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1. Accessing column from Collection of Collection using Hibernate mapping    stackoverflow.com

Req.hbm.xml:

 <id name="reqId" type="long" column="REQ_ID"> 
  <generator class="sequence">
   <param name="sequence">SEQUENCE</param> 
  </generator>
 </id>


 <bag name="lines" lazy="false" >
  <key column="REQ_ID" not-null="true" />
  ...

2. Hibernate: Mapping One-way Redundant Columns    stackoverflow.com

In my schema there are a few redundant columns used to speed up report queries. For example, the purchase total of a sale is saved in the "purchase_total" column of ...

3. Many-to-many on the same table with additional columns    stackoverflow.com

I have a class User. A user can be a friend with many other users. The relationship is mutual. If A is a friend of B then B is a friend ...

4. Hibernate mapping collection by column    stackoverflow.com

lets take this example

<class name="Product">
<id name="serialNumber" column="productSerialNumber"/>
<property name="category" column="category" />
<set name="categories">
    <key column="productSerialNumber_FK" not-null="true"/>
    <one-to-many class="Part"/>
</set>
The collection mapping always maps with the id from the ...

5. Mapping Multiple Classes to a Table in Hibernate, Without a DTYPE Column    stackoverflow.com

I have two hibernate classes: a base class, and an extended class that has additional fields. (These fields are mapped by other tables.) For example, I have:

@Entity
@Table(name="Book")
public class A {
   ...

6. Is there a way to have a Hibernate mapping to a column that may or may not exist?    stackoverflow.com

I have a situation where a column on a table may or may not exist. Long story short, we have an optional feature that, if implemented, will tack on a column ...

7. Hibernate: Mapping single column to different tables    stackoverflow.com

I am having the following tables:

Template(
Template_Id,
Template_Name,
Component_Type,
Component_Id
)

Division(
Division_Id,
Division_Name
)

SubDivision(
SubDivision_Id,
SubDivision_Name
)

Department(
Department_Id,
Department_Name
)
In the Template table, the Component_Type field can contain the value Division or SubDivision or Department. Component_Id will contain Division_Id or SubDivision_Id or Depatment_Id depending on Component_Type. I ...

8. Hibernate - How to disable mapping for a column    stackoverflow.com

When tagged as @Entity, each attribute of a class is mapped to one database column. I have some classes where I want to add some fields for internal usage, but I don't ...

9. hibernate mapping of 2 column table    stackoverflow.com

I have a table with 2 varchar columns key,value used to store config for an application. (key column is aso the primary key) Is there any other way to use it ...





10. Hibernate Mapping same Column twice    stackoverflow.com

How can fix this thing

Repeated column in mapping for entity: com.abc.domain.PersonConnect column: PERSON_ID (should be mapped with insert="false" update="false")
this is snippet from my hbm file
<class name="com.abc.domain.PersonConnect" table="PERSON_CONNECT"> ...

11. Hibernate map two classes to same table with each having differnt set of columns.    coderanch.com

Hi, I tried to look up this issue a lot but was unsuccessful. Let me put my problem through the following case, I have a Table table1 With Columns column1, clolumn2, column3,......, column12. In my application I want to create two classes Class1 to Class2 . In class1 I want to map columns from column1 to column6 and in class2 I ...

12. Mapping a join table with additional columns    forum.hibernate.org

I know this issues has already been discussed. But i still have a question about this. I have two tables A & B and a thrid table C which is a join table holding the association between A and B. I did mapping for this scenario and it works fine. Now, i need to add few more columns to the join ...

13. Mapping column priveleges    forum.hibernate.org

Hi folks I have an existing PostgreSQL 8.4 database I'm connecting to via Hibernate (using JPA2 Annotation-based mappings). The DB uses column priveleges to control what different user roles are allowed to do. Hibernate connects as the application user, so it is subject to those permissions checks. My problem is that I don't know how to map columns where the column ...

14. mapping one column to two different tables    forum.hibernate.org

15. Simple column mapping.    forum.hibernate.org

16. Mapping a Join Table with Additional Columns    forum.hibernate.org

Hi, In our project we use hibernate annotation. Where in we have a requiremet of manytomany relationship . for example , There is employee class with @Entity @Table(name="Employee") public class Employee implements Serializable { private int empId; private String empName; private List projects; @Column(name = "Emp_Name") public String getEmpName() { return empName; } @Id @Column(name = "Emp_Id") public int getEmpId() { ...





17. Conditional Column Mappings    forum.hibernate.org

I have a schema that I am trying to map within a file. I would like to add a property on my object for 'name'. The name is derived from one of two fields in the schema, subDir1 or subDir2. If subDir2 is not null then use subDir2, else subDir1. Is there anyway I can map this conditionally in the hibernate ...

18. Map a column, and an entity?    forum.hibernate.org

I have a situation where it would be useful to be able to retrieve an entity from a @ManyToOne mapping, but also set the property by ID. So when I accessing an existing record I can easily read access the associated entities, but when defining associated entities I only need a primary key rather than constructing a complete entity. So, using ...

20. How do I map to a column in another table    forum.hibernate.org

This seems like it should be simple, so it's quite possible I just "don't get it". I have a Project object that has a statusId column. This works for most of my CRUD situations. However, when searching and displaying results, I wan't to show the text representation of statusId, which I have as a statusDesc getter/setter. It seems like I should ...

21. Problem with column mapping    forum.hibernate.org

22. Accessing columns of parent table in child object    forum.hibernate.org

I am newbie to Hibernate trying to find a weird solution. I am not sure I am right or is it possible in hibernate Here is the scenario Dept Dept_ID DeptName Description DeptAlias DeptLocation Employee Employee_id EmpName Dept_ID .... I successfully implemented the relation where I can get the Dept object for each employee. My reqt is to get only the ...

23. Mapping a column twice    forum.hibernate.org

Hi, I have three tables: Province id, name Holiday_pay_Rule id,name Province_Holiday_Rule id, province_id, holiday_rule_id, value Now, I have Province and Holiday Rule both persisted. What is the best way to map it so that I can get the values? Essentially, I need a list of rules, but I need the values associated with the rule for this province. (I will always ...

24. How to map join-tabel columns to many-to-many ends....    forum.hibernate.org

Hi all, I understand that you can use to map table's column from the join-table to either ends of the many-to-many relationship. But approach will only give either end entity a one-to-many relationship to the components that contains data collected from the join-tables. What I really want is to have properties of one ends of the many-to-many relationship, to be ...

25. one-to-one map on arbitarary columns on both classes    forum.hibernate.org

hi, Hibernate 2.1 i am a Hibernate beginner. my problem is as follows: 1. table item_master->field part_category_id has one-to-one relation with table part_category_master->field part_category_id. item_master primary key is part_id. i need to set one-to-one relation in item_master table map, on the basis of item_master->part_category_id = part_category_master->part_category_id. Hibernate keeps trying to set up relation on the basis of item_master->part_id to part_category_master.part_category_id. because, ...

26. Mapping for localized columns    forum.hibernate.org

Newbie Joined: Thu May 20, 2004 10:21 am Posts: 5 Using Hibernate 2.1.3. I have a table layout that is a little unconventional and need some help mapping it properly for Hibernate. Here are the table definitions: Code: lang lang_id (pk) code lang_asset lang_asset_id (pk) ...

27. double key-column for one-to-many-mappings    forum.hibernate.org

hi there, i have problems with my bidrectional 1:m mapping. Assume the follwing: I have an entity 'Class' and an entity 'Relation'. 'Relation' has a 'LeftClass' and a 'RightClass'. How do I write the mapping for 'Class' if I want to access all Relations, thus meaning all 'Relation'-entities that have this 'Class' as 'LeftClass' or as 'RightClass'. my mapping so far: ...

28. Can use map's key column same as many-to-many column?    forum.hibernate.org

Hi, I have a class C having a map of Product with prduct's id as map's key like the following: When running program, there is error saying "repeated column declaration". For such mapping, how to do it? Thanks, Rice

29. how to map a LONGRAW column    forum.hibernate.org

30. Just want a column of a child table included in a class.    forum.hibernate.org

DEVICE device_id bigint device_name varchar device_type_fk bigint references DEVICE_TYPE ... and DEVICE_TYPE device_type_id bigint device_type_name varchar ...

31. Map - Implementing as Column vs Table    forum.hibernate.org

I have an application that where the attributes/properties per class are variable (think XML doc). I'm implementing it as a Map where key and value are both string. Code: public class MyClass { private String id; private Map attributes; public String getId() { return id; ...

32. Mapping multiple tables with identical columns to same class    forum.hibernate.org

Hi Hibernate users, this is my first post, so I thought I would introduce myself; my name is Bent Andr Solheim and have been using Hibernate for production development since September. Currently I am working on a project with multiple tables with identical columns (same kinds of data, different languages). I'm looking for a way to use the same class for ...

33. one-to-one mapping on multiple columns in hibernate 3    forum.hibernate.org

Hibernate version: Hibernate 3.0 Hi, i am trying to join 2 tables with an outer join. i need all transactions for given criteria from table1, but values in table2 are optional (object for table2 can be null) there are multiple columns in which i am trying to join. they can be defined as a primary key for table2, but they are ...

34. virtual column mapping    forum.hibernate.org

Before I purchase a commercial support, I need to know if creating such a thing is possible. create a mapping to virtual column for example: I want class AA mapped to table A to have a field 'aa' with no column in that table (A) and this field will be my user type that writes to another table (B), i.e. when ...

35. mapping an additional non-key column for many-to-many table    forum.hibernate.org

I have a many to many relationship between groups and users that I have mapped as shown at the bottom of this post. I now would like to add an additional column to the user_group database, which would need to be reflected in the set element that I use in both group and user hibernate-mappings to keep track of their many-to-many ...

36. Map fixed length CHAR columns ?    forum.hibernate.org

37. Folding child table into master table column_    forum.hibernate.org

I have done the above trick a number of times previously to get performance enhancements when queries on the child table are unlikely. Say for example that I have a table for rule configurations and the child table (or the idea that I need a child table) for parameters for these rules. What I'd do if I did it by hand ...

38. Many to Many:Assoc. Table extra columns:Exotic Mapping    forum.hibernate.org

Page 1 of 1 [ 2 posts ] Previous topic | Next topic Author Message rtarar Post subject: Many to Many:Assoc. Table extra columns:Exotic Mapping Posted: Tue Jun 07, 2005 11:10 am Newbie Joined: Thu May 26, 2005 1:04 pm Posts: 13 I have a many to many between two tables ...

39. join at mapping level on non-key columns    forum.hibernate.org

Hi, I have two tables that I would like to join at the mapping level by non-PK columns. Can this be done? Basically I have table A with a column (region) and table B with a column (region). I want to join them in table A's mapped hbm so I can reference properties in table B. I have read the documentation ...

40. Mapping columns! Urgent!!!    forum.hibernate.org

Hello there, I am new to hibernate. I have two table A & B. Table A (C1_id, C2_id, A3); Table B (C1_id, C2_id, C3_id, B4, B5); With C1_id, C2_id, C3_id are primary columns. I used composite-id for column C1_id & C2_id of table A. What am I supposed to do for mapping table B to A? Anyone please help. Thank you ...

41. how to do mapping, where I just want a few columns    forum.hibernate.org

Try to create a component of the fields you wish to display. Now you can always get the list of the component object which would only contain the fields that your require. Usually components are used in a context where you have a too many columns. But looks like I would have applied for this perpous too.

42. How to map a collection to one column (e.g. comma separated)    forum.hibernate.org

I am using Hibernate 2 with JBoss. My class Report has got a member "arguments" which is a map of possible report arguments. Currently it is represented in the DB as a VARCHAR column e.g.: "name(STRING) code(STRING)" - this represents 2 arguments both with a type string. I would like to create the same mapping in hibernate, that is when the ...

43. Multiple columns mapping to same table naming convention    forum.hibernate.org

I have 2 tables T1 : col1 , col2 , col3 T2 : col4 , col5 , col6 col2 and col3 from table T1 maps to col5 in table T2... when I am using hibernate tools to generate the mapped columns in T1 look like T1{ String col1; T2 t2; --> col2 mapping T2 t2_1; -->col3 mapping }.. and the getter ...

44. Hibernate is not mapping a column correctly.    forum.hibernate.org

Author Message nshupe Post subject: Hibernate is not mapping a column correctly. Posted: Wed Nov 23, 2005 1:29 pm Newbie Joined: Wed Nov 23, 2005 1:09 pm Posts: 6 I have the following problem. I have a class called AttachmentExtension which is used to give information about file extensions that are valid or not for file uploads. The property ...

45. Mapping with column used more then once    forum.hibernate.org

Hibernate version: 3.1 Mapping documents: important part Code: ...

46. Mapping a column more than once    forum.hibernate.org

Hibernate version: 3.1.2 The Hibernate on-line reference says: Quote: update, insert (optional - defaults to true) : specifies that the mapped columns should be included in SQL UPDATE and/or INSERT statements. Setting both to false allows a pure "derived" property whose value is initialized from some other property that maps to the same colum(s) or by a trigger or other application. ...

47. How to Use Column that is NOT Mapped in Query?    forum.hibernate.org

48. Mapping two tables to one column    forum.hibernate.org

I have three tables, gateway, company, and affiliate. Both company and affiliate map to the same column in gateway. I use a column 'type' in the gateway table to figure out if it is a company or affiliate row. Typically I will only want to update the company or affiliate table and not the gateway since the information in gateway will ...

49. mapping a not existing table/column    forum.hibernate.org

hi. i've got a mapped entity. let's call it "person". a person has pets. now, i want to load the number of pets into a member of my person class, but i don't want to store the value in a column. i have a simple statement which retrieves all person attributes, and the number of pets. how do i make hibernate ...

50. many-to-one column mapping    forum.hibernate.org

I have two tables 1. Supplier 2. Products. CREATE TABLE supplier ( supplier_id numeric(10) not null, supplier_name varchar2(50) not null, contact_name varchar2(50), CONSTRAINT supplier_pk PRIMARY KEY (supplier_id, supplier_name) ); CREATE TABLE products ( product_id numeric(10) not null, supplier_id numeric(10) not null, supplier_name varchar2(50) not null, CONSTRAINT fk_supplier_comp FOREIGN KEY (supplier_id, supplier_name) REFERENCES supplier(supplier_id, supplier_name) ); Supplier Data ============ Supplier_ID | supplier_name ...

51. How to map columns on another table ?    forum.hibernate.org

52. many to many mapping table with exra columns    forum.hibernate.org

as we know Person_Event table is join table for many-to-many mapping it has only 2 columns Person_Id, Event_Id. But Our project needs extra columns on a join table for many to many mapping , say the columns UPDATE_USER, UPDATE_TIME, (i.e when the row created, who created) info how to make it any help would be really appreciated

53. Multiple mapping with a single column    forum.hibernate.org

Hi Hbm Users, Thanks for your reply Pramod. But still i'm in problem. I've even tested yr way. . . . My relationship is like the above - ...

54. Mapping: How to join 2 tables on multiple columns?    forum.hibernate.org

Hibernate version: 3.2.3 Mapping documents: Name and version of the database you are using: Oracle 9i I would like to join a table called alarm with another table ...

55. mapping columns    forum.hibernate.org

Hi, I'm working on mapping an existing legacy database which has tables spread across multiple schemas. Basically the problem is i want to create a mapping from one table in Schema A to another table in Schema B. But the columns to be mapped are not constrained to each other in any way (FK/PK) and are not the PK of either ...

56. Computed Column Mapping    forum.hibernate.org

Hi, I am trying to map a property to a computed column. The column is computed on the DB. I have tried setting both update/insert to false, but I get a "cannot be used in an IF UPDATE clause because it is a computed column." error after updating the entiy. I am assuming because the DB updates the value but hibernate ...

57. How to one-to-one mapping with two column as key    forum.hibernate.org

Good evening, Here is my problem. I need to relate two tables using two column. Table A id domain extension status flag Table B id domain extension userid I'm working on an existing database , where i dont have the privilege to modify the schema of the database. Dont even complain why the schema is created this way, cause we (me ...

58. One-to-one mapping with a specified column    forum.hibernate.org

Hey, I'm trying to map a one-to-one relationship from a table I'm creating to a table that currently exists; the default behavior for a one-to-one relationship is just to have the two entities have the same id value; this is not an option for me. I want to create a one-to-one relationship in which hibernate maps the relation with an additional ...

59. Automatic join mapping of a single column    forum.hibernate.org

Hello! I'm currently experiencing some performance related issues with my Hibernate webapp. Background: I have several entities in the database that needs to be translated upon request depending on which "store" the user is in. My currect, really stupid, solution works almost like this: Code: class Item { List stores; //ManyToMany Mapped relationship to the Store table ...

60. How to map columns in many-many join table    forum.hibernate.org

61. How to map an EnumMap on multiple columns    forum.hibernate.org

62. Mapping one column to different classes (no tables)    forum.hibernate.org

I have the following issue that I don't know how to map: Class R, that contains a list of objects of type P (R maps to a table in the database) Class P, with a many to one relationship to R and an object of type A (P maps to a table in the database) Class A is a abstract class ...

63. Mapping Non Key Columns    forum.hibernate.org

64. Mapping single column to multiple tables    forum.hibernate.org

65. Many-to-many with mapping table having additional columns    forum.hibernate.org

I am trying to get a many to many relationship working, but am getting an error to do with the additional columns in the mapping table. The error is: Foreign key (FKAB2F951E28DE5539:actors [actorid])) must have same number of columns as the referenced primary key (actors [movieid,actorid]) I have three db tables as follows (note I am using an existing database, so ...

66. Creating a mapping with dual columns referencing same table    forum.hibernate.org

@OneToMany(cascade={CascadeType.ALL}, fetch = FetchType.LAZY, mappedBy="targetUser") public List getJoinConnections() { return joinConnections; } @OneToMany(cascade={CascadeType.ALL}, fetch = FetchType.LAZY, mappedBy="initiatingUser") public List getMyConnections() { ...

67. Multiple set mappings but one key column    forum.hibernate.org

Hibernate version: 3.2.2 Mapping documents: The following is a rough example of the mapping:

68. Mapping columns to a Map    forum.hibernate.org

Hello, I'm trying to do this with Hibernate but I don't know how. I have a table like this: Code: REPARTO ( ID_ARTICLE BIGINT, SIZE1 VARCHAR, REP1 INTEGER, SIZE2 ...

69. Mapped Table column information    forum.hibernate.org

I am trying to get table column names corresponding to persistent object class properties from a hibernate interceptor class. I have looked at ClassMetaData which provides property Name information but does not provide table schema information. Also looked at org.hibernate.mapping.PersistentClass javadocs, but it is not clear how to get the column names. Thanks

70. Many to one mapping to multiple classes using same column    forum.hibernate.org

Hello Everyone, I have a new problem now. I have three tables Test1, Test2 and Test3 This is how it looks like Test1 ID - PK Version EmpID Name Test2 ID - PK Version SomeOtherData ManagerOf WorkerOf Test3 ID - PK Version EmpID Name This is a sample table created to test a situation we have in the existing data model ...

71. Mapping for multiple indices on the same column    forum.hibernate.org

Hi All, In my existing schema I have a table columns which is included in two indices. How can I map that in .hbm.xml file. I know that for a composite index of two columns we can specify the same index name in for both the columns. I have a situation where there is another index on one ...

72. Mapping Map with Multiple Key Columns Not Working    forum.hibernate.org

Im trying to retrieve instructions based on instruction_type and purpose_type which are two columns on the company_insurance_memo table. Based on these two data points, the instructions for that are retrieved. Here is code snippet. Code: @MapKey(columns = { @Column(name = "instruction_type"), @Column(name = "purpose_type") }) @OneToMany(fetch ...

73. Mapping multiple objects from a single column    forum.hibernate.org

74. Hibernate Mapping for JOIN on column other than primarykey    forum.hibernate.org

Hibernate version: 3 I new to Hibernate. I have a table - CREATE TABLE `frac_fshell_srv`.`frac75_organization_domain_geography_association` ( `ODGA_ID` char(7) NOT NULL, `ODGA_ORG_ID` char(7) NOT NULL, `ODGA_DM_ID` char(7) NOT NULL, `ODGA_GM_ID` char(7) NOT NULL, `ODGA_Created_By` char(7) NOT NULL, `ODGA_Created_DateTime` datetime NOT NULL, `ODGA_LastModified_By` char(7) NOT NULL, `ODGA_LastModified_Datetime` datetime NOT NULL, `ODGA_Archive_State` int(10) unsigned NOT NULL, PRIMARY KEY (`ODGA_ID`), KEY `FK_frac75_organization_domain_geography_association_ODGA_DM_ID` (`ODGA_DM_ID`), KEY `FK_frac75_organization_domain_geography_association_ODGA_GM_ID` ...

75. Broken column mapping    forum.hibernate.org

I've seen this issue a few times on the board but nothing like what I am experiencing, any help please? Mapping documents: Code: The main class holding a layer object (further layers held inside this layer ...

76. Mapping a Column twice    forum.hibernate.org

Hi! We are trying to Map a Column (attributeId) one time as a String (just the ID) and one time as an Entity (Attribute) from the Attributes Table. We realize that this is completely redundant, but unfortunately the people who originally constructed the mapping made a mistake and leaving out the String ID Property would mean a lot of restructuring in ...

77. How to map a table with 15 qty columns to a one to many rel?    forum.hibernate.org

Hello all, I'm trying to map a legacy database, a very bad designed one by the way, to classes. What I want to do is map the database to classes, but I don't want to make the classes as wrong as the database and I'm wondering if it's possible to do what I describe bellow. I've a Stock table which has ...

78. Map two columns with the Single class    forum.hibernate.org

Hi, I want to map two columns (createdBy and modifiedBy - both the columns are foreign keys in PersonalDetails table and referenced with "userID" in 'User' table ) with the class "User" (PK: userID). Foreign Keys: CONSTRAINT FOREIGN KEY (`CreatedBy`) REFERENCES `User` (`UserID`), CONSTRAINT FOREIGN KEY (`ModifiedBy`) REFERENCES `User` (`UserID`), I have written a many-to-one relation to map both the fields. ...