30 | groupBy(grouping)<?>> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added grouping expressions are simply removed. Parameters: grouping - list of zero or |
30 | groupBy(grouping)Method javax.persistence.criteria.Subquery<T> Subquery<T> groupBy( List<E> grouping ) Specify the expressions that are used to form groups over the subquery results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added grouping |
30 | groupBy(grouping)Method javax.persistence.criteria.CriteriaQuery CriteriaQuery<T> groupBy( Expression... grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously |
30 | groupBy(grouping)<?>> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added grouping expressions are simply removed. This method only overrides the return type |
30 | groupBy(grouping)Method javax.persistence.criteria.CriteriaQuery<T> CriteriaQuery<T> groupBy( List<E> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added |
30 | groupBy(grouping)Method javax.persistence.criteria.AbstractQuery<T> AbstractQuery<T> groupBy( List<E> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added |
27 | JPA Entity Fields superclasses) can be classified into the following five groups: Transient fields Persistent fields Inverse (Mapped By) fields Primary key (ID) fields Version field The first three groups (transient, persistent ... two groups (primary key and version fields) can only be used in entity classes. Primary key fields |
2 | addFetchGroups(groups)Method javax.jdo.PersistenceManagerFactory void addFetchGroups( FetchGroup... groups ) Add the FetchGroups to the set of active fetch groups. FetchGroups are made unmodifiable before being added ... : groups - an array of FetchGroups Throws: SecurityException - if the caller is not authorized for JDOPermission ("manageMetadata") Since: JDO 2.2 |
2 | removeFetchGroups(groups)Method javax.jdo.PersistenceManagerFactory void removeFetchGroups( FetchGroup... groups ) Remove the FetchGroups from the set of active FetchGroups. Existing FetchGroups that match parameter ... . Parameters: groups - an array of FetchGroups Throws: SecurityException - if the caller is not authorized for JDOPermission ("manageMetadata") Since: JDO 2.2 |
2 | [ODB1] Chapter 3 - Persistent Classes the default fetch group, should not be accessed by this method. void jdoPreStore() Called ... this loaded object that are not in the default fetch group should not be accessed by this method. void ... . Only the state of the object as reflected by its persistent fields is stored. Persistent fields, by default |
