Package io.substrait.relation

Enum Class AbstractDdlRel.DdlOp

java.lang.Object

java.lang.Enum<AbstractDdlRel.DdlOp>

io.substrait.relation.AbstractDdlRel.DdlOp

All Implemented Interfaces:

Serializable, Comparable<AbstractDdlRel.DdlOp>, Constable

Enclosing class:

AbstractDdlRel

public static enum AbstractDdlRel.DdlOp
extends Enum<AbstractDdlRel.DdlOp>

DDL operations.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALTER	Alter an existing object.
CREATE	Create a new object.
CREATE_OR_REPLACE	Create or replace the object.
DROP	Drop an object.
DROP_IF_EXIST	Drop an object if it exists.
UNSPECIFIED	Unspecified operation.

Method Summary

Modifier and Type	Method	Description
static AbstractDdlRel.DdlOp	fromProto(DdlRel.DdlOp proto)	Maps a protobuf value to this enum.
DdlRel.DdlOp	toProto()	Converts this enum to its protobuf counterpart.
static AbstractDdlRel.DdlOp	valueOf(String name)	Returns the enum constant of this class with the specified name.
static AbstractDdlRel.DdlOp[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

UNSPECIFIED

public static final AbstractDdlRel.DdlOp UNSPECIFIED

Unspecified operation.

CREATE

public static final AbstractDdlRel.DdlOp CREATE

Create a new object.

CREATE_OR_REPLACE

public static final AbstractDdlRel.DdlOp CREATE_OR_REPLACE

Create or replace the object.

ALTER

public static final AbstractDdlRel.DdlOp ALTER

Alter an existing object.

DROP

public static final AbstractDdlRel.DdlOp DROP

Drop an object.

DROP_IF_EXIST

public static final AbstractDdlRel.DdlOp DROP_IF_EXIST

Drop an object if it exists.

Method Details

values

public static AbstractDdlRel.DdlOp[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static AbstractDdlRel.DdlOp valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

toProto

public DdlRel.DdlOp toProto()

Converts this enum to its protobuf counterpart.

Returns:

protobuf enum value

fromProto

public static AbstractDdlRel.DdlOp fromProto(DdlRel.DdlOp proto)

Maps a protobuf value to this enum.

Parameters:

proto - protobuf enum value

Returns:

matching DdlOp

Throws:

IllegalArgumentException - if unknown