b543bcc7df
executor: joinGenerator use chunk.Iterator ( #5500 )
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So NestedLoopApply can use *chunk.List to generate results and reuse the memory.
2017-12-26 18:47:29 +08:00
ccc10a56a6
executor: support Chunk for NestedLoopApply ( #5475 )
2017-12-26 13:37:19 +08:00
a386528393
executor: merge ApplyExec and NestedLoopJoin into NestedLoopApply. ( #5471 )
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NestedLoopJoin is only used in ApplyJoinExec and ApplyJoinExec only has NestedLoopJoin.
Merge them into one simplifies the logic.
2017-12-22 13:44:43 +08:00
2c6d1cf8fa
plan,executor: remove HashSemiJoin ( #5467 )
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HashSemiJoin is only used in Apply, it exists only because NestedLoopJoin doesn't support SemiJoin type.
This PR support SemiJoin type in NestedLoopJoin executor, so HashSemiJoin can be removed.
2017-12-22 12:25:42 +08:00
fb610e6429
*: change executor Next() interface to Next(goctx.Context) ( #5223 )
2017-11-26 21:17:33 -06:00
02f6bb27c7
*: remove goCtx from session struct ( #5174 )
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1. go context should not be stored
2. change Executor interface to Open(goctx.Context)
3. many other changes forced by this refactor
2017-11-22 02:17:38 -06:00
cd5c665c8c
executor: use baseExecutor for all Executors ( #5087 )
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Makes it easy to add new method on Executor interface.
2017-11-13 21:06:31 +08:00
