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Join performance in Objectdb

= 160000;                 System.out.println("Database population started.");         em ... ("Query 1 started.");         ms = System.currentTimeMillis();         TypedQuery q1 = em ... +             " milliseconds (" + result + ")");         System.out.println("Query 2 started.");         ms
JDO Doc
1

FetchPlan.maxFetchDepth

Annotation Element javax.jdo.annotations.FetchPlan int maxFetchDepth The depth of references to instantiate, starting with the root object. Returns: the maxium fetch depth Default value: 1 Since: JDO 2.1
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Getting com.objectdb.o.UserException:

) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3404) at org.apache ... .startup.HostConfig.start(HostConfig.java:389) at org.apache.catalina.startup.HostConfig ... (LifecycleSupport.java:155) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131) at org
JPA Doc
1

locate(x, pattern, from)

at which to start search Returns: expression corresponding to position Since: JPA 2.0
JPA Doc
1

locate(x, pattern, from)

to be searched pattern - string to be located from - position at which to start search Returns: expression corresponding to position Since: JPA 2.0
JPA Doc
1

locate(x, pattern, from)

- expression for position at which to start search Returns: expression corresponding to position Since: JPA 2.0
JPA Doc
1

SequenceGenerator.initialValue

Annotation Element javax.persistence.SequenceGenerator int initialValue (Optional) The value from which the sequence object is to start generating. Default value: 1 Since: JPA 1.0
JDO Doc
1

setOrdering(ordering)

must be declared in the candidate class or must be a navigation expression starting with a field in the candidate
JDO Doc
1

setRange(fromIncl, toExcl)

algorithm is done at the data store. Parameters: fromIncl - 0-based inclusive start index toExcl - 0-based
JPA Doc
1

begin()

Method javax.persistence.EntityTransaction void begin() Start a resource transaction. Throws: IllegalStateException - if isActive() is true Since: JPA 1.0