Package org.apache.calcite.util

Class Smalls.Null4Function

  • Enclosing class:
    Smalls
    public static class Smalls.Null4Function
extends java.lang.Object
    Example of a semi-strict UDF. (Returns null if its parameter is null or if its length is 4.)

    • Constructor Summary

      Constructors 
      Constructor Description
      Null4Function()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String eval​(java.lang.String s)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Null4Function

        public Null4Function()

    • Method Detail

      • eval

        public static java.lang.String eval​(java.lang.String s)