the shell tool, avoid modifying internal data structures until after the arguments to ".open" have been parsed. (check-in: fcc509d3 user: dan tags: trunk)
13:45
Remove an unnecessary branch from exprAnalyze(), resulting in a small performance gain. (check-in: 3312be1d user: drh tags: trunk)
12:55
Small performance optimization in sqlite3WhereClauseClear(). (check-in: 080b35e6 user: drh tags: trunk)
12:34
More small performance optimizations for sqlite3WhereGetMask(). (check-in: 3de2c557 user: drh tags: trunk)
04:00
Small performance optimization in sqlite3WhereGetMask(). (check-in: 7edec54a user: drh tags: trunk)
02:22
Small performance enhancement for whereScanInit(). (check-in: ed84e124 user: drh tags: trunk)
01:30
Performance improvement in query planning. (check-in: ca59533b user: drh tags: trunk)
2021-12-01
21:07
Merge trunk fixes into the bloom-filter branch. (check-in: 0864bfbf user: drh tags: bloom-filter)
19:17
Check for foreign key constraint errors prior to returning the results from a RETURNING clause. See forum post 793beaf322. (check-in: a818ba2e user: drh tags: trunk)
17:46
Extensible shell builder changes in prep for actual extension load (check-in: 00c5af1f user: larrybr tags: cli_extension)
16:31
Add a Bloom filter to the automatic-index mechanism. (check-in: 50ac4de1 user: drh tags: bloom-filter)
11:03
Add the "static" qualifier to some internal functions in code for various SQLite extensions. (check-in: 8c986782 user: dan tags: trunk)
2021-11-30
23:00
Merge in 3.37 release (check-in: 15780cb2 user: larrybr tags: cli_extension)
22:57
Port recent improvements to extensible shell (check-in: bfa94f3d user: larrybr tags: cli_extension)
14:07
In the automatic index generator logic, be more precise about when a partial automatic index is allowed in order to capture more cases where it is legal to use a partial automatic index. (check-in: 664b461b user: drh tags: trunk)
2021-11-29
18:09
Merge in the proposed date/time function enhancements: (1) Add the unixepoch() function, (2) the 'auto' modifier and (3) the 'julianday' modifier. (check-in: 19c51b46 user: drh tags: trunk)
17:55
Bump the version number up to 3.38.0 in order to begin the next development cycle. (check-in: 8ad1fcaa user: drh tags: trunk)
17:23
Add the unixepoch() function and the 'auto' and 'julianday' modifiers. (Closed-Leaf check-in: 559fdc0a user: drh tags: unixepoch)
2021-11-28
19:54
Following a prior error, an ALWAYS() in sqlite3ExprCanBeNull() might be false. dbsqlfuzz 5dbec6678a20e7595a34dfdd869a3b9722b3ca43. (check-in: 4e207401 user: drh tags: trunk)
2021-11-27
15:12
Merge version 3.37.0 into the reuse-schema branch. (Leaf check-in: f83d50d5 user: drh tags: reuse-schema)
15:11
Merge version 3.37.0 into the begin-concurrent-pnu-wal2 branch. (Leaf check-in: 2171996a user: drh tags: begin-concurrent-pnu-wal2)
15:00
Merge version 3.37.0 into the wal2 branch. (Leaf check-in: 3425af62 user: drh tags: wal2)
14:56
Merge version 3.37.0 into the begin-concurrent-report branch. (Leaf check-in: 126d7a1d user: drh tags: begin-concurrent-report)
14:48
Merge version 3.37.0 into the begin-concurrent-pnu branch. (Leaf check-in: 910001f2 user: drh tags: begin-concurrent-pnu)
14:45
Merge version 3.37.0 into the begin-concurrent branch. (Leaf check-in: c5f2ad19 user: drh tags: begin-concurrent)
14:13
Version 3.37.0 (check-in: bd41822c user: drh tags: trunk, release, major-release, version-3.37.0)
12:03
Fix a harmless comment typo. (check-in: 7c567338 user: drh tags: trunk)
2021-11-26
20:26
Add platform "Darwin-arm64" to test/releasetest_data.tcl. (check-in: 1d5c9aac user: drh tags: trunk)
17:10
Improved defenses against integer overflow when computing the size of a memory allocations. No bugs were fixed here. But perhaps future bugs will be prevented. (check-in: eb878c01 user: drh tags: trunk)
15:08
Fixes to internal comments. No changes to code or documentation. (check-in: 1489b196 user: drh tags: trunk)
2021-11-24
21:16
Avoid splitting Failure-Detection test cases in wapptest.tcl. (check-in: 654e6cf8 user: dan tags: trunk)
11:33
Update Makefile.msc to support target "tcltest" in the same way as the autoconf build system. (check-in: 0f131b92 user: dan tags: trunk)
2021-11-23
22:28
Changes a test pattern for RBU so that it works regardless of whether newer TCL versions are used. (check-in: 5a9921c9 user: drh tags: trunk)
12:59
Fix a compiler warning in the dbserialize method of the TCL interface. (check-in: ba71d030 user: drh tags: trunk)
11:34
Exclude two recently added tests in where.test from valgrind runs. They fail due to the subtly different handling of real numbers under valgrind. (check-in: e842d208 user: dan tags: trunk)
2021-11-22
17:08
Merge trunk enhancements into the begin-concurrent-report-wal2 branch. (Leaf check-in: 9b2ffa84 user: drh tags: begin-concurrent-report-wal2)
17:01
Merge trunk enhancements into the begin-concurrent-pnu-wal2 branch. (check-in: 8a9fad0f user: drh tags: begin-concurrent-pnu-wal2)
16:50
Omit wal mode tests in memdb1.test for builds and configurations that do not support wal mode. (check-in: 0f13c0d9 user: dan tags: trunk)
16:48
Omit wal mode tests in vacuum-into.test for builds and configurations that do not support wal mode. (check-in: 65de1763 user: dan tags: trunk)
16:47
Merge trunk enhancements into the wal2 branch. (check-in: 135133b7 user: drh tags: wal2)
16:43
Do not attempt to run the tests in alterfault.est with SQLITE_OMIT_ALTERTABLE builds. (check-in: 6f6f31c7 user: dan tags: trunk)
16:39
Merge the latest trunk enhancements into the begin-concurrent-report branch. (check-in: ddc11f55 user: drh tags: begin-concurrent-report)
16:27
Fix a typo in memdb1.test preventing tests from passing with -DSQLITE_DEFAULT_AUTOVACUUM=1 builds. (check-in: eff4187c user: dan tags: trunk)
16:27
Merge the latest trunk enhancements into the begin-concurrent-pnu branch. (check-in: aa045e7b user: drh tags: begin-concurrent-pnu)
16:14
Merge the latest trunk changes into the begin-concurrent branch. (check-in: 8f3e6842 user: drh tags: begin-concurrent)
16:06
There are two possible error messages from stat-9.1, depending on compile-time options. Adjust the test case to accept either one. (check-in: 0f567b61 user: drh tags: trunk)
16:05
Merge recent trunk enhancements into the reuse-schema branch. (check-in: d08832cb user: drh tags: reuse-schema)
13:59
In fuzzcheck, improve the defense against long delays due to rogue busy_timeout macros in fuzzer-generated scripts. (check-in: 3024d7ca user: drh tags: trunk)
13:35
Fix the build for SQLITE_OMIT_CTE. (check-in: d7ef96ba user: drh tags: trunk)
12:59
In the previous check-in, do not overwrite the SQLITE_CORRUPT signal with an SQLITE_OK before exiting fts3auxNextMethod(). (check-in: 396688ae user: drh tags: trunk)
08:12
Fix a crash in the fts3aux code that could occur handling corrupt records. (check-in: cdcd65b8 user: dan tags: trunk)
2021-11-20
13:30
New test cases for STRICT and NOT NULL in PRIMARY KEY. (check-in: 0eafbc2f user: drh tags: trunk)
2021-11-19
19:11
Small performance increase and size reduction for sqlite3ExprCompare(). This change also handles some corner cases without the need for ALWAYS(). (check-in: d814ba6e user: drh tags: trunk)
14:02
Fix a benign data race in os_unix.c that might trouble tsan and similar tools. (check-in: 95806ac1 user: dan tags: trunk)
2021-11-18
20:56
Minor tweaks to the way auxiliary tools are built, to make it easier to customize the builds without having to alter the code. (check-in: 90b06b6f user: drh tags: trunk)
20:11
Fix a performance regression in rtree introduced by the previous commit. (check-in: 7f42b8e1 user: dan tags: trunk)
19:15
Fix a problem slowing down the handling of == constraints in the rtree module. (check-in: 509027e9 user: dan tags: trunk)
15:40
Improve CSV quoting in the CLI using the strstr() function. (check-in: b7927bf9 user: drh tags: trunk)
13:25
Fix an obscure problem associated with quoting of CSV output in the CLI. (check-in: 38a9b660 user: drh tags: trunk)
2021-11-17
14:21
Apply the begin-concurrent-report patch to the wal2 branch. (check-in: 8eef8782 user: dan tags: begin-concurrent-report-wal2)
2021-11-16
13:36
Fix a problem causing an OOM within an ALTER TABLE ADD COLUMN command that adds a column with a CHECK constraint to go unreported. (check-in: a33f5e93 user: dan tags: trunk)
2021-11-15
19:10
Strengthen the sticky-CORRUPT idea of check-in [3feb0f1c3840904d] by automatically changing the first COMMIT after an SQLITE_CORRUPT error into a ROLLBACK. (check-in: bd66ab8a user: drh tags: trunk)
18:50
Small performance optimization in sqlite3VdbeHalt(). (check-in: 9e1ecf43 user: drh tags: trunk)
14:11
Fix a problem causing the count(*) optimization to be misapplied in some cases where an aggregate sub-query uses a count() expression that is aggregated against the outer query. (check-in: e3091727 user: dan tags: trunk)
13:22
Improved context shown for the "ABORT-due-to-error" output line when using "PRAGMA vdbe_debug=on" in an SQLITE_DEBUG build. (check-in: c7776369 user: drh tags: trunk)
01:45
Fix a faulty JSON assert() added 30 days ago by check-in [7b8ea2298927fd34]. dbsqlfuzz f30366e7b02562398a387ddcc681422fd4251190. (check-in: 0e0c23fc user: drh tags: trunk)
2021-11-12
14:39
Improved handling of OOM while reallocating a column name to add type information. dbsqlfuzz 5a195b4233649e49e0aa34f1b743ca192d85b198 (check-in: 5995dd4d user: drh tags: trunk)
2021-11-11
23:52
Make sure the rowid value returned by the VUpdate opcode is always initialized. (check-in: 150b5be5 user: drh tags: trunk)
16:26
Remove a NEVER() that was add yesterday. The fuzzer found a new test case to make it happen. (check-in: 83e6ac71 user: drh tags: trunk)
11:23
New assert() statements to help prove correct usage of VdbeCursor objects. (check-in: 7cee62f7 user: drh tags: trunk)
2021-11-10
15:23
Load new test cases into test/fuzzdata8.db (check-in: 8b53ffe9 user: drh tags: trunk)
10:59
Make SQLITE_CORRUPT sticky: If a CORRUPT error is returned, all subsequent write statements within the same transaction also fail early with SQLITE_CORRUPT. (check-in: 3feb0f1c user: drh tags: trunk)
2021-11-09
15:36
Merge all recent trunk changes into the begin-concurrent-report branch. (check-in: 122f4a76 user: drh tags: begin-concurrent-report)
15:26
Merge all recent trunk enhancements into the begin-concurrent-pnu branch. (check-in: b9802d0b user: drh tags: begin-concurrent-pnu)
15:18
Merge all recent trunk enhancements into the begin-concurrent-pnu-wal2 branch. (check-in: 07bc1339 user: drh tags: begin-concurrent-pnu-wal2)
15:06
Merge all recent trunk enhancements into the begin-concurrent branch. (check-in: 2d0c8f30 user: drh tags: begin-concurrent)
14:52
Merge the walIndexPage() enhancement from trunk into the begin-concurrent branch. (check-in: ff223839 user: drh tags: begin-concurrent)
14:36
Merge all trunk enhancements prior to the walIndexPage() fix into the begin-concurrent branch. (check-in: 6603f005 user: drh tags: begin-concurrent)
14:00
Merge recent trunk enhancements into the reuse-schema branch. (check-in: 748bce4c user: drh tags: reuse-schema)
13:52
Merge the latest trunk enhancements into the wal2 branch. (check-in: 0894f595 user: drh tags: wal2)
13:31
Change test case error message text to match the current implementation. (check-in: de10795a user: drh tags: trunk)