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https://issues.apache.org/jira/browse/CAY-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071588#comment-13071588
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Dzmitry Kazimirchyk commented on CAY-1469:
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Just committed fix for this to both trunk and 3.0 branches. It seems like it
works fine for me. If nobody has any objections about the fix I may close this
Jira.
> Modeler: dbRelationships renaming problem
> -----------------------------------------
>
> Key: CAY-1469
> URL: https://issues.apache.org/jira/browse/CAY-1469
> Project: Cayenne
> Issue Type: Bug
> Components: Modeler
> Reporter: Ksenia Khailenko
> Priority: Minor
>
> While the renaming of db relationships leaves the corresponding obj
> relationships without renaming and this may be not user-friendly, but doesn't
> cause the error, there exist the problem with flattened obj attributes. For
> example, let there is a dbEntity "DbEntity" with db relationship "rel" and
> some attribute, which dbpath goes through this relation:
> attr_db_path="rel.some_property". So, when I change name of relationship
> from "rel" to "anotherRel", the table of object attributes is redrawn
> incorrectly(empty cells), and on attempt to save there fails an error:
> org.apache.cayenne.exp.ExpressionException: [v.3.0-SNAPSHOT Jul 28 2010
> 10:27:31] Can't resolve path component: [DbEntity.rel].
> at org.apache.cayenne.map.Entity$PathIterator.next(Entity.java:439)
> at org.apache.cayenne.map.Entity$PathIterator.next(Entity.java:1)
> at
> org.apache.cayenne.map.ObjAttribute.getDbAttribute(ObjAttribute.java:170)
> at
> org.apache.cayenne.project.validator.ObjAttributeValidator.validateObject(ObjAttributeValidator.java:128)
> at
> org.apache.cayenne.project.validator.TreeNodeValidator.validate(TreeNodeValidator.java:133)
> at
> org.apache.cayenne.project.validator.Validator.validate(Validator.java:162)
> at
> org.apache.cayenne.project.validator.Validator.validate(Validator.java:148)
> at
> org.apache.cayenne.modeler.action.SaveAsAction.performAction(SaveAsAction.java:127)
> at
> org.apache.cayenne.modeler.action.SaveAsAction.performAction(SaveAsAction.java:122)
> at
> org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:163)
> at
> javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
> ............................
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