53cfbe92d1
Make sure that disabling the covering index scan optimization does not
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prevent a covering index from being used to satisfy an ORDER BY clause.
FossilOrigin-Name: e8b7ea8202c443bfc8a978588c7d2cfaa14a8fea
2013-06-13 17:28:22 +00:00
bbe8b24b8d
Restore the ability to do a BETWEEN query on the rowid. Also fix a
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nearby comment.
FossilOrigin-Name: 459a7b9068310b36fed950940d251c4b798ffc58
2013-06-13 15:50:59 +00:00
e1e2e9acd6
Make the MIN() and MAX() macros available in sqliteInt.h. Add TUNING
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comments to the NGQP and adjust costs slightly.
FossilOrigin-Name: 3a72af2a95b04b8e195ef17cb3e9d9021a4f0915
2013-06-13 15:16:53 +00:00
12ffbc7e69
Fix an off-by-one error in the WhereCost to integer conversion.
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FossilOrigin-Name: b5ca80d924f8c6d31f036247ba6e20d234f4482e
2013-06-13 14:51:53 +00:00
3b48e8c91a
Activate the one-pass optimization. Update comments, especially the
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descriptions of the various objects.
FossilOrigin-Name: e120c558a5bafc0f0d2cc12ee5c9d36e20cc642d
2013-06-12 20:18:16 +00:00
95ed68df55
Bug fixes in the handling of virtual tables.
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FossilOrigin-Name: 25c0f7292a20c0db6ef176966d9987f29c7d73e5
2013-06-12 17:55:50 +00:00
37ca04880a
Merge all changes from trunk.
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FossilOrigin-Name: f2e15b1974e55373b5819e3b2326653f890f409f
2013-06-12 17:17:45 +00:00
4fe425ad79
"make test" now passing.
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FossilOrigin-Name: addd7f466d6ff55f82d907286650c26b06e9397b
2013-06-12 17:08:06 +00:00
fd5874d23d
Add the "queryplanner" test permutation. Continuing refinements to NGQP.
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FossilOrigin-Name: 25e2cde105a19293bdb9c001b48624e5d7f8c4e5
2013-06-12 14:52:39 +00:00
e217efc822
Continue refining the NGQP
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FossilOrigin-Name: 40567fddd468d00295275af8df09a7a1785e684a
2013-06-12 03:48:41 +00:00
4f402f26b1
Improved processing of DISTINCT.
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FossilOrigin-Name: ba897100fed291d2025f68d09334f9985312298b
2013-06-11 18:59:38 +00:00
8e23daf372
Fix the Parse.nQueryLoop state variable to work with NGQP.
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FossilOrigin-Name: f1cac24f06b9c71cfa472fdcf2da4cd8689a7cc3
2013-06-11 13:30:04 +00:00
8a4380d761
Fixes to EXPLAIN QUERY PLAN output. Change weights back to something closer
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to what they are in legacy. More test case fixes.
FossilOrigin-Name: 36373b85f9a97840aa06e24ae31c12fcfbae084e
2013-06-11 02:32:50 +00:00
8636e9c55c
Handle virtual tables correctly when using logarithmic costs. Fixes
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to test cases.
FossilOrigin-Name: e612664aa2e24ed5e222be2c7fe16e210ac9bded
2013-06-11 01:50:08 +00:00
5822d6feb2
Fix test cases for the new EXPLAIN QUERY PLAN format. Add the
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wherecosttest tool. Other fixes to logarithm cost.
FossilOrigin-Name: aa580e368e3c398b8377b80342dfdd906324c248
2013-06-10 23:30:09 +00:00
c63367ef68
Fix some minor issues with logarithmic cost in NGQP.
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FossilOrigin-Name: 69cf877283d362915edddf1822fbf7a9f86278b3
2013-06-10 20:46:50 +00:00
b8a8e8a5d2
First attempt to store costs and row counts as a logarithm.
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FossilOrigin-Name: 9e8109673c3a87e379f5a5a97a8b0d5a1afe853d
2013-06-10 19:12:39 +00:00
3b75ffaaca
Simplification and performance tweak to the high-speed NGQP bypass.
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FossilOrigin-Name: 0f8a38ee54208d6a477aa2482cd277b4808450f0
2013-06-10 14:56:25 +00:00
43b85ef5c6
Performance improvements for whereScan methods.
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FossilOrigin-Name: aae14350a37ad50e4607953ab496cba006032873
2013-06-10 12:34:45 +00:00
92a121f46e
Minor problems in the high-speed NGQP fixed.
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FossilOrigin-Name: 20eeccf1f24dd762f1bee9c3fe628c70ff01627f
2013-06-10 12:15:47 +00:00
60c96cd789
High-speed version of NGQP. Still has some minor problems.
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FossilOrigin-Name: db2415fa677b84cd0f6dd424283c94e98d246e3b
2013-06-09 17:21:25 +00:00
fe685c83d3
Candidate fix for a memory leak that occurs if a CREATE TABLE statement
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contains two or more COLLATE clauses on the same column definition.
FossilOrigin-Name: 60fc77bc537b099bdd48916746109d0332f839af
2013-06-08 19:58:27 +00:00
23fec451a6
Must faster computation of estimated logarithm.
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FossilOrigin-Name: dfbca3acaeb862f24f25e7810a16ff2066111ff4
2013-06-07 02:04:19 +00:00
a20141593a
Further prepare-time performance improvements.
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FossilOrigin-Name: 02741d177bfc2fca23bc99974cd899eba13cb59a
2013-06-07 00:29:23 +00:00
13e11b4356
Performance improvements.
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FossilOrigin-Name: 9f8e84ab9874a8af826763b1669adb57abd493ea
2013-06-06 23:44:25 +00:00
4efc9298fb
Improved management of the space to hold WhereLoop.aLTerm[].
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FossilOrigin-Name: d4141ecbea3abbe83525910684fbd89eb74eeb34
2013-06-06 23:02:03 +00:00
e3be82cf18
Remove some commented-out code that was mistakenly left in the previous
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check-in.
FossilOrigin-Name: b4a5dbad36bceabc5c5350e7676af6ad42de04eb
2013-06-06 19:25:42 +00:00
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
6f32848d61
Move the definitions of the WhereLevel and WhereInfo objects out of
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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
783dece5d6
Performance improvement for the OR-clause analysis in the NGQP.
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FossilOrigin-Name: 9b1c4954e468d0acfb5787e6bff56d50a3e7bc1a
2013-06-05 17:53:43 +00:00
e9d935a8aa
Minor performance tuning of the NGQP.
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FossilOrigin-Name: cbef38c2d123e7d5a02c2a2450e8b329e3e96ee9
2013-06-05 16:19:59 +00:00
cd0f407c3f
Performance tweak to whereLoopInsert().
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FossilOrigin-Name: 1c4a78807b7a28c9976ca8c5722ff4e2e8755b7e
2013-06-05 12:47:59 +00:00
e353ee3898
Update some variable names and comments in the ORDER BY optimizer. Fix a
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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
d84ce35bfd
Restore the PRAGMA reverse_unordered_selects behavior.
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FossilOrigin-Name: f49cd6c4e752e39801f9d5de0bc370d26f43837c
2013-06-04 18:27:41 +00:00
907717fe07
Get the index-only optimization working for OR queries.
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FossilOrigin-Name: 774d5ff857cfad3471401ed518ed0959eb912e6c
2013-06-04 18:03:22 +00:00
ee73b87181
Better determination of when an index is UNIQUE.
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FossilOrigin-Name: 63fd025ad98c33826342824c51436ac92e2bb579
2013-06-04 13:37:26 +00:00
ef71c1f090
Fix a display issue with EXPLAIN QUERY PLAN.
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FossilOrigin-Name: ff2fa407558360f2499b6df0392ab3cdb4788dec
2013-06-04 12:58:02 +00:00
7699d1c4e5
Refactor the ORDER BY optimizer in the NGQP so that it is easier to maintain
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and so that it can support optimizing out GROUP BY and DISTINCT clauses.
FossilOrigin-Name: e605c468e3a1163167831c4a6220825c0b5d083b
2013-06-04 12:42:29 +00:00
45c154ac90
Pull in recent trunk changes. Fix the ORDER BY optimizer so that it is better
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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
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
6f2bfad24b
Update the NGQP to make use of STAT3 information if it is available.
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FossilOrigin-Name: ff134e6ee95d41b0e59e03bba7e94bc15b04ff8c
2013-06-03 17:35:22 +00:00
3b1d808fab
Honor the orderByConsumed boolean returned from virtual table query planner.
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FossilOrigin-Name: aaf7f5896d3523531e1a9a1b90c4ad326f0c8fc7
2013-06-03 16:56:37 +00:00
5298630631
Fix to the logic that disables constraints on virtual tables.
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FossilOrigin-Name: 62d382406b28c1347e13114f42215939ddfd7a9d
2013-06-03 16:03:16 +00:00
3a5ba8b1b7
Fix an issue that was causing ORDER BY DESC to come out in ascending order.
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FossilOrigin-Name: 029840124022387a8f6d2e1a685a003688d0ef3a
2013-06-03 15:34:48 +00:00
21f7ff7d22
Set the WHERE_UNIQUE flag on loops that can only run once.
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FossilOrigin-Name: 510f4d8ecf6eb284f14b91951e7236505bd71203
2013-06-03 15:07:23 +00:00
348d19c0c4
Enhance the shell to provide more flexibility when entering numeric arguments
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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
0e85ccfca5
Further improvements to error handling of the run-time loading of SQLite
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into TCL.
FossilOrigin-Name: 7cc0c4ee11ad250fa848e7da4713d70fc0fa3715
2013-06-03 12:34:46 +00:00
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
79a13bfd1e
Do not search using ON clause constraints of LEFT JOINs to the right of
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the table.
FossilOrigin-Name: 723f901a63313b64a9f10516711fb6136526b79b
2013-05-31 20:28:28 +00:00
a1f4124cf8
Make sure a unique cursor number is allocated for automatic indices.
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FossilOrigin-Name: 433d1aecd399590b767ebf07b32023fb718a6574
2013-05-31 20:00:58 +00:00
drh