ObjectDB Database Search

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JPA Persistable Types

superclasses, and embeddable classes. Simple Java data types: Primitive types, wrapper classes, `String ... data types are persistable: Primitive types: boolean , byte , short , char , int , long , float

JPA Attributes Annotations

using the following annotations: Sets a field or property of a basic attribute (e.g., primitives

Index Definition

of one of the following persistable types: Primitive types: boolean , byte , short , char , int

JPA Metamodel Attributes

are represented by: Represents single-valued attributes. This includes basic types ( primitives

JPA Metamodel Types

Java type known to the persistence provider. Represents basic foundation types ( primitives , wrappers

jakarta.persistence.Id

to which the Id annotation is applied should have one of the following types: any Java primitive type; any primitive wrapper type; String ; UUID ; Date ; Date ; BigDecimal ; BigInteger . The mapped column

jakarta.persistence.Converter

to an attribute, the provider must treat primitive types and wrapper types as equivalent. A converter

Explorer in 2.3

First, the new Explorer in ObjectDB is fantastic! This is exactly what we've needed - an easy way to do ad-hoc JPQL queries and navigate through the results and even make small changes to primitive ... primitive . Right now you can only edit text or primitives (and I noticed you have a Date editor

Dates

object is not required - a primitive long field is more efficient), but usually the difference

Changes in detach behaviour?

". If you use version 2.3.4 then the output is "username". I think lazy fetching of primitive fields is a bit

NullPointerException when using multithreading

; EmbeddableB is just storing primitive integers in its map.  However it will also be used