About property

forum_thread

Connections pool

Hi! Does ObjectDB keeps and reuses a pool of connections as MySQL JDBC driver does?   ... , for example to maximum 100 connections: <property name = "javax.jdo.option.MaxPool" value = "100" /> ...

 
api-jpa

FieldResult.name

Name of the persistent field or property of the class.(Annotation Element of javax.persistence.FieldResult)

 
api-jdo

javax.jdo.annotations.Key

Annotation for the key of a map relation.(Annotation of JDO)

 
api-jdo

getOptimistic()

Optimistic transactions do not hold data store locks until commit time.(Method of javax.jdo.Transaction)

 
api-jpa

AttributeOverride.name

(Required) The name of the property whose mapping is being overridden if property-based access is being used, or the name of the field if field-based access is used.(Annotation Element of javax.persistence.AttributeOverride)

 
api-jpa

MapKeyJoinColumn.unique

(Optional) Whether the property is a unique key.(Annotation Element of javax.persistence.MapKeyJoinColumn)

 
api-jpa

javax.persistence.SecondaryTable

Specifies a secondary table for the annotated entity class.(Annotation of JPA)

 
api-jdo

addCategory(categoryName)

Add the members (fields or properties) of the named category to the set of members in this FetchGroup.(Method of javax.jdo.FetchGroup)

 
forum_thread

java.sql.Date equals comparison not working with CriteriaAPI

Hello, Using ODB 2.4.5 and the Criteria API, doing a simple equals comparison with java.sql.Date value doesn't match any results in the database. Our code looks like this: ... java.sql.Date is used everywhere also in the Entity property field to ensure pure date comparison and saving without time parts so ...

 
api-jdo

Constants.NONCONFIGURABLE_PROPERTY_VERSION_NUMBER

Nonconfigurable property constanct "VersionNumber"(Static Field of javax.jdo.Constants)