Class DataToItemsSketchUDAF.DataToItemsSketchEvaluator<T>
- java.lang.Object
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- org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator
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- org.apache.datasketches.hive.frequencies.DataToItemsSketchUDAF.DataToItemsSketchEvaluator<T>
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- All Implemented Interfaces:
Closeable,AutoCloseable
- Enclosing class:
- DataToItemsSketchUDAF<T>
public abstract static class DataToItemsSketchUDAF.DataToItemsSketchEvaluator<T> extends org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AbstractAggregationBuffer, org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer, org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationType, org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode
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Field Summary
Fields Modifier and Type Field Description protected org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspectorinputObjectInspector
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Constructor Summary
Constructors Constructor Description DataToItemsSketchEvaluator(org.apache.datasketches.common.ArrayOfItemsSerDe<T> serDe)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract TextractValue(Object data, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector objectInspector)org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffergetNewAggregationBuffer()org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorinit(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode mode, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] parameters)voiditerate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf, Object[] data)voidmerge(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf, Object data)voidreset(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf)Objectterminate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf)ObjectterminatePartial(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf)
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Constructor Detail
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DataToItemsSketchEvaluator
public DataToItemsSketchEvaluator(org.apache.datasketches.common.ArrayOfItemsSerDe<T> serDe)
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Method Detail
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init
public org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector init(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode mode, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] parameters) throws org.apache.hadoop.hive.ql.metadata.HiveException- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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iterate
public void iterate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf, Object[] data) throws org.apache.hadoop.hive.ql.metadata.HiveException- Specified by:
iteratein classorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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extractValue
public abstract T extractValue(Object data, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector objectInspector) throws org.apache.hadoop.hive.ql.metadata.HiveException
- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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reset
public void reset(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf) throws org.apache.hadoop.hive.ql.metadata.HiveException- Specified by:
resetin classorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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terminatePartial
public Object terminatePartial(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf) throws org.apache.hadoop.hive.ql.metadata.HiveException
- Specified by:
terminatePartialin classorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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merge
public void merge(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf, Object data) throws org.apache.hadoop.hive.ql.metadata.HiveException- Specified by:
mergein classorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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terminate
public Object terminate(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer buf) throws org.apache.hadoop.hive.ql.metadata.HiveException
- Specified by:
terminatein classorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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getNewAggregationBuffer
public org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AggregationBuffer getNewAggregationBuffer() throws org.apache.hadoop.hive.ql.metadata.HiveException- Specified by:
getNewAggregationBufferin classorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator- Throws:
org.apache.hadoop.hive.ql.metadata.HiveException
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