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java.lang.Objectorg.apache.hadoop.hive.ql.optimizer.MapJoinFactory
public class MapJoinFactory
Operator factory for MapJoin processing
Nested Class Summary | |
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static class |
MapJoinFactory.MapJoin
MapJoin followed by Select |
static class |
MapJoinFactory.MapJoinMapJoin
MapJoin followed by MapJoin |
static class |
MapJoinFactory.ReduceSinkMapJoin
ReduceSink followed by MapJoin |
static class |
MapJoinFactory.TableScanMapJoin
TableScan followed by MapJoin |
static class |
MapJoinFactory.UnionMapJoin
Union followed by MapJoin |
Constructor Summary | |
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MapJoinFactory()
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Method Summary | |
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static NodeProcessor |
getMapJoin()
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static NodeProcessor |
getMapJoinMapJoin()
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static int |
getPositionParent(MapJoinOperator op,
Stack<Node> stack)
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static NodeProcessor |
getReduceSinkMapJoin()
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static NodeProcessor |
getTableScanMapJoin()
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static NodeProcessor |
getUnionMapJoin()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MapJoinFactory()
Method Detail |
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public static int getPositionParent(MapJoinOperator op, Stack<Node> stack)
public static NodeProcessor getTableScanMapJoin()
public static NodeProcessor getUnionMapJoin()
public static NodeProcessor getReduceSinkMapJoin()
public static NodeProcessor getMapJoin()
public static NodeProcessor getMapJoinMapJoin()
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