Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
50 check-ins occurring around db2415fa677b84cd.
|
2013-06-13
| ||
| 00:32 | Add a prototype for an extension that sits in between the SQLite native code virtual table interface and a CLR IDisposable object. (check-in: 10bba8d082 user: drh tags: disposable-vtable) | |
|
2013-06-12
| ||
| 20:18 | Activate the one-pass optimization. Update comments, especially the descriptions of the various objects. (check-in: e120c558a5 user: drh tags: nextgen-query-plan-exp) | |
| 17:55 | Bug fixes in the handling of virtual tables. (check-in: 25c0f7292a user: drh tags: nextgen-query-plan-exp) | |
| 17:17 | Merge all changes from trunk. (check-in: f2e15b1974 user: drh tags: nextgen-query-plan-exp) | |
| 17:08 | "make test" now passing. (check-in: addd7f466d user: drh tags: nextgen-query-plan-exp) | |
| 14:52 | Add the "queryplanner" test permutation. Continuing refinements to NGQP. (check-in: 25e2cde105 user: drh tags: nextgen-query-plan-exp) | |
| 03:48 | Continue refining the NGQP (check-in: 40567fddd4 user: drh tags: nextgen-query-plan-exp) | |
| 02:53 | Another attempt at disabling virtual tables. This one leaks memory. (Closed-Leaf check-in: 399e28283b user: drh tags: disable-vtab) | |
|
2013-06-11
| ||
| 22:41 | Add the ability to disable future calls to virtual table methods by invoking sqlite3_create_module() with a NULL sqlite3_module pointer. (check-in: 6b77d61adb user: drh tags: disable-vtab) | |
| 18:59 | Improved processing of DISTINCT. (check-in: ba897100fe user: drh tags: nextgen-query-plan-exp) | |
| 14:22 | Add the SQLITE_FTS3_MAX_EXPR_DEPTH compile time option. (check-in: 24fc9d4438 user: dan tags: trunk) | |
| 13:30 | Fix the Parse.nQueryLoop state variable to work with NGQP. (check-in: f1cac24f06 user: drh tags: nextgen-query-plan-exp) | |
| 02:36 | Use a logarithmic rather than linear cost and row-count measures. Do not report row count estimates in EQP output. (check-in: b777b1097d user: drh tags: nextgen-query-plan-exp) | |
| 02:32 | Fixes to EXPLAIN QUERY PLAN output. Change weights back to something closer to what they are in legacy. More test case fixes. (Closed-Leaf check-in: 36373b85f9 user: drh tags: nextgen-query-plan-logcost) | |
| 01:50 | Handle virtual tables correctly when using logarithmic costs. Fixes to test cases. (check-in: e612664aa2 user: drh tags: nextgen-query-plan-logcost) | |
|
2013-06-10
| ||
| 23:30 | Fix test cases for the new EXPLAIN QUERY PLAN format. Add the wherecosttest tool. Other fixes to logarithm cost. (check-in: aa580e368e user: drh tags: nextgen-query-plan-logcost) | |
| 20:46 | Fix some minor issues with logarithmic cost in NGQP. (check-in: 69cf877283 user: drh tags: nextgen-query-plan-logcost) | |
| 19:12 | First attempt to store costs and row counts as a logarithm. (check-in: 9e8109673c user: drh tags: nextgen-query-plan-logcost) | |
| 14:56 | Simplification and performance tweak to the high-speed NGQP bypass. (check-in: 0f8a38ee54 user: drh tags: nextgen-query-plan-exp) | |
| 12:34 | Performance improvements for whereScan methods. (check-in: aae14350a3 user: drh tags: nextgen-query-plan-exp) | |
| 12:17 | Add a high-speed bypass for the NGQP for the common case of a simply query with quality constraints that outputs a single row. (check-in: 8d1ba30921 user: drh tags: nextgen-query-plan-exp) | |
| 12:15 | Minor problems in the high-speed NGQP fixed. (Closed-Leaf check-in: 20eeccf1f2 user: drh tags: nextgen-query-plan-fast) | |
|
2013-06-09
| ||
| 20:22 | Fix the memory leak in CREATE TABLE that occurs if there are two or more COLLATE clauses on the same column. (check-in: 7e3820e5b9 user: drh tags: trunk) | |
| 20:16 | Add test cases to demonstrate the memory leak on the COLLATE clause. (Closed-Leaf check-in: 0a60212c9c user: drh tags: memleak) | |
| 17:21 | High-speed version of NGQP. Still has some minor problems. (check-in: db2415fa67 user: drh tags: nextgen-query-plan-fast) | |
|
2013-06-08
| ||
| 19:58 | Candidate fix for a memory leak that occurs if a CREATE TABLE statement contains two or more COLLATE clauses on the same column definition. (check-in: 60fc77bc53 user: drh tags: memleak) | |
|
2013-06-07
| ||
| 22:12 | Improve manual cleaning step performed by the multi-platform build tool for MSVC. (check-in: d5bc1fe1c4 user: mistachkin tags: trunk) | |
| 02:04 | Must faster computation of estimated logarithm. (check-in: dfbca3acae user: drh tags: nextgen-query-plan-exp) | |
| 00:29 | Further prepare-time performance improvements. (check-in: 02741d177b user: drh tags: nextgen-query-plan-exp) | |
|
2013-06-06
| ||
| 23:44 | Performance improvements. (check-in: 9f8e84ab98 user: drh tags: nextgen-query-plan-exp) | |
| 23:02 | Improved management of the space to hold WhereLoop.aLTerm[]. (check-in: d4141ecbea user: drh tags: nextgen-query-plan-exp) | |
| 19:25 | Remove some commented-out code that was mistakenly left in the previous check-in. (check-in: b4a5dbad36 user: drh tags: nextgen-query-plan-exp) | |
| 19:16 | Clean up and reorganize the elements of the various objects in the analysis tree for the NGQP. (check-in: bfc76ae1e9 user: drh tags: nextgen-query-plan-exp) | |
|
2013-06-05
| ||
| 23:39 | Move the definitions of the WhereLevel and WhereInfo objects out of sqliteInt.h and into where.c. This will facilitate future refactoring of the internal query planner data structures. (check-in: 1574653b9b user: drh tags: nextgen-query-plan-exp) | |
| 17:53 | Performance improvement for the OR-clause analysis in the NGQP. (check-in: 9b1c4954e4 user: drh tags: nextgen-query-plan-exp) | |
| 16:19 | Minor performance tuning of the NGQP. (check-in: cbef38c2d1 user: drh tags: nextgen-query-plan-exp) | |
| 16:17 | Up until now the fts4 "unicode61" tokenizer has treated all private use codepoints except the first and last of each of the three ranges as alphanumeric (eligible to be part of tokens). This commit fixes this so that all private use codepoints are considered alphanumeric. In other words, it fixes the handling of codepoints 0xE000, 0xF8FF, 0xF0000, 0xFFFFD, 0x100000 and 0x10FFFD. (check-in: 6cfd9af525 user: dan tags: trunk) | |
| 12:47 | Performance tweak to whereLoopInsert(). (check-in: 1c4a78807b user: drh tags: nextgen-query-plan-exp) | |
| 12:18 | Add a test case contributed on the mailing list that works in NGQP but fails in legacy. (check-in: 96afe50866 user: drh tags: nextgen-query-plan-exp) | |
|
2013-06-04
| ||
| 23:40 | Update some variable names and comments in the ORDER BY optimizer. Fix a bug in the ORDER BY optimizer dealing with IS NULL constraints. Updates to test cases. (check-in: cf96eb5945 user: drh tags: nextgen-query-plan-exp) | |
| 18:27 | Restore the PRAGMA reverse_unordered_selects behavior. (check-in: f49cd6c4e7 user: drh tags: nextgen-query-plan-exp) | |
| 18:03 | Get the index-only optimization working for OR queries. (check-in: 774d5ff857 user: drh tags: nextgen-query-plan-exp) | |
| 15:31 | Test case updates. (check-in: 0360fec7c0 user: drh tags: nextgen-query-plan-exp) | |
| 13:37 | Better determination of when an index is UNIQUE. (check-in: 63fd025ad9 user: drh tags: nextgen-query-plan-exp) | |
| 13:07 | Increase the estimated full-scan cost for an FTS3 table. (check-in: 8d9f29f847 user: drh tags: nextgen-query-plan-exp) | |
| 12:58 | Fix a display issue with EXPLAIN QUERY PLAN. (check-in: ff2fa40755 user: drh tags: nextgen-query-plan-exp) | |
| 12:42 | Refactor the ORDER BY optimizer in the NGQP so that it is easier to maintain and so that it can support optimizing out GROUP BY and DISTINCT clauses. (check-in: e605c468e3 user: drh tags: nextgen-query-plan-exp) | |
|
2013-06-03
| ||
| 22:08 | Remove more vestiges of sqlite_query_plan from the test cases. (check-in: eb27086e8a user: drh tags: nextgen-query-plan-exp) | |
| 21:25 | Adjust the xBestIndex methods on both the fuzzer and transitive_closure virtual tables so that an unused MATCH operator gets a really large cost. Remove ambiguities from the fuzzer test cases. (check-in: e2c1af78b6 user: drh tags: nextgen-query-plan-exp) | |
| 20:46 | Pull in recent trunk changes. Fix the ORDER BY optimizer so that it is better able to deal with COLLATE clauses. Clean up ambiguities in the descidx1.test script. (check-in: 6bc71dfcf0 user: drh tags: nextgen-query-plan-exp) | |