Class NullResultVectorCacheImpl
java.lang.Object
org.apache.drill.exec.physical.resultSet.impl.NullResultVectorCacheImpl
- All Implemented Interfaces:
ResultVectorCache
A vector cache implementation which does not actually cache.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionchildCache
(String colName) boolean
vectorFor
(MaterializedField colSchema)
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Constructor Details
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NullResultVectorCacheImpl
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Method Details
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allocator
- Specified by:
allocator
in interfaceResultVectorCache
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vectorFor
- Specified by:
vectorFor
in interfaceResultVectorCache
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getType
- Specified by:
getType
in interfaceResultVectorCache
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isPermissive
public boolean isPermissive()- Specified by:
isPermissive
in interfaceResultVectorCache
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childCache
- Specified by:
childCache
in interfaceResultVectorCache
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