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50 check-ins occurring around 665e4291c6e78f11.

2013-06-04
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)
20:39
Fix a typo in a collating function inside the e_reindex.test script. (check-in: 4d74fccf02 user: drh tags: trunk)
19:17
Do not use an index fullscan for an UPDATE or DELETE or if disabled by sqlite3_test_control() or sqlite3_config(). (check-in: fabb21854e user: drh tags: nextgen-query-plan-exp)
19:01
Resolve ambiguities in test cases in collate2.test. (check-in: dcbbcb2e6c user: drh tags: nextgen-query-plan-exp)
18:50
Fix a bug in the transitive_closure virtual table that NGQP exposes. Update between.test module to avoid using sqlite_query_plan. (check-in: aa66b86420 user: drh tags: nextgen-query-plan-exp)
18:14
Fix EXPLAIN QUERY PLAN row counts for the rtree virtual table tests. (check-in: 15328987cc user: drh tags: nextgen-query-plan-exp)
17:35
Update the NGQP to make use of STAT3 information if it is available. (check-in: ff134e6ee9 user: drh tags: nextgen-query-plan-exp)
16:56
Honor the orderByConsumed boolean returned from virtual table query planner. (check-in: aaf7f5896d user: drh tags: nextgen-query-plan-exp)
16:03
Fix to the logic that disables constraints on virtual tables. (check-in: 62d382406b user: drh tags: nextgen-query-plan-exp)
15:34
Fix an issue that was causing ORDER BY DESC to come out in ascending order. (check-in: 0298401240 user: drh tags: nextgen-query-plan-exp)
15:24
Virtual tables now always report 25 rows instead of 0 rows in the EXPLAIN QUERY PLAN output. Adjust tests accordingly. (check-in: 7d91f68881 user: drh tags: nextgen-query-plan-exp)
15:07
Set the WHERE_UNIQUE flag on loops that can only run once. (check-in: 510f4d8ecf user: drh tags: nextgen-query-plan-exp)
14:15
Add test cases to verify that ticket [bc1aea7b725f2761] has been fixed in the NGQP. (check-in: 9b97af94ae user: drh tags: nextgen-query-plan-exp)
12:47
Enhance the shell to provide more flexibility when entering numeric arguments on dot-commands. In particular, allow hexadecimal arguments to .wheretrace and .testctrl commands. Cherrypick from [b9578c371ee5]. (check-in: 3bd5ad095b user: drh tags: trunk)
12:34
Further improvements to error handling of the run-time loading of SQLite into TCL. (check-in: 7cc0c4ee11 user: drh tags: trunk)
2013-05-31
20:43
The NGQP might not find a solution if INDEXED BY constraints on the query are set wrong. If that is the case, print a "no query solution" error and abort before trying to use the non-existant solution. (check-in: 42511a7e12 user: drh tags: nextgen-query-plan-exp)
20:28
Do not search using ON clause constraints of LEFT JOINs to the right of the table. (check-in: 723f901a63 user: drh tags: nextgen-query-plan-exp)
20:00
Make sure a unique cursor number is allocated for automatic indices. (check-in: 433d1aecd3 user: drh tags: nextgen-query-plan-exp)
19:14
Do not attempt to generate code in the NGQP if there have been prior errors, since with prior errors some of the expressions might not be fully named resolved. (check-in: 665e4291c6 user: drh tags: nextgen-query-plan-exp)
18:20
Fix a problem with code generation on LEFT JOIN of tables without an index. (check-in: 0b1bee92a0 user: drh tags: nextgen-query-plan-exp)
18:13
Another virtual table fix in NGQP. (check-in: 2f2ce41677 user: drh tags: nextgen-query-plan-exp)
17:55
Fix problems in the virtual table logic for NGQP. (check-in: 23af28e24b user: drh tags: nextgen-query-plan-exp)
15:50
Remove the definitions of objects that are no longer used: WhereCost, WherePlan, and WhereBestIdx. (check-in: 816f8add7e user: drh tags: nextgen-query-plan-exp)
15:36
Improved handling of errors when doing run-time loading of an SQLite shared-library into TCL. (check-in: b3f23d1864 user: drh tags: trunk)
15:18
Allow tracing of whereLoopInsert() when the 0x8 bit is set on ".wheretrace". Remove the use of sqlite_query_plan from where2.test. Fix a bug in the code generator for OR clause optimizations. (check-in: 707f032326 user: drh tags: nextgen-query-plan-exp)
14:31
Enhance the shell to provide more flexibility when entering numeric arguments on dot-commands. In particular, allow hex arguments to .wheretrace. (check-in: b9578c371e user: drh tags: nextgen-query-plan-exp)
13:36
Futher enhancements to the ORDER BY optimizer. (check-in: d8efa5f8b6 user: drh tags: nextgen-query-plan-exp)
12:43
Improved detection of unnecessary ORDER BY clauses. (check-in: 58805eb36b user: drh tags: nextgen-query-plan-exp)
11:57
Fix the constructAutomaticIndex() routine so that it works with NGQP. (check-in: 5e1e613995 user: drh tags: nextgen-query-plan-exp)
2013-05-30
23:21
Improvements to the ORDER BY suppressor in the NGQP. (check-in: 24a2e9ddce user: drh tags: nextgen-query-plan-exp)
22:27
Incremental check-in with various NGQP fixes. Many tests still fail. (check-in: a51d8c9249 user: drh tags: nextgen-query-plan-exp)
19:29
Futher simplifications to the NGQP. Fix some test cases to use EXPLAIN QUERY PLAN rather than the (now obsolete) sqlite_query_plan global variable. (check-in: ae985db4fa user: drh tags: nextgen-query-plan-exp)
19:28
The expected result in a test case can be of the form "*glob*" or "~*glob*" to match or not match the GLOB pattern. This is useful for matching EXPLAIN QUERY PLAN output that contains regular expression syntax characters like "?", "(", and ")". (check-in: a3b4e261bd user: drh tags: nextgen-query-plan-exp)
17:43
Cut over the NGQP query planner. Remove lots of legacy code. This check-in compiles but does not work. The test suite gets incorrect answers and crashes. (check-in: 001539df4b user: drh tags: nextgen-query-plan-exp)
11:48
Merge recent trunk changes into the NGQP branch. (check-in: aebe1f2603 user: drh tags: nextgen-query-plan-exp)
2013-05-29
17:48
Updates to the Codec interface to support codecs on attached databases and to allow rekeying in the middle of a transaction. These changes are only applicable if SQLite is compiled with SQLITE_HAS_CODEC. (check-in: d5b084e9d8 user: drh tags: trunk)
14:22
Add tests for running FTS 'merge' and 'optimize' commands in shared cache mode. (check-in: 09e5a7ad85 user: dan tags: trunk)
2013-05-28
20:25
Add the percentile() SQL function as a loadable extension in the ext/misc directory. (check-in: a64d760d92 user: drh tags: trunk)
17:30
Finish removing the sqlite3.inTrans field. In the previous check-in, it was merely commented out because I failed to select File->Save on my text editor. (check-in: 2f97e38a66 user: drh tags: trunk)
17:25
Remove the obsolete and unused sqlite3.inTrans field. (check-in: c3381cd495 user: drh tags: trunk)
12:11
Many small harmless comment changes. Removal of obsolete comments and fixing misspelled words. No changes to code. (check-in: a0d5cc9315 user: drh tags: trunk)
10:52
Merge autoconf-package branch with trunk. (check-in: a72f50ef76 user: dan tags: trunk)
2013-05-27
18:37
Add the "dist" target to main.mk. For building the amalgamation autoconf package. (Closed-Leaf check-in: 3fdc8b5649 user: dan tags: autoconf-package)
17:59
Update the NGQP to record which loops need be run in reverse order to satisfy ORDER BY clauses. (check-in: 211f7a5374 user: drh tags: nextgen-query-plan-exp)