Enum Class PseudoColumnUsage
- All Implemented Interfaces:
-
Serializable
,Comparable<PseudoColumnUsage>
,Constable
public enum PseudoColumnUsage extends Enum<PseudoColumnUsage>
Enumeration for pseudo/hidden column usage.
Nested Class Summary
Nested classes/interfaces declared in class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
Enum Constant Summary
Enum Constant | Description |
---|---|
NO_USAGE_RESTRICTIONS |
There are no restrictions on the usage of the pseudo/hidden columns. |
SELECT_LIST_ONLY |
The pseudo/hidden column may only be used in a SELECT list. |
USAGE_UNKNOWN |
The usage of the pseudo/hidden column cannot be determined. |
WHERE_CLAUSE_ONLY |
The pseudo/hidden column may only be used in a WHERE clause. |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
static PseudoColumnUsage |
valueOf |
Returns the enum constant of this class with the specified name. |
static PseudoColumnUsage[] |
values() |
Returns an array containing the constants of this enum class, in the order they are declared. |
Enum Constant Details
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.
Method Details
values
public static PseudoColumnUsage[] 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 PseudoColumnUsage 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
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https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/java/sql/PseudoColumnUsage.html