Enum Class Index.ColumnsType
- All Implemented Interfaces:
Serializable,Comparable<Index.ColumnsType>,Constable
- Enclosing class:
- Index
Type of columns this index supports.
-
Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>> -
Enum Constant Summary
Enum ConstantsEnum ConstantDescriptionType that specifies that ALL columns must be used to be able to utilize this indexType that specifies that at least one column (ANY) must be used to be able to utilize this indexType that specifies that at least one column (ANY) must be used to be able to utilize this index but columns must be used in order from left to right.A special type of index used by catalogs that can use all found columns for a table. -
Method Summary
Modifier and TypeMethodDescriptionstatic Index.ColumnsTypeReturns the enum constant of this class with the specified name.static Index.ColumnsType[]values()Returns an array containing the constants of this enum class, in the order they are declared.
-
Enum Constant Details
-
WILDCARD
A special type of index used by catalogs that can use all found columns for a table. Shortcut type to skip listing all the columns that the table has. Used for example in JDBC-catalog. -
ALL
Type that specifies that ALL columns must be used to be able to utilize this index -
ANY
Type that specifies that at least one column (ANY) must be used to be able to utilize this index -
ANY_IN_ORDER
Type that specifies that at least one column (ANY) must be used to be able to utilize this index but columns must be used in order from left to right.
-
-
Method Details
-
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
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 nameNullPointerException- if the argument is null
-