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166 check-ins for the month beginning 2014-03-01
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2014-03-31
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| 23:57 | Fix a compiler warning when SQLITE_DIRECT_OVERFLOW_READ is defined. Minor performance enhancement and size reduction. (check-in: 96385dc460 user: drh tags: overflow-pgno-cache) | |
| 22:03 | Merge in the latest changes and fixes from trunk. (check-in: f6211540c9 user: drh tags: overflow-pgno-cache) | |
| 20:05 | Remove an unnecessary conditional. (Closed-Leaf check-in: 7473c4dfc1 user: drh tags: query-plan-experiments) | |
| 19:57 | Add the SQLITE_MAX_WORKER_THREADS compile time option. And the SQLITE_CONFIG_WORKER_THREADS sqlite3_config() switch. (check-in: 2774710df8 user: dan tags: threads) | |
| 19:49 | Also make sure an index that is a proper subset of some other index has a higher cost than that other index. Add test cases. (check-in: b7830d232b user: drh tags: query-plan-experiments) | |
| 18:24 | Make sure that an index that covers a proper superset of the WHERE clause terms of some other index has a lower cost than the other index. (check-in: ea8b091004 user: drh tags: query-plan-experiments) | |
| 13:42 | Avoid a (harmless) buffer overread that is possible on an OOM when MEMSYS5 is engaged. (check-in: b3296267fb user: drh tags: trunk) | |
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2014-03-29
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| 21:16 | Experiments in picking better query plans, especially when the usage of one index is a subset of another. (check-in: 8f869ca7a6 user: drh tags: query-plan-experiments) | |
| 19:48 | Changes to make the multi-threaded sorter sort stably. (Closed-Leaf check-in: 83a105c864 user: dan tags: threads-closed) | |
| 10:01 | Fix a broken assert() in vdbesort.c. (check-in: 18d1b402f2 user: dan tags: threads) | |
| 09:34 | Fix a problem in vdbesort.c causing spurious SQLITE_NOMEM errors when using memsys3 or memsys5. (check-in: a683c05f62 user: dan tags: threads) | |
| 06:27 | Add the optimization to avoid some unnecessary calls to sqlite3VdbeRecordUnpack() added to the trunk by [707ea170b3]. (check-in: fc4d04e6b0 user: dan tags: threads) | |
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2014-03-28
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| 19:47 | Fix a compiler warning and an after-OOM memory leak. (check-in: 58f7ca2930 user: drh tags: orderby-planning) | |
| 19:18 | Merge latest changes from orderby-planning branch. (check-in: 4c7fb54234 user: dan tags: threads) | |
| 18:35 | Merge the latest changes from trunk. (check-in: 3047a25f1c user: drh tags: orderby-planning) | |
| 14:41 | Disable the wal64k.test script for non-unix systems since it depends on unix-only features. (check-in: 27deb6e49b user: drh tags: trunk) | |
| 12:56 | Fix a harmless compiler warning. (check-in: a4e47150f3 user: drh tags: trunk) | |
| 03:12 | Enhance the sqlite3VdbeRecordCompare() routines so that if they encounter database corruption, they will set the UnpackedRecord.isCorrupt field and return 0. The sqlite3BtreeMovetoUnpacked() routine detects this and returns SQLITE_CORRUPT, causing the corruption to be reported back to the top-level. (check-in: 7fa85eaaaf user: drh tags: trunk) | |
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2014-03-27
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| 19:25 | Instead of allocating a single large buffer at the beginning of each sort operation, start with a small buffer and extend it using realloc() as required. (check-in: 81987c8ceb user: dan tags: orderby-planning) | |
| 18:36 | Minor cleanup of the code in the query planner that computes the costs estimates for the various plans. There are no changes to the costs at this time. But the code is slightly more readable now and that might facilitate future enhancements. (check-in: 9b4d7226bc user: drh tags: trunk) | |
| 17:23 | Use xFetch() to access temporary files in vdbesort.c. Use a single large allocation instead of many small allocations when accumulating records in vdbesort.c. This is an interim commit - it allocates a buffer the size of the page-cache every time data is sorted. (check-in: f4ac1bf28c user: dan tags: orderby-planning) | |
| 14:05 | Enhance the logest.c utility with new operators: "dup", "inv", "log", and "nlogn". Provide help on an invalid input. (check-in: b4bd2a062c user: drh tags: trunk) | |
| 00:09 | Merge the latest trunk changes and the fix for the crash on a corrupt database. (check-in: 0b35346c32 user: drh tags: orderby-planning) | |
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2014-03-26
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| 19:45 | Merge from trunk the fix for the crash on a corrupt database. (check-in: 8cb2b02baa user: drh tags: threads) | |
| 19:43 | Merge in fixes (including the corrupt-database crash fix) and performance enhancements from trunk. (check-in: fc8ca1a87e user: drh tags: sessions) | |
| 18:51 | Version 3.8.4.2 (check-in: 02ea166372 user: drh tags: release, version-3.8.4.2, branch-3.8.4) | |
| 16:25 | Increase the version number to 3.8.4.2. (check-in: 59978a2e42 user: drh tags: branch-3.8.4) | |
| 16:22 | Fix a potential buffer overread that could have occurred when searching a corrupt database file. (check-in: db2935473e user: drh tags: branch-3.8.4) | |
| 15:14 | Add an extra test case for the potential buffer overread patched by [28ddecff04]. (check-in: f585f5d7a0 user: dan tags: trunk) | |
| 15:05 | Add a test case to verify that the previous change avoids excess buffer overread in sqlite3VdbeRecordCompare(). (check-in: 2b28e8d582 user: drh tags: trunk) | |
| 14:51 | Earlier detection of corruption in sqlite3VdbeRecordCompare() in order to avoid a potential buffer overread. (check-in: 28ddecff04 user: drh tags: trunk) | |
| 12:02 | Add an assert() and a comment to clarify the operation of the vdbeRecordCompareInt() routine. (check-in: 851abdb8fd user: drh tags: trunk) | |
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2014-03-25
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| 20:28 | Adjust the repeat counts on several tests in speedtest1 so that the relative time spent on the test is roughly the same regardless of --size. (check-in: 7922809ee0 user: drh tags: trunk) | |
| 18:29 | Merge enhancements and fixes from trunk. (check-in: e005f2d6dd user: drh tags: orderby-planning) | |
| 17:45 | Add another performance test case to speedtest1. This case is another ORDER BY test but this time without LIMIT. (check-in: 9ab7ffd592 user: drh tags: trunk) | |
| 17:07 | Fix a problem in the code added by [707ea170b3] causing vdbesort.c to sort unstably. (check-in: d3e640afe6 user: dan tags: orderby-planning) | |
| 15:04 | Remove the sequence values from sorter records used by ORDER BY as well. (check-in: c3ae369783 user: dan tags: orderby-planning) | |
| 14:54 | Add an ORDER BY test case to speedtest1.c (check-in: 588122641e user: drh tags: trunk) | |
| 14:12 | Enable four sorting threads by default in the command-line shell. (check-in: 1cab83577c user: drh tags: threads) | |
| 13:17 | Merge all fixes and enhancements from trunk. (check-in: b415dfb6cb user: drh tags: threads) | |
| 11:00 | Detect when a VdbeCursor is still pointing at a valid row but that row has moved, and invalidated the return from prior sqlite3BtreeDataFetch() or sqlite3BtreeKeyFetch() calls. (check-in: e6798871ce user: drh tags: trunk) | |
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2014-03-24
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| 20:19 | Omit the sequence value from sorter records used by GROUP BY queries that cannot use an index. (check-in: 3f90abddc3 user: dan tags: orderby-planning) | |
| 18:08 | Avoid unnecessary moving of content between registers during an ORDER BY. (check-in: 4f472accf0 user: drh tags: orderby-planning) | |
| 16:30 | Remove unused variables Parse.nColCache and Parse.iColCache. (check-in: 4d7551ce46 user: dan tags: trunk) | |
| 15:00 | Fix arithmetic operators so that they do not change the affinity of their input operands. Ticket [a8a0d2996a]. (check-in: 221f8f9447 user: drh tags: trunk) | |
| 12:33 | Cancel column-cache entries that are involved in a comparison operator since the comparison might have forced an affinity change. Originally proposed as a fix for ticket [a8a0d2996a], but later determined to be incorrect. (Closed-Leaf check-in: 0b95b7a874 user: drh tags: tkt-a8a0d2996a) | |
| 11:23 | Avoid attempting to mmap memory from an offset that is not a multiple of the system page size on systems with page sizes larger than 32KB. (check-in: db7d62c8d5 user: dan tags: trunk) | |
| 09:34 | Remove an unnecessary temporary register allocation. (check-in: 5d506743f5 user: dan tags: orderby-planning) | |
| 02:20 | Remove a pointless OP_Once operation in ORDER BY clauses with LIMIT. (check-in: e6c59d2331 user: drh tags: orderby-planning) | |
| 01:43 | Further enhancements to generated VDBE code for ORDER BY. (check-in: e7188fad87 user: drh tags: orderby-planning) | |
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2014-03-23
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| 18:47 | merge fixes from trunk (check-in: faf7f9caf5 user: drh tags: orderby-planning) | |
| 17:45 | Use only a single OP_MakeRecord instead of two when constructing entries to go onto a sorter. (check-in: d696cdedac user: drh tags: orderby-planning) | |
| 16:29 | Avoid a possible use of an uninitialized variable following an I/O or OOM error. (check-in: 641408a139 user: drh tags: trunk) | |
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2014-03-22
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| 02:19 | Clear the sort-order flags on the KeyInfo object associated with the OP_Compare/OP_Jump of the block-sort logic, in order to make the OP_Jump fully testable. (check-in: 9b2838f23e user: drh tags: trunk) | |
| 01:52 | Increase the version number to 3.8.5. (check-in: 9760879d08 user: drh tags: trunk) | |
| 00:27 | Fix the ORDER BY optimization logic so that it will do a block-sort on a partial DESC ORDER BY. This enhancement uncovered a memory leak in pushUntoSorter() which is also fixed. (check-in: c36f74611c user: drh tags: trunk) | |
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2014-03-21
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| 20:58 | Add the ability to use indices for the first few terms of an ORDER BY clause, then sort in batches to handle the later terms. (check-in: fa06a6fed9 user: drh tags: trunk) | |
| 19:56 | Change the names of SRT_DistTable and SRT_Table used by CTE to more meaningful SRT_DistFifo and SRT_Fifo, respectively. Simplify the IgnorableOrderby() macro in the process. (check-in: 45d8cc678d user: drh tags: trunk) | |
| 19:27 | Avoid leaking memory in an obscure case where the flattener adds an ORDER BY clause to the recursive part of a recursive query. (check-in: 1f413aca00 user: dan tags: trunk) | |
| 18:45 | Merge the OFFSET-on-query-without-FROM fix from trunk. (check-in: 71e9ae72c2 user: drh tags: orderby-planning) | |
| 18:16 | Fix the OFFSET clause so that it works correctly on queries that lack a FROM clause. Ticket [07d6a0453d4ed8]. (check-in: 179ef81648 user: drh tags: trunk) | |
| 15:24 | New test case for block-sorting. (check-in: e70cfa28aa user: drh tags: orderby-planning) | |
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2014-03-20
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| 20:56 | Merge trunk fixes for "x IN (?)" handling. (check-in: eca35871c3 user: drh tags: orderby-planning) | |
| 19:04 | Remove a testcase() that is now always true due to the "x IN (?)" optimization. Add an ALWAYS() around a conditional in the parser that cannot be false. (check-in: d5a1530bdc user: drh tags: trunk) | |
| 18:56 | Only use the direct-overflow-read optimization if all data from the overflow page in question is being read. (check-in: d8e1f75ddf user: dan tags: overflow-pgno-cache) | |
| 18:45 | Fix the EXPLAIN indenter in the command-line shell to correctly handle NextIfOpen and PrevIfOpen opcodes. (check-in: 01944c53f5 user: drh tags: trunk) | |
| 17:03 | The "x IN (?)" optimization in check-ins [2ff3b25f40] and [e68b427afb] is incorrect, as demonstrated by the in4-5.1 test case in this check-in. The "COLLATE binary" that was being added to the RHS of IN was overriding the implicit collating sequence of the LHS. This change defines the EP_Generic expression node property that blocks all affinity or collating sequence information in the expression subtree and adds that property to the expression taken from RHS of the IN operator. (check-in: 2ea4a9f75f user: drh tags: trunk) | |
| 15:14 | Fix harmless compiler warnings. (check-in: b1435f26b0 user: drh tags: trunk) | |
| 14:56 | Previous check-in is not quite correct. "x IN (?)" is not exactly the same as "x==?" do to collation and affinity issues. The correct converstion should be to "x==(+? COLLATE binary)". The current check-in fixes this problem and provides test cases. Ticket [e39d032577df69] (check-in: 2ff3b25f40 user: drh tags: trunk) | |
| 13:26 | Convert expressions of the form "X IN (?)" with exactly one value on the RHS of the IN into equality tests: "X=?". Add test cases to verify that statements work correctly on this corner case. Fix for ticket [e39d032577df6942]. (check-in: e68b427afb user: drh tags: trunk) | |
| 12:36 | One possible fix for the [e39d032577d] problem it to replace the failing assert() with a testcase() as shown here. (Closed-Leaf check-in: eae6dfbe55 user: drh tags: tkt-e39d0325) | |
| 12:17 | Fix an unnecessarily obtuse use of a bitmask flag. (check-in: ca31408131 user: drh tags: trunk) | |
| 09:42 | Add a test to ensure os_unix.c works with 64KiB OS pages. (Closed-Leaf check-in: e3d2be3ba4 user: dan tags: shm-mapping-fix) | |
| 08:59 | Add an experimental fix to avoid attempting to mmap memory from an offset that is not a multiple of the system page size on systems with page sizes larger than 32KB. (check-in: 6f3a5c24d2 user: dan tags: shm-mapping-fix) | |
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2014-03-19
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| 23:42 | Merge the vdbesort.c optimization from trunk. (check-in: e4bfffb988 user: drh tags: orderby-planning) | |
| 23:24 | Fix query planner weights associated with choosing block-sorting. Fix block sorting of tables with collating functions. Fix various test cases. All "veryquick" tests are now passing, though more tests need to be added. (check-in: 01afbf97c0 user: drh tags: orderby-planning) | |
| 20:01 | Avoid some unnecessary calls to sqlite3VdbeRecordUnpack() that were being made when merging data from two or more temp files together in vdbesort.c (check-in: 707ea170b3 user: dan tags: trunk) | |
| 17:41 | Make it possible for block-sort to use the OP_SorterOpen sorter in addition to a generic OP_OpenEphemeral. (check-in: 7ce2daafd3 user: drh tags: orderby-planning) | |
| 16:56 | Fix a problem in the block-sort logic that can arise if the VDBE opcode array is resized while the block-sort logic is being coded. "make test" now runs to completion, though there are still 17 failures. (check-in: 62f3a22050 user: drh tags: orderby-planning) | |
| 15:17 | Avoid reusing temporary registers in co-routines when doing block-sorting. (check-in: 463d921b51 user: drh tags: orderby-planning) | |
| 14:30 | Make sure the where.c query planner never reports that the number of ORDER BY terms that are satisfied by indices is negative. (check-in: b186d8d15a user: drh tags: orderby-planning) | |
| 14:10 | First attempt at getting block-sort to work. This is an incremental check-in. There are many problems still to be worked out. (check-in: 59742dd4c5 user: drh tags: orderby-planning) | |
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2014-03-18
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| 20:33 | Make the partial-ORDER-BY information in the query planner available to the SELECT code generator. Still doesn't make a difference in the generated code. (check-in: e258df236b user: drh tags: orderby-planning) | |
| 18:59 | Adjust the query planner to keep track of the number of ORDER BY terms satisfied. Still doesn't do anything with this information. Some tests fail after this check-in, but all failures are believed to be benign. The failures will be addressed at a later stage. (check-in: 59d49b7fc4 user: drh tags: orderby-planning) | |
| 15:30 | Experiments with the optimization of ORDER BY and GROUP BY clauses. (check-in: b150902579 user: drh tags: orderby-planning) | |
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2014-03-17
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| 15:43 | Add an experimental multi-threaded capability to vdbesorter.c. (check-in: ff0b5c851b user: dan tags: threads) | |
| 15:06 | Clean up some obsolete "register" declarations in printf.c. (check-in: ecd9d3f945 user: drh tags: trunk) | |
| 14:24 | Performance enhancements and size reduction for sqlite3VXPrintf() (check-in: eb071eb58c user: drh tags: trunk) | |
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2014-03-14
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| 11:46 | Fix a harmless compiler warning that crops up with SQLITE_MAX_MMAP_SIZE=0. (check-in: 1277932b7e user: drh tags: trunk) | |
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2014-03-13
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| 15:41 | Merge latest trunk changes into this branch. (check-in: d17231b63d user: dan tags: threads) | |
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2014-03-12
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| 19:38 | Fix an obscure bug causing sqlite3_close() to fail if there are virtual tables on the disconnect list when it is called. (check-in: 6504aa47a8 user: dan tags: trunk) | |
| 19:20 | Changes to FTS to ensure that it does not access the database from within the xConnect method. (check-in: c67a52c356 user: dan tags: trunk) | |
| 12:44 | Prevent the rtree module from reading sqlite_stat1 data from the wrong database. (check-in: 7ce03c1b55 user: dan tags: trunk) | |
| 10:03 | Bump the version number to 3.8.4.1., to conform with trunk. (check-in: 42c9d8fc5f user: drh tags: sessions) | |
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2014-03-11
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| 23:44 | Remove a stray C99-style comment. (check-in: f500e87d6e user: drh tags: overflow-pgno-cache) | |
| 23:40 | Combine the various boolean fields of the BtCursor object into a single bit-vector. This allows setting or clearing more than one boolean at a time and makes the overflow-pgno-cache branch faster than trunk on speedtest1. (check-in: 968fec44d7 user: drh tags: overflow-pgno-cache) | |
| 20:33 | Enable the b-tree cursor object's overflow page-number cache, which is normally enabled only for incr-blob cursors, for all cursors. (check-in: da59198505 user: dan tags: overflow-pgno-cache) | |
| 15:27 | Version 3.8.4.1 (check-in: 018d317b12 user: drh tags: trunk, release, version-3.8.4.1) | |
| 15:25 | Update version number to 3.8.4.1 (check-in: 33f5694fa4 user: drh tags: trunk) | |
| 14:44 | Forgot to change the VERSION file. (Closed-Leaf check-in: 04caffcef3 user: drh tags: mistake) | |
| 09:19 | Add a test to see what happens if an rtree constructor encounters an SQLITE_BUSY error. No changes to code. (check-in: 5527e23636 user: dan tags: trunk) | |
| 01:48 | Version 3.8.4 for sessions (plus two minor fixes). (check-in: 917c410808 user: drh tags: sessions) | |
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2014-03-10
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| 20:12 | Adjustments to the cost computation for the skip-scan query plan, to take into account the fact that a seek has to occur on each skip. (check-in: 0769eebd02 user: drh tags: trunk) | |
| 18:03 | Attempt to work around MSVC's treatment of __LINE__ as a non-constant value in "Edit and Continue" mode by avoiding the use of __LINE__ when SQLITE_VDBE_COVERAGE is not defined. (check-in: 0a5318bc27 user: drh tags: trunk) | |
| 12:20 | Version 3.8.4 (check-in: 530a1ee7dc user: drh tags: trunk, release, version-3.8.4) | |
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2014-03-08
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| 19:07 | Fix a bug causing "SELECT char()" to return SQLITE_NOMEM. (check-in: ba39df9d4f user: dan tags: trunk) | |
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2014-03-07
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| 14:57 | Improved comment on the pager.c PERSIST rollback journal delete logic inside of hasHotJournal(). No changes to code. (check-in: e5b17a9d07 user: drh tags: trunk) | |
| 14:36 | Merge the fix for the journal_mode=PERSIST error recovery delay bug. (check-in: bb6a75f4bb user: drh tags: sessions) | |
| 03:31 | Revise change from the previous check-in to clarify the situation when handling open journal files, regardless of journal mode. (check-in: 1c318ef3b7 user: mistachkin tags: trunk) | |
| 02:29 | Avoid calling sqlite3OsDelete() on a file that is open, since this causes Windows to run *very* slowly. Comes up on error recovery in journal_mode=PERSIST. (check-in: fdc651e2ec user: mistachkin tags: trunk) | |
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2014-03-06
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| 18:16 | Do not run corruptH.test in mmap mode. (check-in: c0d54b4e41 user: dan tags: trunk) | |
| 15:01 | Fix a harmless compiler warning in the sessions test harness. (check-in: d389e20ab0 user: drh tags: sessions) | |
| 14:53 | Enhance the test harness for the sessions interface so that it does not use SQLite operations that can encounter an OOM error in places where it is unable to report an OOM error back up to the test script. (check-in: bc0e661033 user: drh tags: sessions) | |
| 13:48 | Merge the latest 3.8.4 tweaks from trunk. (check-in: 1ed463d918 user: drh tags: sessions) | |
| 13:38 | Improved EXPLAIN indentation of a loop in the ANALYZE logic for STAT4. Mark the not-found jump of a seek operation in that loop as never taken. (check-in: 0a4200f95c user: drh tags: trunk) | |
| 12:36 | Remove a branch that is never taken from where.c. (check-in: 4a4997221f user: dan tags: trunk) | |
| 02:15 | Cosmetic change to the shell in-memory database warning to skip coloring the trailing period. (check-in: c87d8e07ec user: mistachkin tags: trunk) | |
| 01:56 | Fix some incorrect comments and typos in comments. Add testcase() macros to some of the new record comparison code. (check-in: b83cfe899d user: drh tags: trunk) | |
| 00:30 | Better loadable extension handling in the Win32 VFS when compiled for Cygwin. (check-in: 29b0a4f158 user: mistachkin tags: trunk) | |
| 00:28 | Better support for MinGW 4.x. (check-in: 170e058520 user: mistachkin tags: trunk) | |
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2014-03-05
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| 23:12 | Merge compiler-warning fixes from trunk. (check-in: a1f2b04285 user: drh tags: sessions) | |
| 19:36 | Always include the ctype.h header in the spellfix.c extension. (check-in: bfd75f471a user: drh tags: trunk) | |
| 19:13 | Avoid running a couple of test cases that use realloc() extensively if SQLITE_MEMDEBUG is defined. (check-in: e406d4bb78 user: dan tags: trunk) | |
| 19:04 | Fix a harmless compiler warning on MSVC. (check-in: 0723effc9c user: drh tags: trunk) | |
| 17:29 | Add SQLITE_OMIT_CTE to the list of compile options that might be returned by "PRAGMA compile_options". (check-in: f33f2b3f92 user: dan tags: trunk) | |
| 16:15 | Add tests to join.test to verify that it is not possible to use more than 64 tables in a join. (check-in: ef1a998625 user: dan tags: trunk) | |
| 15:52 | Count the number of elements in a SrcList object using an "int" rather than a "u8", to avoid overflows and to work around an issue in the C compiler on AIX. (check-in: eee2a13f2c user: drh tags: trunk) | |
| 15:04 | Add a test case for the problem fixed by [1d134ba2ed]. (check-in: d4fbc05df9 user: dan tags: trunk) | |
| 14:49 | Merge in various obscure bug fixes and the removal of Mem.memType from trunk. (check-in: 0828975d58 user: drh tags: sessions) | |
| 14:40 | When converting a result type from TEXT to BLOB using the sqlite3_value_blob() interface, continue to report SQLITE_TEXT as the true type from sqlite3_value_text() as long as that text is still valid. The maintains legacy behavior from before the noMemType change. (check-in: 1d134ba2ed user: drh tags: trunk) | |
| 12:47 | Separate the column NULL value constant into a separate routine for greater commonality with the sessions branch. (check-in: 12cbebb997 user: drh tags: trunk) | |
| 11:48 | Remove the redundant memType field from struct Mem. (check-in: 9e85285789 user: dan tags: trunk) | |
| 11:22 | Do not run corruptI.test with the mmap permutation. (check-in: 378b290da8 user: dan tags: trunk) | |
| 01:29 | Experimental simplification of memory flags/type handling. (Closed-Leaf check-in: bac2820e13 user: mistachkin tags: noMemType) | |
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2014-03-04
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| 21:19 | Avoid indexing off the front end of an array when creating a view with two or more blank column names in the SELECT statement that defines the view. (check-in: 554501f158 user: drh tags: trunk) | |
| 21:00 | Fix a problem with "DEFAULT (-(-9223372036854775808))" clauses in ALTER TABLE ... ADD COLUMN commands. (check-in: e072cb3ee2 user: dan tags: trunk) | |
| 18:06 | Fix a potential memory use-after-free problem following an OOM error. (check-in: 767ccb1fa1 user: drh tags: trunk) | |
| 16:21 | Fix an assert() so that it takes OOM errors into account. (check-in: 53f6ec792f user: drh tags: trunk) | |
| 16:05 | Ensure that BtreeMovetoUnpacked() does not try to invoke xRecordCompare when it is set to NULL. (check-in: 2879234b7c user: dan tags: trunk) | |
| 14:34 | Merge the performance enhancements of trunk (and some obscure bug fixes) into the sessions branch. (check-in: 7f51ad97f0 user: drh tags: sessions) | |
| 13:18 | Improve clarity of presentation in the sqlite3VdbeMemFromBtree() routine. (check-in: 9830c343bc user: drh tags: trunk) | |
| 12:07 | Fix comment in test. (check-in: 1e57f67b20 user: mistachkin tags: trunk) | |
| 11:54 | Fix minor typos in the new test file. (check-in: 3cbb9b1b4f user: mistachkin tags: trunk) | |
| 11:35 | Add tests to verify the fix for bug [4ef7e3cfca]. (check-in: 62410bb8a7 user: dan tags: trunk) | |
| 11:29 | Fix name resolution problem in sub-selects within triggers, ticket [4ef7e3cfca]. (check-in: 5bcd0b1ca5 user: mistachkin tags: trunk) | |
| 11:16 | Fix harmless compiler warning. (check-in: 8d18a803bd user: mistachkin tags: trunk) | |
| 04:12 | Refactor the sqlite3VdbeRecordCompare() routine used to compare btree records. Create fast-track special case routines to handle the common cases more quickly. This gives a significant performance boost. (check-in: 3325ad5bdc user: drh tags: trunk) | |
| 04:04 | Fix more instances of assuming 'char' is signed. And, make sure to never shift a signed integer. (Closed-Leaf check-in: f10130ede4 user: drh tags: broken-on-arm) | |
| 00:15 | Do not assume that 'char' is signed. Make it explicit. (check-in: 979da752e6 user: drh tags: broken-on-arm) | |
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2014-03-03
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| 21:59 | Refactor the sqlite3VdbeRecordCompare() routine used to compare btree records. Create a couple of fast-track routines to handle the common cases of a string with BINARY collation or integer values as the left-most column. This gives a significant performance boost in common use. Oops: This build does not work on the Beaglebone where "char" defaults to unsigned. (check-in: aec5473a75 user: drh tags: broken-on-arm) | |
| 21:46 | Fix a couple of harmless compiler warnings. (Closed-Leaf check-in: fcf480cc63 user: drh tags: experimental) | |
| 20:48 | Avoid a buffer overread in vdbeCompareRecordInt() that might occur if the database is corrupt. (check-in: 7c0b4381f0 user: dan tags: experimental) | |
| 19:29 | Fix a typo in a comment. No changes to code. (check-in: 1f4991ab16 user: drh tags: experimental) | |
| 18:25 | Fix compiler warnings. (check-in: ba8993727e user: drh tags: experimental) | |
| 17:48 | Merge latest trunk changes. (check-in: 1d60356462 user: dan tags: experimental) | |
| 17:36 | Change an OP_SCopy into an OP_Copy in a case where the destination might be used after the source has changed. (check-in: c0fa0c0e2d user: drh tags: trunk) | |
| 16:48 | Change the "explain_i" tcl test command so that xterm color codes are only added if the output is actually a terminal. (check-in: 559835e54e user: dan tags: trunk) | |
| 15:13 | Fix a harmless compiler warning. (check-in: d7f6837e69 user: drh tags: experimental) | |
| 14:45 | Merge latest trunk changes. (check-in: e00ed717fb user: dan tags: experimental) | |
| 14:20 | Fix a segfault that can occur following an OOM error. (check-in: 7fdd378d54 user: dan tags: trunk) | |
| 00:12 | Change the MEM_Dyn flag so that it means that Mem.xDel exists and must be used to free the string or blob. Add tighter invariant checks on Mem. (check-in: e3f6c61e03 user: drh tags: trunk) | |
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2014-03-01
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| 19:45 | Merge trunk changes. (check-in: 9c1747b5de user: dan tags: experimental) | |
| 19:44 | Remove the vdbeRecordCompareLargeHeader function. Fix some other details. (check-in: 3861e85310 user: dan tags: experimental) | |
| 18:13 | Change the MEM_Dyn flag so that it means that Mem.xDel exists and must be used to free the string or blob. Add tighter invariant checks on Mem. (Closed-Leaf check-in: 44e1c33767 user: drh tags: enhanced-mem-check) | |
| 16:24 | Factor the Mem invariant checker into a separate procedure (rather than a macro) so that it can be more easily extended. (check-in: 354699d50e user: drh tags: enhanced-mem-check) | |
| 14:45 | Add extra assert() statements trying to catch a Mem object in an inconsistent state. (check-in: 4aeb3ae435 user: drh tags: enhanced-mem-check) | |