ObjectDB Database Search

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getting "Unexpected total page count" error when diagnosis mu db by ObjectDB doctor.

When am diagnosis my db it gave following report Global Value Errors ------------------- [1] Unexpected total page count : 512 (expected 449). On repair the db some of query are not working. can you please tell me what does the above error mean and how can i resolve this? Thanks   Manoj

Unexpected COUNT Results

Unexpected COUNT Results

Strings in JPQL and Criteria Queries

- counting characters in a string The LENGTH (str) function returns the number of characters in

FROM clause (JPQL / Criteria API)

_LENGTH, BOTH, BY, CASE, CHAR_LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT , CURRENT_DATE

Is ObjectDB better than competing object databases?

do not support aggregate queries (max, min, count , sum and avg). ObjectDB supports rich queries

jakarta.persistence.StoredProcedureQuery.getUpdateCount()

() Return the update count or -1 if there is no pending result or if the next result is not an update count . Returns: update count or -1 if there is no pending result or if the next result is not an update count . Throws: PersistenceException - if the query execution exceeds the query timeout value set

jakarta.persistence.StoredProcedureQuery.executeUpdate()

() Return the update count of -1 if there is no pending result or if the first result is not an update count . The provider will call execute on the query if needed. Returns: the update count or -1 if there is no pending result or if the next result is not an update count .. Throws: PersistenceException

Negative snapshot user count exception

.objectdb.com/database/issue/new com.objectdb.o.InternalException: Negative snapshot user count com.objectdb.o.InternalException: Negative snapshot user count at com.objectdb.o.SNP.D(SNP.java:344) at com ... , the "Negative snapshot user count " and the "mismatch client-server protocol" errors could be caused by

ClassCastException thrown when running count query

Hello! Attached you find a full stacktrace. The query was: SELECT COUNT (t) FROM Position t WHERE ((t.unit = :unit165w7ppbtu9ao AND t.receiveTime = :receiveTimes232ne30kd42) AND (t.latitude ... exception. Now back to the count query: SELECT COUNT (t) FROM Position t WHERE ((t.unit = :unit AND t

jakarta.persistence.ConstructorResult

, " + " COUNT (o) as orderCount, " + "AVG(o.price) AS avgOrder " + "FROM Customer c, Orders o

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 ... can predict the time for such counting ? TIA gzdillon Lai Yang Now, after 2 hours ... variant of your query would be: SELECT count (e) FROM Meta e, ImageNet i, Page p WHERE e.image=i

Duplicate Entity class names causes Exception in Query

"), @NamedQuery(name = "objdbTest.Singleton. count ", query = "SELECT COUNT (x) FROM Item x") }) public ... .createNamedQuery("objdbTest.Singleton. count ", Long.class); q.setFlushMode(FlushModeType.AUTO); try { return ... (name = "objdbTest.Singleton. count ", query = "SELECT COUNT (x) FROM objdbTest.Item x

Memory Leak in EntityManagerFactory ?

PMImpl objects but with no  QPtBearbeiter instances? One direction forward is to count ... check it tomorow). Arne Arne Stocker create_cound and close_ count are identical. I made create_ count ++ and close_ count ++ each synchronized . And in the end, there was no memory leak at all. Removing

jakarta.persistence.StoredProcedureQuery.getOutputParameterValue(int)

Jakarta Persistence (JPA) Method in jakarta.persistence.StoredProcedureQuery Object getOutputParameterValue (    int position ) Retrieve a value passed back from the procedure through an INOUT or OUT parameter. For portability, all results corresponding to result sets and update counts

jakarta.persistence.StoredProcedureQuery.getOutputParameterValue(String)

counts must be retrieved before the values of output parameters. Parameters: parameterName - name

jakarta.persistence.StoredProcedureQuery.execute()

Jakarta Persistence (JPA) Method in jakarta.persistence.StoredProcedureQuery boolean execute() Return true if the first result corresponds to a result set, and false if it is an update count or if there are no results other than through INOUT and OUT parameters, if any. Returns: true if first

jakarta.persistence.StoredProcedureQuery.hasMoreResults()

Jakarta Persistence (JPA) Method in jakarta.persistence.StoredProcedureQuery boolean hasMoreResults() Return true if the next result corresponds to a result set, and false if it is an update count or if there are no results other than through INOUT and OUT parameters, if any. Returns: true

Exception on creation when running multithreaded

. Now after the CDIs creation I'm running a count query and it returns 800 as expected, then I run ... PDIs I create the 800 Organisations I do a count on Organisations and get 800 and then I do "select $1 ... on the first query I'm getting back 0 objects, even though the count before it shows there are 800

Internal exception when updating date filed (TemporalType.DATE)

GENERATE_PERSONS_ COUNT = 1000;         private EntityManagerFactory ... _PERSONS_ COUNT );             }     ... ; }         private void createPersons(long count ) {   

Speeding up reporting queries with size() on list

500ms and 1.2 sec. The same query without counting products runs in 15-30ms each time. My question is - how to speed this type of queries, where you have to count objects on some lists?   lwalkowski

Database corrupted after schema change

------------------- [1] Page #19753 entry 0 has unexpected field count (7 instead of 5) 0. oid = '567651' 1. deleted ... #33279 entry 1 has unexpected field count (7 instead of 5) 0. oid = '559770' 1. deleted = false 2

@ElementCollection query returning extra result per element in collection

my app is that the ' count ' of the records is different to the actual retrieval (both using the same ... with the ' count ' while re-using the same predicates.   This is indeed, not a bug Willks William

Optimistic Locking

(); } @PersistenceCapable static class Counter { private int count ; void increase() { count ++; } } } For optimistic

Getting the database file size

- count ", Long.class).getSingleResult(); System.out.printf("Object Count : %d%n", objectCount); } } support Support

Date field Index is corrupted due to time change

;  Query q = em.createQuery("SELECT COUNT (r) FROM DateTime AS r");       ... ; q = em.createQuery("SELECT COUNT (r) FROM DateTime AS r");        

Queries are slow on a large database

example, I want to get the object with the highest Id. I tried a query like " count (this.Id)" or "max(this.Id)" but I get an exception: [ObjectDB 2.5.0_01]  == count

Performance issues on aggregate query

we are using this aggregate query to collect some data: select p3.doubleValue,c1.classIdentifier,c1.objectName,sum(p4.doubleValue),sum(p4.doubleValue*p5.doubleValue),0,p7.doubleValue,p3.name, count (o) from ObjectNode o INNER JOIN o.properties p1 INNER JOIN o.properties p2  INNER JOIN o

enumeration table? how to on pure jpa?

count increase much. It would be good to natively add into ObjectDB like me shown on top.That helps

Removing entity class

ObjectDB database. The 2 tables for these entities are empty, but the tables exist, so they count

persitencia (Preguntas y respuestas)

; getRowCount() with a SELECT COUNT query. Implement  getValueAt() with an ORDER BY query. support

errors on repair

we are using version 2.6.7. On running the doctor we have message like free page list broken ... unexpected total page count ... what could be the reason for this ?   hgzwicker Hans-Georg Zwicker Unfortunately these are critical errors that indicate a corrupted database file. Please provide

Multithreading Test and Deadlock

I move on to testing the multi threaded part of ObjectDB. From the same code (MyMain.java), I set the thread count from 1 to 4 and not only do I found it's slower overall (each thread only needs to insert 250K entities) but the threads are stuck with a deadlock. All threads share the same

Querying error - java.lang.ClassCastException: com.objectdb.o.STV

ID: 7221069219291554102 (expected 11) [4] Unexpected total object count : 3691044274576634723 (expected 1378) [5] Unexpected total page count : 8719319783396618851 (expected 2816) Page Relation Errors

"is not null" queries not working with index

"is not null"-queries are not working correctly for indexed fields. Following SSCCE creates 1000 entities. A null value is assigned to an indexed field for every second entity. When doing count -queries at the end, wrong results are fetched. import java.io.Serializable; import javax.jdo.annotations

Use temporary files to enable very large transactions

ObjectDB classes. The count of byte arrays grows after flush and clear, although we start the GC

ObjectDB 2.5.6

a NullPointerException in query compilation. Fixed a memory leak (Negative snapshot user count ) in

java.lang.ClassCastException: com.objectdb.o.RFV cannot be cast to com.objectdb.o.RSV

The following query: SELECT count (m) FROM Message m WHERE m.attachments.original=:template is generating this exception: [ObjectDB 2.5.1_05] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_32 (on Windows 7 6.1). Please report this error on http://www

ObjectDB needs "insert ignore"

have to do this for inserting: @NamedQuery( name="isExistName", query="SELECT count (c) FROM Student c WHERE c