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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expressions - in navigation to persistent date and time fields. as results of predefined JPQL current date and time functions. Current Date and Time JPA defines special JPQL expressions that are evaluated to the date and time on the database server when the query is executed: CURRENT_DATE
Is there any way to find out the number of current connections to the DB server? natmaclin Natalia Levine Currently not. You may subscribe to this feature request and update it according to your needs. support Support
Is there an API to get the current version of ObjectDB that's being used? This would be very handy to have, because it is somewhat difficult to know what version of the ObjectDB you are currently using since the objectdb.jar filename remains the same for all versions (which is not a bad thing by
Does run time enhancer due to GlassFish/Payara do anything that would affect loaded compile-time entity classes ?
ObjectDB support wrote elsewhere: ... you do not need the Enhancer agent, since you use build time emhancement, but GlassFish invokes it automatically. Currently there is no setting in ObjectDB to disable the enhancer agent ... Q: Does run time enhancer due to GlassFish/Payara
, why? Result: =========== find time @ 24.125000 getSons time @ 0.000000 1 : type:Nodes, sons:2 child : 2 child : 3 Iterator time @ 0.000000 find time @ 0.000000 getSons time @ 0.000000 2 : type:Nodes, sons:2 child : 4 child : 5 Iterator time @ 0.000000 find time @ 0.000000 getSons
Enum Constant javax.persistence.TemporalType TIME Map as java.sql.Time Since: JPA 1.0
Method javax.jdo.datastore.Sequence Object current() Returns the current sequence value object if it is available. It is intended to return a sequence value object previously used. If the current sequence value is not available, throw JDODataStoreException. Returns: the current value Since: JDO 2.0
Static Field javax.jdo.Constants String PMF_ATTRIBUTE_SERVER_TIME_ZONE_ID The name of the persistence manager factory element's "server-time-zone-id" attribute. Since: JDO 2.1
Static Field javax.jdo.Constants String PROPERTY_SERVER_TIME_ZONE_ID Mapping "javax.jdo.option.ServerTimeZoneID" Since: JDO 2.1
Enum Constant javax.jdo.annotations.VersionStrategy DATE_TIME Since: JDO 2.1