org.apache.druid.segment.column

Interface ColumnCapabilities.CoercionLogic

Enclosing interface:

ColumnCapabilities

public static interface ColumnCapabilities.CoercionLogic

This interface define the shape of a mechnism to allow for bespoke coercion of ColumnCapabilities.Capable.UNKNOWN into ColumnCapabilities.Capable.TRUE or ColumnCapabilities.Capable.FALSE for each ColumnCapabilities.Capable of a ColumnCapabilities, as is appropriate for the situation of the caller.

Method Summary

Modifier and Type	Method and Description
boolean	dictionaryEncoded() If ColumnCapabilities.isDictionaryEncoded() is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.
boolean	dictionaryValuesSorted() If ColumnCapabilities.areDictionaryValuesSorted() ()} is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.
boolean	dictionaryValuesUnique() If ColumnCapabilities.areDictionaryValuesUnique() ()} is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.
boolean	hasNulls() If ColumnCapabilities.hasNulls() is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false
boolean	multipleValues() If ColumnCapabilities.hasMultipleValues() is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.

Method Detail

dictionaryEncoded

boolean dictionaryEncoded()

If ColumnCapabilities.isDictionaryEncoded() is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.

dictionaryValuesSorted

boolean dictionaryValuesSorted()

If ColumnCapabilities.areDictionaryValuesSorted() ()} is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.

dictionaryValuesUnique

boolean dictionaryValuesUnique()

If ColumnCapabilities.areDictionaryValuesUnique() ()} is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.

multipleValues

boolean multipleValues()

If ColumnCapabilities.hasMultipleValues() is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false.

hasNulls

boolean hasNulls()

If ColumnCapabilities.hasNulls() is ColumnCapabilities.Capable.UNKNOWN, define if it should be treated as true or false