org.apache.tajo.plan.logical

Enum NodeType

java.lang.Object

java.lang.Enum<NodeType>

org.apache.tajo.plan.logical.NodeType

All Implemented Interfaces:

Serializable, Comparable<NodeType>

public enum NodeType
extends Enum<NodeType>

This indicates a logical node type.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ALTER_TABLE
ALTER_TABLESPACE
BST_INDEX_SCAN
CREATE_DATABASE
CREATE_TABLE
DISTINCT_GROUP_BY
DROP_DATABASE
DROP_TABLE
EXCEPT
EXPRS
GROUP_BY
HAVING
INSERT
INTERSECT
JOIN
LIMIT
PARTITIONS_SCAN
PROJECTION
ROOT
SCAN
SELECTION
SET_SESSION
SORT
STORE
TABLE_SUBQUERY
TRUNCATE_TABLE
UNION
WINDOW_AGG

Method Summary

Methods

Modifier and Type	Method and Description
Class<? extends LogicalNode>	getBaseClass()
static NodeType	valueOf(String name) Returns the enum constant of this type with the specified name.
static NodeType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

SET_SESSION

public static final NodeType SET_SESSION

ROOT

public static final NodeType ROOT

EXPRS

public static final NodeType EXPRS

PROJECTION

public static final NodeType PROJECTION

LIMIT

public static final NodeType LIMIT

WINDOW_AGG

public static final NodeType WINDOW_AGG

SORT

public static final NodeType SORT

HAVING

public static final NodeType HAVING

DISTINCT_GROUP_BY

public static final NodeType DISTINCT_GROUP_BY

GROUP_BY

public static final NodeType GROUP_BY

SELECTION

public static final NodeType SELECTION

JOIN

public static final NodeType JOIN

UNION

public static final NodeType UNION

INTERSECT

public static final NodeType INTERSECT

EXCEPT

public static final NodeType EXCEPT

TABLE_SUBQUERY

public static final NodeType TABLE_SUBQUERY

SCAN

public static final NodeType SCAN

PARTITIONS_SCAN

public static final NodeType PARTITIONS_SCAN

BST_INDEX_SCAN

public static final NodeType BST_INDEX_SCAN

STORE

public static final NodeType STORE

INSERT

public static final NodeType INSERT

CREATE_DATABASE

public static final NodeType CREATE_DATABASE

DROP_DATABASE

public static final NodeType DROP_DATABASE

CREATE_TABLE

public static final NodeType CREATE_TABLE

DROP_TABLE

public static final NodeType DROP_TABLE

ALTER_TABLESPACE

public static final NodeType ALTER_TABLESPACE

ALTER_TABLE

public static final NodeType ALTER_TABLE

TRUNCATE_TABLE

public static final NodeType TRUNCATE_TABLE

Method Detail

values

public static NodeType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (NodeType c : NodeType.values())
    System.out.println(c);

Returns:

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

valueOf

public static NodeType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type has no constant with the specified name

NullPointerException - if the argument is null

getBaseClass

public Class<? extends LogicalNode> getBaseClass()