Class TrimFunction

All Implemented Interfaces:
NamedExpression, HasSQL, Typed

public final class TrimFunction extends Function1_2
A TRIM function.
  • Field Details

    • LEADING

      public static final int LEADING
      The LEADING flag.
      See Also:
    • TRAILING

      public static final int TRAILING
      The TRAILING flag.
      See Also:
    • flags

      private int flags
  • 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
    • getUnenclosedSQL

      public StringBuilder getUnenclosedSQL(StringBuilder builder, int sqlFlags)
      Description copied from class: Expression
      Get the SQL statement of this expression. This may not always be the original SQL statement, especially after optimization. Enclosing '(' and ')' are never appended.
      Overrides:
      getUnenclosedSQL in class Function1_2
      Parameters:
      builder - string builder
      sqlFlags - formatting flags
      Returns:
      the specified string builder
    • getName

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