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18

using objectdb.jar in writing data to mariadb or mysql db

(for desktop version) and python or php for the web version but i want to code queries in native java ... to mariadb or mysql using native java JPA API and in some cases JPQL or must i store to an Objectdb unique ... to MySQL or MariaDB (as you cannot use PostgreSQL to write to MySQL). You can use Hibernate or
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18

EntityManager JPA or JDO impl and different behavior

.jdo.PMImpl Whats going on here? Is the entityManager not controlled by the persistance.xml or is something in the spring is doing something I don't understand? Or have I missed something? The reason I ... . The issue with this is, when "find" is called, the object is being lazy loaded. So if the "equals" or
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18

Privacy Policy

a cookie control system allowing the user on their first visit to the website to allow or disallow the use ... for websites to obtain explicit consent from users before leaving behind or reading files such as cookies ... , but will not store, save or collect personal information. You can read Google's privacy policy
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18

@OneToOne query issue with OR and IS NULL

the second one "another" is set. Now I want to query "select from A where another is null OR ... advance, Patrick     Your query: SELECT FROM A WHERE another IS NULL OR another.counter = 0 ... WHERE a.another IS NULL OR b.counter = 0 You missed the A instance with no another because navigation
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18

Eager Fetch is not stable for collection or map types?

Hi, thanks very much for your helpful software. The problem is the storage of collection or map ... ; } ...... }   Currently there is no known open bug that can cause this problem (including in using or not using generics ... is we confirm that the collection or map are stored successfully by using explorer tools when the JVM stopped
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18

Corrupted Database or error in ObjectDBExplorer?

). Can you analyze the problem and tell us if its a problem of the explorer or a real problem in ... the Tree or Table Window for com.btc.ep.analysis.test.bl.internal.dmos.RequirementBasedTestCaseImpl ... the Explorer or using your application) in order to update the schema. We changed the class hierarchy
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18

Database Inconsistency or corruption

the database. If I had detailled traces of the EntityManager or of ObjectDB, I could identified ... allocation strategy that will make IDs available on persist, or flush after persist to get IDs allocated ... " side of a bidirectional relationship. If an update is not detected (e.g. due to 3 or 4) - you may try
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18

Is it ok to put list or map of embeddable objects in entity ?

Hi, Is it ok to put list or map of embeddable objects in entity? I mean, for example : @Entity ... allocation for the collection or its elements - every time the entity object is stored previous content ... also (which are part of EmbeddableB with CascadeType.ALL). And that's not happening... Is that a bug or
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18

Is there a function of "drop table" or "delete from table"?

Besides the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA You can execute a DELETE query:     em.createQuery("DELETE FROM MyEntity e").executeUpdate ... ! "drop table" or "delete from table" or "truncate" can clear the id counting. Any idea? Resetting
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18

Should I be able to persist a JFrame (or gui components in general)?

.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/persistence ... on the runtime error, or how I could reduce amount of code to map UI to a database to as little as ... the burden of coding somehow. This may exist, and I just don't get it, or whatever. And second, the idea