Package org.apache.druid.segment.index.semantic

Interface NumericRangeIndexes

public interface NumericRangeIndexes

An optimized column value BitmapColumnIndex provider for specialized processing of numeric value ranges. This index does not match null values, union the results of this index with NullValueIndex if null values should be considered part of the value range.

Method Summary

Modifier and Type	Method	Description
BitmapColumnIndex	forRange(Number startValue, boolean startStrict, Number endValue, boolean endStrict)	Get a BitmapColumnIndex corresponding to the values supplied in the specified range.

Method Details

forRange

@Nullable
BitmapColumnIndex forRange(@Nullable
 Number startValue,
 boolean startStrict,
 @Nullable
 Number endValue,
 boolean endStrict)

Get a BitmapColumnIndex corresponding to the values supplied in the specified range. If supplied starting value is null, the range will begin at the first non-null value in the underlying value dictionary. If the end value is null, the range will extend to the last value in the underlying value dictionary.

If this method returns null it indicates that there is no index available that matches the requested range and a ValueMatcher must be used instead.