1. Hibernate @ManyToMany mapping with composite keys stackoverflow.comI'm trying to map a ManyToMany relationships between 2 tables, both having composite primary keys
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2. ManyToMany in Hibernate without composite keys stackoverflow.comI am dealing with legacy database. And I am writing unit test using pojos & hibernate & HSQLDB. And I am getting the following error: 17:09:03,946 ERROR SchemaExport:349 - Attempt to define ... |
3. @ManyToMany of two entities with composite keys that share a field stackoverflow.comTwo entities:
Three tables:
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4. JPA auto_increment id for generated @ManyToMany join table stackoverflow.comIf I have a bidirectional @ManyToMany relationship between two entities (ie |
5. ManyToMany with Composite Key forum.hibernate.orgHi, I'm trying to map a unidirectional many-to-many association. I want to retrieve Items from Category object. It works ok if the composite key in linking table forms out of Category PK and Item PK. However, if the linking table only has partial key from Category and pk from Item, then I gets the following error: A Foreign key refering Category ... |
6. Multiple ManyToMany-relationships. Composite key in join tab forum.hibernate.orgHi, it seems that I try something that anyone tried before. At least Google shows that there were nobody trying this ;) I have an entity with three many-to-may-relationships. The join tables only contain the ids of the two joined tables. Code: COMPONENT { COMPONENT_ID(number), ... } LANGUAGE { ... |