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200 most recent check-ins using file test/vtab6.test version 8e789f52

2023-11-29
16:26
Fix a duplicate assert() caused by the second cherrypick in the previous check-in. (Leaf 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)
2023-10-19
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)
2023-09-15
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)
2023-02-26
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)
2023-02-16
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)
2023-02-15
13:00
Update the configure script so that it contains the correct version number. (check-in: a7cbf308 user: drh tags: branch-3.26)
2022-10-24
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)
2022-10-19
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)
2022-09-27
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)
2022-09-01
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)
2022-08-10
17:03
Merge the branch-3.28a fixes into branch-3.28. (check-in: ba6bf331 user: drh tags: branch-3.28)
2022-08-09
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)
2022-01-21
16:47
When computing a vector to be used as a key for an index lookup, do not check for NULL values and abort until after all key values have been computed, in case one of the later key values involves some initialization that is needed by a LEFT JOIN. Fix for the problem identified by Forum post ab95010d410a0a55. (Leaf check-in: 3bc8d162 user: drh tags: branch-3.37)
2022-01-20
14:51
A better and more robust fix for the problem of reading a read-only WAL mode database with existing -wal and -shm files, replacing [f426874e005e3c23]. (check-in: 1266220a user: drh tags: branch-3.37)
12:36
Fix the ability to read read-only WAL-mode database when -shm is present, ([00ec95fcd02bb415|check-in 00ec95fcd02bb415]) so that it works for the case of 64K page size. (check-in: 2cc15e2f user: drh tags: branch-3.37)
2022-01-17
23:53
Allow an "IntReal" value to count as a REAL when checking types for insertion into a generated column on a STRICT table. Forum post fa012c77796d9399. (check-in: b6fb223d user: drh tags: branch-3.37)
19:10
Merge the begin-concurrent-pnuu branch into begin-concurrent. (check-in: 22fb5050 user: drh tags: begin-concurrent)
03:25
Bring .import --schema enhancement in. Refine mkshellc include logic. (check-in: e38f45cd user: larrybr tags: cli_extension)
2022-01-16
15:15
Fix ALTER TABLE so that it works even when compiled using -DSQLITE_DQS=0. Forum post 3c1a00b66fca81fe. (check-in: 092ad64f user: drh tags: trunk)
2022-01-14
23:28
Remove code from lemon.c that was made superfluous by [1b22b42e59793af1|check-in 1b22b42e59793af1] in late 2017. (check-in: 6d2f95a4 user: drh tags: trunk)
21:34
Fix a NEVER() in the byte-code engine that can sometimes be true. Test case in TH3. (check-in: 7ac91b53 user: drh tags: trunk)
16:29
For .import schema, quote it as for other identifiers. (check-in: bff9153c user: larrybr tags: trunk)
2022-01-13
21:22
Add --schema S option to .import (check-in: 38d9dbca user: larrybr tags: trunk)
2022-01-12
20:31
When the result of a subquery is to be stored in a register and that subquery has an ORDER BY clause and an OFFSET, NULL out the destination register before starting the ORDER BY so that the register will be set correctly even if the OFFSET is larger than the number of output rows. Fix for the problem reported in forum post 0ec80f12d02acb3f. (check-in: 9282bcde user: drh tags: trunk)
01:42
Make tool/mctimec.tcl effect more regular and obvious (check-in: 02aaa10f user: larrybr tags: trunk)
00:52
Fix mkctimec.tcl with the updated compile-time options for JSON. (check-in: 8ded3f5b user: drh tags: trunk)
00:28
Fix harmless compiler warning seen with MSVC. (check-in: adebb9d7 user: mistachkin tags: trunk)
2022-01-11
23:28
Merge the JSON interface into the core. Add -> and ->> operators for JSON that are compatible with by MySQL and PG. (check-in: 4cbb3e3e user: drh tags: trunk)
22:06
Remove vestigial traces of json_ntype(). (Closed-Leaf check-in: 8da07c8b user: drh tags: json-in-core)
18:01
Fix the PG-compatible -> and ->> path parsing. (check-in: 22d51383 user: drh tags: json-in-core)
2022-01-10
17:43
Fix typo in the json-enhancements.md document. (check-in: feba24ef user: drh tags: json-in-core)
15:43
Implement the new PG-compliant versions of the -> and ->> operators. (check-in: 39eff3b9 user: drh tags: json-in-core)
13:55
New proposal for -> and ->> operators. (check-in: 1108e12a user: drh tags: json-in-core)
2022-01-09
21:16
Update the json-enhancements.md document to match the version in the json-in-core branch, as outside readers have linked to this branch. (Leaf check-in: 2027b3be user: drh tags: json-enhancements)
20:51
Typo fix in doc/json-enhancements.md. (check-in: c3b01d49 user: drh tags: json-in-core)
20:42
Update the doc/json-enhancements.md document to better explain the features of this branch. (check-in: b8ac938f user: drh tags: json-in-core)
19:44
Do not enclude ENABLE_JSON1 in the compile-time options. (check-in: 8bf41bc5 user: drh tags: json-in-core)
19:36
Merge trunk enhancements into the json-in-core branch. (check-in: ea755771 user: drh tags: json-in-core)
16:54
Add a new built-in subtype() function. (check-in: a25f4ce2 user: drh tags: json-in-core)
2022-01-08
21:59
mkshellc.tcl to convert #include to INCLUDE for in-tree includees (check-in: b1f3b317 user: larrybr tags: cli_extension)
21:50
Add NEVER() macros to two branches that became unreachable due to [e199a851e316bd47]. (check-in: 71272caf user: drh tags: trunk)
21:00
Add function format() as an alias for printf(), for compatibility with other systems. (check-in: 68bffc61 user: drh tags: trunk)
15:37
Merge the JSON function enhancements from the json-enhancements branch into json-in-core. (check-in: e116501c user: drh tags: json-in-core)
15:05
Improved commenting of changes in the json1.c extension. (check-in: 4d81425e user: drh tags: json-enhancements)
2022-01-07
18:09
Notes on the JSON enhancement proposals. (check-in: 18160985 user: drh tags: json-enhancements)
17:26
Reverse the meaningn of -> and ->>. ->> raises an error on invalid JSON but -> does not. This allows ->> to behave the same as PG and MySQL. (check-in: 85f81705 user: drh tags: json-enhancements)
17:14
Change the -> operator to use json_extract(). The ->> operator continues to use json_nextract(). (check-in: b4c8a623 user: drh tags: json-enhancements)
17:08
New json_nextract() function that works like json_extract() except that it returns NULL instead of raising an error if the first argument is not well-formed JSON. Or if the first argument is not well-formed JSON and the second argument is '$', then return the first argument quoted. The "->" and "->>" operators are converted to use json_nextract(). (check-in: dc00f528 user: drh tags: json-enhancements)
16:03
Add the json_ntype() SQL function. Works like the 1-argument json_type() except that it returns NULL if the argument is not well-formed JSON, rather than raising an error. (check-in: ed9956f5 user: drh tags: json-enhancements)
15:47
Accept abbreviated JSON Paths on the right-hand side of the -> and ->> operators. (check-in: d1541090 user: drh tags: json-enhancements)
14:58
Add new binary operators "->" and "->>" to the parser that evaluate to 2-argument SQL functions by the same name. Add new "->" and "->>" functions to the JSON extension that are aliases for json_extract(). (check-in: c4e4e3a3 user: drh tags: json-enhancements)
14:09
Merge 3.37.2 changes into the begin-concurrent-pnu branch. (Leaf check-in: e525892d user: drh tags: begin-concurrent-3.37)
2022-01-06
17:13
Add the '-guard:cf' compiler option for Windows 10, per forum post 8d3b4ad694. (check-in: 2d6a16ca user: mistachkin tags: trunk)
14:16
Merge the 3.37.2 patches into the reuse-schema branch. (Leaf check-in: d7ec5a2b user: drh tags: reuse-schema-3.37)
13:25
Version 3.37.2 (check-in: 872ba256 user: drh tags: release, branch-3.37, version-3.37.2)
01:40
An attempt to integrate the JSON functions directly into the SQLite core, rather than holding them as an extension. (check-in: 583b47d8 user: drh tags: json-in-core)
2022-01-05
21:08
Remove two NEVER() macros that can sometimes be true if the database is corrupt. dbsqlfuzz 0414d2c18290fc80fd5fb540def7d3e46c1ae9c6. (check-in: e1871201 user: drh tags: branch-3.37)
21:01
Remove two NEVER() macros that can sometimes be true if the database is corrupt. dbsqlfuzz 0414d2c18290fc80fd5fb540def7d3e46c1ae9c6. (check-in: b6a82f3c user: drh tags: trunk)
18:56
Increase the version number to 3.37.2 (check-in: 7b911356 user: drh tags: branch-3.37)
16:02
Fix an assert() failure that could follow an OOM when coding a RETURNING trigger. dbsqlfuzz case 5d3e2438f15dc32b473d9f29413157857efa1212. (check-in: 93965e67 user: drh tags: branch-3.37)
15:54
Fix an assert() failure that could follow an OOM when coding a RETURNING trigger. dbsqlfuzz case 5d3e2438f15dc32b473d9f29413157857efa1212. (check-in: 7ae596dd user: dan tags: trunk)
12:01
Improved handling of OOM errors in sqlite3ExpandReturning(). dbsqlfuzz 1040b720f0bbc3bdcfe7336acffbf71517e3ef82. (check-in: b9ed2a29 user: drh tags: branch-3.37)
11:49
Improved handling of OOM errors in sqlite3ExpandReturning(). dbsqlfuzz 1040b720f0bbc3bdcfe7336acffbf71517e3ef82. (check-in: 33c6b8e9 user: drh tags: trunk)
2022-01-03
19:33
Test .mode quote blob output (check-in: ef4dcd10 user: larrybr tags: trunk)
01:43
Small performance and size optimization to allocateCursor(). (check-in: 23f04266 user: drh tags: trunk)
2022-01-02
21:53
Remove unnecessary assignment operations in the btree search algorithm, for a small size reduction and performance increase. (check-in: 01bd266e user: drh tags: trunk)
20:54
In the CLI, fix ".mode quote" output for UTF16 BLOBs. Forum post b4bfe62fe6. (check-in: 728e9dcc user: drh tags: trunk)
19:43
Do not open a rollback journal file when the journal_mode is OFF, even if such a file exists on disk. See [forum/forumpost/ec2a102440|forum post ec2a102440] for a description. I so far have been unable to find any harm to come of the problem, other than the assertion fault when in DEBUG mode. (check-in: 71f21f17 user: drh tags: branch-3.37)
19:32
Do not open a rollback journal file when the journal_mode is OFF, even if such a file exists on disk. See [forum/forumpost/ec2a102440|forum post ec2a102440] for a description. I so far have been unable to find any harm to come of the problem, other than the assertion fault when in DEBUG mode. (check-in: fdf9ed66 user: drh tags: trunk)
19:10
Improve formatting of an assert(). No functional changes. (check-in: 4bb78ce8 user: drh tags: trunk)
18:10
Clear the cache of triggers used to implement CASCADE foreign key constraints whenever the schema changes. Fix for the problem identified by forum post 2831335356. (check-in: 4f1313c6 user: drh tags: branch-3.37)
17:46
Earlier detection of corruption in sqlite3BtreeDelete(). Fix for the assertion fault reported by forum post 9d78389221. (check-in: eb072199 user: drh tags: branch-3.37)
17:37
Do not raise an SQLITE_SCHEMA error if in sqlite3Init(). Fix for PoC #2 in forum post b03d86f951. See TH3 for test cases. (check-in: 25beca31 user: drh tags: branch-3.37)
17:24
Fix an obscure problem with releasing savepoints stored in an in-memory journal that could cause subsequent savepoint rollback to fail. (check-in: 3c0806e4 user: drh tags: branch-3.37)
17:14
Remove an obsolete assert() statement that no longer does anything useful and which is not always true. Fix for PoC #1 of forum post b03d86f951. (check-in: 0829c100 user: drh tags: branch-3.37)
17:13
Fix a faulty assert() statement - adding a CORRUPT_DB term - based on a test case derived from [562805cf488a455c]. Also add a test case to that prior issue. (check-in: f9505fcb user: drh tags: branch-3.37)
17:02
Fix harmless compiler warnings seen with MSVC. (check-in: 6e08a542 user: drh tags: branch-3.37)
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)
16:48
Performance optimization in btreeParseCellPtr() by unrolling the loop that decodes the rowid. (check-in: fef72368 user: drh tags: trunk)
14:55
Small performance optimization and size reduction in sqlite3BtreeDelete(). (check-in: da0af4dd user: drh tags: trunk)
12:01
Clear the cache of triggers used to implement CASCADE foreign key constraints whenever the schema changes. Fix for the problem identified by forum post 2831335356. (check-in: 5232c977 user: drh tags: trunk)
11:25
Earlier detection of corruption in sqlite3BtreeDelete(). Fix for the assertion fault reported by forum post 9d78389221. (check-in: 13e9ff9e user: drh tags: trunk)
00:16
Bring in trunk shell mods. (check-in: f628c3af user: larrybr tags: cli_extension)
2022-01-01
22:55
Do not raise an SQLITE_SCHEMA error if in sqlite3Init(). Fix for PoC #2 in forum post d7338bf4901f1151. See TH3 for test cases. (check-in: e199a851 user: drh tags: trunk)
20:02
Fix an assert() in pager.c to avoid the possibility of side-effects. (check-in: 1d1fe03c user: dan tags: trunk)
19:55
Attempt to fix a harmless compiler warning in FTS5. (check-in: 8e619c21 user: drh tags: trunk)
19:29
Fix an obscure problem with releasing savepoints stored in an in-memory journal that could cause subsequent savepoint rollback to fail. Problem reported by forum post d7338bf4901f1151, PoC #3. The problem appears to have been introduced at [23ca23894af352ea]. (check-in: 73c2b502 user: dan tags: trunk)
17:21
Remove an obsolete assert() statement that no longer does anything useful and which is not always true. Fix for PoC #1 of forum post d7338bf4901f1151. (check-in: c76a4c0b user: drh tags: trunk)
12:26
Fix a faulty assert() statement - adding a CORRUPT_DB term - based on a test case derived from [562805cf488a455c]. Also add a test case to that prior issue. (check-in: 0dd6b5fc user: drh tags: trunk)
2021-12-31
22:53
Mark the REGEXP operator in the built-in extension as deterministic. (check-in: e654b57a user: drh tags: trunk)
19:20
Simplify the sqlite3RunParser() routine by omitting the third parameter. Results in a binary that is about 100 bytes smaller and 1.4M cycles faster. (check-in: 6fb2a1bb user: drh tags: trunk)
19:08
Fix harmless compiler warnings in the shell. (check-in: f3ea36d7 user: mistachkin tags: trunk)
18:26
Fix harmless compiler warnings seen with MSVC. (check-in: a9bfb621 user: mistachkin tags: trunk)
17:54
Performance optimization and size reduction in sqlite3RunParser(). (check-in: 41ee2bac user: drh tags: trunk)
16:37
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: 562805cf user: drh tags: trunk)
2021-12-30
17:46
Remove unnecessary conditionals around the ORDER BY resolver calls in multiSelectOrderBy(). (check-in: f2887e01 user: drh tags: trunk)
17:36
When constructing the sqlite3_index_info object for the xBestIndex method of a virtual table, omit constant trims from the ORDER BY clause, as they will always be in the correct order. (check-in: 524c2b87 user: drh tags: trunk)
16:14
Merge the 3.37.1 patches into the reuse-schema branch. (check-in: e9e95c8f user: drh tags: reuse-schema-3.37)
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)
02:38
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: 2f09b51b user: drh tags: trunk)
00:37
When implementing a multi-way compound SELECT using merge, try to balance the merge tree. (check-in: bb8522fe user: drh tags: trunk)
2021-12-29
13:32
Minor changes to shell1.test test results to account for the new feature of the shell that points to the specific part of the input line where the error occurs. (check-in: d4870c08 user: drh tags: trunk)
04:31
Ensure that the affinity of columns is honored in the RETURNING clause. See forum post e0c7574ab2 for the bug report. (check-in: 4711fb69 user: drh tags: trunk)
04:13
Add the sqlite3_error_offset() interface. Use it to enhance error reporting in the CLI. (check-in: 416602a8 user: drh tags: trunk)
04:10
Make .read's help tell of piped input (check-in: 155c3e9c user: drh tags: trunk)
04:10
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: e773d621 user: drh tags: trunk)
04:08
Fix the build-breaker bug in test1.c introduced by check-in [7fa20ca4c09ab024]. (Closed-Leaf check-in: 5f804da1 user: drh tags: build-bug)
2021-12-28
05:08
Make .read's help tell of piped input (check-in: e4ddcd8a user: larrybr tags: build-bug)
2021-12-25
23:59
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: c03205ae user: drh tags: build-bug)
00:26
Add the sqlite3_error_offset() interface. Use it to enhance error reporting in the CLI. (Later:) There is a bug in src/test1.c that prevents the code from even building. How did this pass tests? Moving to a branch to prevent fugure bisect problems. (check-in: 7fa20ca4 user: drh tags: build-bug)
00:19
One minor change for an exceptional case in sqlite3_error_offset(). (Closed-Leaf check-in: c93609a8 user: drh tags: improved-error-context)
2021-12-24
20:51
Create new branch named "instr-bidir-more" (Leaf check-in: 4ca96d2d user: larrybr tags: instr-bidir-more)
20:22
Add the sqlite3_error_offset() interface. Use it in the CLI to provide better context for error messages. (check-in: b518ce77 user: drh tags: improved-error-context)
19:44
Fix a minor problem in the CLI introduced by [d156123885abe6bf], apparently. (check-in: 37e6e10f user: drh tags: trunk)
13:30
Raise an error if a schema name is attached to the table-alias name of a subquery or view. See forum post 021a33600b for the bug report. (check-in: 8af8c153 user: drh tags: trunk)
2021-12-23
00:16
Reduce the size of the compiled binary by a couple of hundred bytes by using a thigher packing of a transformation table in date.c. Suggested by forum post 4f6efbb2a9. (check-in: c75ba4fa user: drh tags: trunk)
2021-12-21
16:59
Update the README.md to instruct the user to remove the final comment line from the "manifest" file before using it to compute the check-in hash. (check-in: 7b4f9d95 user: drh tags: trunk)
2021-12-20
23:46
In the json1 extension, which compiling it separately, ensure that either SQLITE_DEBUG macro or the NDEBUG macro is set prior to including assert.h. If neither macro is defined, then assert() statement do generate code but VVA() statements do not, and that is a deadly combination. forum post 858dee399e (check-in: d9f814a6 user: drh tags: trunk)
17:00
Remove old script ext/fts3/mkfts3amal.tcl, as it doesn't work. (check-in: 9e33ee24 user: dan tags: trunk)
2021-12-17
23:56
Improved documentation for the sqlite3_vtab_collation() interface. (check-in: 826f84a9 user: drh tags: trunk)
2021-12-16
19:50
Fix windowC tests to specify little-endian or big-endian UTF16, for cross-platform portability. Forum post 559b84a5c6 (check-in: adf3a1e6 user: drh tags: trunk)
19:43
Give the correct prefix to tests in the windowC.test module. (check-in: fb434563 user: drh tags: trunk)
17:57
In the CLI, omit the ".oom" command (only available in debug builds) and disable the experimental ".expert" commmand in --safe mode. (check-in: 5cda1f7d user: drh tags: trunk)
17:35
New defenses against OOM and corrupt database problems in the CLI. (check-in: 5c9fd7fd user: drh tags: trunk)
17:21
Fix a typo in the result of one of the new test cases. (check-in: 4d02a129 user: drh tags: trunk)
15:29
Fix fts3 and fts4 so that they can still be used even if the other is dropped by a call to sqlite3_drop_modules(). (check-in: a0a8d6c9 user: dan tags: trunk)
14:59
Fix a memory leak in the CLI that occurs after an error in the ".open" command. (check-in: d1561238 user: drh tags: trunk)
14:36
Fix harmless compiler warning in the new Bloom filter logic. (check-in: 9406d95d user: drh tags: trunk)
14:26
Improved robustness against OOM in the expert extension. (check-in: e732c429 user: drh tags: trunk)
13:56
Fix a potential NULL pointer dereference in the CLI logic for printing the schema of virtual tables. (check-in: fe44ebf6 user: drh tags: trunk)
13:29
Add more tests for OOM conditions in the CLI. (check-in: b6fa402d user: drh tags: trunk)
00:36
Change the query planner so that it excludes virtual table constraints that do not have the correct collation. This breaks the expert extension. (Closed-Leaf check-in: da3aae7b user: drh tags: vtab-collation-fix)
2021-12-15
20:48
Simplify the generation of the sqlite3_index_info object during query planning for virtual tables. (check-in: 241dc042 user: drh tags: trunk)
13:48
Update this branch with the latest trunk and wal2 changes, including the checkpoint-on-close wal2 mode fix. (check-in: cffc31bf user: dan tags: begin-concurrent-report-wal2)
13:42
Merge checkpoint-on-close fix from wal2 branch. (check-in: a92eca6c user: dan tags: begin-concurrent-pnu-wal2)
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)
2021-12-14
20:13
Enhance the virtual table query planner so that it is able to deal with ORDER BY terms that contain COLLATE clauses as long as the specified collation matches the virtual table. This is especially important for UNION ALL since a "COLLATE binary" is added to ORDER BY clauses if no COLLATE clause exists in the original SQL. (check-in: 5c3d398d user: drh tags: trunk)
18:11
Minor fix to the ORDER BY elimination logic in generate_series(). (check-in: a2e50712 user: drh tags: trunk)
00:36
Omit the return value from sqlite3VdbeSerialGet() for a size reduction and performance improvement. (check-in: 788e79f8 user: drh tags: trunk)
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)