[Zope] Field type 'Date' in SQL request

[Dieter Maurer]

Matthew T. Kromer writes:
 > Here's the action from the Oracle error message guide:
 > 
 > > Action: Enter a valid column name. A valid column name must begin with 
 > > a letter, be less than or equal to 30 characters, and consist of only 
 > > alphanumeric characters and the special characters $, _, and #. If it 
 > > contains other characters, it must be enclosed in double quotation 
 > > marks. It may not be a reserved word.
 > 
 > I read that as being that you can't use TO_CHAR() as a column name in 
 > your where clause; the TO_CHAR must be on the right-hand-side of the 
 > expression e.g.
 > 
 >    where
 >        DATE_NAI_IND = TO_DATE('08/08/1997', 'dd/mm/yyyy')
 > 
 > although normally Oracle will do string to date conversion for you 
 > automatically.
I do not think, this is the problem::

  in order to implement case insensitive search, I used:

     where ... lower(column_name) like/= lower(literal) ...

  and Oracle did not complain. I expect, the left side of
  "=/like" is not restricted to a column name.


Dieter