All Implemented Interfaces:
Serializable, Comparable<PseudoColumnUsage>, Constable

Enumeration for pseudo/hidden column usage.

Since:
1.7
See Also:
  • Nested Class Summary

  • Enum Constant Summary

    Enum Constants

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

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

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

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

  • Method Summary

    Returns the enum constant of this class with the specified name.

    values()

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

  • Enum Constant Details

    • SELECT_LIST_ONLY

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

    • WHERE_CLAUSE_ONLY

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

    • NO_USAGE_RESTRICTIONS

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

    • USAGE_UNKNOWN

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

  • 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 name
      NullPointerException - if the argument is null