toplink

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JPA: NamedQuery of name: <query> not found

I\'m using Netbeans 6.9.1 and TopLink Essentials for the JPA. I had followed the necessary steps for JPA connection.[详细]

2023-02-23 06:36 分类：问答
Toplink batch reading

IS their any way to set property like hibernate \'hibernate.batch_size\' in topl开发者_运维问答ink. which will increase fetching query performance.Batch reading is supported in TopLink, but I\'m not s[详细]

2023-02-22 03:56 分类：问答
ManyToOne column in embeddable class

I have two entities who embed (@Embedded) the Adress embeddable. In the Adress class there is a property who points to an entity Location. In the Adress class I put @ManyToOne and @JoinColumn(...) ann[详细]

2023-02-13 14:33 分类：问答
Strange JPA behaviour: tables cleaned at app boot

Almost all is in the title... Persistence is working fine when app launched, and row are still in DB when the app is closed, but once app is loaded, rows got deleted...[详细]

2023-02-10 18:43 分类：问答
SQL query to find a row equalling a date in Toplink

Really hate dates in Oracle but all I want to do is just to a basic query to find whether a row or rows that are equal to a date (the format of the date is 17-JAN-11 in the Oracle table).I am using To[详细]

2023-02-05 14:54 分类：问答
toplink prefixes table with TL_ while update operation

I have very simple named query on JPA (toplink ): UPDATE Server s SET s.isECM = 0 I don\'t carry about cache or validity of already preloaded entities. But database connection is performed from res[详细]

2023-02-03 05:47 分类：问答
Unable to change TopLink logging level in GlassFish

In a GlassFish 2.1 environment, I am trying to inc开发者_如何学Pythonrease the logging level for TopLink... to see the raw SQL being generated.In the GlassFish Admin Console, I go to:[详细]

2023-02-02 10:37 分类：问答
Is it possible to column-level optimistic locking in JPA toplink?

I studied about optimistic locking in JPA, adding @Version annotation with version column in DB and how it is managed by EntityManager etc[详细]

2023-02-01 06:57 分类：问答
query.setMaxResults() causes problems on toplink

I am using JPA (toplink) and trying to restrict开发者_开发问答 the number of rows returned by a JPQL query, so I\'ve used Query.setMaxResults method, but It throws the following error:[详细]

2023-01-29 15:46 分类：问答
What happend to SQL Stored-Procedure in using of JPA?

What happened to SP when we use of 开发者_如何学PythonJPA?Does JPA kill stored-procedures?JPA did not/will not kill stored procedures. You can use them both in your application. Saying that JPA killed[详细]

2023-01-28 04:39 分类：问答