1. HQL Unique results in ManyToMany query stackoverflow.comI have multi branded application. |
2. Mapping via non-primary unique key forum.hibernate.orgI have a table containing two unique keys - one a primary key (a numeric ID) and one a unique key string which is a name. This table is involved in a one-to-many relationship using it's primary key, but it is also in a many-to-many relationship using this unique key. Is there any way I can map this relationship using the ... |
3. Mapping to non unique id columns forum.hibernate.orgI'd like to map my id to a column which is not unique. After having a look at the code of the load method of the EntityLoader.java I think Hibernate throws an exception if it detects, that there is more than one row returned for a query by id. Is there a way to make Hibernate generating a select distinct, or ... |
4. Mapping unique key question forum.hibernate.orgHibernate version: 2.1.6 Hi folks, I have an object with four attributes (Atribute [type]): id [long] name1 [String] name2 [String] name3 [String] I'd like to create a composite unique key, with the name1,name2,name3 attributes, because the concat of name1,name2 and name3 have to be unique. This is a silly thing to do if I go directly into the database, but I ... |
5. No unique constrain on cascade-all children? forum.hibernate.org |
6. hibernate mapping two column unique forum.hibernate.org |
7. mapping command "unique-key" forum.hibernate.orgCan you give me more info on mapping command "unique-key" for autogenerate database? In books about hibernate i found not material about it.. My problem follows: this are to table i have to map, but i prefer use hibernate autogenerate table. CREATE TABLE `attributes` ( `Name` varchar(50) NOT NULL default '', `Type` smallint(6) NOT NULL default '1', `Column_` varchar(50) NOT NULL ... |
8. many-to-one mapping with unique key forum.hibernate.orgI have two tables: PART ----------------------------------------------------- PART_KEY - INT (PK) PART_NUMBER - VARCHAR(100) VENDOR_NUM - VARCHAR(100) and BOM_PART -------------------------------------------------------- BOM_KEY - INT (PK) VENDOR_NUM - VARCHAR(100) VALUE - VARCHAR(100) PK = Primary Key I am using Hibernate2 and want to create a mapping of many-to-one in BomPart.hbm.xml such that I will have the Part matching the vendor_num of the BomPart. How ... |
9. Hibernate mapping more than one unique-key for same column forum.hibernate.orgHow do I define hibernate mapping if I have more then one unique-key for the same field ie if I want to generate DDL with two unique constrain For eg. I have unique constrain for type and key2 fields defined by unique-key="key2type". If I also want to define unique constrain for type and key1 field how do I write it. I ... |
10. How to specify UNIQUE key in hibernate mappings forum.hibernate.orgIn a Person class, i have id property for natural id which is primary key. Then i have two more fields, subject and year. How to specify both of them as UNIQUE key. So in database, combination of (subject, year) should be unique and id is the primary key. class Person{ private Long id; private String subject; private int year; } ... |
11. detect unique members in a mapped class forum.hibernate.orgI spent a little time looking into this myself as I am looking for information about foreign keys (practically the same problem)... I attacked this from the Configuration side and couldn't find anything either. There is an object "Constraint" from the API and the only references I found to it are UniqueKey, ForeignKey, and PrimaryKey. From what I can tell, these ... |