About primary key

181-190 of 200Refresh
JDO Doc
3

javax.jdo.identity.CharIdentity

(Class pcClass, char key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0 CharIdentity(Class pcClass, String str) Constructor with class and key. Constructor with class and key. The String must have exactly one character
JDO Doc
3

javax.jdo.identity.IntIdentity

, int key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0 IntIdentity(Class pcClass, String str) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class str - the key Since: JDO 1.0
JDO Doc
3

javax.jdo.identity.LongIdentity

 pcClass, Long key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0 LongIdentity(Class pcClass, Long key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO
JDO Doc
3

javax.jdo.identity.ShortIdentity

(Class pcClass, Short key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0 ShortIdentity(Class pcClass, Short key) Constructor with class and key. Constructor with class and key. Parameters: pcClass - the class key - the key
FAQ
3

Which API should I use - JPA or JDO?

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer JPA JPA is more commonly used. Therefore, it might be the first choice for most new applications. You can use JPA as the primary
Result
3

Privacy Policy

platforms and encourage users wishing to discuss sensitive details to contact them through primary
Issue
3

again merger missing logs + objectdb exception

ObjectDB into multiple sections and each section is stored in a separate page and has a wrapper key that consists of the original primary key of the object with additional information about the section (e.g ... . a section key wrapper that wraps another section key wrapper that wraps the original primary key
JDO Doc
3

javax.jdo.annotations.Value

: {} Since: JDO 2.1 ForeignKeyAction deleteAction Delete action to apply to any foreign key for the value. Delete action to apply to any foreign key for the value. Returns: delete action to apply to any foreign key for the value Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED
Forum
3

TemporalType injection with Calendar using JPA

object as a primary key, which has time fields which I have annotated with TemporalType.TIMESTAMP ... _OF_DAY=19,MINUTE=14,SECOND=43,MILLISECOND=31,ZONE_OFFSET=0,DST_OFFSET=3600000] ]) as a primary key ... =19,MINUTE=14,SECOND=43,MILLISECOND=31,ZONE_OFFSET=0,DST_OFFSET=3600000] ]) as a primary key at com
Issue
3

InternalException when using MEMBER OF on a large list in a query

with long primary keys. In such objects the keys may not be embedded in the object content ... objects with long primary keys is not very efficient, because non embeddable keys are slower. If possible, try to avoid primary keys longer than 32 bytes (in the test they seem to be 36 bytes). Thanks