cayenne-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Arseni Bulatski (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAY-2554) Redesign dbRelationship's and join's structure
Date Wed, 20 Mar 2019 13:45:00 GMT

     [ https://issues.apache.org/jira/browse/CAY-2554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arseni Bulatski updated CAY-2554:
---------------------------------
    Summary: Redesign dbRelationship's and join's structure  (was: Rebuild dbRelationship's
and join's structure)

> 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
>            Priority: Major
>             Fix For: 4.2.M1
>
>
> Need to create 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
>  
>  



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message