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 |
int |
numBitVectors |
StringNumDistinctValueEstimator |
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 StringNumDistinctValueEstimator numDV
public int numBitVectors
public boolean firstItem
public int estimate()
GenericUDAFEvaluator.AbstractAggregationBuffer
estimate
in class GenericUDAFEvaluator.AbstractAggregationBuffer
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