Enum Class Nullability

java.lang.Object
java.lang.Enum<Nullability>
org.elasticsearch.xpack.esql.core.expression.Nullability
All Implemented Interfaces:
Serializable, Comparable<Nullability>, Constable

public enum Nullability extends Enum<Nullability>
  • Enum Constant Details

    • TRUE

      public static final Nullability TRUE
      Whether the expression can become null
    • FALSE

      public static final Nullability FALSE
      The expression can never become null
    • UNKNOWN

      public static final Nullability UNKNOWN
      Cannot determine if the expression supports possible null folding
  • Method Details

    • values

      public static Nullability[] 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 Nullability 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