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3ccc1d6b1e
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Corrected Evgen's fix for bug #45191.
Made sure that join buffers could be used for inner tables of
any semi-join when the first match strategy is employed.
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2010-03-05 10:54:48 -08:00 |
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e0bb2f90a2
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Subquery optimization backport:
- Factor out subquery code into sql/opt_subselect.{h,cc}
- Stop using the term "confluent" (was used due to misreading the dictionary)
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2010-02-16 00:53:06 +03:00 |
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742afd8eae
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Subquery optimizations: Backport into 5.3:
- Enable semi-join handling in the join cache code
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2010-01-19 01:32:23 +03:00 |
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4449a5f489
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Backport into MariaDB-5.2 the following:
WL#2771 "Block Nested Loop Join and Batched Key Access Join"
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2009-12-20 18:26:15 -08:00 |
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