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101-139 of 139 resultsHow to check if an entity exists in a Database without loading it? WHERE e.pk = :pk or SELECT COUNT (e) FROM MyClass e WHERE e.pk = :pk support Support | |
LazyInitialization / join fetch count ( item0_.codigo ) from the col_0_0_ item item0_ Nov `` ` This may be occurring due to not doing | |
Conflicting modifiers .... (javax.persistence.Id, javax.persistence.ManyToOne) = "numberOfMapItems", query = "SELECT COUNT (x) FROM CompoundKeyMapItem x") }) public class Container { public | |
collection of embedded objects of @Embeddable objects? ie. Suppose I want to query: SELECT count (a) FROM A a WHERE a.setOfB.value | |
ObjectDB size not reducing smaller(it gets bigger) each hour as record count reduces. Trianglehead Json Error When objects | |
Using the wrong class to access a database of entries is zero. - running the app a second time, the count is zero and the average is null | |
java.sql.Timestamp.getTime() not working Hi, I need to work with Timestamp diff in two entity fields, but this queries SELECT count (p) FROM Player p WHERE p.loginAt.getTime()-p.registeredAt.getTime():value SELECT p.loginAt.getTime() FROM Player p fails with object is not an instance of declaring class or java.lang.ClassCastException | |
Entity has be persistended,but query not fetched?; System.out.println(" count : " + query.getResultList().size()); em | |
Replication error - parsing objectdb config Point and Line objects (as per the tutorial) to the master database and then attempts to count | |
Sorting problem count , String sortColumn, boolean isAscending) I have to prepare correct query as a String using | |
Wrong data stored in time only fields; Query q = em.createQuery("SELECT COUNT (r) FROM DateTime AS r");   | |
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: Caused by: java.lang.IllegalStateException: com.objectdb.o.InternalException: Unexpected | |
100% CPU when using multiple BETWEEN DESC, r.channelNumber DESC In both cases we limit the result count to the first 50 records | |
find repeated records by JPQL Hi, I know a single command in MySQL can find repeated records: Select * from TTT t where id in (select id from TTT s group id having count (id)1) I dont know how to do this using JPQL, but I use query from 430,000 records and put them into hashmap, finally it cost one hour and failed: Exception in | |
Getting sales quantity per country with a query, an idea anyone?; + " COUNT (ord),"   | |
Exceeding max connections and crashing to the database, initial count was 500 but it wasn’t enough and we increased it to 5000 | |
createQuery method error Hello, I am learning ObjectDB now. I create a simple Dao method as below: public boolean isJobExist(String name) { TypedQuery query = em.createQuery( "SELECT count (j) FROM MFJob j WHERE j.jobName = :name", Long.class); return query.setParameter("name", name).getSingleResult()0 ? true | |
A nested SELECT Hello. I have a query UPDATE Look l SET l.partlySold = FALSE WHERE (SELECT count (a) FROM l.things a WHERE a.thing.status != :status) | |
Doctor - high memory usage ------------------- [1] Unexpected total page count : 33024 (expected 33152) Creating a database copy | |
Concerning coding style of the example in the posting instructions and test cases, I contest that it breaks the rules for JPA2 entities on at least 2 counts | |
Is there a function of "drop table" or "delete from table"? table" or "truncate" can clear the id counting . Any idea? gzdillon Lai Yang Resetting generated ID | |
10 classes limit hey. i am a student. and we are learnning inheritance in JPA for my assiment i have 1 base class and 20 subclass in some kind of hierarchy (with all kind of mappings: SINGLE_TABLE, TABLE_PER_CLASS and JOINED). can i use the free version (it will count as 1 class?) or the 10 entity class limit | |
Drop in Client/server mode not working( em.createQuery("SELECT COUNT (e | |
JPA and handling large data sets to count them). Much more efficient way is to replace setFirstResult with a constraint on the result | |
Should derived fields of an EmbeddedId be manually maintained by app code? = "SELECT COUNT (x) FROM ECompoundKeyMapItem x WHERE x.container = :container") }) public class | |
Enhancement Check auto generated classes, which are not signed and may be counted against the 10 classes limit | |
Occasionally slow requests in load testing in the last post regarding load we are running - the load is 120000 call per minute, counting | |
Eclipse plugin problem (using ObjectDB as a separate bundle)), click Validate Plugin-ins button (third on right from below, counting vertically from the "Close | |
Error 363 - Failed to read value of inverse relationship; return db.createQuery("SELECT count (p) = 0 FROM Player p", Boolean.class | |
Left join fetch behaviour doesn't retrieve children? : Doing count (*) of MyEntity = 50000 entities Doing list(MyEntity) = 50000 entities Doing list | |
Blocked by find the "Negative snapshot user count " error ( Issue #556 ). Please try build 2.3.3_04 that should solve | |
Server out of memory exceptions open databases do you use concurrently? Following the thread dump I count about 9 open databases | |
InternalException when using MEMBER OF on a large list in a query if you analyse the sample. The example works if you reduce the count (line: 31) to 20.000 or  | |
Getting an error when adding activation code to conf file.clear(); } }); em.getTransaction().commit(); Query q1 = em.createQuery("SELECT count (my) from MyEntity | |
New entity objects are duplicated on merge cascading.createQuery("SELECT COUNT (c) FROM Chapter c"); System.out.println | |
Online Backup degrades responsiveness. count , but still not completely fixes the issue and I'm not sure how scalable this and costly | |
Internal Exception) [objectdb-2.4.4_05.jar:] ... 1 more With this query: SELECT COUNT (DISTINCT $1) FROM com | |
ObjectDB 2.3.4 Added OSGi support. Added support of MEMBER OF for inverse (mapped by) collections. Changed logging of incomplete recovery records from WARNING to TRACE ( issue #565 ). Changed main configuration elements from required to optional. Fixed the "Negative snapshot user count " bug ( issue #556 | |
Internal Exception: null The query SELECT COUNT (t) FROM TrackerUser t WHERE NOT t.username = :username with :username - "admin" leads to the following exception: com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.InternalException.f(InternalException.java:236) at com.objectdb.o.WSP.h |