 7 | get an error:
017-10-23 09:23:31,715 INFO [org.jboss.as.jpa] WFLYJPA0002: Read persistence.xml ... to process phase FIRST_MODULE_USE of deployment "omd-in-memory-db.jar"
at org.jboss.as.server ... : PersistenceProvider 'com.objectdb.jpa.Provider' not found
at org.jboss.as.jpa.processor |
7 | String values may appear in JPQL queries in various forms: as string literals - e.g. 'abc', ''. as parameters - when string values are assigned as arguments. as path expressions - in navigation to persistent string fields. as results of predefined JPQL string manipulation functions. LIKE - String |
6 | it from the command line as follows:
> java -jar explorer.jar
If explorer.jar is not in the current ... and JDOQL queries, as discussed below. Closing a Database Connection Use the File > Close menu command ... . A Tree window displays objects as a tree. Every database object is represented by a tree node |
6 | Numeric values may appear in JPQL queries in many forms: as numeric literals - e.g. 123, -12.5. as parameters - when numeric values are assigned as arguments. as path expressions - in navigation to persistent numeric fields. as aggregate expressions - e.g. COUNT. as collection functions |
6 | the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 ... mean the work of authorship, whether in Source or Object form, made available under the License, as ... , elaborations, or other modifications represent, as a whole, an original work of authorship |
6 | whose name field value is equal to :name, which is a parameter that serves as a placeholder ... (:) followed by a valid JPQL identifier that serves as the parameter name. JPA does not provide an API ... . Criteria Query Parameters In a JPA query that is built by using the JPA Criteria API - parameters (as |
6 | of the database. The persistence context serves as a cache of retrieved entity objects. If a requested ... is then added to the persistence context as a managed entity object and returned to the application ... of entity classes and to keep them simple as possible. Retrieval by Class and Primary Key Every entity |
6 | Hi, we have a strange performance problem with ObjectDB 2.5.3_01 and JBoss 7.1.1 ... one running JBOSS and other running ObjectDB. - CPU utilization of JBOSS server is max 5-10% (per core) - CPU utilization of JBOSS server is 80-150% (this is per core) Now is the interesting |
6 | are always considered to be transient. Other fields can be declared explicitly as transient using ... store methods or code. Only the persistent state of the entity object, as reflected by its persistent ... static type, including a generic java.lang.Object, as long as the type of the actual value at runtime |
6 | to grouping by the GROUP BY clauses before arriving at the SELECT clause. GROUP BY as DISTINCT ... which returns the first letters as result. ObjectDB is very flexible in allowing JPQL expressions anywhere in ... all the JPA implementations. Grouping the Country objects makes them inaccessible to the SELECT clause as |