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90 events for the month beginning 2014-04-01 by user drh
Following month ↑|
2014-04-30
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| 20:32 | Merge in all recent changes and enhancements from trunk. (check-in: 84243f84 user: drh tags: win32-none) | |
| 14:22 | Improved rendering of LogEst values corresponding to real values near 0.0 in the tool/logest.c utility program. (check-in: 32910c8c user: drh tags: experimental-costs) | |
| 13:19 | Fix long-standing typos in comments. (check-in: b9f91317 user: drh tags: experimental-costs) | |
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2014-04-28
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| 18:02 | Merge all recent trunk enhancements and fixes into the sessions branch. (check-in: e158812c user: drh tags: sessions) | |
| 17:57 | • Edit [02610cd9b77caa2c|02610cd9]: Mark "Closed". (artifact: f911f866 user: drh) | |
| 17:56 | Add the sqlite3_rtree_query_callback() API to the RTree virtual table. (Cherrypick from the sessions branch.) (check-in: af2cbe64 user: drh tags: trunk) | |
| 17:51 | Add the sqlite3_rtree_query_callback() API to the RTree virtual table. (check-in: 3dca2809 user: drh tags: sessions) | |
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2014-04-26
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| 19:23 | Update requirements marks to fix typos in the requirements text. No changes to code. (check-in: f5a26365 user: drh tags: trunk) | |
| 17:52 | • Fixed ticket [f67b4138]: "INSERT INTO tbl SELECT * FROM tbl2" statement may modify data if ALTER TABLE ADD COLUMN has been used on tbl2. plus 3 other changes (artifact: d52b6d75 user: drh) | |
| 17:52 | Allow the xfer optimization to proceed if the DEFAULT on the very first column of the two tables is different. This is a refinement of the fix for ticket [f67b41381a]. (check-in: 349f4834 user: drh tags: trunk) | |
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2014-04-25
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| 17:37 | • Fixed ticket [388d01d4]: Crash on join with a virtual table, DISTINCT, and ORDER BY. plus 5 other changes (artifact: a6de697b user: drh) | |
| 17:37 | Add test cases to ensure correct operation of joins with a virtual table that include DISTINCT and ORDER BY clauses. Verification for ticket [388d01d4bb8f9]. (check-in: 5ada136f user: drh tags: trunk) | |
| 16:29 | Enhance the sqlite3_rtree_query_info object to report on the number of elements in the priority queue at each level. (Closed-Leaf check-in: f7dad408 user: drh tags: rtree-enhancements) | |
| 14:42 | Make sure ORDER BY clauses on joins that involve virtual tables and that have a DISTINCT clause work correctly. This is a candidate fix for ticket [388d01d4bb8f9]. Test cases for that ticket will be checked in separately. (check-in: 17113812 user: drh tags: trunk) | |
| 14:04 | • New ticket [388d01d4] Crash on join with a virtual table, DISTINCT, and ORDER BY.. (artifact: da138a0b user: drh) | |
| 12:35 | When VDBE_PROFILE is enabled, ignore negative opcode times, which sometimes occur, perhaps due to context swaps. (check-in: 4e88042f user: drh tags: trunk) | |
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2014-04-24
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| 16:25 | Improved header comment on the vdbesort.c module. No changes to code. (check-in: bf09ce24 user: drh tags: orderby-planning) | |
| 15:06 | Reopen the orderby-planning branch and merge in the latest trunk enhancements and fixes. (check-in: 6077ddcd user: drh tags: orderby-planning) | |
| 15:01 | • Edit [58f7ca29303c2802|58f7ca29]: Remove the "Closed" mark. (artifact: 6bc97216 user: drh) | |
| 13:20 | Add sqlite3_log() diagnostic messages for a specific type of corruption where the file size is reported to be too small relative to the size in the header. This branch is intended to help debug a specific problem reported from the wild and is not for general use. (check-in: 34155c40 user: drh tags: filesize-debug) | |
| 12:28 | Improvements to comments. Store some extra information in SqliteThread that is useful for debugging. (check-in: 9fb5e212 user: drh tags: threads) | |
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2014-04-23
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| 12:57 | Merge all recent trunk changes into the threads branch. (check-in: e2c9f71a user: drh tags: threads) | |
| 12:00 | Enhancements to the date and time functions so that they optionally support a 5-digit year. Not sure we want to include this in trunk. Saved in a branch for future reference. (Closed-Leaf check-in: 2029a396 user: drh tags: five-digit-year) | |
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2014-04-22
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| 19:42 | Change from using the win32-none VFS to just a query parameter. (check-in: ffceacf6 user: drh tags: win32-none) | |
| 19:30 | Add the win32-none VFS which omits rollback-journal locking. (check-in: 03e3c5a8 user: drh tags: win32-none) | |
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2014-04-21
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| 18:13 | Fix the generation of sqlite3_rtree_query_info.iRowid and add test cases to verify that it is fixed. (check-in: eba95ead user: drh tags: rtree-enhancements) | |
| 15:53 | Be sure to initialize the sqlite3_rtree_query_info.iRowid field for the leaves of the R-Tree when doing a query callback search. (check-in: 43946938 user: drh tags: rtree-enhancements) | |
| 15:21 | Fix an off-by-one error in setting the "iLevel" field of the sqlite3_rtree_query_info structure passed into the RTree query callback. (check-in: d708f159 user: drh tags: rtree-enhancements) | |
| 13:39 | • Fixed ticket [b75a9ca6]: ORDER BY ignored if query has identical GROUP BY plus 5 other changes (artifact: c5dd2e0d user: drh) | |
| 13:36 | Comment tweaks on the test case for the [b75a9ca6b0] bug fix. (check-in: 65d2544a user: drh tags: trunk) | |
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2014-04-20
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| 09:57 | • Closed ticket [14b9ffb6]: An ORDER BY clause with the same expressions as a GROUP BY clause may be ignored plus 6 other changes (artifact: 9dcbc965 user: drh) | |
| 09:34 | • New ticket [b75a9ca6] ORDER BY ignored if query has identical GROUP BY. (artifact: 886cb1c9 user: drh) | |
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2014-04-18
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| 22:20 | Clean up the proper-subset cost adjustment logic to make it more compact and easier to read and so that full branch test coverage is more easily obtained. (check-in: 9a5d38c7 user: drh tags: trunk) | |
| 13:57 | Add to speedtest1.c the --threads option for setting the SQLITE_CONFIG_WORKER_THREADS configuration. (check-in: 5fce40c4 user: drh tags: threads) | |
| 13:40 | Fix harmless compiler warnings. (check-in: f8f72ecb user: drh tags: threads) | |
| 12:38 | Merge recent trunk changes into the threads branch. (check-in: 8729aa3e user: drh tags: threads) | |
| 01:37 | Further improvements to the RTREE_DECODE_COORD() method, to take advantage of known processor byte orders when available. This makes the code 3% faster, according to valgrind. Also add test cases to make sure the on-disk representation is correct. (check-in: 6f3e94f4 user: drh tags: rtree-enhancements) | |
| 01:14 | Merge the latest changes from sessions. (check-in: d9eef5b0 user: drh tags: rtree-enhancements) | |
| 01:10 | Merge recent trunk changes into sessions. (check-in: 95e77efe user: drh tags: sessions) | |
| 00:49 | Add the SQLITE_RUNTIME_BYTEORDER compile-time option to force SQLite to check the processor byte-order at run-time. Add additional compile-time byte order checks for ARM, PPC, and SPARC. (check-in: 2c536387 user: drh tags: trunk) | |
| 00:06 | Add the SQLITE_TESTCTRL_BYTEORDER test control to interrogate SQLite's notion of the processor byte order and whether the byte order is known at compile-time or determined at run-time. (check-in: 9c696196 user: drh tags: trunk) | |
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2014-04-17
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| 23:23 | Performance optimization on byte-swapping in R-Tree. (check-in: 444084fd user: drh tags: rtree-enhancements) | |
| 15:34 | More test cases with very long priority queues. (check-in: 71692aa9 user: drh tags: rtree-enhancements) | |
| 14:52 | Test cases and bug fixes for the sqlite3_rtree_query_callback() mechanism. (check-in: 1ccaaed6 user: drh tags: rtree-enhancements) | |
| 13:15 | Refactor the constraint checking logic in RTree. The new-style constraint callbacks created by sqlite3_rtree_query_callback() are now hooked up from end to end, though still untested. (check-in: 32a13870 user: drh tags: rtree-enhancements) | |
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2014-04-16
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| 21:02 | Performance optimization on nodeGetCell() in R-Tree. (check-in: 5d20ff9e user: drh tags: rtree-enhancements) | |
| 17:23 | Convert the RTree module query mechanism over to using a priority queue for walking the RTree. (check-in: f26936f7 user: drh tags: rtree-enhancements) | |
| 17:15 | TCL tests now all pass. (Closed-Leaf check-in: f864bacc user: drh tags: rtree-queue) | |
| 14:45 | Fix a bug in rowid=? query handling. More problems remain. (check-in: 5b0e6ba4 user: drh tags: rtree-queue) | |
| 13:00 | Bug fixes to the priority-queue implementation for R-Trees. Improved tracing capability. Some queries work now, but still many problems. (check-in: a439ddd6 user: drh tags: rtree-queue) | |
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2014-04-15
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| 21:06 | Initial attempt at getting R-Tree queries to work using a priority queue. This check-in compiles, but R-Trees do not work well. And there are debugging printf()s left in the code. This is an incremental check-in. (check-in: 53688a25 user: drh tags: rtree-queue) | |
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2014-04-14
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| 19:48 | Make sure the undocumented sqlite_rename_parent() function does not crash even if it is invoked with NULL arguments. Ticket [264b970c4379fd4b94] (check-in: c6fa8d0d user: drh tags: trunk) | |
| 19:48 | • Fixed ticket [264b970c]: Crash when calling sqlite_rename_parent() with NULL parameters. plus 5 other changes (artifact: b9804f7e user: drh) ... 1 similar event omitted. | |
| 14:43 | Fix comments on the rtreenode() and rtreedepth() test function in the R-Tree module. (check-in: ade5b986 user: drh tags: rtree-enhancements) | |
| 12:18 | Remove over 300 lines of unused code, code that implemented the older Guttman insertion algorithms that are no longer used. (check-in: 3ba5f295 user: drh tags: rtree-enhancements) | |
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2014-04-13
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| 19:28 | Remove the unused second argument from sqlite3ExprCachePop(). Add an ALWAYS() on an always-true conditional in sqlite3VdbeResolveLabel(). (check-in: ab23abf3 user: drh tags: trunk) | |
| 19:28 | • Fixed ticket [2ea3e9fe]: Partial index causes assertion fault on UPDATE OR REPLACE plus 5 other changes (artifact: 50c5235f user: drh) | |
| 19:15 | Make sure column cache elements are cleared correctly when jumping over code for key generation in a partial index. Fix for ticket [2ea3e9fe6379fc3f6]. (check-in: 3122b836 user: drh tags: trunk) | |
| 16:24 | • New ticket [2ea3e9fe] Partial index causes assertion fault on UPDATE OR REPLACE. (artifact: aee89fa1 user: drh) | |
| 16:10 | Continuing work on the new custom query mechanism for r-tree. (check-in: ca7357e6 user: drh tags: rtree-enhancements) | |
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2014-04-12
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| 17:44 | Continuing clean-up of the R-Tree module in preparation for cutting in the new generalized query mechanism. (check-in: 66c858f2 user: drh tags: rtree-enhancements) | |
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2014-04-11
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| 23:14 | Add the new interfaces to rtree, though they do not yet work. Add the "show_speedtest1_rtree.tcl" script for showing the test data used for the R-Tree tests of speedtest1. Change speedtest1 to generate better R-Tree test data. (check-in: 0b702759 user: drh tags: rtree-enhancements) | |
| 17:41 | Add the --verify option to speedtest1. Add verification test cases to the "rtree" testset and a case that uses a custom geometry callback. (check-in: 9d485c42 user: drh tags: rtree-enhancements) | |
| 16:14 | Update comments in the R-Tree module in preparation for some big changes. Add an "rtree" performance test to speedtest1. (check-in: 20a73ec0 user: drh tags: rtree-enhancements) | |
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2014-04-10
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| 02:24 | Modify the OR-clause handling so that it can safely deal with OR-clause with 17 or more terms. Fix for ticket [10fb063b1179be53ea0b53bb]. (check-in: a67b5312 user: drh tags: trunk) | |
| 02:24 | • Fixed ticket [10fb063b]: Duplicate row output on an OR query plus 5 other changes (artifact: 1e34ba1a user: drh) ... 1 similar event omitted. | |
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2014-04-04
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| 22:44 | Fix harmless compiler warnings. (check-in: e54dded2 user: drh tags: threads) | |
| 18:49 | Performance improvements when reading large blobs, especially if SQLITE_DIRECT_OVERFLOW_READ is defined. (check-in: 2312eb6a user: drh tags: trunk) | |
| 18:37 | Merge the latest trunk changes into the threads branch. (check-in: 39ac79cf user: drh tags: threads) | |
| 18:20 | Merge changes to the query planner that strive to ensure that any index usage that is a proper subset of some other index usage always has a slightly higher cost. (check-in: 683dd379 user: drh tags: trunk) | |
| 17:30 | • Edit [58f7ca29303c2802|58f7ca29]: Mark "Closed". (artifact: 77429189 user: drh) | |
| 14:12 | Ensure the "PRAGMA journal_mode=WAL" works coming from any other journal_mode with ATTACH-ed databases. (check-in: e54330b4 user: drh tags: trunk) | |
| 02:13 | Change vdbeSorterExtendFile() so that it makes a best effort to create the PMA file of the desired size, but does not return an error if unable. (check-in: 217814bc user: drh tags: threads) | |
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2014-04-03
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| 16:57 | • Fixed ticket [98825a79]: Incorrect result from a DISTINCT + GROUP BY + ORDER BY query plus 5 other changes (artifact: 2c4eead4 user: drh) | |
| 16:53 | Version 3.8.4.3 (Leaf check-in: a611fa96 user: drh tags: release, version-3.8.4.3, branch-3.8.4) | |
| 16:42 | Merge all recent changes from trunk. (check-in: a0910079 user: drh tags: threads) | |
| 16:35 | Merge all recent changes from trunk, including the fix for the OP_SCopy-vs-OP_Copy problem. (check-in: 9515c834 user: drh tags: sessions) | |
| 16:29 | Use OP_Copy instead of OP_SCopy when moving results out of a subquery, to prevent the subquery results from changing out from under the outer query. Fix for ticket [98825a79ce1456]. Problem introduced by check-in [1e64dd782a126f48d78]. (check-in: d5513dfa user: drh tags: trunk) | |
| 16:18 | Increase the version number to 3.8.4.3 (check-in: f05a49b6 user: drh tags: branch-3.8.4) | |
| 16:16 | Use OP_Copy instead of OP_SCopy when moving results out of a subquery, to prevent the subquery results from changing out from under the outer query. Fix for ticket [98825a79ce1456]. Problem introduced by check-in [1e64dd782a126f48d78]. (check-in: ec6a0624 user: drh tags: branch-3.8.4) | |
| 15:17 | • New ticket [98825a79] Incorrect result from a DISTINCT + GROUP BY + ORDER BY query. (artifact: b556e7c9 user: drh) | |
| 14:31 | Fix a typo in the "Synopsis:" comment for the OP_VFilter opcode. (check-in: 48ecdd4a user: drh tags: trunk) | |
| 02:54 | Refactor local object and method names in vdbesort.c so that their names more closely reflect their actual use. (check-in: d284e30e user: drh tags: threads) | |
| 00:32 | In the command-line shell, run set writable_schema before running the ".clone" command. (check-in: 9d2ae634 user: drh tags: trunk) | |
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2014-04-02
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| 18:58 | Add a big introductory comment to vdbesort.c explaining its operation at a high level. Also adjust some symbolic names and fix other comment issues in that file. (check-in: eef60f1b user: drh tags: threads) | |
| 14:38 | Change the name of the SorterThread object to "SortSubtask" to avoid confusion with the SQLiteThread object. (check-in: 4ee2d910 user: drh tags: threads) | |
| 14:18 | • Edit [abbdb925162a7bd8|abbdb925]: Move to branch mistake. Add propagating "hidden". Mark "Closed". Edit check-in comment. (artifact: e96b7e46 user: drh) | |
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2014-04-01
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| 01:24 | Remove an unnecessary conditional, replacing it with an assert(). Improvements to comments. (Closed-Leaf check-in: 834bf1c3 user: drh tags: overflow-pgno-cache) | |