Package org.apache.drill.exec.planner.sql.parser

Enum SqlCreateType

java.lang.Object

java.lang.Enum<SqlCreateType>

org.apache.drill.exec.planner.sql.parser.SqlCreateType

All Implemented Interfaces:

Serializable, Comparable<SqlCreateType>

public enum SqlCreateType
extends Enum<SqlCreateType>

Enum which indicates type of CREATE statement.

Enum Constant Summary

Enum Constants

Enum Constant	Description
IF_NOT_EXISTS	Before CREATE command execution checks if object to be created exists.
OR_REPLACE	Before CREATE command execution checks if object to be created exists.
SIMPLE	Attempts to execute CREATE command without checking if object to be created exists.

Method Summary

Modifier and Type	Method	Description
static SqlCreateType	valueOf(String name)	Returns the enum constant of this type with the specified name.
static SqlCreateType[]	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 Details

SIMPLE

public static final SqlCreateType SIMPLE

Attempts to execute CREATE command without checking if object to be created exists. Will fail if object to be created exists.

OR_REPLACE

public static final SqlCreateType OR_REPLACE

Before CREATE command execution checks if object to be created exists. If object to be created exists, will drop it and proceed execution.

IF_NOT_EXISTS

public static final SqlCreateType IF_NOT_EXISTS

Before CREATE command execution checks if object to be created exists. If object to be created exists, does nothing.

Method Details

values

public static SqlCreateType[] values()

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

Returns:

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

valueOf

public static SqlCreateType 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