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200 most recent check-ins using file test/offset1.test version f06b83657b
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2024-09-18
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| 18:04 | Improvements to the scope of valueFromFunction(). (Leaf check-in: b021399a6e user: drh tags: branch-3.28) | |
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2024-06-07
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| 00:20 | Allow the query planner access to the argument of LIMIT even if that argument is a bound parameter. (check-in: 148d505ca0 user: drh tags: branch-3.28) | |
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2024-06-06
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| 16:06 | Better optimize queries that use parameters in the LIMIT clause. (Closed-Leaf check-in: b44f267671 user: drh tags: branch-3.28-var-in-limit) | |
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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. (check-in: 357d9513d2 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: 1f97086d62 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: 74b247d958 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: f10d4fc4a8 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: f9c6e6a710 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: d4bfa8d21a 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: 796a65fa61 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: 83a7f13edb 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: ad6ac5d3e8 user: drh tags: branch-3.28) | |
| 19:04 | Back-port omit-unused-subquery-column enhancements into the 3.28 branch. (check-in: 57a4e91f43 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: 0163b697dd 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: 0c21b6a5f8 user: drh tags: branch-3.26) | |
| 01:21 | Update test cases so that they work with TCL 8.7 and later. (check-in: e9b762de0e 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: a7cbf30808 user: drh tags: branch-3.26) | |
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2022-12-18
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| 10:27 | WIP, pre-sync-to-trunk check-in to capture extensive changes to shell source. (WASM and usual shell tweaks) (check-in: 3db119c8d7 user: larrybr tags: cli_extension) | |
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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: 3d1992de47 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: 3da1032878 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: 73edd93adf 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: e3754cc188 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: ba6bf33147 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: 68d86f2b20 user: drh tags: branch-3.28) | |
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2022-08-04
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| 14:02 | Fix a typo on a comment used to generate bytecode documentation. (check-in: 64348d0b66 user: drh tags: trunk) | |
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2022-08-03
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| 19:53 | Performance optimization to the math opcodes of the bytecode engine. (check-in: 597347d9c3 user: drh tags: trunk) | |
| 19:37 | Small performance increase on the binding interfaces. (check-in: aab24c37fb user: drh tags: trunk) | |
| 17:27 | Improvement on the previous check-in. (check-in: 0d0c31117a user: drh tags: branch-3.39) | |
| 17:26 | Improvement on the previous check-in. (check-in: c1ab0ea295 user: drh tags: trunk) | |
| 16:04 | For an IN operator used with a RIGHT JOIN, use the number of terms in the vector, not the number of equality terms, to size the column map. dbsqlfuzz 14cfdad6ca45e607163f54049ddf5065183dc657. (check-in: 003e4eee6b user: drh tags: branch-3.39) | |
| 15:58 | For an IN operator used with a RIGHT JOIN, use the number of terms in the vector, not the number of equality terms, to size the column map. dbsqlfuzz 14cfdad6ca45e607163f54049ddf5065183dc657, CVE-2022-3195. This problem was injected by [a193749730d6cfba] which was part of the RIGHT JOIN enhancement for version 3.39.0. (check-in: b184c8d922 user: drh tags: trunk) | |
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2022-08-01
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| 13:17 | Bump the version number up to 3.39.3. (check-in: d0f7f22a8f user: drh tags: branch-3.39) | |
| 13:15 | In the xUpdate method of the GeoPoly virtual table, make sure that the number of updated columns does not exceed the underlying implementation, even if the virtual table object records an excess number of column in the nAux field due to table constraints in the table definition. Fix for the problem reported by forum post a096ab7d96bb057a. (check-in: a8ae721617 user: drh tags: branch-3.39) | |
| 13:14 | In the xUpdate method of the GeoPoly virtual table, make sure that the number of updated columns does not exceed the underlying implementation, even if the virtual table object records an excess number of column in the nAux field due to table constraints in the table definition. Fix for the problem reported by forum post a096ab7d96bb057a. A test case for this problem is in dbsqlfuzz. (check-in: a04dd475c2 user: drh tags: trunk) | |
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2022-07-26
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| 19:10 | Restore a VDBE coverage macro that is mistakenly deleted for check-in [92ac01d41d46ab73]. (check-in: 01de7ec44f user: drh tags: trunk) | |
| 18:43 | Fix another problem related to aggregate query LEFT JOIN flattening. (check-in: 8e12c6f59b user: dan tags: trunk) | |
| 15:41 | Omit a unused variable initialization in order to suppress a harmless compiler warning. (check-in: 2d703c5e94 user: drh tags: trunk) | |
| 15:39 | Add test cases related to fix [e717e029]. (Closed-Leaf check-in: 2909f36bfb user: dan tags: flatten-left-join) | |
| 15:32 | Make sure IF_NULL_ROW expressions receive a separate slot in the sorter used to implement GROUP BY. (check-in: 2bda4fca06 user: drh tags: flatten-left-join) | |
| 14:37 | Improved AggInfo.aCol debugging output, intended to debug a problem with LEFT JOIN flattening into an aggregate query with GROUP BY. (check-in: e717e029bd user: drh tags: flatten-left-join) | |
| 10:16 | Add a OOM term to a single assert() statement. (check-in: 217fc3ebd4 user: drh tags: trunk) | |
| 01:20 | Performance optimization: avoid unnecessary calls to computeLimitRegisters(). (check-in: f48bd8f85d user: drh tags: trunk) | |
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2022-07-25
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| 23:34 | Fix an assert() that was made out-of-date by [b52393ac28debe98]. (check-in: db8230e80e user: drh tags: trunk) | |
| 23:01 | Performance optimization by only invoking sqlite3FkCheck() when it is actually needed. (check-in: 98b0e830bc user: drh tags: trunk) | |
| 22:31 | Performance optimization in sqlite3ViewGetColumnNames(). (check-in: 390717e688 user: drh tags: trunk) | |
| 22:02 | Fix a harmless compiler warning. (check-in: 9aba7417c6 user: drh tags: trunk) | |
| 21:37 | In-line a call to sqlite3ExprCode() in insert.c, for a size reduction and performance increase. (check-in: 35066b1446 user: drh tags: trunk) | |
| 20:21 | Performance optimization in computing the Expr.nHeight field. (check-in: 1798ce97c8 user: drh tags: trunk) | |
| 19:05 | Small performance increase and size reduction by splitting out the sqlite3VdbeGetLastOp() from sqlite3VdbeGetOp(). (check-in: 92ac01d41d user: drh tags: trunk) | |
| 16:06 | Fix an error in the aggregate query LEFT JOIN flattening optimization from [2cf373b10c9bc4cb] and further enhance that optimization so that it works even if there is a GROUP BY clause. (check-in: b52393ac28 user: drh tags: trunk) | |
| 15:54 | Allow subqueries on the right-hand side of a LEFT JOIN to be flattened even if they contain a GROUP BY clause. (Closed-Leaf check-in: 816da9a893 user: drh tags: flatten-left-join) | |
| 14:05 | TK_IF_NULL_ROW expressions must be accumulated in the same way as TK_COLUMN expressions in an aggregate query. Proposed fix for the problem identifyed by dbsqlfuzz 8e17857db2c5a9294c975123ac807156a6559f13. (check-in: 40d0880720 user: drh tags: flatten-left-join) | |
| 11:19 | If the LHS of a LEFT JOIN is flattened into an aggregate parent query, avoid executing OP_IfNullRow on an unopened cursor by disallowing the index-only optimization. (Later:) Does not work if automatic indexes are disabled. (Closed-Leaf check-in: dbe522b011 user: dan tags: nonworking-flatten-left-join) | |
| 11:04 | Reduce a timeout in walsetlk.test from 2000ms to 1100ms so that the test runs a bit faster. (check-in: 836fa09706 user: dan tags: trunk) | |
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2022-07-23
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| 12:51 | Simplifications to sqlite3FinishCoding() for a small size reduction and performance increase. (check-in: a995614b9a user: drh tags: trunk) | |
| 00:53 | Remove a branch that is no longer reachable due to the previous check-in. (check-in: 8b4d1b9317 user: drh tags: trunk) | |
| 00:44 | Use sqlite3ParserAddCleanup() rather than pParse->pConstExpr to implement sqlite3ExprDeferredDelete(). This is a better solution than check-in [c538d07535092722]. (check-in: 2a6f6971fa user: drh tags: trunk) | |
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2022-07-22
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| 20:48 | Updates to the 'vtshim' extension. (Leaf check-in: 163c6cdf93 user: mistachkin tags: xShadowName2) | |
| 20:24 | Add experimental 'xShadowName2' method for virtual table modules. (check-in: 57beb700c0 user: mistachkin tags: xShadowName2) | |
| 19:28 | Omit the EP_MemToken flag that was made obsolete by [e1f1cfe7f4387b60], for a size reduction and performance increase. (check-in: 28934a9d92 user: drh tags: trunk) | |
| 18:25 | In a TK_BLOB Expr node, the Expr.zToken might not be a well-formed BLOB literal if there has been a prior OOM. dbsqlfuzz 23871e5805d6c45b392f9b7aa1e8a2b98f3c27cd. (check-in: c538d07535 user: drh tags: trunk) | |
| 14:52 | Update the documentation for SQLITE_OPEN_NOFOLLOW to state more clearly that nothing in the database path is allowed to be a symbolic link. (check-in: de9222697b user: drh tags: trunk) | |
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2022-07-21
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| 18:37 | Fix harmless compiler warning seen with MSVC. (check-in: 648172de20 user: mistachkin tags: trunk) | |
| 16:07 | Merge the fixes from branch-3.39 into the reuse-schema branch. (check-in: 578538baf2 user: drh tags: reuse-schema-3.39) | |
| 15:24 | Version 3.39.2 (check-in: 698edb7753 user: drh tags: release, branch-3.39, version-3.39.2) | |
| 12:26 | In the query planner, restore the former aggressiveness in reordering of FROM clause terms that existed prior to version 3.39.0 for queries that contain no RIGHT or FULL JOINs. (check-in: 9141e873c5 user: drh tags: branch-3.39) | |
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2022-07-20
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| 20:36 | Make use of the sqlite3ExprDeferredDelete() interface in the previous check-in, and in another place where it might be helpful. (check-in: 22f90e9683 user: drh tags: trunk) | |
| 17:01 | Simplify the logic that converts the "1" expression in "ORDER BY 1" into a copy of the expression that defines the first output column. (check-in: 449935914c user: drh tags: branch-3.39) | |
| 16:42 | Simplify the logic that converts the "1" expression in "ORDER BY 1" into a copy of the expression that defines the first output column. Fix for CVE-2022-3034. Test case in TH3. (check-in: e1f1cfe7f4 user: drh tags: trunk) | |
| 10:09 | Merged in trunk. (check-in: d662796c65 user: stephan tags: wasm-cleanups) | |
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2022-07-19
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| 21:12 | Improve accuracy of julian day milliseconds calculation. (check-in: e5e9311863 user: larrybr tags: trunk) | |
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2022-07-18
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| 19:32 | Remove a few unsuitable scripts from the "veryquick" test suite. Also have every second testrunner.tcl process favour running test scripts that contain text like "testrunner: slow" before any others. (check-in: 22d280a5cd user: dan tags: trunk) | |
| 18:13 | Add the "testrunner" makefile target. (check-in: 954c659315 user: drh tags: trunk) | |
| 15:27 | Increase the size of loop variables in the printf() implementation to avoid integer overflow on multi-gigabyte string arguments. CVE-2022-35737. (check-in: 26db4fc22f user: drh tags: branch-3.39) | |
| 15:02 | Increase the size of loop variables in the printf() implementation to avoid integer overflow on multi-gigabyte string arguments. CVE-2022-35737. (check-in: aab790a16e user: drh tags: trunk) | |
| 13:55 | Enhance the REGEXP extension so that it will accept the start-of-input mark ("^") in the middle of parentheses. Forum post 0d6a9160f81ef1a8. (check-in: ed8a8ebd62 user: drh tags: trunk) | |
| 13:10 | Fix a problem in the REGEXP extension for the {M,N} construct where M is zero. See forum post 8694e55a2c29963c for more information. (check-in: af15bb7530 user: drh tags: trunk) | |
| 11:44 | Enhance the ext/misc/regexp.c code so that when it is compiled with SQLITE_DEBUG, a new function named regexp_bytecode() is available that prints out the compiled NFA as human-readable text, for debugging purposes. (check-in: cb5c08978f user: drh tags: trunk) | |
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2022-07-16
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| 18:08 | Fixes for the generated "mallocs.tcl" and "leaks.tcl" scripts generated by running tcl tests with the --malloctrace=1 option. (check-in: 449799e2d5 user: dan tags: trunk) | |
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2022-07-15
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| 20:39 | In the query planner, restore the former aggressiveness in reordering of FROM clause terms that existed prior to version 3.39.0 for queries that contain no RIGHT or FULL JOINs. (check-in: 92d60b64eb user: drh tags: trunk) | |
| 15:24 | Fix harmless compiler warnings seen with MSVC. (check-in: 2be8fa158e user: mistachkin tags: branch-3.39) | |
| 15:11 | Fix a memory leak in fts3 that could occur when processing a corrupt database. (check-in: 48f323b956 user: dan tags: branch-3.39) | |
| 15:08 | Fix a memory leak in fts3 that could occur when processing a corrupt database. (check-in: d74f6f6d51 user: dan tags: trunk) | |
| 12:34 | Fix the whereKeyStats() routine (part of STAT4 processing only) so that it is able to cope with row-value comparisons against the primary key index of a WITHOUT ROWID table. Forum post 3607259d3c. (check-in: 2a6f761864 user: drh tags: branch-3.39) | |
| 12:16 | Fix the whereKeyStats() routine (part of STAT4 processing only) so that it is able to cope with row-value comparisons against the primary key index of a WITHOUT ROWID table. Forum post 3607259d3c. (check-in: 0620e419a9 user: drh tags: trunk) | |
| 12:07 | Update some faulty assert() statements in fts3. (check-in: 958d104bcf user: dan tags: branch-3.39) | |
| 11:34 | Update some faulty assert() statements in fts3. (check-in: b072851be1 user: dan tags: trunk) | |
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2022-07-14
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| 21:17 | Ensure all testrunner.tcl processes use the same pending-byte value when accessing testrunner.db. Otherwise locking doesn't work and the db is corrupted. (check-in: b65225653e user: dan tags: trunk) | |
| 18:09 | Update testrunner.tcl so that it can run the test suites defined in permutation.test. (check-in: 15ce937ef4 user: dan tags: trunk) | |
| 01:54 | Bump the version number up to 3.39.2. (check-in: c4dbcb282d user: drh tags: branch-3.39) | |
| 01:49 | When applying the omit-ORDER-BY optimization, defer deleting the AST of the deleted ORDER BY clause until after code generation ends. (check-in: b88d6c4b81 user: drh tags: branch-3.39) | |
| 01:48 | When applying the omit-ORDER-BY optimization [85ddaf1b59a19cbd], defer deleting the AST of the deleted ORDER BY clause until after code generation ends. Fix for CVE-2022-3039. Test case in TH3. (check-in: f22f95b838 user: drh tags: trunk) | |
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2022-07-13
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| 21:28 | Fix testrunner.tcl so that it can detect the number of logical cores on osx. (check-in: 14918f2822 user: dan tags: trunk) | |
| 21:10 | Minor change to help message in testrunner.tcl. (check-in: e4f9cb01d7 user: dan tags: trunk) | |
| 21:02 | Add new script test/testrunner.tcl. For running a set of test scripts using multiple processes. (check-in: 0122e93dc1 user: dan tags: trunk) | |
| 20:26 | Fix a problem preventing "testrunnter.tcl all" from working. (Closed-Leaf check-in: 0ed1e83c6f user: dan tags: testrunner) | |
| 19:57 | Update testrunner.tcl to allow the user to specify which tests to run on the command line. (check-in: 900febcf36 user: dan tags: testrunner) | |
| 19:41 | Version 3.39.1 (check-in: 7c16541a0e user: drh tags: release, branch-3.39, version-3.39.1) | |
| 17:46 | Fix testrunner.tcl so that it checks for memory leaks. (check-in: 106f6724d5 user: dan tags: testrunner) | |
| 16:06 | The query flattener should not run if the subquery is a compound that contains a RIGHT JOIN in any arm and the subquery is not the first element of the outer query. Otherwise, prior elements of the outer query will not have the JT_LTORJ flag set. Fix for the problem reported in forum post 174afeae5734d42d. (check-in: cf9ed7f2e1 user: drh tags: branch-3.39) | |
| 15:52 | The query flattener should not run if the subquery is a compound that contains a RIGHT JOIN in any arm and the subquery is not the first element of the outer query. Otherwise, prior elements of the outer query will not have the JT_LTORJ flag set. Fix for the problem reported in forum post 174afeae5734d42d. (check-in: 274e244c85 user: drh tags: trunk) | |
| 11:27 | Fix test case error messages so that they work with after the removal of the unnecessary zErrMsg clearing from [44d77a7f807f5dc3]. (check-in: 7b167b87d6 user: drh tags: branch-3.39) | |
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2022-07-12
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| 20:31 | Add test/testrunner.tcl, an experimental script for distributing the work of veryquick.test between multiple processes. (check-in: ef229cbb7f user: dan tags: testrunner) | |
| 15:53 | Renamed the SQLITE_SHELL_WASM_WEB_MODE to SQLITE_SHELL_FIDDLE, which seems to be more in line with project convensions and indicates that that flag is only intended for /fiddle mode, as opposed to arbitrary wasm-on-the-web use. (check-in: d1d019bfa2 user: stephan tags: trunk) | |
| 15:17 | Fix another test case error message similar to those fixed in [b3d6b3c3]. (check-in: 6d0f677291 user: dan tags: trunk) | |
| 15:12 | Update makefiles to fix building the non-amalgamation testfixture with SQLITE_DEBUG. (check-in: 1ca7056417 user: dan tags: branch-3.39) | |
| 15:10 | Update makefiles to fix building the non-amalgamation testfixture with SQLITE_DEBUG. (check-in: d9c4a9d09b user: dan tags: trunk) | |
| 10:46 | Fix a bug in wapptest.tcl introduced by [51255bad4c1fb607]. (check-in: b26d097e09 user: drh tags: trunk) | |
| 09:40 | Renamed SQLITE_SHELL_WASM_MODE to SQLITE_SHELL_WASM_WEB_MODE and no longer automatically enable it if __EMSCRIPTEN__ is defined, in order to facilitate using Emscripten to build the shell for CLI-based WASM runtimes (which cannot make use of the web-specific user input changes). The fiddle build now explicitly passes the new flag on at compile-time. (check-in: ee059ad5a8 user: stephan tags: trunk) | |
| 07:13 | Back out the pager performance enhancement at [a1c090e08139f99d3], because it turns out we should never allow a zero key into the pcache interface according to the design specs, even if that page is immediately released without ever being used. (check-in: ec96293ead user: drh tags: trunk) | |
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2022-07-11
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| 22:20 | Add the --config option to wapptest.tcl. The argument is a glob pattern. All configurations must match the glob pattern in order to run. The default value is "*". (check-in: 51255bad4c user: drh tags: trunk) | |
| 21:40 | Update the expected error messages in some OOM test cases to account for [44d77a7f807]. (check-in: b3d6b3c3fc user: dan tags: trunk) | |
| 19:48 | Use 64-bit memory allocation APIs in the sqlite_stmt virtual table, to avoid harmless compiler warnings. (check-in: 4c40b38cbe user: drh tags: branch-3.39) | |
| 19:47 | Use 64-bit memory allocation APIs in the sqlite_stmt virtual table, to avoid harmless compiler warnings. (check-in: afb9e60ee3 user: drh tags: trunk) | |
| 19:29 | Fix harmless compiler warnings. (check-in: 9931bb202e user: drh tags: branch-3.39) | |
| 19:12 | In the sqlite_stmt extension, store the result of strlen() in a 64-bit integer to avoid a compiler warning, even though we know that the length will always fit comfortably in 32 bits. (check-in: 3fe1945249 user: drh tags: trunk) | |
| 18:26 | Fix harmless compiler warnings about unused debugging functions in treeview.c. (check-in: 4d6f907712 user: drh tags: trunk) | |
| 18:11 | Back out the optimization at [1a8c2e54375ee2cf7] because there are some cases where it does not work. (check-in: fe39c8d5fd user: drh tags: trunk) | |
| 14:44 | Increase the version number to 3.39.1. (check-in: 88b1b0327f user: drh tags: branch-3.39) | |
| 14:43 | Ensure that the Parse.nErr flag is set following an SQLITE_TOOBIG error on a nested parse. Fix for the problem identified by forum post d5a82ba9eedee30c. Also, remove unnecessary clearing of the Parse.zErrMsg field following a nested parse. (check-in: eaef7b7190 user: drh tags: branch-3.39) | |
| 14:39 | Fix a problem in fts3 to do with deferred tokens and OR expressions. (check-in: bbe999e345 user: drh tags: branch-3.39) | |
| 14:36 | Ensure that the Parse.nErr flag is set following an SQLITE_TOOBIG error on a nested parse. Fix for the problem identified by forum post d5a82ba9eedee30c. Also, remove unnecessary clearing of the Parse.zErrMsg field following a nested parse. (check-in: 44d77a7f80 user: drh tags: trunk) | |
| 14:26 | Fix a problem in fts3 to do with deferred tokens and OR expressions. (check-in: d0bfe5c574 user: dan tags: trunk) | |
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2022-07-10
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| 21:12 | When an OOM occurs and sets the Parse.nErr value, also set the Parse.nErr value for all outer Parse objects. dbsqlfuzz d33f60aaa67733aa700cd69dacf8e0e23a327a29 (check-in: 9a494d2594 user: drh tags: trunk) | |
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2022-07-08
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| 20:03 | Performance optimizations in the WHERE clause processing of the query planner. (check-in: 50c8e8de52 user: drh tags: trunk) | |
| 18:23 | Omit an unnecessary structure initialization in whereLoopAddAll(), replacing it with an assert() to show that the initialization has already occurred, for a small performance increase and size reduction. (check-in: 27be9e9634 user: drh tags: trunk) | |
| 17:57 | Size reduction and performance optimization in whereLoopAddBtreeIndex(). (check-in: 64d2312c12 user: drh tags: trunk) | |
| 16:56 | In wherePathSolver(), defer initializing variables until they are actually needed, in case they are not needed. This gives a small performance increase. (check-in: 6f28a9652a user: drh tags: trunk) | |
| 15:06 | Upgrade the TEA build system used to build the Tcl package. (check-in: ace65da8fa user: dan tags: trunk) | |
| 13:57 | Fix typo in autoconf/tea/win/makefile.vc. (Closed-Leaf check-in: 094b2aadd5 user: dan tags: tea-upgrade) | |
| 11:55 | Remove an obsolete statement from a comment. No changes to code. (check-in: 99afb3f41b user: drh tags: trunk) | |
| 11:21 | Update options in the TEA package msvc makefile to match other builds. (check-in: d72e12b99d user: dan tags: tea-upgrade) | |
| 11:14 | Update the build options used for the TEA package to match those used to build the binaries at download.html. (check-in: 9d6d9dba66 user: dan tags: tea-upgrade) | |
|
2022-07-07
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| 22:59 | Very small size reduction and performance increase in btree.c. (check-in: 9a7c031a82 user: drh tags: trunk) | |
| 21:04 | Size reduction and performance increase in defragementPage() of btree.c. (check-in: 1b03f197b5 user: drh tags: trunk) | |
| 20:49 | Upgrade the TEA build system in autoconf/tea/. To match tclconfig commit 20fe9e6f59 and Tcl Sample Extension be47fb0446. (check-in: 1531f73918 user: dan tags: tea-upgrade) | |
| 20:29 | Size reduction and performance increase in the pageFindSlot() routine of btree.c. (check-in: 5d247e3856 user: drh tags: trunk) | |
| 20:11 | Size reduction and performance increase in the freeSpace() routine of btree.c. (check-in: 7d7aed053f user: drh tags: trunk) | |
|
2022-07-06
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| 23:50 | Fix harmless compiler warnings seen with MSVC. (check-in: 61e2094afb user: mistachkin tags: trunk) | |
| 15:44 | Avoid ignoring the last line of a csv file if the final field is empty and there is no trailing CFLS. Also have the csv extension treat the last line of a file in the same way as any other line if it is short fields. (check-in: 587795d47f user: dan tags: trunk) | |
| 13:59 | Avoid dropping error codes in the xBegin() method of virtual table sqlite_dbpage. (check-in: 570e2bce59 user: dan tags: trunk) | |
|
2022-07-05
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| 19:56 | Fix for builds with both SQLITE_DEBUG and SQLITE_OMIT_WINDOWFUNC defined. (check-in: dfe46de2d4 user: dan tags: branch-3.39) | |
| 19:53 | Fix for builds with both SQLITE_DEBUG and SQLITE_OMIT_WINDOWFUNC defined. (check-in: 77916947ce user: dan tags: trunk) | |
| 17:49 | Fix a problem in the csv extension that was triggered when the very first field in the csv file is zero bytes in size. (check-in: b12ddabf07 user: dan tags: trunk) | |
| 10:40 | Fix an assert() in btree to be more precise, as the previous form of that asser might fail due to recent performance optimizations. (check-in: 4774938134 user: drh tags: trunk) | |
|
2022-07-04
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| 15:14 | Size reduction and performance optimization in sqlite3WalFindFrame(). (check-in: 1a8c2e5437 user: drh tags: trunk) | |
| 09:41 | In the getNormalPage() routine of pager.c, consolidate pgno error checking into a single spot for small size reduction and performance increase. (check-in: a1c090e081 user: drh tags: trunk) | |
|
2022-07-03
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| 18:12 | Enhance the REGEXP extension so that the end-of-input indicate ("$") is allowed to occur on one branch of an OR ("|"). Forum post 0107d5d40dd273e2, second issue. (check-in: 3c04d21e6c user: drh tags: trunk) | |
| 14:32 | Fix the initial-prefix optimization for the REGEXP extension such that it works even if the prefix contains characters that require a 3-byte UTF8 encoding. This should fix the problem reported by forum post 96692f8ba5. (check-in: 7a32ccccef user: drh tags: branch-3.39) | |
| 14:25 | Fix the initial-prefix optimization for the REGEXP extension such that it works even if the prefix contains characters that require a 3-byte UTF8 encoding. This should fix the problem reported by forum post 96692f8ba5. (check-in: c94595a6e1 user: drh tags: trunk) | |
| 11:16 | Improved comment on sqlite3VdbeSwap(). No changes to code. (check-in: 6a8e4fb72a user: drh tags: trunk) | |
| 11:12 | Remove debugging code that has always been commented out. Cosmetic change. (check-in: b54064170c user: drh tags: trunk) | |
|
2022-07-01
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| 21:03 | Do not attempt the OP_Count optimization on queries with HAVING clauses. This fixes a problem exposed by [2cf373b10c9bc4cb]. (check-in: 566b7842ee user: dan tags: trunk) | |
| 19:42 | Performance improvement in resolveP2Values(). Save over 1 million CPU cycles by omitting the loop termination condition and exiting when the OP_Init (always the first opcode in any VDBE program) is encountered. (check-in: bb179140c8 user: drh tags: trunk) | |
| 12:09 | In the sqlite_stmt virtual table, add two ALWAYS() macros on branches that have been come always true due to the [84a91c255e3d7772] optimization. REVISED: Dbsqlfuzz found a case where the ALWAYS() is false. (Closed-Leaf check-in: bf34eddb66 user: drh tags: mistake) | |
|
2022-06-30
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| 22:46 | Small performance improvement to sqlite3_finalize(). (check-in: 8a6913b66c user: drh tags: trunk) | |
| 14:19 | Fix documentation and test-script typos and a dependency problem on a Makefile. Fix the sqlite_stmt extension virtual table so that it shows the state of all prepared statements for a single instant in time. (check-in: 0a9e08be6d user: drh tags: branch-3.39) | |
| 11:01 | Add missing "finish_test" command to the end of test script merge1.test. (check-in: 13cb3f1e63 user: dan tags: trunk) | |
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2022-06-29
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| 15:16 | Have the sqlite_stmt table buffer all data for the current scan within the xFilter method. (check-in: 84a91c255e user: dan tags: trunk) | |
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2022-06-28
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| 21:52 | Merge latest fixes from begin-concurrent-pnu-wal2 branch. (Leaf check-in: 77fe737610 user: dan tags: begin-concurrent-report-wal2) | |
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2022-06-27
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| 21:43 | Merge in fix for wal2 recovery. (check-in: 41d4f14bc6 user: dan tags: begin-concurrent-pnu-wal2) | |
| 21:42 | Fix a problem causing false corruption reports following recovery of a *-wal file that contains one or more transactions and a *-wal2 file that contains a valid header but no valid transactions. (check-in: f6eafb65a4 user: dan tags: wal2) | |
| 11:28 | Fix a missing dependency for json.lo in Makefile.in (check-in: 65930a5c06 user: drh tags: trunk) | |
|
2022-06-25
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| 21:41 | wasm: corrected the isInt32() check to account for negative values. (check-in: 7223f4bb58 user: stephan tags: wasm-cleanups) | |
| 20:32 | Put an ALWAYS() on an unreachable branch. (check-in: 58caa50a41 user: drh tags: trunk) | |
| 19:43 | Allow flattening of a subquery that is the right operand of a LEFT JOIN in an aggregate query as long as there is no GROUP BY clause. (The GROUP BY clause will interfere with the operation of the TK_IF_NULL_ROW expression nodes.) (check-in: 2cf373b10c user: drh tags: trunk) | |
| 19:30 | Increase the version number to 3.40.0 so as to begin the next development cycle. (check-in: 4542e32302 user: drh tags: trunk) | |
| 19:07 | wasm: added bindings for sqlite3_extended_result_codes(), sqlite3_open_v2(), and the SQLITE_OPEN_... flags. (check-in: ac876ab991 user: stephan tags: wasm-cleanups) | |
| 18:55 | Fix documentation type. forum post 8d900996ed. (check-in: 869061f18d user: drh tags: trunk) | |
| 18:18 | wasm: lots of doc additions and refactoring. Refactored the WASM memory heap usage to hopefully eventually account for a runtime-growable heap. Differentiate between supported TypedArray types for input SQL strings vs binding/fetching blobs. Might (untested) have implemented the ability to bind UtfNNArray values as blobs, where NN is one of 16 or 32. (check-in: e10d57dfba user: stephan tags: wasm-cleanups) | |
| 17:20 | Merge version 3.39.0 into the reuse-schema branch. (check-in: bee9903df5 user: drh tags: reuse-schema) | |
| 17:08 | Merge version 3.39.0 into the begin-concurrent-pnu-wal2 branch. (check-in: 09cfef38da user: drh tags: begin-concurrent-pnu-wal2) | |
| 16:53 | Merge version 3.39.0 into the wal2 branch. (check-in: ad3a7005e7 user: drh tags: wal2) | |
| 16:43 | Merge version 3.39.0 into the begin-concurrent-report branch. (check-in: 7726389cd5 user: drh tags: begin-concurrent-report) | |
| 16:24 | Merge version 3.39.0 into the begin concurrent branch. (check-in: fb45624a31 user: drh tags: begin-concurrent) | |
| 14:57 | Version 3.39.0 (check-in: 14e166f40d user: drh tags: trunk, release, major-release, version-3.39.0) | |
| 10:30 | wasm: added utility C code to generate a JSON-format "enum" of the numerous SQLITE_xyz constants so that we do not risk those getting out of sync in the JS code. Renamed initSqlite3Module to sqlite3InitModule. Cleanups in the TypedArray handling. (check-in: 778062e3b4 user: stephan tags: wasm-cleanups) | |
| 07:42 | wasm: eliminated the need for Stmt objects to keep ahold of memory allocated for bound strings and blobs. Added alternate string/blob bind impls which are hypothetically more efficient but not yet proven to be so. (check-in: da1d3151a4 user: stephan tags: wasm-cleanups) | |
| 06:46 | wasm: eliminated the dependency on the deprecated emcc-provided allocate() function. Adjacent cleanups in blob binding. (check-in: 140618b212 user: stephan tags: wasm-cleanups) | |
| 03:53 | wasm: corrected the propagation of text/blob values via UDFs. DB.exec()'s sql may now be an array of strings which get concatenated together before passing it on to sqlite3_prepare_v2(). DB.exec()'s callback now applies to the first statement which has result columns instead of only the first statement. Fixed a precedence but which caused isInt32() to report false positives. (check-in: 37a8fecb56 user: stephan tags: wasm-cleanups) | |
| 02:54 | Minor wasm doc tweaks. (check-in: 42dc500819 user: stephan tags: wasm-cleanups) | |
| 02:39 | Change a harmless assert() into a testcase(). The actually test case code is in TH3. Fix for the problem described at forum post ed29e196d5c4f3d5. (check-in: cd6254fcd3 user: drh tags: trunk) | |
| 02:37 | wasm binding: consolidated the two sqlite3_prepare_v2() bindings behind a single dispathcer. Various internal cleanups and refactoring. Branched because trunk is in pencils-down mode for pending 3.39 release. (check-in: ab3e50dab4 user: stephan tags: wasm-cleanups) | |
|
2022-06-24
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| 16:15 | Merge the 3.39.0 release candidate 1 changes into the reuse-schema branch. (check-in: 506a3e6f24 user: drh tags: reuse-schema) | |
| 15:26 | Merge the latest changes into the begin-concurrent-pnu-wal2 branch. (check-in: d3fa692179 user: drh tags: begin-concurrent-pnu-wal2) | |
| 15:15 | Merge 3.39.0 release candidate 1 into the wal2 branch. (check-in: 5a5e6e368f user: drh tags: wal2) | |
| 15:04 | Merge the version 3.39.0 release candidate 1 changes into the begin-concurrent-report branch. (check-in: 1b28ad2caa user: drh tags: begin-concurrent-report) | |
| 14:55 | Merge 3.39.0 release candidate 1 changes into the begin-concurrent branch. (check-in: 5ae706a401 user: drh tags: begin-concurrent) | |
| 12:56 | Fix a harmless UBSAN warning associated with PRAGMA schema_version found by OSSFuzz. (check-in: e93fd170ce user: drh tags: trunk) | |
| 11:05 | In sqlite3WhereBegin, do not proceed with coding the loop if an error is detected as part of WHERE expression analysis. For for the assertion-fault described by forum post c3496cf6b1. (check-in: db5266dec6 user: dan tags: trunk) | |
| 11:02 | A minor fix to test/fuzzinvariants.c so that it works even with column names that originally contain a ':' and that are disambiguated. (check-in: 8d9b1fff9d user: drh tags: trunk) | |
|
2022-06-23
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| 22:43 | New test cases for query flattening with LEFT JOIN. (Closed-Leaf check-in: 27f68e4732 user: drh tags: flatten-left-join) | |
| 20:56 | Reintroduce flattener constraint (3c), but this time make it apply only if the outer query holds a GROUP BY, not if the outer query is an aggregate. (check-in: 641dfb9182 user: drh tags: flatten-left-join) | |
| 15:15 | Add back the ability to flatten a LEFT JOIN subquery - previously removed due to ticket [cad1ab4cb7b0fc344]. (check-in: f8fe936ad4 user: drh tags: flatten-left-join) | |
| 12:36 | Minor correction to a comment. No code changes. (check-in: 5fa00959eb user: drh tags: trunk) | |
|
2022-06-22
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| 18:51 | Enhance the TCL scrip that generates sqlite3-all.c so that it outputs all text in its original order. (check-in: 83ff1a28e3 user: drh tags: trunk) | |
| 18:33 | Fix requirements marks that changed due to typo fixes in the documentation. (check-in: 5247df0599 user: drh tags: trunk) | |
| 15:55 | More comment fixes. No changes to code. (check-in: 5c9133ef43 user: drh tags: trunk) | |
| 14:43 | Allow more line with on the debugging output for SrcItem elements in the parse tree. This affects debugging builds only and is a no-op for production builds. (check-in: edbe24e7fc user: drh tags: trunk) | |
| 14:25 | Additional enhancements to comments. No changes to code. (check-in: d9a320448f user: drh tags: trunk) | |