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* Fixed bug mdev-3913.Igor Babaev2013-02-201-2/+2
* BUG#913030: Optimizer chooses a suboptimal excution plan for Q18 from DBT-3Sergey Petrunya2012-04-021-8/+8
* BUG#923246: Loosescan reports different result than other semijoin methodsSergey Petrunya2012-01-301-1/+1
* Adjust test results after Monty's push of the newunknown2012-01-181-0/+1
* Back-ported the patch of the mysql-5.6 code line thatIgor Babaev2011-12-241-6/+6
* MergeIgor Babaev2011-12-151-1/+4
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| * Made join_cache_level == 2 by default.Igor Babaev2011-12-151-1/+4
* | BUG#901399: Wrong result (extra row) with semijoin=ON, materialization=OFF, o...Sergey Petrunya2011-12-161-2/+2
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* Small semi-join optimization improvement:Sergey Petrunya2011-12-081-5/+5
* Make subquery Materialization, as well as semi-join Materialization be shownSergey Petrunya2011-12-051-2/+2
* Set new default values for the optimizer switch flags 'derived_merge'Igor Babaev2011-11-261-0/+3
* MergeSergey Petrunya2011-11-251-24/+24
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| * Semi-join optimizations code cleanup part 2:Sergey Petrunya2011-11-251-24/+24
* | Merge enabling of materialization=on by default with main tree.unknown2011-11-211-6/+21
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| * | Enable subquery materialization=ON by default.unknown2011-11-091-6/+21
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* | Merge.Igor Babaev2011-11-151-1/+1
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| * | Fixed LP bug #889750.Igor Babaev2011-11-151-1/+1
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* | Fix for LP BUG#824425: Prohibiting subqueries in rows for left part of IN/ALL...unknown2011-11-131-0/+47
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* Making subquery cache on by default.unknown2011-10-051-12/+12
* The previous correction of the cost estimate to access a joined tableIgor Babaev2011-09-301-2/+0
* Fixed a cost estimation bug introduced into in the function best_access_pathIgor Babaev2011-09-301-5/+8
* Made the optimizer switches 'derived_merge' and 'derived_with_keys'Igor Babaev2011-07-211-2/+3
* Merge of subquery cache off by default.unknown2011-07-151-12/+12
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| * Make subquery cache off by default.unknown2011-07-151-12/+12
* | Changed the default setting of the optimizer switch 'optimize_join_buffer_size'.Igor Babaev2011-07-141-0/+1
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* Set the default to be mrr=off,mrr_sort_keys=off:Sergey Petrunya2011-07-081-0/+1
* Change the default @@optimizer_switch setting fromSergey Petrunya2011-07-051-5/+6
* Merged the code of MWL#106 into 5.3Igor Babaev2011-05-161-4/+3
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| * Merge of the mwl106 tree into the latest 5.3 tree.Igor Babaev2010-09-231-4/+3
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| | * MWL#106: Backport optimizations for derived tables and views.Igor Babaev2010-05-261-4/+3
* | | MWL#89unknown2011-05-021-80/+68
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| * | | Fix LP BUG#718593unknown2011-04-281-2/+2
| * | | Fix LP BUG#715069unknown2011-04-201-6/+6
| * | | MWL#89unknown2011-03-011-15/+15
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| * \ \ \ MWL#89unknown2011-03-011-74/+62
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| | * | | | MWL#89unknown2011-02-031-71/+54
| | * | | | Merge MWL#89 into 5.3 main.unknown2011-01-111-3/+8
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| | | * \ \ \ MWL#89: Cost-based choice between Materialization and IN->EXISTS transformationunknown2010-11-051-3/+8
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| | | | * | | MWL#89: Cost-based choice between Materialization and IN->EXISTS transformationunknown2010-09-301-3/+8
* | | | | | | BUG#752992: Wrong results for a subquery with 'semijoin=on'Sergey Petrunya2011-04-081-3/+3
* | | | | | | Make EXPLAIN better at displaying MRR/BKA:Sergey Petrunya2011-04-021-9/+9
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* | | | | | BNLH algorithm always used a full table scan over the joined tableIgor Babaev2011-02-231-7/+7
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* | | | | MergeIgor Babaev2011-01-211-11/+11
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| * | | | The patch adds the code that allows to use equi-join conditionsIgor Babaev2011-01-041-11/+11
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* | | | Fixed LP bug #664594 and other bugs leading to invalid executionIgor Babaev2010-11-031-16/+22
* | | | Merge 5.3-mwl128 -> 5.3Igor Babaev2010-10-271-44/+50
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| * | | MWL#128: Added into EXPLAIN output info about types of the used join buffers andIgor Babaev2010-10-181-38/+38
| * | | Fixed bug #52636.Igor Babaev2010-09-281-1/+1
| * | | The main patch for MWL#128: Implement Block Nested Loop Hash Join.Igor Babaev2010-08-311-5/+11
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* | | Fixed LP BUG#615760: Check on double cache assignment added into the transfor...unknown2010-09-061-13/+13
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