Package org.apache.druid.segment.metadata

Class AbstractSegmentMetadataCache.LeastRestrictiveTypeMergePolicy

java.lang.Object

org.apache.druid.segment.metadata.AbstractSegmentMetadataCache.LeastRestrictiveTypeMergePolicy

All Implemented Interfaces:

AbstractSegmentMetadataCache.ColumnTypeMergePolicy

Enclosing class:

AbstractSegmentMetadataCache<T extends DataSourceInformation>

public static class AbstractSegmentMetadataCache.LeastRestrictiveTypeMergePolicy
extends Object
implements AbstractSegmentMetadataCache.ColumnTypeMergePolicy

Resolves types using ColumnType.leastRestrictiveType(ColumnType, ColumnType) to find the ColumnType that can best represent all data contained across all segments.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME

Constructor Summary

Constructors

Constructor	Description
LeastRestrictiveTypeMergePolicy()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
ColumnType	merge(ColumnType existingType, ColumnType newType)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

Constructor Details

LeastRestrictiveTypeMergePolicy

public LeastRestrictiveTypeMergePolicy()

Method Details

merge

public ColumnType merge(ColumnType existingType,
 ColumnType newType)

Specified by:

merge in interface AbstractSegmentMetadataCache.ColumnTypeMergePolicy

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object