Join table in unidirectional one-to-many relationship with Map does not follow
JPA v2 specification
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Key: OPENJPA-2127
URL: https://issues.apache.org/jira/browse/OPENJPA-2127
Project: OpenJPA
Issue Type: Bug
Components: jdbc, jpa
Affects Versions: 2.1.1
Reporter: Maria Jurcovicova
According to JPA v2 specification page 50, the joining table name should be
composed from entity names (e.g. class names) by default. The table should have
two columns.
Table name:
* owner class name
* underscore "_"
* inverse class name.
Name of the column with inverses ids:
* the name of the relationship property or field of the owner
* underscore "_"
* the name of the primary key column in table inverse.
If the annotated property maps data into the map, OpenJPA assumes different
database structure.
OpenJPA table name:
* owner class name <- OK
* underscore "_" <- OK
* the name of the relationship property or field of the owner <- WRONG
OpenJPA column with inverses id name:
* "element_id" <- WRONG
Note: this happens only with map. The default table structure with collection
is different.
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