Class WindowPercentileProcessor
- java.lang.Object
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- org.apache.druid.query.operator.window.ranking.WindowPercentileProcessor
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Constructor Summary
Constructors Constructor Description WindowPercentileProcessor(String outputColumn, int numBuckets)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
getNumBuckets()
String
getOutputColumn()
RowsAndColumns
process(RowsAndColumns incomingPartition)
Applies the logic of the processor to a RowsAndColumns objectString
toString()
boolean
validateEquivalent(Processor otherProcessor)
Validates the equivalence of the Processors.
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Constructor Detail
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WindowPercentileProcessor
public WindowPercentileProcessor(String outputColumn, int numBuckets)
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Method Detail
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getNumBuckets
public int getNumBuckets()
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getOutputColumn
public String getOutputColumn()
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process
public RowsAndColumns process(RowsAndColumns incomingPartition)
Description copied from interface:Processor
Applies the logic of the processor to a RowsAndColumns object
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validateEquivalent
public boolean validateEquivalent(Processor otherProcessor)
Description copied from interface:Processor
Validates the equivalence of the Processors. This is similar to @{code .equals} but is its own method so that it can ignore certain fields that would be important for a true equality check. Namely, two Processors defined the same way but with different output names can be considered equivalent even though they are not equal.This primarily exists to simplify tests, where this equivalence can be used to validate that the Processors created by the SQL planner are actually equivalent to what we expect without needing to be overly dependent on how the planner names the output columns
- Specified by:
validateEquivalent
in interfaceProcessor
- Parameters:
otherProcessor
- the processor to test equivalence of- Returns:
- boolean identifying if these processors should be considered equivalent to each other.
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