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forum_thread

find() delay

Hi, I tried objectdb in following steps: 1, for 1 to 30 {trans.begin(); create typeC o; em.persist(o); trans.commit();} 2, for 1 to 30 {p = em.find(typeC.class, i); print(p)} So simple a test, there is no result in one go; I have to disable step 1 and run again, then Step 2 output the expected results. I tried em.flush(), em.clear(), etc.. that do not work. Any idea? TIA ... Thanks. If there is a large number of objects in cache, the List.add() make sons for a node, how to make it ...

 
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Selective merge/cascade of detatched entity

I'm having an issue with my application, and I'm hoping you guys will be able to help. Please forgive typos and obvious errors, I'm having to retype from a non-internet connected network. A contrived example is: #1 2012-11-16 15:20 I'm having an issue with my application, and I'm hoping you guys will be able to help. Please forgive typ ...

 
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com.objectdb.o.NLV cannot be cast to com.objectdb.o.CMV

We are using ObjectDB 2.5.1_04. The following JPQL query causes an internal exception: SELECT COUNT(r) FROM RecordingMetaData AS r WHERE ((r.mapFromCli LIKE '192.168.10.13%' ESCAPE '\')) The exception: ... The mapFormCli filed is a member of a number of composite indices: @ Entity ( name = ...

 
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Eclipse Public License - v 1.0

... of the Agreement will be given a distinguishing version number. The Program (including Contributions) may always be distributed subject ...

 
manual

SELECT clause (JPQL / Criteria API)

Explains how to use the SELECT clause and projections in a JPA/JPQL query.... JavaDoc Reference Page... , which takes a variable number of arguments representing multiple selections, and builds a  ...

 
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Join performance in Objectdb

select count(e) from Meta e, ImageNet i, Page p where e.idImage=i.id and e.idPage=p.id; So simple a command cause me half an hour and is running now! Each table has about 160K records. What formula can predict the time for such counting? TIA ... The random strings and number may perform differently. TIA Institute of ...

 
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Replication error - parsing objectdb config

I'm trying to replicate a database using the following config: <server>   <connection port="6136" max="100" />   <data path="$objectdb/db-files" />   <replication url="objectdb://localhost:6126/DEV1/NewMessagePipe.odb;user=admin;password=admin" /> </server> ... to the master database and then attempts to count the number of Points using a connection to the slave database. Should this work? ...

 
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Privacy Policy

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forum_thread

Join query problem with new statetment

Hi, I'm trying to implement some reporting logic in my application and got nasty exception when using query with join. The query code is: ... but is quite slow - that is expected, because of some high number of objects to download. I forget to mention in earlier post, ...

 
forum_thread

JRebel integration feature

Feature request: Dynamic class enhancement during development compatible with JRebel.... and I am pleased to report that they have fixed a number of problems for me that were preventing me from sensibly using JRebel ...