About named queries

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Managing software release cycles.

How do you manage software release cycles with objectDB? For example we might have different installation of a given web application, and we might need to introduce new fields with default values or to change something in the database "structure".  How can we apply the update script without downloading the entire DB file? Are there any command line tools like sqlPlus to connect to a DB and execute queries / scripts? ... line tools like sqlPlus to connect to a DB and execute queries / scripts? edit ...

 
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Possible issue for JPQL "LEFT [OUTER] JOIN"

Possible issue for JPQL "LEFT [OUTER] JOIN" is doing "[INNER] JOIN".   Thanks. ... solution but it doesn't work with the following JPQL queries string:     - "SELECT a,b FROM A a LEFT OUTER JOIN ...

 
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Issue with full cross joins

hi, There seems to be an issue with full cross joins & maps. This query: Bug Version: Priority: Normal Status: Fixed Replies: 1 Type:  Bug ...

 
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auto generate timestamp

Hi all, How can I create auto timestamping column? I want the database to generate the timestamp. I tried google but suggested solutions doesn't work in objectDB. http://stackoverflow.com/questions/811845/setting-a-jpa-timestamp-column-to-be-generated-by-the-database - Pawel   #1 2011-08-11 05:23 Hi all, How can I create auto timestamping column? I want the database to generate the timestamp. ...

 
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Navigation through Path to evaluate collection

Hello, I need to evaluate a field ("identifier") which is situated in a collection, within an entity. As stated in the documentation it is not possible to navigate there with the dot operator since its a collection. Is it there a way to evaluate this field? Here is the query, the entity and the related embeddable class. Thanks #1 2016-09-04 09:17 Hello, I need to evaluate a field ("identifier") which is situated in a collection, within an entity. As ...

 
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Error reading UTF string

Good day, I have many errors like this, when try to use java.util.UUID as string in querys. ... do you mean by using java.util.UUID as string in queries? Can you provide a test case that demonstrates this exception? ...

 
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Spring and packagesToScan

Hi i am trying to configure ObjectDB using Spring JavaConfig but packageToScan is not working. I am getting Type XXX is not found   #1 2014-04-04 16:54 Hi i am trying to configure ObjectDB using Spring JavaConfig but packageToScan is not working. I am getting ...

 
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@Lob @Basic(fetch = FetchType.LAZY) is loaded when it's not needed

Hello. I have a class Thing that contains OneToMany list of classes Photo. Photo contains  @Lob @Basic(fetch = FetchType.LAZY) private byte[] content; And after some queries with Thing (but without loading content of the photos) I get java.lang.OutOfMemoryError: Java heap space (the server is started with -Xmx4096M). Heap dump shows that there are very much space is used by contents of the photos despite of using fetch = FetchType.LAZY. How can I fix this memory issue? ... [ ] content ; And after some queries with Thing (but without loading content of the photos) I ...

 
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Evaluating ObjectDB for SaaS Application

We are currently evaluating objectdb for our SaaS(multi-tenant) product. It is a data intensive health care product . We would like to know the horizontal scalability options available. ... advantages including better performance, full ACID, richer queries and rapid development. ObjectDB Support ...

 
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List always null

I have the following classes: @Entity public class Noticia implements Serializable {     private static final long serialVersionUID = 1L;     @Id     @GeneratedValue(strategy = GenerationType.AUTO)     private Long id;     @ManyToOne(targetEntity = Categoria.class)     private List<Categoria> categorias;   #1 2014-06-15 17:17 I have the following classes: @ Entity public class Noticia implements Serializable ...