About hints

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a REPLY button will be good!

Hi, all:     This bbs is wonderful, clean, fast. But it has no REPLY button, that can add a hint ... the discussing topic, if a hint like this will be good: On 5/13/2011 11:46 AM, James007 wrote at floor 3: > line 1 > line 2 ...   If no hint, just a link back to the topic is ok: James Bond wrote : 189?u#item-1 HTH gzdillon
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2

Iterating over large result set

can use cursors. With some JDBC drivers there is a hint, that driver should fetch data in packages ... with a hint "objectdb.result-fetch" set to "LAZY". Another option is to use a report query, i.e ... . You may be able to replace the loop of paging queries with one query by running the query with a hint
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2

Listing large number of complicated objects with paging.

with a lazy fetch hint (as done by the Explorer). Another solution may be to use report queries, i.e. instead ... will try lazy fetch hint, but as I understand it will run 50 queries find(Product) while iterating over product list, right?   OK, I just set lazy hint. Query plan is a little bit different in
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Need help to analyse very high memory usage by objectdb (PRU, SEV, VAL[])

consumption yet. Can you give us any any hints, which leads to the generation of these objects ... kind of hints would help us to analyse/fix our problem.   We use version 2.6.9_08 in embedded mode. Small hint @ObjectDB (not related to this thread): I got the following message after save
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2

Problem with @Basic(fetch = FetchType.LAZY)

= FetchType.LAZY hint. Am I doing something wrong? (I am using objectdb-2.3.6_10)   tia, Wim   LAZY in JPA (unlike EAGER) is merely a hint, which JPA implementations may ignore. ObjectDB always loads basic ... below.   tia, Wim DC     LAZY is still a hint. ObjectDB (as other JPA providers) can only load one-to-one relationships lazily when entity classes are enhanced. wim DC
Issue
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Best practise loading big data

that, too. We would kindly ask you to give us some hints or advice how to access the data or how to configure the DB ... to rollback or just to clear then we can do that instead. Thanks for this hint! Yes, only enhanced classes ... . So writing is just a preparation for the test. We do not need another issue for that. Your hint regarding
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Failed to write the value of field using reflection (error 363) on LAZY fetch

.g. a Modell has several Artikels) . When I remove the LAZY hint (query.setHint("objectdb.result ... hints? The Mapping of class Modell and its member: @Entity class Modell { ... @OneToMany(fetch
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Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany

);         }     } } LAZY in JPA is a hint. If your code is enhanced (as always recommended), for example ... .TestLazyOneToMany Then ObjectDB follow the hint and the output is: a.listA_mapped:null a.listB
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2

Possible issue with LAZY Loading

. LAZY (unlike EAGER) is considered in JPA as a hint and in some cases data is fetched eagerly regardless of the hint. This happens, for example, when ObjectDB uses reflection mode (classes are not
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2

Soft Reference Object Cache Recommendation

understand that the ObjectDb.conf value I specify () is a HINT ... size as specified in the configuration is indeed a hint. ObjectDB allows up to 80 additional pages