ObjectDB Database Search

Hello, I have a problem with inserting of many entities. We use strings as primary key and indices ... . Can you explain this and do you have an idea for the case that strings are used for keys and indices? See both examples. btc_es BTC EmbeddedSystems Correction. The case with strings as primary key

Hi all Encounter a character encoding issue when i try to retrieve a String column containing Chinese character. Retrieve a String column on odb file.  em = emf.createEntityManager(); Query ... ();) {     System.out.println(itr.next().getName()); // name is a string column

to commit transaction: String index out of range: 5 (error 613) at com.objectdb.jpa.EMImpl.commit ... .StringIndexOutOfBoundsException: String index out of range: 5 at java.lang. String .charAt( String .java:695) at com.objectdb.o.SYH ... When I comment out the fields that are strings all works out fine. I tried replacing the jdbc field

for an enhancement of objectdb: My program has several entities which contain many String . Often some of these String are empty (""). To avoid unnecessary memory consumption, the String within the entities are initialized like: String firstName = ""; In this case every "empty" attribute shares the same String

.IDENTITY) private Long id; @Unique @Persistent(nullValue=NullValue.EXCEPTION) private String username; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getUsername() { return username; } public void setUsername( String username) { this.username = username

anaq x ObjectDB uses the ordinal Java String lexicographical order, which is based on the order ... fields - name and normalizedName , and just keeping strings in name using the decomposed form ... .*; public final class T352 {     public static void main( String [] args)   

. String for field hr.hzmo.network.model.Device.ID (error 323) at com.objectdb.jpa.EMImpl.persist ... .java:71) Caused by: com.objectdb.o.UserException: Unsupported auto value type java.lang. String ... for primary key: @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private String ID; kiki

Good day, I have many errors like this, when try to use java.util.UUID as string in querys. 16:18 ... .objectdb.o.InternalException: Error reading UTF string at org.jboss.as.ejb3.tx.CMTTxInterceptor ... reading UTF string at granat.dp.ejb.PersonBean.find(PersonBean.java:287) [DP-ejb.jar:] at sun.reflect

Hi, I have a managed database for an Entity, "Program", containing a String field, "description", that is effectively a unique sub- string of a system generated description. Example ... even when using wildcards as the input string will be larger than the string being searched for. Presently

with a string parameter select f from Foo f where substring(f.name, 1, 1) = ?1 but when i use a char ... of the left side expression is String and the type on the right side expression (the parameter) is Character . In ObjectDB as in Java char is comparable to int but not to String . Maybe an exception

Hi, Is it possible to get a JPQL string having a Query object instance? JpaQuery class doesn't ... with JPQL string and parameters map to find and optimize the most ineffective cases. kborkowski Karol Borkowski Following your request a toString implementation that returns the query string

Hi, I need to change field type in our model from long to String . After changing filed type in our model and repairing database with doctor, most of our entities is gone. Doctor puts some errors ... documentation? lwalkowski Lukasz Walkowski Changing a field from long to String should not require any

Hi Anyone could help me I need to order a string  for example user1, user2, ..., user1000 I found sql solution but I would like to use criteria builder and I don´t if exist CAST and AS UNSIGNED ... .parseInt is supported by ObjectDB in JPQL string queries. You may try using Integer.parseInt as a JPA criteria query function . support Support

reading UTF string com.objectdb.o.InternalException: Error reading UTF string at com.objectdb.o.BYR

; objectdb-2.4.7_07, alsothere exists an @Index for String email        

I am having trouble getting a simple string comparison to work in an SQL "where" clause.  It is my understanding that queries are case sensitive by default and I do not want that, so I am constructing the query as follows... SELECT e FROM Exercise AS e WHERE UPPER(e.name) = ?0 and then I

) is also accepted. Any string that starts with the prefix objectdb: or ends with .odb or .objectdb is considered

) and functions (numeric functions, string functions, collection functions). The WHERE predicate

functions - when the return value is numeric, e.g. INDEX, SIZE. as string functions - when the return

"); Expression param = cb. parameter ( String .class); // collection IS [NOT] EMPTY Predicate e1 = cb

whose type is comparable (i.e. numbers, strings and date values) and is derived from the SELECT

) Create an expression for string concatenation. Parameters: x - string expression y - string ...  x,  String  y) Create an expression for string concatenation. Parameters: x - string expression y - string Return: expression corresponding to concatenation Since: JPA 2.0 Expression

Implement a setting, where the developer can specify which Strings should be loaded via the String ... of instantiating every first name with a new String , the user should be able to specify that this field should be loaded via String . intern() (with all its advantages and disadvantages). mlaggner Manuel Laggner

ObjectDB should support selecting collation when a new database is created. The collation will affect the way strings are sorted in queries (with ORDER BY). Currently strings are always ordered by Unicode order, and a workaround that enables controlling the order is to use normalizing, as

When the following annotation is present on an enum type entity field: @Enumerated(EnumType. STRING ) Queries using JPQL IN expressions on this field won't work correctly anymore. This issue ... ;to @Enumerated(EnumType. STRING ) , as your suggestion. It happened because ObjectDB considered

Error reading UTF string (Serialized Objects in Explorer)

createEntityGraph ( String  graphName) Return a mutable copy of the named EntityGraph ... of an entity graph Return: entity graph Since: JPA 2.1 Query createNamedQuery ( String  name) Create ... string is found to be invalid Since: JPA 1.0 TypedQuery createNamedQuery ( String  name, Class

Methods Attribute getAttribute ( String  name) Return the attribute of the managed type ... Since: JPA 2.0 CollectionAttribute getCollection ( String  name) Return the Collection-valued attribute ... Since: JPA 2.0 CollectionAttribute getCollection ( String  name, Class  elementType) Return

mapped superclass types. Since: JPA 2.0 Public Methods Attribute getAttribute ( String  name ... of the managed type Inherited from: ManagedType Since: JPA 2.0 CollectionAttribute getCollection ( String ... the managed type Inherited from: ManagedType Since: JPA 2.0 CollectionAttribute getCollection ( String

Public Methods Attribute getAttribute ( String  name) Return the attribute of the managed type ... ( String  name) Return the Collection-valued attribute of the managed type that corresponds ... in the managed type Since: JPA 2.0 CollectionAttribute getCollection ( String  name, Class

Inherited from: FetchParent Since: JPA 2.0 Fetch fetch ( String  attributeName) Create a fetch join ... - if attribute of the given name does not exist Inherited from: FetchParent Since: JPA 2.0 Fetch fetch ( String ... attribute Inherited from: Path Since: JPA 2.0 Path get ( String  attributeName) Create a path

( String [] args) { // Open a database connection // (create a new database if it doesn't exist

.persistence.*; import java.util.*; public class Main { public static void main( String [] args) { // Open

= emf.createEntityManager(); try { // Handle a new guest (if any): String name = request

a new guest (if any): String name = request.getParameter("name"); if (name != null) { em

response) throws ServletException, IOException { // Handle a new guest: String name = request.getParameter

a new guest: String name = request.getParameter("name"); if (name != null) guestDao.persist(new

(HttpServletRequest request) { // Handle a new guest (if any): String name = request.getParameter("name

") public ModelAndView guestbook(HttpServletRequest request) { // Handle a new guest (if any): String

a Properties instance. Each property consists of two strings , a name that identifies the property

. Moving from one mode to the other can be done simply by changing a single string (the connection

Methods void addExtension ( String  key, Object value) Add a vendor-specific extension ... void addSubquery (Query sub,  String  variableDeclaration,  String   ... terms of the outer query See Also: addSubquery (Query sub, String variableDeclaration, String

, then JDOUserException is thrown. Since: JDO 1.0 String getConnectionDriverName () Get the driver name ... transactions. Return: the data store connection factory. Since: JDO 1.0 String getConnectionFactory2Name ... store connection factory. Since: JDO 1.0 String getConnectionFactoryName () Get the name for the data

"field" and "property". Since: JDO 2.1 Public Annotation Attributes String cacheable default "true" Whether this field/property is cacheable in a Level2 cache. Since: JDO 2.2 String column default ... , for example relationships with multiple column foreign keys. Since: JDO 2.1 String customValueStrategy

for a bundle called "Bundle.properties" located in the package of the specified class object and ( String ... methods can be used to format message strings using the text from the bundle, as in throw new ... : the associated resource bundle Since: JDO 1.1 String msg ( String  messageKey) Message formatter

, String name , and Float salary ) would have the method generated: void jdoCopyKeyFieldsFromObjectId ... that has three key fields ( int id , String name , and Float salary ) would have the method generated ... . Since: JDO 1.0 String [] getFieldNames (Class pcClass) Get the field names for a PersistenceCapable

See Also: Query Since: JDO 1.0 FetchGroup getFetchGroup (Class cls,  String  name ... of the given type with the given key. Parameters: cls - The type of object to load key - either the string ... Since: JDO 1.0 Sequence getSequence ( String  name) Returns the sequence identified by name

"element". Since: JDO 2.1 Public Annotation Attributes String column default "" Name of the column ... to any foreign key for the element. Since: JDO 2.1 String dependent default "" Whether the element is dependent on the owner, and will be deleted when the owner is deleted. Since: JDO 2.1 String

Public Annotation Attributes String column default "" Name of the column to store the key in ... . Since: JDO 2.1 String dependent default "" Whether the key is dependent on the owner (and will be deleted when the owner is deleted). Since: JDO 2.1 String embedded default "" Whether this key

.1 Public Annotation Attributes String column default "" Name of the column to store the value in ... for the value. Since: JDO 2.1 String dependent default "" Whether the value is dependent on the owner (and will be deleted when the owner is deleted). Since: JDO 2.1 String embedded default