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7

Open several objectdb databases the same time

' that is currently in use by another process (error 141) at com.objectdb.jpa.EMF ... @2015-09-17_12.08.15\TC_9_2_3_1_8b@2015-09-17_12.08.15.pa3' that is currently in use by ... instances? In embedded mode a database can only be accessed by one process at a time. The server
Forum
7

Retrieve latest entry in a time-series

As mentioned elsewhere, subqueries are not currently supported.  A subquery is the way that seems recommended to get only the latest entry in a time series (e.g. the latest time-clock entry for all employees).   Is there an ObjectDB way to get the latest entry in a series?   The easiest solution
Forum
6

Wrong data stored in time only fields

only fields. The object and its date and time fields are the same as in the referenced thread. Except we are using ObjectDB 2.6.4_08, the system time zone is set to EST and both the OS and JVM are using the 2015g time zone data. While we cannot see a problem with date only fields (more testing
Manual
6

Query Parameters in JPA

with different parameter values to retrieve different results. Running the same query multiple times ... for more details. Parameters vs. Literals Following is a third version of the same method. This time ... in order to specify what they represent, such as a pure date, a pure time or a combination of date
Forum
6

Time Sequence Object Command DB

We (www.s2ssystems.com) have a time-sequential object command database.  I would like ... of this database are: Each transaction has a time-stamp which is the time the transaction was added to the database. The user can efficiently restore the data-model to a specified time which requires reloading
Forum
6

Insert time increases as db grows.

; then 11 seconds and so on. Should I change my config in some way to get more stable insertion time ... , to avoid further performance loss over time. Well, I'm using Spring Data JPA, so I'm not sure I ... enhancer manually on classes, but still getting the same results: insertion time grows as db grows. I've
Forum
6

Compile time enhancement using build.xml of a Netbeans web application

of a Netbeans web application project to specify ObjectDB compile time enhancement, for both single file ... have been working with run-time enhancement using objectdb.jar as a javaagent, but I am now ... feature, so I want to try compile time enhancement. Besides, as the ObjectDB manual says: Enhancement by
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6

Maven driven compile time ehnancement

during compile time. Just add the following to your pom.xml:        time ... . Your solution solves the problem. Ahh ok yes that makes sense. I've seen the issue many times in other systems
Forum
6

EntityManager.refresh takes a long time

EntityManager.refresh takes a long time for entity object Person in this code:     logger.log(Level.INFO, "begin select for person " + new Date().toString());                TypedQuerytime reaches 30 - 40 seconds. Please help to understand why.  Thanks for your help