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53 check-ins using file src/vdbemem.c version db0458d11a
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2023-04-08
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| 19:23 | Fix a typo in [83e84531b46814ae] that changed the value of SQLITE_DBCONFIG_STMT_SCANSTATUS. (check-in: b717765391 user: drh tags: trunk) | |
| 16:51 | Faster implementation of keywordCode() - the routine that determines if an identifier is really a keyword and if so, which keyword. (check-in: 0ff3d3d537 user: drh tags: trunk) | |
| 13:31 | Fix a harmless compiler warning. (check-in: c9559ba621 user: drh tags: trunk) | |
| 13:01 | Optimizations to btree.c save about 4.5 million CPU cycles: (1) Clone insertCell() into a separate insertCellFast() routine for use by sqlite3BtreeInsert(). (2) Mark allocateSpace() as always-inline. (3) Improved coalesence of adjacent free blocks in pageFreeArray(). (check-in: 5c12c400fe user: drh tags: trunk) | |
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2023-04-07
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| 18:27 | Guard against oversized cells in the newly enhanced pageFreeArray(). (Closed-Leaf check-in: 2dcdbb5035 user: drh tags: btree-freespace-opt) | |
| 16:30 | Add NEVER on an unreachable branch. (check-in: 9b3febbd98 user: drh tags: btree-freespace-opt) | |
| 15:49 | Fix an assert(). (check-in: 7eff46ba97 user: drh tags: btree-freespace-opt) | |
| 15:07 | Tweaks to the new insertCellFast(). (check-in: 203a581a91 user: drh tags: btree-freespace-opt) | |
| 14:33 | Clone insertCell() into insertCellFast() for use by sqlite3BtreeInsert() for a substantial performance increase. (check-in: f225afd90c user: drh tags: btree-freespace-opt) | |
| 14:03 | Fix a problem causing the rbu_exclusive_checkpoint=1 to be ignored with zipvfs databases. (check-in: d8f50b31e8 user: dan tags: trunk) | |
| 13:21 | Small performance improvement in freeSpace(). (check-in: 8dc5292ee5 user: drh tags: btree-freespace-opt) | |
| 11:55 | Try to use a heap to make coalescence of adjacent free slots faster when freeing space on a btree page. Turns out that the overhead of managing the heap overwhelms any performance gain and the result is slower. (Closed-Leaf check-in: 5d7e833f25 user: drh tags: deadend) | |
| 11:18 | Add further tests for the rbu_exclusive_lock=1 URI option. (check-in: c07b62bef9 user: dan tags: trunk) | |
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2023-04-06
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| 20:14 | Increase the size of the cache of free blocks inside of pageFreeArray() to reduce the number of calls to freeSpace(). (check-in: 27c59f1ea7 user: drh tags: btree-freespace-opt) | |
| 17:29 | Work around a harmless assertion fault associated with sqlite3VdbeMemAboutToChange() such that the detection of stale values in registers is preserved in debugging builds, but we avoid a false-positive assertion fault in cases involving a virtual table with a LIMIT clause in an IN-operator loop. dbsqlfuzz 3fd70d4ab4950acf1deb8f610a7a7c67cd38713b (check-in: 56ea2c2fe6 user: drh tags: trunk) | |
| 13:35 | A prepared statement that aborts due to SQLITE_SCHEMA should not invalidate cursors in other prepared statements that are already running. See forum post cae4367d9b for the original trouble report. (check-in: 857d0f5e16 user: drh tags: trunk) | |
| 01:05 | In the CLI, during error processing while looking for a word boundary, avoid being deceived by malformed input that has a very long sequence of 0x80 characters. forum post ab93a23ba1. (check-in: 82609d5a2d user: drh tags: trunk) | |
| 00:59 | In the zipfile extension, defend against corrupt ZIP files that contain a zero-length filename. Forum post b15f5e3ad8. (check-in: 46db2e42a5 user: drh tags: trunk) | |
| 00:18 | In the new .scanstatus command in the CLI, make sure the database is opened before invoking sqlite3_db_config(). Forum post 6e26dcf544. (check-in: 1cd993c45c user: drh tags: trunk) | |
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2023-04-05
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| 02:55 | Add a test case for the ALWAYS() macro removed by the previous check-in. (check-in: 68a1a83749 user: drh tags: trunk) | |
| 02:50 | Remove an ALWAYS() that might now be false due to the prior check-in. (check-in: fc68993501 user: drh tags: trunk) | |
| 02:21 | Fix the function that determines the collating function for an expression tree to handle new cases that arise as a result of the recently added ability to use indexed expressions in aggregate queries. [forum/forumpost/0713a16a44|Forum post 0713a16a44]. (check-in: cc5041f3f0 user: drh tags: trunk) | |
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2023-04-04
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| 19:56 | Shell to use SQLITE_SHELL_HAVE_RECOVER consistently (correcting check-in 0421cc03e0efa8f1) (check-in: 5b980d72a0 user: larrybr tags: trunk) | |
| 18:55 | Fix an incorrect entry in the array that maps sqlite3_value values into actual datatype numbers. dbsqlfuzz f660c659bcec48577a43d3bab37f46baaa22f59e (check-in: fa8537dc90 user: drh tags: trunk) | |
| 18:10 | Remove an assert() statement that is no longer valid due to enhancements to query planner for improved use of indexes. Forum post dc16ec63d3. (check-in: 2b23dd249d user: drh tags: trunk) | |
| 17:35 | Expose the new SQLITE_VTAB_USES_ALL_SCHEMAS to JS. (check-in: b7ef09be66 user: stephan tags: trunk) | |
| 08:49 | Omit shell call to sqlite3_dbdata_init() when it is omitted. (check-in: 0421cc03e0 user: larrybr tags: trunk) | |
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2023-04-03
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| 23:49 | When translating arguments of aggregate functions into references to expression indexes, make sure to only translate them for the current aggregate when there are nested aggregates. Forum post 409ebc7368. (check-in: 898bfa1afd user: drh tags: trunk) | |
| 20:11 | Improved diagnostic output from PRAGMA vdbe_addoptrace. (check-in: 050958c182 user: drh tags: trunk) | |
| 17:46 | When changing a COLLATE expression node into TK_AGG_COLUMN because the nodes value is contained in an indexed expression, be sure to clear the EP_Collate property from the expression node. Fix for the assertion faults reported by forum post e45108732c and forum post 44270909bb. (check-in: cf6454ce26 user: drh tags: trunk) | |
| 15:01 | Add the SQLITE_VTAB_USES_ALL_SCHEMAS option to sqlite3_vtab_config(). Update the sqlite_dbpage, sqlite_dbdata, and sqlite_dbptr virtual tables to make use of that interface. This was formerly handled by the internal sqlite3VtabUsesAllSchemas() routine that was called directly from sqlite_dbpage. But since sqlite_dbdata and sqlite_dbptr are an extension, an external interface to that functionality had to be provided. dbsqlfuzz 1a29c245175a63393b6a78c5b8cab5199939d6a8 (check-in: bcd51abee0 user: drh tags: trunk) | |
| 12:48 | Make the sqlite_dbdata and sqlite3_dbptr virtual tables accessible to the CLI. (check-in: c0eff02854 user: drh tags: trunk) | |
| 12:33 | Stronger constraint checking in allocateSpace(). dbsqlfuzz 93d4c9ff5ef7cd29f16e767af1ee71c29ec5a4c0 (check-in: 9e968f4fbc user: drh tags: trunk) | |
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2023-04-02
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| 20:56 | With the -DSQLITE_ENABLE_JSON_NAN_INF compile-time option, non-standard JSON numeric values "Inf", "Infinity", "-Inf", "-Infinity", "NaN", "QNaN", and "SNaN" are all accepted. SQLite should never generate these values, but it will accept that with the appropriate compile-time option. (check-in: 0a050e9013 user: drh tags: trunk) | |
| 20:46 | More off-by-one errors in the new JSON parsing. (Closed-Leaf check-in: dbc9966208 user: drh tags: json-nan-inf) | |
| 20:27 | Fix an off-by-one error in the recognition of -Infinity. (check-in: f7ebf3e628 user: drh tags: json-nan-inf) | |
| 16:43 | Earlier detection of corruption in sqlite3BtreeDelete(). dbsqlfuzz a4c48c291d6e40157a1b749a05eaa7c7faf5a625. (check-in: 978dc71c38 user: drh tags: trunk) | |
| 14:53 | Clear executable bit on base64.c (check-in: ec1ddbce7d user: larrybr tags: trunk) | |
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2023-04-01
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| 23:29 | Allow special floating-point value names in JSON: "inf", "-inf", "infinity", "-infinity", "nan", "qnan", and "snan". All are converted into valid JSON values: 9e999, -9e999, or null. Requires the SQLITE_ENABLE_JSON_NAN_INF compile-time option to operate. (check-in: fc8793e5ac user: drh tags: json-nan-inf) | |
| 16:14 | Swat grammar nit on README.md (check-in: 715c00e58b user: larrybr tags: trunk) | |
| 15:51 | Fix harmless compiler warnings. (check-in: a4fb2864fe user: drh tags: trunk) | |
| 13:14 | Improved error messages from PRAGMA integrity_check. Identify the root of the tree when a problem is found in a b-tree, making it easier to track the problem to a specific table or index. (check-in: a1cb152e69 user: drh tags: trunk) | |
| 12:22 | In the b-tree module use %u instead of %d to print unsigned quantities such as page numbers and offsets. (check-in: 33ac62d8ee user: drh tags: trunk) | |
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2023-03-31
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| 23:48 | Omit the the count-of-view optimization if there is a HAVING clause. This fixes a problem that originated with check-in [9322a7c21f1c22ba]. dbsqlfuzz 6a107e3055bd22afab31cfddabc2d9d54fcbaf69 (check-in: babe2b5e59 user: drh tags: trunk) | |
| 16:27 | Merge recent trunk fixes into the nan-inf branch. (Leaf check-in: a51fb9d72c user: drh tags: nan-inf) | |
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2023-03-30
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| 19:05 | Earlier error detection for index expression usage by aggregate functions. dbsqlfuzz 29214ace4e25c98d2ddff8fbcf97afdda23f28b9 (check-in: 8e841e7f02 user: drh tags: trunk) | |
| 16:08 | Omit a branch that is no longer needed following [c9c4f287652933eb]. (check-in: 960a488a2d user: drh tags: trunk) | |
| 12:19 | Fix an error in new test script test/aggfault.test. (check-in: 8724fe7426 user: dan tags: trunk) | |
| 11:05 | Fix a crash that could follow an OOM error while processing aggregate functions. (check-in: 804435a273 user: dan tags: trunk) | |
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2023-03-29
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| 21:58 | Avoid having OP_SeekScan jump over an OP_IdxGT or OP_IdxGE that follows the OP_SeekGE opcode. Fix for [b50528af4468237c]. (check-in: c9c4f28765 user: dan tags: trunk) | |
| 18:54 | Fix a problem with sqlite3_stmt_scanstatus() calls made from within an SQLITE_TRACE_STMT callback made from within a trigger. (check-in: 1fa78fafa1 user: dan tags: trunk) | |
| 17:26 | Back out elements (1) and (2) from [96ec8306457eebf5]. (check-in: d8b17615f1 user: drh tags: nan-inf) | |
| 15:16 | Another #ifdef to omit code that is only used by STAT4. (check-in: 445c75567d user: drh tags: trunk) | |