Migration from DB2 to Oracle issue

Question

Hi
I'm migrating an old legacy system from DB2 to Oracle but have the following trouble:
The queries that the app executes have some DB2-specific syntax such as DATE function, example:
select * from TABLE where date_col > DATE('2010/01/01');
The above query works on DB2 but not in Oracle (should be changed to use TO_DATE function but this is not possible initially)
I could create a function in the Oracle db called DATE, something like:
create function date (p_date varchar2) return date is
begin
return to_date(p_date)
end date;
create public synonym date for sys.date;
But DATE is a reserved word and I can't use it as function name
Do you know any way of making the above query work against an Oracle db or transforming the query text before being parsed?
Thanks a lot in advance
--Guillermo                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

Answer 1

As you stated and mentioned in the manual:
http://download.oracle.com/docs/cd/E11882_01/appdev.112/e10830/appb.htm
DATE is a reserved word and thus you need to recode the statement. For example the migration utility is commonly adding an underscore to the function - and this requires again a recoding of the source statements.