Home » Search

About like

141-150 of 200Refresh
Forum
0

How to define Default Entity Listeners without persistence.xml and orm.xml

I am using JPA programaticaly..ie without xml file, and i would like to define Default Entity Listeners. How to do ? Here my init code: Properties config = new Properties(); config.put("javax ... using em.getDelegate() and then using objectdb api ? I would like to do specifics actions
Forum
0

how to query by properties of onetomany relations? (Error 990)

objects. i adapted my query and it works like expected. thanks for the hint Support of direct ... is provided on the Query Setting and Tuning page. great, thanks I'd like to know more about this. It looks
Forum
0

IMK Stall with certain query

(OrderData.class); Predicate p1 = cb.like(cb.lower(order.get("buyerId")), param); Predicate p2 = cb.like(cb.lower(order.get("buyerName")), param); query.select(order); query.where(cb.or(p1, p2)); List
Forum
0

In memory processing for ObjectDB

Hi there ! We are building a platform for trades processing where we want to keep our processing speeds very high. We like ObjectDb because its simplicity and the performance benchmarks ... for ObjectDB where recovery is possible, something like prevalyer etc. Basically we want to hit a huge
Forum
0

Insert time increases as db grows.

Hello, I've just installed ObjectDB and done some tests. I'm inserting 22k of records like 10k iterations of 22 linked entites. I've got indexes on Long id on every entity and additionally one entity ... just set enhancer as javaagent and everything worked like a charm: the execution time of test now is around 2 seconds. Thanks for assistance. 4410
Forum
0

Insertion Speed Rate and Batch Load

1. I got about 10K inserts / second, is it normal? I would expect more than that, like close to 100K/second. I can definitely do 80K inserts/seconds on Oracle with batch insert on table ... see no problem at all, the speed is about 150K/second. Seems like something is not right with reusing
Forum
0

InternalError on query of empty database

something that identifies that that is the issue, say something like "MissingSchemaException", ie ... something like javax.persistence.EntityNotFoundException? Either that, or is there some way to query
Forum
0

Is there an update on running ObjectDB purely in-memory?

Hi, I know that this has been asked, but the last time seems to be two years ago, so I'd like to know whether there is a change or an outlook regarding the topic: Is it possible, or planned, to run ... -memory mode, as supported by SQL databases like H2 or SQLite. Thanks, David We had this as
Issue
0

Issue with DISTINCT Select

, what is the desired, JPA-Conform way of NOT having a result with doubled $1 and stilll use something like our code ... and a String. Sorry but still not working it looks like I am too dumb!? Using this query on attached DB
Forum
0

java.lang.NullPointerException when using ORDER BY

, but the problem persists. Finally, we tried queries like the following and all work: SELECT r FROM ... member like r.startDateTime.   As I was writing the previous post it occurred to me try ORDER BY