Class Accumulator
java.lang.Object
org.apache.iotdb.db.query.udf.example.Accumulator
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidvoidbeforeStart(UDFParameters parameters, UDTFConfigurations configurations) voidtransform(Row row, PointCollector collector) voidtransform(RowWindow rowWindow, PointCollector collector) voidvalidate(UDFParameterValidator validator)
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Constructor Details
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Accumulator
public Accumulator()
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Method Details
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validate
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beforeStart
- Specified by:
beforeStartin interfaceUDTF
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transform
- Specified by:
transformin interfaceUDTF- Throws:
IOException
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transform
- Specified by:
transformin interfaceUDTF- Throws:
IOException
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beforeDestroy
public void beforeDestroy()- Specified by:
beforeDestroyin interfaceUDF
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