About setFlushMode
Setting and Tuning of JPA Queries
Explains various JPA query settings - result range, flush and lock.... (setFirstResult, setMaxResults) Flush Mode (setFlushMode) Lock Mode (setLockMode) Query Hints ... object on which they were invoked). Flush Mode (setFlushMode) Changes made to a database using an EntityManager ...
setFlushMode(flushMode)
Set the flush mode type to be used for the query execution.(Method of javax.persistence.TypedQuery)
setFlushMode(flushMode)
Set the flush mode that applies to all objects contained in the persistence context.(Method of javax.persistence.EntityManager)
setFlushMode(flushMode)
Set the flush mode type to be used for the query execution.(Method of javax.persistence.Query)
javax.persistence.TypedQuery
Interface used to control the execution of typed queries.(Interface of JPA)
Entity has be persistended,but query not fetched?
I create a new entity T newT and persistend it,then I create a query "select t from T t" to fetch all T entities.But then the newT is not contain in the query result. Why? ... the query result. Why? code order: query. setFlushMode ( FlushModeType . AUTO ) ; ... "SELECT u FROM User u" ) ; query. setFlushMode ( FlushModeType . AUTO ) ; ...
Duplicate Entity class names causes Exception in Query
I have two Entities which have the same class name but reside in different packages, only one of them is mentioned in the persistence.xml. I a NamedQuery I use the unqualified class name of one of these entities. If I execute that query I get an exception; ... , Long. class ) ; q. setFlushMode ( FlushModeType . AUTO ) ; try ... transaction to db if we wish to see its results q. setFlushMode ( FlushModeType . AUTO ) ; try ... transaction to db if we wish to see its results q. setFlushMode ( FlushModeType . COMMIT ) ; ...
javax.persistence.EntityManager
Interface used to interact with the persistence context.(Interface of JPA)
Conflicting modifiers .... (javax.persistence.Id, javax.persistence.ManyToOne)
I have two classes a Container type class and another class that is 'contained' by that class. The contained class, CompoundKeyMapItem, represents an alternate implementation of an object held in a Map, and uses a Compound Primary Key. The contained class therefore uses an @IdClass. This all works fine on Eclipselink. However when I try and run this in ObjectDb I get the following error; ... ( "numberOfMapItems" ) ; q. setFlushMode ( FlushModeType . AUTO ) ; try ...