Arseni Bulatski created CAY-2488:
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Summary: Problem with not to PK relationships
Key: CAY-2488
URL: https://issues.apache.org/jira/browse/CAY-2488
Project: Cayenne
Issue Type: Bug
Components: Core Library
Reporter: Arseni Bulatski
Fix For: 4.2.M1
Problem with not to PK relationships was found.
* create relationship with join not to PK (target or source attribute isn't
PK) in modeler
* create entities
* create relationship between entities
* commit changes
In database objects will be created, but relationship won't be created. So you
can't be able to get joined objects.
This happens because in you can't create arcDiff.
Look DataDomainDBDiffBuilder
if (!relationship.isToMany() && relationship.isToPK()) {
doArcCreated(targetNodeId, arcId);
}
In current logic you can get only PK attribute value from ObjectId.
First step is to add validation of this case to prevent user to create this
kind of relationship.
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