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10966 Commits

Author SHA1 Message Date
drh 8636e9c55c Handle virtual tables correctly when using logarithmic costs. Fixes 
to test cases.

FossilOrigin-Name: e612664aa2e24ed5e222be2c7fe16e210ac9bded
 2013-06-11 01:50:08 +00:00
drh 5822d6feb2 Fix test cases for the new EXPLAIN QUERY PLAN format. Add the 
wherecosttest tool.  Other fixes to logarithm cost.

FossilOrigin-Name: aa580e368e3c398b8377b80342dfdd906324c248
 2013-06-10 23:30:09 +00:00
drh c63367ef68 Fix some minor issues with logarithmic cost in NGQP. 
FossilOrigin-Name: 69cf877283d362915edddf1822fbf7a9f86278b3
 2013-06-10 20:46:50 +00:00
drh b8a8e8a5d2 First attempt to store costs and row counts as a logarithm. 
FossilOrigin-Name: 9e8109673c3a87e379f5a5a97a8b0d5a1afe853d
 2013-06-10 19:12:39 +00:00
drh 3b75ffaaca Simplification and performance tweak to the high-speed NGQP bypass. 
FossilOrigin-Name: 0f8a38ee54208d6a477aa2482cd277b4808450f0
 2013-06-10 14:56:25 +00:00
drh 43b85ef5c6 Performance improvements for whereScan methods. 
FossilOrigin-Name: aae14350a37ad50e4607953ab496cba006032873
 2013-06-10 12:34:45 +00:00
drh cb0071429f Add a high-speed bypass for the NGQP for the common case of a simply query 
with quality constraints that outputs a single row.

FossilOrigin-Name: 8d1ba309211e8afa8be5520bbc1eecf6deacae07
 2013-06-10 12:17:03 +00:00
drh 92a121f46e Minor problems in the high-speed NGQP fixed. 
FossilOrigin-Name: 20eeccf1f24dd762f1bee9c3fe628c70ff01627f
 2013-06-10 12:15:47 +00:00
drh 60c96cd789 High-speed version of NGQP. Still has some minor problems. 
FossilOrigin-Name: db2415fa677b84cd0f6dd424283c94e98d246e3b
 2013-06-09 17:21:25 +00:00
drh 23fec451a6 Must faster computation of estimated logarithm. 
FossilOrigin-Name: dfbca3acaeb862f24f25e7810a16ff2066111ff4
 2013-06-07 02:04:19 +00:00
drh a20141593a Further prepare-time performance improvements. 
FossilOrigin-Name: 02741d177bfc2fca23bc99974cd899eba13cb59a
 2013-06-07 00:29:23 +00:00
drh 13e11b4356 Performance improvements. 
FossilOrigin-Name: 9f8e84ab9874a8af826763b1669adb57abd493ea
 2013-06-06 23:44:25 +00:00
drh 4efc9298fb Improved management of the space to hold WhereLoop.aLTerm[]. 
FossilOrigin-Name: d4141ecbea3abbe83525910684fbd89eb74eeb34
 2013-06-06 23:02:03 +00:00
drh e3be82cf18 Remove some commented-out code that was mistakenly left in the previous 
check-in.

FossilOrigin-Name: b4a5dbad36bceabc5c5350e7676af6ad42de04eb
 2013-06-06 19:25:42 +00:00
drh 70d1834483 Clean up and reorganize the elements of the various objects in the 
analysis tree for the NGQP.

FossilOrigin-Name: bfc76ae1e94fc5b7fd2c9484a36a8dfe6655d165
 2013-06-06 19:16:33 +00:00
drh 6f32848d61 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.

FossilOrigin-Name: 1574653b9b4522b489d4c62d9cf70166bb3bddfd
 2013-06-05 23:39:34 +00:00
drh 783dece5d6 Performance improvement for the OR-clause analysis in the NGQP. 
FossilOrigin-Name: 9b1c4954e468d0acfb5787e6bff56d50a3e7bc1a
 2013-06-05 17:53:43 +00:00
drh e9d935a8aa Minor performance tuning of the NGQP. 
FossilOrigin-Name: cbef38c2d123e7d5a02c2a2450e8b329e3e96ee9
 2013-06-05 16:19:59 +00:00
drh cd0f407c3f Performance tweak to whereLoopInsert(). 
FossilOrigin-Name: 1c4a78807b7a28c9976ca8c5722ff4e2e8755b7e
 2013-06-05 12:47:59 +00:00
drh 6f403ca450 Add a test case contributed on the mailing list 
that works in NGQP but fails in legacy.

FossilOrigin-Name: 96afe50866a08ed14e911c3c955030f7ab83a3ed
 2013-06-05 12:18:15 +00:00
drh e353ee3898 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.

FossilOrigin-Name: cf96eb5945a9bab71104cb1581ee13ab30022566
 2013-06-04 23:40:53 +00:00
drh d84ce35bfd Restore the PRAGMA reverse_unordered_selects behavior. 
FossilOrigin-Name: f49cd6c4e752e39801f9d5de0bc370d26f43837c
 2013-06-04 18:27:41 +00:00
drh 907717fe07 Get the index-only optimization working for OR queries. 
FossilOrigin-Name: 774d5ff857cfad3471401ed518ed0959eb912e6c
 2013-06-04 18:03:22 +00:00
drh aec93a1f2d Test case updates. 
FossilOrigin-Name: 0360fec7c093870269211447e9642b5ee34ff778
 2013-06-04 15:31:16 +00:00
drh ee73b87181 Better determination of when an index is UNIQUE. 
FossilOrigin-Name: 63fd025ad98c33826342824c51436ac92e2bb579
 2013-06-04 13:37:26 +00:00
drh 73843cac73 Increase the estimated full-scan cost for an FTS3 table. 
FossilOrigin-Name: 8d9f29f847f38612447c79a5fb366a9143ef6205
 2013-06-04 13:07:44 +00:00
drh ef71c1f090 Fix a display issue with EXPLAIN QUERY PLAN. 
FossilOrigin-Name: ff2fa407558360f2499b6df0392ab3cdb4788dec
 2013-06-04 12:58:02 +00:00
drh 7699d1c4e5 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.

FossilOrigin-Name: e605c468e3a1163167831c4a6220825c0b5d083b
 2013-06-04 12:42:29 +00:00
drh 7c171098b7 Remove more vestiges of sqlite_query_plan from the test cases. 
FossilOrigin-Name: eb27086e8a8a4d5fcb2ea358256a555e34339423
 2013-06-03 22:08:20 +00:00
drh a3855653ed 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.

FossilOrigin-Name: e2c1af78b65a8ace976fa6c035db212e1ffc79b8
 2013-06-03 21:25:28 +00:00
drh 45c154ac90 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.

FossilOrigin-Name: 6bc71dfcf0ef757c5c2b426dd8fddc1e5ae0f598
 2013-06-03 20:46:35 +00:00
drh f5ad80397d Fix a typo in a collating function inside the e_reindex.test script. 
FossilOrigin-Name: 4d74fccf02134a998a84097b021ba9d501e34ff0
 2013-06-03 20:39:15 +00:00
drh e3b7c9216c Do not use an index fullscan for an UPDATE or DELETE or if disabled by 
sqlite3_test_control() or sqlite3_config().

FossilOrigin-Name: fabb21854e662b1d8e5631e79f828d5322ceb595
 2013-06-03 19:17:40 +00:00
drh 74990dce64 Resolve ambiguities in test cases in collate2.test. 
FossilOrigin-Name: dcbbcb2e6c85780276cb3a392549f70e21e94408
 2013-06-03 19:01:26 +00:00
drh d2b113bc33 Fix a bug in the transitive_closure virtual table that NGQP exposes. 
Update between.test module to avoid using sqlite_query_plan.

FossilOrigin-Name: aa66b864204b4b8717d845499132b987eb8ef924
 2013-06-03 18:50:15 +00:00
drh 44dc8e822b Fix EXPLAIN QUERY PLAN row counts for the rtree virtual table tests. 
FossilOrigin-Name: 15328987cc876d7a4e34561b6b0e08937aefe4be
 2013-06-03 18:14:31 +00:00
drh 6f2bfad24b Update the NGQP to make use of STAT3 information if it is available. 
FossilOrigin-Name: ff134e6ee95d41b0e59e03bba7e94bc15b04ff8c
 2013-06-03 17:35:22 +00:00
drh 3b1d808fab Honor the orderByConsumed boolean returned from virtual table query planner. 
FossilOrigin-Name: aaf7f5896d3523531e1a9a1b90c4ad326f0c8fc7
 2013-06-03 16:56:37 +00:00
drh 5298630631 Fix to the logic that disables constraints on virtual tables. 
FossilOrigin-Name: 62d382406b28c1347e13114f42215939ddfd7a9d
 2013-06-03 16:03:16 +00:00
drh 3a5ba8b1b7 Fix an issue that was causing ORDER BY DESC to come out in ascending order. 
FossilOrigin-Name: 029840124022387a8f6d2e1a685a003688d0ef3a
 2013-06-03 15:34:48 +00:00
drh d108d74d48 Virtual tables now always report 25 rows instead of 0 rows in the 
EXPLAIN QUERY PLAN output.  Adjust tests accordingly.

FossilOrigin-Name: 7d91f688815597ff65ec04b7daa21cb9e5d6bf98
 2013-06-03 15:24:11 +00:00
drh 21f7ff7d22 Set the WHERE_UNIQUE flag on loops that can only run once. 
FossilOrigin-Name: 510f4d8ecf6eb284f14b91951e7236505bd71203
 2013-06-03 15:07:23 +00:00
drh 6186b30901 Add test cases to verify that ticket [bc1aea7b725f2761] has been fixed in 
the NGQP.

FossilOrigin-Name: 9b97af94ae7b1624ef1f5adee58010593fbb8b1c
 2013-06-03 14:15:34 +00:00
drh 348d19c0c4 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].

FossilOrigin-Name: 3bd5ad095b23102dd3379cb62997cbf23cc67b7a
 2013-06-03 12:47:43 +00:00
drh 0e85ccfca5 Further improvements to error handling of the run-time loading of SQLite 
into TCL.

FossilOrigin-Name: 7cc0c4ee11ad250fa848e7da4713d70fc0fa3715
 2013-06-03 12:34:46 +00:00
drh 75b9340520 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.

FossilOrigin-Name: 42511a7e12a70cf3436d25e4d069e5d309dfd678
 2013-05-31 20:43:57 +00:00
drh 79a13bfd1e Do not search using ON clause constraints of LEFT JOINs to the right of 
the table.

FossilOrigin-Name: 723f901a63313b64a9f10516711fb6136526b79b
 2013-05-31 20:28:28 +00:00
drh a1f4124cf8 Make sure a unique cursor number is allocated for automatic indices. 
FossilOrigin-Name: 433d1aecd399590b767ebf07b32023fb718a6574
 2013-05-31 20:00:58 +00:00
drh 0edc94dcc7 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.

FossilOrigin-Name: 665e4291c6e78f11d7181c18c5f2418d1adfcb1c
 2013-05-31 19:14:56 +00:00
drh 76f4cfb2e6 Fix a problem with code generation on LEFT JOIN of tables without an index. 
FossilOrigin-Name: 0b1bee92a0d25f409d5a95f484b05ddf10ae945f
 2013-05-31 18:20:52 +00:00