[Hibernate-issues] [Hibernate-JIRA] Commented: (HB-474) adding Criteria.count() method

[<leg...@at...>]

The following comment has been added to this issue:

     Author: Eitan Suez
    Created: Tue, 11 Jan 2005 9:33 AM
       Body:
kai wrote:
> If Class A is an implementation of the interface MyInterface:
>   session.createCriteria(MyInterface.class).list() works fine
>   session.createCriteria(MyInterface.class).count() fails with :
>     net.sf.hibernate.MappingException: Unknown entity class: MyInterface.class
>   session.createCriteria(A.class).count() works fine again
> 
> Is there something missing in the patch?

i don't think this has anything to do with this patch.
for example:  take the criteria api out of the
equation and fall back to hql instead:
  can you perform hql queries based on interfaces??
i don't think so.

e.g.:
  from <interfacename>
will surely throw an "Unknown Entity Class" exception.


/ eitan

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View this comment:
  http://opensource.atlassian.com/projects/hibernate/browse/HB-474?page=comments#action_15534

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View the issue:
  http://opensource.atlassian.com/projects/hibernate/browse/HB-474

Here is an overview of the issue:
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        Key: HB-474
    Summary: adding Criteria.count() method
       Type: Patch

     Status: Unassigned
   Priority: Major

 Original Estimate: Unknown
 Time Spent: Unknown
  Remaining: Unknown

    Project: Hibernate2
 Components: 
             core
   Versions:
             2.1
             2.1 rc1

   Assignee: 
   Reporter: Chris Nelson

    Created: Sun, 16 Nov 2003 12:53 PM
    Updated: Tue, 11 Jan 2005 9:33 AM

Description:
Adds a count() method to the Criteria class that does a modified query to return the count without returning entire query.


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