[jira] Created: (CAY-1469) Modeler: dbRelationships renaming problem

["Ksenia Khailenko (JIRA)" <ji...@apache.org>]

Modeler: dbRelationships renaming problem
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                 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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