[OPENJPA-2066] Edge case in openJPA-1227. openJPA fails to create a join and thus returns wrong data when a collection is selected from superclass and another field is selected from subclass twoor more levels down the hierarchy.

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.1.0, 2.1.1, 2.2.0
• Fix Version/s: 1.2.0, 2.2.0
• Patch Info: Patch Available
• Assignee: Ravi Prakash Palacherla
• Reporter: Ravi Prakash Palacherla
• Created: 26/Oct/11 00:39
• Updated: 21/Sep/16 14:21
• Resolved: 06/Nov/11 15:38

Description

openJPA-1227 fixes the wrong SQL generation error when superclass contains an eager to-many field, and this is the only field selected in the superclass, and when one or more fields are selected in the subclass, openjpa fails to create a join between the subclass and superclass. But the issue still remains when one or more fields are selected from subclasses two levels down the hierarchy.

Example:
GrandChildClass extends ChildChildClass extends ChildClass extends ParentClass.

When I select a filed from GrandChildClass and a to-many field from ParentClass then openjpa fails to create a join between the classes.