About ORDER BY

api-jdo

javax.jdo.JDOOptimisticVerificationException

This class represents optimistic verification failures.(Exception of JDO)

 
api-jpa

javax.persistence.CacheRetrieveMode

Used as the value of the javax.persistence.cache.retrieveMode property to specify the behavior when data is retrieved by the find methods and by queries.(Enum of JPA)

 
api-jdo

javax.jdo.JDOFatalInternalException

This class represents errors in the implementation for which no user error handling is possible.(Exception of JDO)

 
api-jdo

javax.jdo.JDOUserException

This class represents user errors that can possibly be retried.(Exception of JDO)

 
api-jdo

javax.jdo.JDOFatalDataStoreException

This class represents data store exceptions that cannot be retried.(Exception of JDO)

 
api-jdo

javax.jdo.JDODataStoreException

This class represents data store exceptions that can be retried.(Exception of JDO)

 
issue

JPA Query Criteria API (JPA 2.0)

The JPA Criteria API supports dynamic definition of JPQL queries using CriteriaBuilder as a factory. ObjectDB supports dynamic definition of JPQL queries as strings and expected to support also the new JPA 2 Criteria API in future versions.  ... Avoid overflow of published source code examples by breaking long lines . You may mark in paragraph code words ... names) with the code style (can be applied by ctrl + D). Long stack traces (> 50 lines) and complex ...

 
api-jdo

javax.jdo.JDOFatalUserException

This class represents user errors that cannot be retried.(Exception of JDO)

 
api-jdo

javax.jdo.JDOCanRetryException

This is the base class for exceptions that can be retried.(Exception of JDO)

 
forum_thread

First query takes 4+ minutes to complete

Hi, we are evaluating ObjectDB 2.5.1_04 in embedded mode hoping to replace SQLite in our application. We observed that in our case it takes on average more than 4 minutes to complete the first SELECT query that we run on the DB which contains about 320,000 records of a single type of object. SQLite in comparison responds within few seconds on average with the same number of records. We hope to receive your recommendation on how to improve this result with this post.   Test System ... SELECT r FROM RecordingMetaData AS r ORDER BY r . startDate DESC , r . startTime DESC , r . ... the application and let is stabilise for about 60 seconds. By this time a number of new records are already being added by one of the ...