Class CompressFunction

All Implemented Interfaces:
NamedExpression, HasSQL, Typed

public final class CompressFunction extends Function1_2
A COMPRESS or EXPAND function.
  • Field Details

    • COMPRESS

      public static final int COMPRESS
      COMPRESS() (non-standard).
      See Also:
    • EXPAND

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

      private static final String[] NAMES
    • function

      private final int function
  • Constructor Details

  • Method Details

    • getValue

      public Value getValue(SessionLocal session, Value v1, Value v2)
      Description copied from class: Function1_2
      Returns the value of this function.
      Overrides:
      getValue in class Function1_2
      Parameters:
      session - the session
      v1 - the value of first argument
      v2 - the value of second argument, or null
      Returns:
      the resulting value
    • 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