Strange errors when using user defined function in where clause

Question

Hello,
I am having trouble with a function that, when used in the where clause of a select will cause an error if the first column selected is of type INTEGER. Not sure whether I am doing something wrong or whether this is a bug.
Here is a very simple test case:
create table test(
col1 integer not null,
col2 varchar(20) ascii default ''
insert into test values(1,'2011-03-15 05:00:00')
insert into test values(2,'2011-03-15 07:00:00')
CREATE FUNCTION BTR_TAG  RETURNS VARCHAR AS
    VAR ret VARCHAR(20);
  SET ret='2011-03-15 06:00:00';
  RETURN ret;
Select * from test where col2 >= BTR_TAG()
Select col1,col2 from test where col2 >= BTR_TAG()
=>  Error in assignment;-3016 POS(1) Invalid numeric constant
Select '',* from test where col2 >= BTR_TAG()
Select col2,col1 from test where col2 >= BTR_TAG()
=> works as it should
MaxDB V 7.7.07.16 running on Windows Server 2003
I can replicated the test case above with Sql Studio and other ODBC based tools.
Thanks in advance,
Silke Arnswald

Answer 1

Hello Siva,
sorry, but I don't understand your reply:
This is not right forum to posting this question.
You are from which module or working any 3rd party application.
MaxDB 7.7.07.16 is the community version of MaxDb,
we are not using it for SAP
and no 3rd party software is required to reproduce my problem,
Sql Studio or Database Studio will do.
Regards,
Silke Arnswald