Integer « Map « JPA Q&A





1. What datatype in oracle would map to a Java int?    stackoverflow.com

What type in Oracle (10 Express Edition) would be the "same" as a Java int?

2. Persist a Map with JPA    stackoverflow.com

What's the best way to persist the following map in a class:

  @Entity
  class MyClass {


      @ManyToMany(cascade = CascadeType.ALL)    
  ...

3. Howto Persist a Map with JPA?    stackoverflow.com

I'm working on migrating some code that has two entities (Progress and PerformanceRating) that are related by a many-to-many relationship. Each PerformanceRating has multiple Progress and each Progress type can ...

4. How to map a Map?    stackoverflow.com

Is it possible to map the data structure Map<String, int[]> using hibernate? The array will allways have the same number entries. Sorry for the possibly dumb question but I have currently no ...

5. how to map integer array in hibernate    coderanch.com

6. how to map Integer or Enum Ordinals to small int    forum.hibernate.org

For example, public Integer getValue() { } the value range is from 0 to 10. public enum Color { RED, BLUE, YELLOW } @Enumerated(EnumType.ORDINAL) public Color getColor() { } For mysql, it is mapped to int(11). I can use columnDefinition="smallint(2)". But it is not portable to other databases. How to map it to a small integer type in database? Thanks, Dave ...

7. Application Double to Database Integer mapping    forum.hibernate.org

I have an application where the core calculation engine can handle only double data type(for Numeric) and the entity mode is "dynamic-map". The application uses a shared database which has to be auto created by hibernate schema creation tool. The requirement is as follows: 1.The calculation engine will set only double value(#.0) to the property 2.The database column will have to ...

8. Problem mapping to java.lang.Integer    forum.hibernate.org

9. Mapping Integer month and Integer year to Date    forum.hibernate.org

Hi, I am working on legacy oracle database. Instead of using date field there are two integer type fields for month and year in a database table. Is there any possibility to map these two fields into java.util.Date/timestamp etc field through hibernate? I am using xml based mapping and JPA 1.0. Thanks, Farooq





10. int in mapping file, but Integer in generated class    forum.hibernate.org

All, I have a mapping file that contains a type="int" that's generated in the Java class as an "Integer" rather than an "int": The mapping: @hibernate.id generator-class="assigned" type="int" column="action_id" The generated code: /** identifier field */ private Integer actionId; There are several other ints in the same mapping file that ...

11. Help with mapping sql type float8 and java int.    forum.hibernate.org

INFO: Hibernate 2.1.2 PostgreSQL: 7.3.4 Hi, I'm having trouble with a db column that is of type float8 that can contain null. The problem is described in the faq *) and happens when running a Criteria.list() request. The question is; how do I use a Hibernate custom type to do as described in the FAQ ? I've not found any .bhm.xml ...

12. mapping int    forum.hibernate.org

my java object has a field of type int . When I select information for the database with this object and field is null in the database I get "net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter " . If I change the field in my object to Integer .. it works , obviously because an ...

13. why does type=Integer map to number(10,0)?    forum.hibernate.org

All Oracle integer fields are described as number( x ) in the db where x is the number of digits required by the type. Integer is number( 10 ) Long is number( 19 ) The second optional number is the number of decimal places the number has which is zero for ints/longs etc.

15. Mapping a collection of Integers    forum.hibernate.org

I'm struggling with a really basic collection mapping. It's a unidirectional one-to-many between an simple class and java.lang.Integer. I don't want to create a wrapper class to represent the Integer. Context: A BIN is a unqiue identifier. A BIN Group is a named grouping of such identifiers, with no duplicates and in no particular order. The code looks like this: Code: ...

16. Max Length Column Mapping for Integer    forum.hibernate.org

Hi, I have a table with a column defined as NUMBER(12) and with a value 999999999999 (12 digits), and I'm mapping this column as an Integer. When I'm making a simple find (even if I'm retrieving only one row) I'm having this exception: 18:29:20,035 ERROR [SProductDimensionBean:426] net.sf.hibernate.exception.GenericJDBCException: Could not execute query net.sf.hibernate.exception.GenericJDBCException: Could not execute query at net.sf.hibernate.exception.ErrorCodeConverter.handledNonSpecificException(ErrorCodeConverter.java:90) at net.sf.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:79) at ...





17. Hibernate 3.0.5 and JDK 1.5 enum -> map to int/string in    forum.hibernate.org

public class Contract { ... private ContractType type; public void setType(ContractType type) { this.type = type; } public ContractType getType() { return type; } } ...

18. How to map MySQL integer column value=0 to NULL value ?    forum.hibernate.org

gavin wrote: The solution is to use not-found="ignore", or write a UserType that transforms 0 -> null, and use that as the identifier type. Of course Hibernate does not create schemas with default values. Hi thank you for quick reply , after I set not-found="ignore" as follow : Code: But it throws different exception ...

19. Mapping question between int and Decimal(x,0)    forum.hibernate.org

Hi, there. As a newbie in Hibernate, I face a pretty confusing issue now. In my domain object there's a property of which type is 'int'. The DB table column that correspons to the property has Decimal(5,0) for example. What would be the best way to convert between these two different types? Supposed that no changes on any of each side ...

20. Reverse engineering and sql-mapping with CHAR(1) to Integer    forum.hibernate.org

Hibernate version:3.2 i'm using the reverse engineeering ant task on an Oracle database (8.0). I'm using oracle.jdbc.driver.OracleDriver. My Oracle table is composed with a CHAR(1) attribute. The default mapping to Java is Character. i'would like to have Integer instead of ... I'm using the: and the resulted hbm.xml is ...

21. parent-children table parentId could not set int to null why    forum.hibernate.org

Newbie Joined: Tue Jun 26, 2007 10:04 pm Posts: 4 when i try to save a entity , it said: Code: QueryEntry qe = new QueryEntry(); qe.setTitle("test"); queryEntryDAO.save(qe); org.springframework.dao.DataIntegrityViolationException: could not insert when i try to insert a record in database like this: insert into query_info (title) values ('test'); ...

22. Annotation mapping SortedMap problem    forum.hibernate.org

@org.hibernate.annotations.CollectionOfElements @JoinTable( name = "cbs_hour_quotes", joinColumns = {@JoinColumn(name = "cbs_id")} ) @MapKey(name = "year") @Column(name = "quote") @org.hibernate.annotations.Sort(type = ...

23. Mapping an array of ints?    forum.hibernate.org

Hi, I have th following in one hbm.xml file: .... ...... When running, I got the following error: Caused by: org.xml.sax.SAXParseException: The content of element type "array" must match "(meta*,subselect?,cache?,synchronize*,comment?,key,(index|list-index),(element|one-to-many|many-to-many|composite-element|many-to-any),loader?,sql-insert?,sql-update?,sql-delete?,sql-delete-all?)". What's ...

24. How to map an integer value to string value in code?    forum.hibernate.org

Hi guys I have legacy code that I am very reluctant to change due to having to recode/test everything. So I am trying to avoid changing old code if possible, however, I am integrating hibernate into this application. With that said, I have a bean (legacy code which I've mapped) with a property called myID (java.lang.String) which I want to map ...

25. How to persist Map with Annotations?    forum.hibernate.org

Hi, i tried to persist a Map with something like this: [code] @CollectionOfElements(targetElement=Title.class) @JoinTable(name = "titleList") @org.hibernate.annotations.MapKeyManyToMany(targetEntity=Integer.class) private Map titleList; [/code] Title is a simple Entity with only one string attribute (+PK) and the following error occurs: org.hibernate.exception.SQLGrammarException: could not insert collection Caused by: com.ibm.db2.jcc.c.SqlException: DB2 SQL error: SQLCODE: -204, SQLSTATE: 42704, SQLERRMC: DBPRAK06.TITLELIST Exception in thread "main" org.hibernate.exception.ConstraintViolationException: could ...

26. many-to-many table, mapping non-integers as keys    forum.hibernate.org

Newbie Joined: Fri Feb 27, 2009 6:42 pm Posts: 10 So we're hitting an issue currently using a many to many table with no primary key, only a composite key. In essence what's happening is that we have two tables, BUILD_RESULT and INSTALL_BUILD_RESULT that contain data. The primary key for BUILD_RESULT is a native SQL key, but also has a unique ...

27. can't map int[] for EJB3 usage...    forum.hibernate.org

hi, i try to map array of integers column from my postgresql 8.3 database to ejb 3.0 entity bean field. In EJB 2.1 I simply declared that column as java.sql.Array and worked fine. However, it's not working this way in 3.0. I tried using @Lob annotation, changing types from Integer[] to int[], to Serializable and so on... Nothing works, all the ...