Enum PseudoColumnUsage

public enum PseudoColumnUsage
extends Enum<PseudoColumnUsage>

Enum Constants

SELECT_LIST_ONLY

public static final PseudoColumnUsage SELECT_LIST_ONLY

The pseudo/hidden column may only be used in a SELECT list.

WHERE_CLAUSE_ONLY

public static final PseudoColumnUsage WHERE_CLAUSE_ONLY

The pseudo/hidden column may only be used in a WHERE clause.

NO_USAGE_RESTRICTIONS

public static final PseudoColumnUsage NO_USAGE_RESTRICTIONS

There are no restrictions on the usage of the pseudo/hidden columns.

USAGE_UNKNOWN

public static final PseudoColumnUsage USAGE_UNKNOWN

The usage of the pseudo/hidden column cannot be determined.

Methods

values

public static PseudoColumnUsage[] 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 (PseudoColumnUsage c : PseudoColumnUsage.values())
    System.out.println(c);

Returns:

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

valueOf

public static PseudoColumnUsage 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