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From "Andrus Adamchik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAY-2013) In-memory evaluation of DB expressions - non-id attributes
Date Fri, 22 May 2015 12:23:17 GMT

     [ https://issues.apache.org/jira/browse/CAY-2013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrus Adamchik updated CAY-2013:
---------------------------------
    Description: This is a minor improvement to Cayenne DB expressions evaluation capabilities.
When evaluating a "db:" expression against a Persistent object, something like "db:id" currently
returns a value of a PK column, but if a DB column name is not a part of the ID (e.g. "db:name"),
it evaluates to NULL. There is a TODO in ASTDbPath to that extent. So let's support evaluation
of path's corresponding to DbAttributes.   (was: This is a minor improvement to Cayenne DB
expressions evaluation capabilities. Something like "db:id" currently already evaluates to
a value of a PK column, but if a DB column name is not a part of the ID (e.g. "db:name"),
it evaluates to NULL. There is a TODO in ASTDbPath to that extent. So let's support evaluation
of path's corresponding to DbAttributes. )

> In-memory evaluation of DB expressions - non-id attributes
> ----------------------------------------------------------
>
>                 Key: CAY-2013
>                 URL: https://issues.apache.org/jira/browse/CAY-2013
>             Project: Cayenne
>          Issue Type: Improvement
>            Reporter: Andrus Adamchik
>            Assignee: Andrus Adamchik
>            Priority: Minor
>             Fix For: 4.0.M3
>
>
> This is a minor improvement to Cayenne DB expressions evaluation capabilities. When evaluating
a "db:" expression against a Persistent object, something like "db:id" currently returns a
value of a PK column, but if a DB column name is not a part of the ID (e.g. "db:name"), it
evaluates to NULL. There is a TODO in ASTDbPath to that extent. So let's support evaluation
of path's corresponding to DbAttributes. 



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