Java Module java.sql Package java.sql Enum PseudoColumnUsage（JDK11）

Enum Constant Detail

• 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 Detail

• 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