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4

query on calendar class

'}? The only solution is keep time and date i other fields and do that same wiht DAY_OF_WEEK? Solek Henryk Walezy ObjectDB does not currently support extracting a day of week from a date (methods for extracting other date parts are supported by ObjectDB as an extension to JPA), so you should consider duplicating
3

Composite Index error 328

java.sql.Date; import java.util.Objects; @Entity @Table(name = "usrlist", schema = "posts ... ; private Date regDate; private Date regEnd; private Date lastLogin; private String lastIp ... ) { this.programType = programType; } @Basic @Column(name = "reg_date
3

Trouble bug on explorer

; import javax.persistence.*; import java.io.Serializable; import java.util.Date; import java.util.List; /** * Created with IntelliJ IDEA. * User: apple * Date: 15.07.2012 * Time: 18:54 ... Date regDate; private Date regEnd; private String jxtaUUID; private String
3

Schema update: package, class and field

? Currently this works as we expected. Is it ensured that ObjectDB also in the future first processed ... : Version 1: class A { String date; } Version 2: class A { String old_date; //renamed Date date; } Schema: .. <class name="A"> <field name="date" new-name="old_date" /> </class
0

Use temporary files to enable very large transactions

the current transaction after creation. Unfortunately, we will receive an OutOfMemory exception ... results), currently the size of a transaction (i.e. the total size of database pages ... ). However, if you are interested in a quick solution, we may be able to increase the current
0

javax.persistence.EntityExistsException

and the entity already exists. The current transaction, if one is active, will be marked for rollback ... time. The current transaction, if one is active, will be marked for rollback. Since: JPA 1.0 ... within this Throwable object information about the current state of the stack frames for the current thread
0

javax.jdo.PersistenceManagerFactory

. The FetchGroup does not become in scope until it is added to the current set via addFetchGroups ... Since: JDO 2.2 Set getFetchGroups() Get a modifiable Set containing a mutable copy of all currently active (in scope) fetch groups. Get a modifiable Set containing a mutable copy of all currently
0

retrieveAll(useFetchPlan, pcs)

intends to use the instances, and their field values should be retrieved. The fields in the current fetch group must be retrieved, and the implementation might retrieve more fields than the current ... has not been modified from its default setting, all fields in the current fetch plan are fetched
0

javax.jdo.spi.Detachable

() This method calls the StateManager with the current detached state instance as a parameter and replaces the current detached state instance with the value provided by the StateManager. This method calls the StateManager with the current detached state instance as a parameter and replaces the current detached
0

retrieveAll(pcs, useFetchPlan)

intends to use the instances, and their field values should be retrieved. The fields in the current fetch group must be retrieved, and the implementation might retrieve more fields than the current ... has not been modified from its default setting, all fields in the current fetch plan are fetched

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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