[teiid-issues] [JBoss JIRA] (TEIID-5285) Add high-level feature for redirection of updates

[Ramesh Reddy (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-5285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13592741#comment-13592741 ] 

Ramesh Reddy commented on TEIID-5285:
-------------------------------------

I wanted to check at least some basic unique, constraint checking checks, as we are trying to represent the source tables. Trying to mimic more than no constraints at all, as that may come as surprise to the user and may leave inconsistent data otherwise. I will correct other issues. I purposefully omitted the "account" view from the example for clarity of text, yes it will be there.

> Add high-level feature for redirection of updates
> -------------------------------------------------
>
>                 Key: TEIID-5285
>                 URL: https://issues.jboss.org/browse/TEIID-5285
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine, Teiid Spring Boot
>            Reporter: Steven Hawkins
>            Assignee: Ramesh Reddy
>             Fix For: 11.x
>
>         Attachments: redirection-vdb.xml
>
>
> In microservices testing it is desirable to test against production/live data but not commit any updates.  We should offer a simple solution that can defined by extension metadata and enabled/disabled by a feature flag.  We may need to make simplifying assumptions about the scope (per session, per application, etc.) and durability of the updates.
> Under the covers this will be achieved by using views, update triggers, and a store for the updates and when not enabled the expectation is that all operations should pass through.  However the application will be limited to using Teiid SQL and will be required to use the Teiid or pg driver, or Teiid spring boot.



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