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11 discussions - 50 posts

  • Hello, I am struggling with some problems mapping vertical inheritance clases: I have 5 classes in my business model: Session ClientSession inherits from Session WebSession inherits from Session User ...
    Ramiro AparicioRamiro Aparicio
    Sep 19, 2012 at 3:24 pm
    Oct 10, 2012 at 12:05 pm
  • Hi, I'm trying to use 3.1M3 version and I've noted that my ExtendedType registrations aren't working anymore. I've looked at docs, but they don't seem to be update. So I had readed the unit tests at ...
    Juan José GilJuan José Gil
    Sep 17, 2012 at 12:11 am
    Sep 18, 2012 at 8:37 am
  • Hey everybody, In a web app that uses Cayenne 3.0.1 with an embedded Derby database, I need to perform a Derby-specific SQL query to do a database backup: CALL ...
    Bob HarnerBob Harner
    Sep 4, 2012 at 12:56 am
    Sep 5, 2012 at 12:10 pm
  • Hi everybody. I have a problem with cayenne. I migrated a table from having a PK autogenerated by the db on a field ID, to a table without autogenerated pks (now my PK is a multi-column table). The ...
    Francesco RomanoFrancesco Romano
    Sep 6, 2012 at 3:01 pm
    Sep 12, 2012 at 2:36 pm
  • If for example i have the following classes: Person, Hobbies and Hobby Hobbies has fields: personId and hobbyId If no prefetching is done on the original Person query, is there a way to prefetch ...
    Sep 6, 2012 at 10:54 am
    Sep 7, 2012 at 7:58 am
  • I'm using 3.1B1 and getting a validation exception BEFORE my onPrePersist lifecycle method is called ? Caused by: org.apache.cayenne.validation.ValidationException: [v.3.1B1 May 28 2012 ...
    Sep 13, 2012 at 8:58 am
    Sep 20, 2012 at 9:28 am
  • Hi The API says that readNestedProperty supports both mapped and unmapped properties. I assume this means one can ask for eg: "db:SOME_FIELD". Is there a way to set/write to an unmapped property ? ...
    Sep 12, 2012 at 11:57 am
    Sep 12, 2012 at 2:51 pm
  • hello, I'm using cayenne 3.0.2. In most of tables I use a Custom Sequence to generate the Primary Keys, but in some tables I use Meaningful Primary Key and here's the problem In my java code I use ...
    Felipe Martín SantosFelipe Martín Santos
    Sep 11, 2012 at 11:23 am
    Sep 11, 2012 at 1:37 pm
  • Hi, I have been debugging some strange errors in our web app that seems to be related to context and threads, let me explain, we are using Cayenne 3.0.1 using WebApplicationContextFilter to bind the ...
    Ramiro AparicioRamiro Aparicio
    Sep 6, 2012 at 4:17 pm
    Sep 11, 2012 at 1:38 am
  • Hi! How do you think, what'll work faster for inserting multiple rows with one query but different data: - querychain with a query for each row - Insertbatchquery witch a list of data Thanks! Dybin ...
    Дыбин ДмитрийДыбин Дмитрий
    Sep 5, 2012 at 5:38 am
    Sep 5, 2012 at 1:49 pm
  • Hello: At first of my DB desing I chose Meaningful Primary Key generation but after read this mailing list I decided use Cayenne Generated PK. Before, for some tables I had the identifier column as ...
    Felipe Martín SantosFelipe Martín Santos
    Sep 13, 2012 at 11:09 am
    Sep 13, 2012 at 11:09 am
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