public abstract class ColumnStatsAggregator extends Object
Modifier and Type | Field and Description |
---|---|
int |
numBitVectors |
boolean |
useDensityFunctionForNDVEstimation |
Constructor and Description |
---|
ColumnStatsAggregator() |
Modifier and Type | Method and Description |
---|---|
abstract ColumnStatisticsObj |
aggregate(String colName,
List<String> partNames,
List<ColumnStatistics> css) |
public int numBitVectors
public boolean useDensityFunctionForNDVEstimation
public abstract ColumnStatisticsObj aggregate(String colName, List<String> partNames, List<ColumnStatistics> css) throws MetaException
MetaException
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