Package io.substrait.relation.extensions

Class EmptyDetail

java.lang.Object

io.substrait.relation.extensions.EmptyDetail

All Implemented Interfaces:

Extension.DdlExtensionObject, Extension.ExtensionTableDetail, Extension.LeafRelDetail, Extension.MultiRelDetail, Extension.SingleRelDetail, Extension.WriteExtensionObject, ToProto<com.google.protobuf.Any>

public class EmptyDetail
extends Object
implements Extension.LeafRelDetail, Extension.MultiRelDetail, Extension.SingleRelDetail, Extension.ExtensionTableDetail, Extension.WriteExtensionObject, Extension.DdlExtensionObject

Default type to which google.protobuf.Any detail messages are converted to by the ProtoRelConverter

Constructor Summary

Constructors

Constructor	Description
EmptyDetail()

Method Summary

Modifier and Type	Method	Description
Type.Struct	deriveRecordType()
Type.Struct	deriveRecordType(Rel input)
Type.Struct	deriveRecordType(List<Rel> inputs)
NamedStruct	deriveSchema()
boolean	equals(Object o)
int	hashCode()
com.google.protobuf.Any	toProto(RelProtoConverter converter)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

EmptyDetail

public EmptyDetail()

Method Details

toProto

public com.google.protobuf.Any toProto(RelProtoConverter converter)

Specified by:

toProto in interface ToProto<com.google.protobuf.Any>

deriveRecordType

public Type.Struct deriveRecordType()

Specified by:

deriveRecordType in interface Extension.LeafRelDetail

Returns:

the record layout for the associated ExtensionLeaf relation

deriveRecordType

public Type.Struct deriveRecordType(Rel input)

Specified by:

deriveRecordType in interface Extension.SingleRelDetail

Parameters:

input - to the associated ExtensionSingle relation

Returns:

the record layout for the associated ExtensionSingle relation

deriveRecordType

public Type.Struct deriveRecordType(List<Rel> inputs)

Specified by:

deriveRecordType in interface Extension.MultiRelDetail

Parameters:

inputs - to the associated ExtensionMulti relation

Returns:

the record layout for the associated ExtensionMulti relation

deriveSchema

public NamedStruct deriveSchema()

Specified by:

deriveSchema in interface Extension.ExtensionTableDetail

Returns:

the table schema for the associated ExtensionTable relation

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object