ObjectDB Database Search

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Composite Index error 328

= -4472890635861972890L; private int id; private int dyId; private long pwd; private String usrName; private Integer mail; private int access; private short programType; private Date regDate; private Date regEnd; private Date lastLogin; private String lastIp; private int flags; private String name; private String

Replicated cluster recovery

[], int , int , int ) line: not available [native method] SocketInputStream.read(byte[], int , int ) line: 129 BufferedInputStream.fill() line: 218 BufferedInputStream.read1(byte[], int , int ) line: 258 BufferedInputStream.read(byte[], int , int ) line: 317 CST(NTS).z( int , int ) line: 314 CST(NTS).y() line: 274

Duplicate Entity class names causes Exception in Query

int version; @Basic protected java.lang.Integer lastInstance; public void generateItems(EntityManager em, int howMany) { if (lastInstance == null) { lastInstance = 0; } int endCnt = lastInstance + howMany; int startCnt = lastInstance; while (endCnt startCnt) { startCnt++; Item item = new Item

Database size is much larger than expected (x2)

I store images into objectdb. The schema is : ::=( , , , , ) ::=String ::=char ::= int ::=byte ... ; EntityManager em = emf.createEntityManager();         for ( int i = 0; i by ... .InheritanceType; public class URIReader { public static int read( int iNumber){   int i = 0;   int

find() cost unreasonable time!

) private int id; @ManyToOne @JoinColumn(name="parent") protected Nodes parent; @OneToMany(mappedBy ... getSons0() {   System.out.printf("===========%n");   int iSum = 0;   for ( int i=0;i 0 ... /timecost); } private static void getSons0() {   System.out.printf("===========%n");   int iSum = 0;   for ( int i=0;i

Error using query with MAX() function

= "mySchema") public class TestEntity { @Id private int id; @Basic @Lob private String remark; @Basic @Temporal(value = TemporalType.TIMESTAMP) private Date changeDate; public int getId() { return id; } public void setId( int id) { this.id = id; } public String getRemark() { return remark; } public

Cascading makeTransient

{ private int fieldInt; private String fieldString; private HashMap fieldMap; private ArrayList ... ( int fieldInt){   this.fieldInt = fieldInt;   this.fieldString = ""+fieldInt;   ... ); } public int getFieldInt() {   return fieldInt; } public void setFieldInt( int fieldInt) {  

persisting object with long[][] arrays of array

script - which takes about 50sec to complete on my mac. private static long[][] random2( int n){   ... .createEntityManager();         int n = 100_000;      ... ; } } and the test code took less than 1sec to complete: private static long[] random2( int n){   

Join performance in Objectdb

; int entityCount = 160000;               ... ;   em.getTransaction().begin();         for ( int i = 0; i ... ; EntityManager em = emf.createEntityManager();         int entityCount

Database(*.odb) file size on disk

; public final class createAndDelete { static int idCounter = 1; public static void main(String[] args ... .setFlushMode(FlushModeType.AUTO);   int objects = 1000;   int loops = 3;   for ( int iteration = 0; iteration

Bug: ClassCastException by retrieval

class Node { @Id     @GeneratedValue(strategy=GenerationType.IDENTITY) int id ... .toCharArray();   int iLen = ca.length;   Character[] la = new Character[iLen];   for ( int ii = 0; ii

EntityManager refresh problem

; private String fieldA;     private int fieldB;     public String ... = fieldA;     }     public int getFieldB() {         return fieldB;     }     public void setFieldB( int

Queries are slow on a large database

implements Message, LogItem, Comparable { private int Id; private int logTestRunId; private int logEntryId

How to avoid NULL values on Embedded entities

int numero;     @Basic(optional=false) private String ciudad;     ... String pais;     @Basic(optional=false) private int cp; }   And how to make

Performance and memory usage of queries

.Persistence; import javax.persistence.Query; public class MemoryUsageOfQuerys { static int steps = 500000 ... ;  .createEntityManagerFactory("objectdb:$objectdb/db/test.tmp;drop");   EntityManager em;   for ( int i = 0; i

What algorithm in find()

I test the time cost for find(), obtain a linear complexity with the following codes:   int iBlock = 0x10000;   for ( int i = 1; i

Problem with @UniqueConstraint

[] args) { int r = ( int )( Math . random () * 1000000 ); String PATH = "c:\\temp\\test_" + r + ".odb

Does ObjectDB support lazy loading?

; } @Entity static class B { @Id @GeneratedValue public Long id; int value; B( int value

NoSuchFieldError: __odbTracker on NetBeans 7.3 + JBoss 7.1.1

; } @Override public int hashCode() { int hash = 0; hash += (id != null ? id.hashCode() : 0); return

Unexpected behaviour upon update. Bug?

This sample does not work as I expect.  Why?  Is it a bug? Below is the complete program. Expect: 3 Get: 4 import java.io.Serializable; import java.util.List; import javax.persistence.*; @Entity public class Update implements Serializable { @Id int i; int v; public static void main

Performance issue in a query due to compareTo calls

private String comment; @Basic private boolean isVisible; @Basic private int numberOfDefinedValues = 0; @Basic private int lastIdentifierIndex = -1; @Deprecated @Removed (version = EPVersion.EP2_5_0

Internal exception when updating date filed (TemporalType.DATE)

; public static class DataManager {         private final int ... ;               for ( int index = 0; index

Problem of query With an aggregate function

listSommeLong = new ArrayList (); for (BigDecimal[] bigDecimals : listRes) { for ( int i = 0; i

Connection performace after upgrade to objectdb 2

;  public static void main(String[] args)  {         for ( int i = 0; i

Update Entity references if we change the type of an entity

, because it's possible that many other entities have just a ID based reference with a simple ' int ' field

Index on map key

;  em.getTransaction().begin();         for ( int i = 0; i

Dates

better. If you want to store a timezone you may use a separate int field. support Support

zip file or JAR manifest missing

EntityManager em = SingleManager.getEntityManager(); public void read(){   int iCnt = 10;  

Connection is closed Caused by: java.io.EOFException

;     "objectdb://localhost/test.odb;user=admin;password=admin");         for ( int i = 0; i

Performance in SELECT statement

State {     private Long lastProcessingDate;     private int

member visiting in jpql

an ordinary int field (holding the array length) for this purpose. support Support

EntityManager getMetamodel() causes crash

Point objects in the database: em.getTransaction().begin(); for ( int i = 0; i System.out.println

Query by array element

;     boolean isProperty( int index) {        

Optimistic Locking

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

Server connection management

;user=admin;password=admin");                 for ( int i = 1; i

how to create only table structure.

hi, I want to create only a table without insertions of data. And also table contains constraints like not_null, unique, primary key etc. Ex: (In sql) create table emp (id int (5) primary key, name varchar2(20)); , so it will create only table. when we want to see the table structure

Date field Index is corrupted due to time change

int hashCode() {             if (id != null

No clue how to query with collection

Hi there! Actually, what I have is something like: @Embedable class Address {     String getStreet();      int getStreetNo(); } @Entity class Contact {     Collection getAddresses(); } Now what I want to do is to select all available

Performance problem

; startTime = System.currentTimeMillis(); int i = 0;     while(i

NPE at com.objectdb.jpa.JpaQuery.getResultList

(true, -1, -1); } public List findMomentPayloadEntities( int maxResults, int firstResult) { return ... (boolean all, int maxResults, int firstResult) { EntityManager em = getEntityManager(); try ... ;        int maxResults, int firstResult) {     

[ObjectDB 2.2.5_02] Unexpected exception (Error 990) com.objectdb.o.InternalException: java.lang.NullPointerException: null

() { return findChartEntities(true, -1, -1); }   public List findChartEntities( int maxResults, int ... findChartEntities(boolean all, int maxResults, int firstResult) { EntityManager em = getEntityManager(); try

javax.servlet.ServletException: Annotated methods must follow the JavaBeans naming convention. __odbHidden_getPropertyName

Where getWidthPxSideBarLeft() is an annotated getter of an entity ViewConfiguration: private int ... ; public int getWidthPxSideBarLeft() {         return widthPxSideBarLeft;     }     public void setWidthPxSideBarLeft( int widthPxSideBarLeft

NullPointerException in __odbGetNumMember

wrong: Mitglied(GalaxyJPAEntityQublet).__odbGetNumMember( int ) line: 1 UMR.I(Object) line: 765 UMR.H ... ENH.a(ENT, TYW) line: 46 STA.T(EVC, TYW) line: 512 STM.E(EVC, TYW, boolean, int ) line: 425 PMImpl(OBM

Navigation through lazy loading from Detached Objects

; @Id int id;         String str;       ... ;               MyEntity( int id, String

"is not null" queries not working with index

;       em.getTransaction().begin();         for ( int i = 0; i = 0 or p.bar = 0 or p.bar

Unexpected exception (Error 990) com.objectdb.o.InternalException

MyEmbeddable {         int x;       

Remove of an entry from a @OneToMany collection is not possible if the enhancer is disabled

;      int x;     } } Build 2.6.0_04 includes a fix of this issue

UPDATE statemen crash when i put the WHERE clause.

.createEntityManager() ; int lab_points ; for (List linie: linesAsList ) if (linie.get( 1 ).matches

Use temporary files to enable very large transactions

an entity:   em.getTransaction().begin();   for ( int i = 0; i

Eager Fetch of Map with Entities as Keys

;     public int hashCode() {