org.apache.druid.segment.column

Interface BitmapColumnIndex

All Known Implementing Classes:

AllFalseBitmapColumnIndex, AllTrueBitmapColumnIndex, SimpleBitmapColumnIndex, SimpleImmutableBitmapIndex, SimpleImmutableBitmapIterableIndex

public interface BitmapColumnIndex

Method Summary

Modifier and Type	Method and Description
<T> T	computeBitmapResult(BitmapResultFactory<T> bitmapResultFactory)
double	estimateSelectivity(int totalRows)
ColumnIndexCapabilities	getIndexCapabilities()

Method Detail

getIndexCapabilities

ColumnIndexCapabilities getIndexCapabilities()

estimateSelectivity

double estimateSelectivity(int totalRows)

computeBitmapResult

<T> T computeBitmapResult(BitmapResultFactory<T> bitmapResultFactory)