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11

Web Framework Recommendation for leveraging JPA + ObjectDB

an application server. These 3 options are demonstrated in ObjectDB tutorials and are in use by many ... any JPA provider. I see that you have already found the following thread: https://groups.google.com/group/play-framework/browse_thread/thread/162f5cc1a749f325 Here is another older thread
2

queries under 2.7.6_4 significantly slower than under 2.7.6

--------------------- Group the results of step 4 by: o. [Step 6] Remove duplicates from the groups of step 5. [Step 7 ... )')). [Step 1b] Order the results of step 1a by: v$1. [Step 1c] Scan index com.agile.hummingbird ... of step 1c by: v$1. [Step 1e] Merge the results of steps 1b, 1d using OR. Step 2: Process
2

Wrong type on SUM function

.cuenta=:cuenta GROUP BY cc.totalCC.moneda"); List<Object[]> resultList = q.setParameter("cuenta ... fine on all groups giving to me the correct sum BigDecimal value, except in one group that have only one object with a BigDecimal value that has no decimals, for this group it returns a Long type value
2

javax.persistence.MapKeyJoinColumns

javax.persistence Annotation MapKeyJoinColumns Target: Fields (including property get methods) Supports composite map keys that reference entities. The MapKeyJoinColumns annotation groups ... and the referencedColumnName elements must be specified in each of the grouped MapKeyJoinColumn annotations. Since: JPA
0

setGroups(fetchGroupNames)

Method javax.jdo.FetchPlan FetchPlan setGroups( Collection fetchGroupNames ) Set a collection of groups. Parameters: fetchGroupNames - a collection of names of fetch groups Returns: the FetchPlan Since: JDO 2.0
0

setGroups(fetchGroupNames)

Method javax.jdo.FetchPlan FetchPlan setGroups( String... fetchGroupNames ) Set a collection of groups. Parameters: fetchGroupNames - a String array of names of fetch groups Returns: the FetchPlan Since: JDO 2.0
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getFetchGroup(cls, name)

the corresponding fetch group in the PersistenceManagerFactory. Parameters: cls - the class or interface for the FetchGroup name - the name of the fetch group Returns: the FetchGroup Throws: JDOUserException
0

FetchGroups.value

Annotation Element javax.jdo.annotations.FetchGroups FetchGroup[] value The Fetch Groups Returns: The Fetch Groups Since: JDO 2.1
0

getFetchGroups()

Method javax.jdo.PersistenceManagerFactory Set getFetchGroups() Get a modifiable Set containing a mutable copy of all currently active (in scope) fetch groups. The methods addFetchGroups ... of all currently active fetch groups Throws: SecurityException - if the caller is not authorized for JDOPermission ("getMetadata") Since: JDO 2.2
0

removeGroup(fetchGroupName)

Method javax.jdo.FetchPlan FetchPlan removeGroup( String fetchGroupName ) Remove the fetch group from the set active fetch groups. Parameters: fetchGroupName - Returns: the FetchPlan Since: JDO 2.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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