GenericUDAFComputeStats.GenericUDAFNumericStatsEvaluator.NumericStatsAgg (Hive 3.1.1 API)

java.lang.Object
- org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.AbstractAggregationBuffer
- - org.apache.hadoop.hive.ql.udf.generic.GenericUDAFComputeStats.GenericUDAFNumericStatsEvaluator.NumericStatsAgg

Fields
Modifier and Type	Field and Description
`String`	`columnType`
`long`	`countNulls`
`V`	`max`
`V`	`min`
`NumDistinctValueEstimator`	`numDV`

Constructors
Constructor and Description
`NumericStatsAgg()`

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`estimate()` Estimate the size of memory which is occupied by aggregation buffer.
`protected void`	`initNDVEstimator(String func, int numBitVectors)`
`void`	`reset(String type)`
`protected Object`	`serialize(Object[] result)`
`protected Object`	`serializePartial(Object[] result)`
`protected abstract void`	`update(Object p, PrimitiveObjectInspector inputOI)`
`protected abstract void`	`updateMax(Object maxValue, OI maxOI)`
`protected abstract void`	`updateMin(Object minValue, OI minOI)`

protected void initNDVEstimator(String func,
                                int numBitVectors)

protected abstract void update(Object p,
                               PrimitiveObjectInspector inputOI)

protected abstract void updateMin(Object minValue,
                                  OI minOI)

protected abstract void updateMax(Object maxValue,
                                  OI maxOI)

protected Object serialize(Object[] result)

protected Object serializePartial(Object[] result)

public void reset(String type)
           throws HiveException

Class GenericUDAFComputeStats.GenericUDAFNumericStatsEvaluator.NumericStatsAgg