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https://issues.apache.org/jira/browse/CAY-2554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikita Timofeev updated CAY-2554:
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Fix Version/s: (was: 4.2.M1)
4.2.M2
> Redesign dbRelationship's and join's structure
> ----------------------------------------------
>
> Key: CAY-2554
> URL: https://issues.apache.org/jira/browse/CAY-2554
> Project: Cayenne
> Issue Type: Task
> Components: Core Library
> Affects Versions: 4.2.M1
> Reporter: Arseni Bulatski
> Assignee: Arseni Bulatski
> Priority: Major
> Fix For: 4.2.M2
>
>
> Need to redesign DbRelationship and DbJoin in order to represent relation
> between entities.
> DbJoin will hold relationship's condition(usual join with pairs of attributes
> or expression join) and two dbRelationships, one at a time for each entities.
> This change will better represent relation from database view and will help
> to implement some new features.
> Structure:
> DbJoin
> * DbJoinCondition
> * DbRelationship[]
> Condition for pairs of attributes:
> ColumnPairsCondition
> * List<ColumnPair>
> or ExpressionCondition(in future)
> * Expression
>
>
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