Custom queries

Hi,
I have an existing business entity interface hierarchy that I have mapped, let's call it IAnimal, with subclasses, for example, of IDog and ICat
These entities are maintained within a logical repository structure (i.e. a folder hierarchy). I want to perform paged querying, with the order based upon the repository folder structure full path name.
I can use Oracle features to do the hierarchical query, and have custom application code to handle the paging: provided I can query the business entity AND it's repository folder full path name in one hit.
Is there a mapping that support's this?
Ideally I would have a new concrete type, something like IAnimalSearchResult that contains two attributes, an[i] IAnimal reference and a simple String field representing the full path....
So querying on[i] IAnimalSearchResult would return all IAnimals (and sub types thereof), as well as its location in the repository.
Can I map "Container/Delegated attributes" like this?
Can I map my dynamically generated query result to a class attribute?
Thanks
Mike

First, yes the default queries for an attribute mapping can be overridden with custom queries.
collectionMapping.setSelectionQuery(customReadAllQuery);
However given that this mapping would need to be readonly I would recommend having the getter in your application simply execute the TopLink query to retreive the results. The only benefit to mapping would be to make use of the TopLink's refresh functionality.
--Gordon

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If you are working with BOE and .NET, please post the query to the ".NET Development - BusinessObjects Enterprise forum:
.NET SDK Application Development
If you are working within BOE, please post this query to the Business Objects Enterprise Administration forum:
BI Platform
That forum is monitored by qualified technicians and you will get a faster response there. Also, all BOE queries remain in one place and thus can be easily searched in one place.
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Jerry,
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Hi All ,
I want to know if I can create Custom queries of Execution type java which have Query Executor class.
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Hi
I understand your requirement is to customize Search Master Agreements and Agreements query and display the new custom report in the Contract Management dropdown on workbench along with other queries.
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Florian

Moderator message - this is wrong on so many levels, I don't know where to begin, Maybe someone can help me.
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Hi everyone,
I need to keep my beans in a tree-like structure...
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Nille

You can use EJBQL to execute the query, if you are using ejb2.0. In your ejb-jar.xml you will need to add the query you want to execute something similar to:
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<method-params>
<method-param>String</method-param>
</method-params>
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This tag goes after the <primkey-field> inside your beans <entity> tag.
You also need to add the method signiture to your home interface.
public Collection findByParent(String parent) throws FinderException, RemoteException;
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I am trying to create Crystal reports (EBO R3.1, Oracle 11g Database, CR2008) based on custom queries. Tried using different kinds of Data Sources but getting stuck once I export them to Infoview.
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Edited by: SBat22 on Apr 13, 2011 5:58 PM

Thanks for moving it to the right forum!!
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We are a fairly new BI installation. I'm interested in the approach other installations take to creation of queries in the production environment. Is it standard to create most queries directly into the production system? Or is it standard to develop the queries in the development system and transport them through to production?

Hi,
Best practices applied to all developments whether it is R/3, BI modelling or Reporting and as per the best practice we do development in Development system, testing in testing box and finally deploy successful development to production. yes for user analysis purpose, user can do adhoc analysis or in some scenario they create user specific custom queries (sometimes reffere as X-query created by super user).
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Dev

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Hi,
take a look at the article below to extend the SMS_DEF.mof file to include the WMI class.
http://technet.microsoft.com/en-us/library/cc180866.aspx
Blog: http://theinfraguys.com
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Custom Transaction codes overwritten during transports

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The answer is in the way one works with BI (or BW).
If the design is that queries are to be created in production (which is often used). As far as i know the only exception on the rule that everything should be build in DEV. And this is the only good way as you do not want end-users to work in DEV. There are some things to know about the way SAP works.
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Any ideas?
Thanks,
Mirko
Message was edited by:
jRipple

Since nobody else seems to have a solution, i at least want to explain the approach I followed now to solve the problem, but it isn't a clean one...
I defined a "Map" collection property and put a TransformationMapping on it. The buildAttributeValue oft the mapping is implemented to return a homemade "Map" implementation which uses the session given to it from the buildAttributeValue "session" argument to retrieve the specific value mapped to a key via a ReadObjectQuery whenever Map.get(Object key) is called.
This basically works in my application, but I wouldn't suggest to completely rely on that carelessly, because the session given on Map construction might have become invalid some time after the attribute value has been built and before an object ist retrieved via Map.get(). An ordinary one-to-many collection mapping would still work in this case, since the whole collection is already loaded into memory. My own collection, however, would throw an exception, since it uses an invalid session object to execute a query on.
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