Class LengthFunction

All Implemented Interfaces:
NamedExpression, HasSQL, Typed

public final class LengthFunction extends Function1
CHAR_LENGTH(), or OCTET_LENGTH() function.
  • Field Details

    • CHAR_LENGTH

      public static final int CHAR_LENGTH
      CHAR_LENGTH().
      See Also:
    • OCTET_LENGTH

      public static final int OCTET_LENGTH
      OCTET_LENGTH().
      See Also:
    • BIT_LENGTH

      public static final int BIT_LENGTH
      BIT_LENGTH() (non-standard).
      See Also:
    • NAMES

      private static final String[] NAMES
    • function

      private final int function
  • Constructor Details

    • LengthFunction

      public LengthFunction(Expression arg, int function)
  • Method Details

    • getValue

      public Value getValue(SessionLocal session)
      Description copied from class: Expression
      Return the resulting value for the current row.
      Specified by:
      getValue in class Expression
      Parameters:
      session - the session
      Returns:
      the result
    • optimize

      public Expression optimize(SessionLocal session)
      Description copied from class: Expression
      Try to optimize the expression.
      Specified by:
      optimize in class Expression
      Parameters:
      session - the session
      Returns:
      the optimized expression
    • getName

      public String getName()
      Description copied from interface: NamedExpression
      Get the name.
      Returns:
      the name in uppercase