public static class GenericUDAFComputeStats.GenericUDAFStringStatsEvaluator.StringStatsAgg extends GenericUDAFEvaluator.AbstractAggregationBuffer
Modifier and Type | Field and Description |
---|---|
String |
columnType |
long |
count |
long |
countNulls |
boolean |
firstItem |
long |
maxLength |
NumDistinctValueEstimator |
numDV |
long |
sumLength |
Constructor and Description |
---|
StringStatsAgg() |
Modifier and Type | Method and Description |
---|---|
int |
estimate()
Estimate the size of memory which is occupied by aggregation buffer.
|
public String columnType
public long maxLength
public long sumLength
public long count
public long countNulls
public NumDistinctValueEstimator numDV
public boolean firstItem
public int estimate()
GenericUDAFEvaluator.AbstractAggregationBuffer
estimate
in class GenericUDAFEvaluator.AbstractAggregationBuffer
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