Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
102 events for the month beginning 2023-05-01 by user drh
Following month ↑|
2023-05-31
| ||
| 18:52 | Add a comment to explain why both sides of an AND must be non-null-row in order for the overall expression to be non-null-row. No code changes. (check-in: 8396032c user: drh tags: trunk) | |
| 18:35 | Improved detection of when the LEFT JOIN strength reduction optimization can be applied. (check-in: f544a8e4 user: drh tags: trunk) | |
| 12:42 | Minor enhancement to the sqlite3_trace_v2() documentation. No code changes. (check-in: fba97230 user: drh tags: trunk) | |
|
2023-05-30
| ||
| 16:40 | Enhancements to date/time functions: (1) Add support for time-shift modifiers of the form (+|-)YYYY-MM-DD HH:MM:SS.SSS (2) Add the timediff(A,B) SQL function that returns the time-shift modifier sufficient to move B to A. (check-in: 574bf370 user: drh tags: trunk) | |
| 14:46 | Simplifications to the new timediff() logic. (Closed-Leaf check-in: d6954259 user: drh tags: timediff) | |
| 11:51 | New test cases for the timediff enhancements. (check-in: f14633ce user: drh tags: timediff) | |
| 11:14 | • Edit [fa9237a8ab803ca3|fa9237a8]: Edit check-in comment. (artifact: 5cc3db67 user: drh) | |
| 11:13 | Allow date/time modifiers of the form (+/-)YYYY-MM-DD without the following HH:MM:SS.SSS. (check-in: fa9237a8 user: drh tags: timediff) | |
| 02:50 | Problems fixed. All tests are passing now. (check-in: cff293b0 user: drh tags: timediff) | |
| 02:16 | Improvements to the timediff() function. Test cases added. Not all test cases are passing. (check-in: 2cf65181 user: drh tags: timediff) | |
|
2023-05-29
| ||
| 20:33 | New date/time modifier: (+|-)YYYY-MM-DD HH:MM(:SS.SSS)? (check-in: 3832b8a9 user: drh tags: timediff) | |
| 18:01 | Prototype implementation of a proposed "timediff(X,Y)" SQL function. (check-in: 054a1951 user: drh tags: timediff) | |
|
2023-05-27
| ||
| 20:08 | Fix an issue with sqldiff reported by forum post 9bd2155bdfae25a7. (check-in: 736a79c1 user: drh tags: trunk) | |
|
2023-05-23
| ||
| 17:43 | Avoid performing aggregate processing more than once for a single expression. (check-in: 1bc54971 user: drh tags: branch-3.42) | |
| 15:22 | When converting an aggregate expression to AGG_COLUMN, be sure to remove the EP_Unlikely flag if it is present. (check-in: 20c8a924 user: drh tags: branch-3.42) | |
| 15:16 | When converting an aggregate expression to AGG_COLUMN, be sure to remove the EP_Unlikely flag if it is present. Forum post fbfe330a2009d036. (check-in: 48e65f18 user: drh tags: trunk) | |
|
2023-05-22
| ||
| 16:35 | When a floating-point RTREE is presented with large integer constraints - integers that are too big to be represented exactly by a float - then take extra steps to ensure that all possibly relevant entries in the RTREE are returned, even in boundary cases. Fix for the problem identified by forum post da70ee0d0d. (check-in: bfd8d910 user: drh tags: trunk) | |
|
2023-05-19
| ||
| 16:42 | Improved documentation for sqlite3_reset(), in response to forum post a72bab3dea. (check-in: 1dfeb3dc user: drh tags: trunk) | |
| 11:48 | Change the RTREE engine so that equality comparisons of floating point values are duplicated in the byte-code so that the comparisons are done using 64-bit floats and consistent results are always obtained. Forum post da61c4a1b5b4af19. (check-in: 4ec0f0a3 user: drh tags: trunk) | |
|
2023-05-18
| ||
| 23:28 | Fix incorrect b-tree root page reports from the enhanced PRAGMA integrity_check output introduced in version 3.42.0. (check-in: 0a0b7a2d user: drh tags: branch-3.42) | |
| 23:25 | Fix incorrect b-tree root page reports from the enhanced PRAGMA integrity_check output introduced in version 3.42.0. (check-in: 9b538f62 user: drh tags: trunk) | |
| 23:17 | • Edit [81b1bce719813cab|81b1bce7]: Move to branch mistake. Mark "Closed". Edit check-in comment. (artifact: ced1e8ee user: drh) | |
| 23:16 | Incorrect fix. (Closed-Leaf check-in: 81b1bce7 user: drh tags: mistake) | |
|
2023-05-17
| ||
| 19:23 | Fast-path the btree transaction start for the common case where a transaction is already active. (check-in: 798c3ff2 user: drh tags: trunk) | |
| 16:13 | Simplification, performance improvement, and size reduction in the codeAllEqualityTerms() function of the code generator. (check-in: 4fbe0265 user: drh tags: trunk) | |
| 15:46 | New assert() statements to verify that Expr.iColumn is never used as an array index when its value is negative. (check-in: 6084c5fb user: drh tags: trunk) | |
| 13:21 | Improved assertions on substExpr(). (check-in: 6dbd5b3c user: drh tags: trunk) | |
| 11:45 | Avoid an assert() failure that could occur in SQLITE_ENABLE_UPDATE_DELETE_LIMIT builds when a WITH clause attached to an UPDATE or DELETE statement created a CTE of the same name as the table being modified. (check-in: 60f03e32 user: drh tags: branch-3.42) | |
| 00:32 | Increase the version number to 3.42.1 (check-in: da0c662b user: drh tags: branch-3.42) | |
| 00:29 | Fix two assert() statements that failed to take into account the likely() built-in function. This does not impact production code. (check-in: 634fe4c2 user: drh tags: branch-3.42) | |
| 00:26 | Fix two assert() statements that failed to take into account the likely() built-in function. This does not impact production code. (check-in: 8504fe81 user: drh tags: trunk) | |
|
2023-05-16
| ||
| 14:20 | Increase the version number to 3.43.0 in order to begin the next development cycle. (check-in: 7874023c user: drh tags: trunk) | |
| 13:11 | Merge all 3.42.0 release enhancements into the reuse-schema branch. (check-in: d67b6c39 user: drh tags: reuse-schema) | |
| 13:04 | Merge all 3.42.0 release changes into the bedrock branch. (check-in: 1348c2a5 user: drh tags: bedrock) | |
| 13:00 | Merge all 3.42.0 release changes into the wal2 branch. (check-in: 137057f9 user: drh tags: wal2) | |
| 12:56 | Merge all 3.42.0 release changes into the begin-concurrent branch. (check-in: 804bb138 user: drh tags: begin-concurrent) | |
| 12:36 | Version 3.42.0 (check-in: 831d0fb2 user: drh tags: trunk, release, version-3.42.0) | |
| 12:34 | Update the tool/mkmsvcmin.tcl script so that it prints a one-line message to explain what it has done. (check-in: 4254f086 user: drh tags: trunk) | |
|
2023-05-15
| ||
| 19:17 | Fix a C++-style variable declaration in the generate_series() extension. (check-in: 1d3e0089 user: drh tags: trunk) | |
| 17:20 | Increase the stack size available to fuzzcheck to 8MB on Windows. (check-in: 2290dc68 user: drh tags: trunk) | |
| 10:55 | Add the --wait command-line option to fuzzcheck. (check-in: 5a479a2c user: drh tags: trunk) | |
| 02:06 | As evidenced by forum post f3f546025a, the new RIGHT JOIN related restriction on the push-down optimization implemented by [da3fba18742b6e0b] also needs to apply to the automatic index (a.k.a. hash-join) optimization and to the Bloom filter optimization. Computation of the restriction is now moved into the sqlite3ExprIsSingleTableConstraint() routine. (check-in: 4902015d user: drh tags: trunk) | |
| 01:02 | Simplify the interface to constructAutomaticIndex(). (check-in: c5da1655 user: drh tags: trunk) | |
|
2023-05-13
| ||
| 15:21 | Merge the latest 3.42.0 changes into the reuse-schema branch. (check-in: 515bb26e user: drh tags: reuse-schema) | |
| 15:17 | Merge the latest 3.42.0 changes from trunk into the begin-concurrent branch. (check-in: 18c5e16b user: drh tags: begin-concurrent) | |
| 15:10 | Merge the latest 3.42.0 beta changes into the bedrock branch. (check-in: d55ba8bb user: drh tags: bedrock) | |
| 15:07 | Merge the latest 3.42.0 beta from trunk into the wal2 branch. For some reason, the previous merge didn't work. Probably a PEBKAC. (check-in: 3bbfbdcd user: drh tags: wal2) | |
| 15:00 | Merge the latest 3.42.0 beta changes into the wal2 branch. (check-in: 771361e1 user: drh tags: wal2) | |
|
2023-05-12
| ||
| 19:06 | Fix harmless compiler warning caused by [0772ddf56713d013]. (check-in: f06c16a8 user: drh tags: trunk) | |
| 15:45 | Make the regexp extension more robust against OOM errors during compilation of the recognizer engine. Forum post f50aecd5e8. (check-in: 0772ddf5 user: drh tags: trunk) | |
| 13:20 | Ensure the _O_U16TEXT is defined for Windows builds of the CLI. Forum post c80aa942dc6bf2. (check-in: 504effa8 user: drh tags: trunk) | |
| 12:57 | Remove a stray CR from end of line in a source file. (check-in: 48139fb9 user: drh tags: trunk) | |
| 12:45 | Fix harmless typos in comments. (check-in: 607c3efb user: drh tags: trunk) | |
| 10:52 | Ensure that all prepared statements are expired and forced to reprepare whenever the database text encoding changes. Forum post 43cbfc4d23. (check-in: 469718f1 user: drh tags: trunk) | |
|
2023-05-11
| ||
| 21:15 | Add restriction (5) to the omit-noop-join optimization. Fix for the issue reported by [forum/forumpost/49f2c7f690|forum post 49f2c7f690]. (check-in: 3e9c9bbd user: drh tags: trunk) | |
| 18:03 | Fix a minor typo in a comment. No code changes. (check-in: 607cfb5b user: drh tags: trunk) | |
|
2023-05-10
| ||
| 16:04 | Enhance the split-sqlite3c.tcl script so that it uses single-character extensions on subordinate source files, even when the number of subordinates exceeds 9. This is not yet needed, but might be soon. (check-in: 4150e416 user: drh tags: trunk) | |
| 13:56 | Fix harmless compiler warnings from the CBMC compiler. (check-in: 5bc17cbc user: drh tags: trunk) | |
| 12:47 | • Edit [da3fba18742b6e0b|da3fba18]: Edit check-in comment. (artifact: 83d3c517 user: drh) | |
| 11:05 | Rename sqlite3IsTableConstraint() to sqlite3IsSingleTableConstraint() and improve its header comment, in an attempt to make the code easier to reason about. No functional changes - should generate identical machine code. (check-in: 5dae8974 user: drh tags: trunk) | |
| 10:03 | Add a missing comma to the documentation for the OP_Jump opcode. No changes to code. (check-in: 7e2c2b1c user: drh tags: trunk) | |
| 00:33 | New restriction on the push-down optimization to prevent an ON or USING clause on the left side of a RIGHT JOIN from being pushed down into a subquery that is on the right side of that RIGHT JOIN. Forum post a7d4be7fb6. This is similar to an earlier problem fixed at [1783655ea422185e]. Also add comments to describe previously undocumented push-down optimization restrictions. (check-in: da3fba18 user: drh tags: trunk) | |
|
2023-05-08
| ||
| 13:47 | Improved error handling when ".open" fails in the CLI. (check-in: 38544b11 user: drh tags: trunk) | |
| 13:38 | In editPage(), if an attempt is made to edit an empty 64KB page, then take the slow path through rebuildPage(), in order to maintain strict invariants in the editPage() code. Forum post 0f37727c0d. (check-in: a865e574 user: drh tags: trunk) | |
| 11:11 | Ensure that the label for a JSON object really is a string and not an array or object that just happens to end with a string. dbsqfuzz 32f62ed8676d0a153dbe756aeae3202d3670fe50. (check-in: c335737c user: drh tags: trunk) | |
|
2023-05-07
| ||
| 03:23 | It turns out that pagerExclusiveLock() can be called with the lock state already set to RESERVED if the SQLITE_FCNTL_PERSIST_WAL setting is set and a specific sequence of multiple journal mode changes occur. Enhance pagerExclusiveLock() to deal with this. Forum post 8130545bc6 (check-in: 2bb8d977 user: drh tags: trunk) | |
|
2023-05-05
| ||
| 20:22 | Fix a comment in the JSON logic. No code changes. (check-in: 3f30ea5e user: drh tags: trunk) | |
| 14:16 | Updates to compile-time option usage and especially to the compile-time option test script in tool/omittest.tcl. (check-in: fece588b user: drh tags: trunk) | |
| 14:14 | Fix the pager2-3.1 test case so that it does not run if a required dependence (shared-cache) is omitted from the build. Fix for forum post 7a028538a7. (check-in: a77c8a78 user: drh tags: trunk) | |
| 11:33 | Improved formatting of comments on SQLITE_CONFIG_xxx defines as those comments are used by documentation. (check-in: 2cb840bc user: drh tags: trunk) | |
|
2023-05-04
| ||
| 20:28 | Add the "subsecond" modifier to the date/time functions. (check-in: 6fcb5a94 user: drh tags: trunk) | |
| 14:44 | Enhance the format() function so that the "," modifier works for floating point numbers in addition to integers. (check-in: 83683e10 user: drh tags: trunk) | |
| 13:07 | Add support for the comma (,) modifier to %f formats in the format() function. (Closed-Leaf check-in: 7080e196 user: drh tags: comma-format) | |
| 11:29 | Fix a bug in cursor hints that can cause references to tables that have not been opened. Cursor hints are intended for use by COMDB2 only and should not appear in production builds, so this should not be a factor for the vast majority of users. (check-in: d3370d59 user: drh tags: trunk) | |
|
2023-05-03
| ||
| 14:10 | Add another assert() to FTS5 to demonstrate that a pointer is never NULL. (check-in: b8a84a1b user: drh tags: trunk) | |
| 13:48 | Protect a macro argument with parentheses in FTS5. (check-in: bc07fe51 user: drh tags: trunk) | |
| 13:33 | Add a comment to the [0512f82a2cde7447] change to link it to its TH3 test case. (check-in: 1281d4d9 user: drh tags: trunk) | |
| 13:03 | Enhancement to showwal such that it shows what the page hash should be on a hash mismatch. (check-in: 960dc970 user: drh tags: trunk) | |
| 07:30 | In the zipfile extension, leave the catalog list in a consistent state when the last entry is removed from the list. forum post f03f1e4c5a5c9959. (check-in: 1b489d00 user: drh tags: trunk) | |
| 06:48 | If the page size is wrong on the page1 content inside a WAL file, then running VACUUM could trigger an assert(). This check-in changes that assert() into a branch that returns SQLITE_CORRUPT. Forum post 4ef9b37d74d2d2e8 (check-in: 0512f82a user: drh tags: trunk) | |
| 06:38 | Improved detection of excess recursion on arrays and objects in the JSON parser. Fixes a problem detected by dbsqlfuzz. (check-in: d40fd592 user: drh tags: trunk) | |
| 05:00 | Do not overflow the Index.aSample[] array if the same index appears in the sqlite_stat4 table under multiple names because it is a WITHOUT ROWID primary key index. Forum post 537d8ab118df7edd (check-in: 9350a25a user: drh tags: trunk) | |
| 04:21 | Do not even attempt to load the sqlite_stat4 table if the use of STAT4 is disabled using sqlite3_test_control(). (check-in: 0bf94c77 user: drh tags: trunk) | |
| 01:25 | In the CLI, ensure that the argument to quoteChar() is not a NULL pointer due to a prior OOM. (check-in: 776d1a47 user: drh tags: trunk) | |
|
2023-05-02
| ||
| 21:26 | Merge the latest trunk enhancements into the reuse-schema branch. (check-in: d08fa7d4 user: drh tags: reuse-schema) | |
| 19:58 | Merge the latest trunk enhancements into the wal2 branch. (check-in: 0215dcc7 user: drh tags: wal2) | |
| 17:33 | Allow for lower-case "nan" to mean NaN in JSON. (check-in: 6bee0a19 user: drh tags: trunk) | |
| 16:34 | Interpret negative arguments to sqlite3_sleep() as zero. (check-in: 2b542326 user: drh tags: trunk) | |
| 11:12 | Improved handling of NULL arguments to json_valid() and json_error_position(). Forum post 06c6334412. (check-in: ab78e694 user: drh tags: trunk) | |
| 10:22 | Fix typo in comment. Forum post 3da7d9c445. (check-in: 41a8a15c user: drh tags: trunk) | |
| 00:33 | Minor code change in the CLI to make a UAF warning from scan-build go away. (check-in: ad6aae76 user: drh tags: trunk) | |
|
2023-05-01
| ||
| 20:42 | Fix harmless compiler warnings. (check-in: 342af5b4 user: drh tags: trunk) | |
| 20:09 | The gcc definition of the SQLITE_INLINE macro is not compatible with string ANSI, so disable it if the -std=c89 command-line option is used. (check-in: 62d703d8 user: drh tags: trunk) | |
| 19:59 | Fix harmless compiler warnings in FTS5. (check-in: f6210017 user: drh tags: trunk) | |
| 18:52 | Fix harmless compiler warnings. (check-in: 0a926994 user: drh tags: trunk) | |
| 18:28 | Add support for JSON5. (check-in: f8c3ed23 user: drh tags: trunk) | |
| 15:57 | New enhancements to the sqlite3_db_config() constants documentation. (check-in: d74011a3 user: drh tags: trunk) | |
| 14:50 | Fix typos in documentation comments in sqlite3.h. (check-in: 6a8b0078 user: drh tags: trunk) | |
| 14:06 | • Edit [c70a61d8fbfb7226|c70a61d8]: Edit check-in comment. (artifact: c47992da user: drh) | |
| 14:00 | • Edit [5a09191186bc03b3|5a091911]: Edit check-in comment. (artifact: 36728327 user: drh) | |
| 11:24 | Do not apply the "AND false" optimization if either operand comes from the ON clause of a join. Fix for the problem identified by forum post 96cd4a7e9e. (check-in: d095da0e user: drh tags: trunk) | |
| 03:56 | Fix abbreviated paths for objects such that they work even if the object key begins with '$'. (Closed-Leaf check-in: 1b991c78 user: drh tags: json5) | |