SQLite

Timeline
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

122 check-ins using file src/vdbeaux.c version 21db442d

2022-01-02
17:00
Move the pTriggerPrg and pCleanup elements of the Parse object up into the section of that object that is persisted across calls to sqlite3NestedParse(). This fixes a memory leak reported in forum post 24bd1fef7e9323ef. (check-in: ee8b2397 user: drh tags: branch-3.37)
2021-12-30
15:30
Version 3.37.1 (check-in: 378629bf user: drh tags: release, version-3.37.1, branch-3.37)
12:26
Disable the atof1.test test module on non-x64 hardware. (check-in: 986a94d0 user: drh tags: branch-3.37)
11:35
Fix windowC tests to specify little-endian or big-endian UTF16, for cross-platform portability. Forum post 559b84a5c6|. And give the correct prefix to tests in the windowC.test module. (check-in: 8af7cb2a user: drh tags: branch-3.37)
11:27
Do not attempt to reprepare a prepared statement that returns SQLITE_SCHEMA if there was an OOM. This enhancement supercedes check-in [fee469925231d074]. (check-in: 103f95db user: drh tags: branch-3.37)
11:13
Change an assert() in FTS3 into assert_fts3_nc(), since it is a harmless condition that can occur when processing a corrupt database file. (check-in: 35e2b27a user: drh tags: branch-3.37)
03:56
Fix a minor issue in the configure script. (check-in: 0413d37e user: drh tags: branch-3.37)
03:22
Following a prior error, an ALWAYS() in sqlite3ExprCanBeNull() might be false. dbsqlfuzz 5dbec6678a20e7595a34dfdd869a3b9722b3ca43. (check-in: b33e4770 user: drh tags: branch-3.37)
03:12
When a table has an INTEGER PRIMARY KEY ON CONFLICT REPLACE and some other uniqueness constraint, and it participates in an upsert on that other constraint, ensure that code that checks for conflicts on the INTEGER PRIMARY KEY is well-formed. Fix for the problem reported by forum post 06b16b8b29f8c8c3. (check-in: 1f1e0b4e user: drh tags: branch-3.37)
2021-12-15
12:51
Fix a problem causing one wal file to be deleted without being checkpointed on close in cases where the last connection to close the db does so with an out of date wal-index header in memory. (check-in: b0a70a23 user: dan tags: wal2)
2021-12-13
19:59
Small performance optimization and code size reduction in moveToRoot(). (check-in: cdcde00b user: drh tags: trunk)
18:53
Add NEVER() on an unreachable branch in the Bloom filter pull-down logic. (check-in: 47107046 user: drh tags: trunk)
18:43
Fix an off-by-one error in the Bloom filter pulldown logic, found by OSSFuzz. Also fix over-length source code lines in the immediate vicinity. (check-in: 02762652 user: drh tags: trunk)
00:02
Remove unused code. (check-in: b98b24f2 user: drh tags: trunk)
2021-12-11
17:10
Do not allow early evaluation of Bloom filters that use the IN operator as the machinery to deal with the IN operator is not available. dbsqlfuzz 5b51c247518278f79a45cea978702e86e86cd4f9. (check-in: 799db7cb user: drh tags: trunk)
2021-12-10
21:01
Factor out the logic that does quoting for the SQL quote() function, so that it might be reused for other purposes. (check-in: 8e98ba1e user: drh tags: trunk)
18:11
Almost all shell tests except shell8.test pass. (a WIP) (check-in: 653db501 user: larrybr tags: cli_extension)
17:36
Rename the internal routine constructBloomFilter() to sqlite3ConstructBloomFilter(). OSSFuzz is reporting a crash with a garbled stack that we cannot reproduce. Perhaps the original "constructBloomFilter()" name is colliding with some internal name used by OSSFuzz. We'll see if this rename clears the problem. (check-in: 403e7312 user: drh tags: trunk)
2021-12-09
20:06
Add support for Bloom-filters as a performance optimization for joins. (check-in: 633bfeee user: drh tags: trunk)
19:42
Remove unused code and fix comments. Final cleanup before merging. (Closed-Leaf check-in: ce42039f user: drh tags: bloom-filter)
18:44
Enable bloom filters for the right table of a LEFT JOIN. Fix unreachable branches. (check-in: d342ab72 user: drh tags: bloom-filter)
16:45
Pickup trunk .mode upgrade + cosmetic shell changes (check-in: 8dc69c81 user: larrybr tags: cli_extension)
16:26
Add ".mode off" and ".mode count" to the CLI. (check-in: 1eefd957 user: drh tags: trunk)
16:17
Add ".mode off" and ".mode count" to the CLI. (check-in: b11f4d08 user: drh tags: bloom-filter)
14:15
New test cases added to test/fuzzdata8.db (check-in: 70468770 user: drh tags: trunk)
14:09
Do not attempt to reprepare a prepared statement that returns SQLITE_SCHEMA if there was an OOM. This enhancement supercedes check-in [fee469925231d074]. (check-in: 94fdbeff user: drh tags: trunk)
04:45
Closer to passing all Tcl tests (with an odd failure) (check-in: 6956e989 user: larrybr tags: cli_extension)
01:28
Add SQLITE_TESTCTRL_LOGEST and enhance the LogEst utility program. Improvements to testability of bloom filters. (check-in: 88b43d79 user: drh tags: bloom-filter)
2021-12-08
20:36
Clarity tweak for date.c (check-in: db58b2de user: larrybr tags: trunk)
19:50
Improvements on the decision of whether or not to use a Bloom filter. (check-in: 0fb2a4e0 user: drh tags: bloom-filter)
18:50
Enhance the sqlite3SrcListAppendFromTerm() routine so that it sets the Parser error on an OOM, causing an earlier unwind of the stack. (check-in: fee46992 user: drh tags: trunk)
16:15
Merge the WhereClause fix from trunk (check-in: d3250256 user: drh tags: bloom-filter)
16:07
In the WhereClause object, do not assume that all TERM_VIRTUAL terms appear at the end of the list, because that is no longer true. Instead, keep a separate nBase count that is the size of the list excluding the tail of virtual terms. Use nBase instead of nTerm when scanning terms that are not virtual. Add assert()s to validate correctness of WhereClause. (check-in: 6024682c user: drh tags: trunk)
2021-12-07
23:02
For CLI, extensibility refinement and small steps toward embedability (check-in: ad9970bc user: larrybr tags: cli_extension)
22:37
Do not generate a Bloom filter if it cannot be used prior to the next seek, as that leads to a misleading EXPLAIN QUERY PLAN. (check-in: 2739ed51 user: drh tags: bloom-filter)
2021-12-06
23:07
Improved EXPLAIN QUERY PLAN output for Bloom filters. (check-in: 00070e1f user: drh tags: bloom-filter)
21:45
Add SQLITE_STMTSTATUS_FILTER_HIT and _MISS for tracking the effectiveness of Bloom filters. (check-in: 24ba535d user: drh tags: bloom-filter)
20:16
Omit the OP_FilterInit opcode. Use OP_Blob to initialize each Bloom filter instead. Size the Bloom filter based on sqlite_stat1 size estimates rather than a run-time measurement for improved testability. (check-in: 8a9036ee user: drh tags: bloom-filter)
19:11
Merge trunk fixes into the bloom-filter branch. (check-in: edacf803 user: drh tags: bloom-filter)
19:03
Fix an OOB read that could occur in fts5 when processing corrupt records. (check-in: 734606ea user: drh tags: branch-3.37)
18:57
Fix an OOB read that could occur in fts5 when processing corrupt records. (check-in: bb9b1a15 user: dan tags: trunk)
17:23
Create new branch named "ppvar_manage" (Leaf check-in: 74ee8d2b user: larrybr tags: ppvar_manage)
16:56
Do not allow SQLITE_LIMIT_LENGTH to be set lower than 1 as an SQLITE_LIMIT_LENGTH of 0 causes lots of unnecessary problems for users of the sqlite3_str object. (check-in: 286243f3 user: drh tags: branch-3.37)
16:51
Do not allow certain dangerous ".testctrl" commands in safe mode. (check-in: 4602644f user: drh tags: branch-3.37)
16:42
Fix SQLITE_TESTCTRL_IMPOSTER so that it is a harmless no-op if the schema parameter is invalid. (check-in: b15c553c user: drh tags: branch-3.37)
16:36
In the shell tool, avoid modifying internal data structures until after the arguments to ".open" have been parsed. (check-in: cbd69ed8 user: drh tags: branch-3.37)
16:29
Start a new branch on which to cherrypick fixes against 3.37.0. (check-in: cea9e41a user: drh tags: branch-3.37)
16:22
Merge .testctrl safe mode blocks (check-in: a42fc4ac user: larrybr tags: cli_extension)
15:40
Do not allow SQLITE_LIMIT_LENGTH to be set lower than 1 as an SQLITE_LIMIT_LENGTH of 0 causes lots of unnecessary problems for users of the sqlite3_str object. (check-in: 8fd5b8ec user: drh tags: trunk)
15:24
Do not allow certain dangerous ".testctrl" commands in safe mode. (check-in: 080e72d1 user: drh tags: trunk)
15:08
Fix SQLITE_TESTCTRL_IMPOSTER so that it is a harmless no-op if the schema parameter is invalid. (check-in: 2d9a45ab user: drh tags: trunk)
13:07
Attempt to vary the size of Bloom filters based on an estimate of how many keys the filter will hold. (check-in: a7adcf69 user: drh tags: bloom-filter)
2021-12-05
20:19
Run as many Bloom filters as possible before index lookups. (check-in: 06f6fefd user: drh tags: bloom-filter)
00:45
Try to run all Bloom filters before any Seeks. This gives a small performance gain on the Star-Schema Benchmark. (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 (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(). (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
15:00
Merge version 3.37.0 into the wal2 branch. (check-in: 3425af62 user: drh tags: wal2)
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
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)
16:27
Fix a typo in memdb1.test preventing tests from passing with -DSQLITE_DEFAULT_AUTOVACUUM=1 builds. (check-in: eff4187c user: dan tags: trunk)
16:06
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)
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)
2021-11-16
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)