public static String getAlias(Function function) {
        String functionAlias = getStringProperty(function,Function.PROP_NAME);
        if(!functionAlias.isEmpty()) {
            return functionAlias;
        }
        return function.getClass().getSimpleName();
    }
public static String getAlias ( Function function ) { String functionAlias = getStringProperty ( function , Function . PROP_NAME ) ; if ( ! functionAlias . isEmpty ( ) ) { return functionAlias ; } return function . getClass ( ) . getSimpleName ( ) ; }
Return the alias name of the function
@param function Function instance
@return the function ALIAS, name of the function in SQL engine