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manual

SELECT clause (JPQL / Criteria API)

Explains how to use the SELECT clause and projections in a JPA/JPQL query.... c . name LIKE 'I%' The only difference between SELECT and SELECT DISTINCT is that the later filters duplicate results. ...

 
issue

Internal exception on flush

Today I received the exception below on running the following code: ... much info. I also don't see a direct connection between these two exceptions. Maybe both exceptions are caused by using ...

 
release

2.4.4

... than 2GB. Fixed a bug in running queries between flush and commit. Fixed a deadlock ( issue #62 ). ...

 
manual

Paths and Types in JPQL and Criteria API

Explains how to use object expressions (path navigation, type) in JPA/JPQL.... ; In the above example, the comparison is between the type of the e object (which may represent any path including a ...

 
forum_thread

ObjectDB 2.x is working without any activation code

Hi, I downloaded the objectDB from the http://www.objectdb.com/object/db/database/download and then added the objectdb.jar in my classpath. I used the default objectdb.conf file present in the objectdb.jar file and it is working without any activation code.. Is it is bug in objectdb or it works without actionvation code also. I am saving some information into the some.odb file and reading the informatin without any problem. What exactly is the activation code for ? Thanks & regards, ... that you have in one objectdb.conf file and share it between your machines. ObjectDB will automatically find matching activation key ...

 
issue

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

I have marked this as CRITICAL because although there probably is no database integrity problem, the inability to robustly query relationship fields in a web application renders the ObjectDB system seemingly useless. objectdb-2.2.5_10 NetbeansIDE6.9.1 Glassfish3.01 client-server mode. odb file written to db-files/greendesk/greendesk.odb (see persistence.xml), copy of odb output attached. ... there is no way of demonstrating the distinction between a Guest object and simple relational database table. I ... my main project (although these won't hurt switching between ObjectDB and EclipseLink, we want to keep that option open if possible ...

 
forum_thread

Can't post on your forum

Since yesterday, I can't post on the forum because it always says that I should log in in order to do that. I was already logged in, but, anyway, it appeared as not. I go to log in, then I authenticate, then I'm redirected to the home page, but it still looks that I'm not logged in, so I can't post on the forum. I tried removing the cookies, but nothing. I tried in another browser, but the same. I have new bugs to post, so it's pretty important. ... on the pages. In most of our pages the differences between logged users and guests are generated by JavaScript / CSS on the client ...

 
forum_thread

Speed of queries that return many objects

Hi, I have a DB of 146MB - with 1_000_000 elements. Loading the contents (objectDB query in java) takes about 10sec. I am using a recent MacBook (SSD blabla - disk I/O speed is about 400MB/sec - according to blackMagicTest app for mac) - so I was expecting the query to take less than one sec (146/400 = 0.35sec.. + some overhead). I was wondering if this kind of speed is "normal", or if this is something I should investigate. Thanks EKK ... The rest is split between seek0, readBytes, writeBytes etc... (see screenshot attached). ...

 
release

2.4.3

... than 2GB. Fixed a bug in running queries between flush and commit. Fixed a deadlock ( issue #62 ). ...

 
issue

InternalException using 2.3.7_12

Sorry can't shed any light on this, other than the code where this came out of, worked fine with 2.3.7_02. I had to upgrade to 2.3.7_12 to pickup the fix for wildcard search on index, and now get this. [ObjectDB 2.3.7_12] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_21 (on Linux 3.0.0-16-generic). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.NullPointerException: null java.lang.NullPointerException... you for this report, but unfortunately the connection between this stack trace and changes in the last builds is unclear (these ...