[teiid-issues] [JBoss JIRA] (TEIID-3906) OData v4 - definition of OData-Isolation header is either being ignored or is not implemented corectly

[Steven Hawkins (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-3906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149331#comment-13149331 ] 

Steven Hawkins commented on TEIID-3906:
---------------------------------------

It seems simplest to just return 412 until there is a need to implement this feature.

> OData v4 - definition of OData-Isolation header is either being ignored or is not implemented corectly
> ------------------------------------------------------------------------------------------------------
>
>                 Key: TEIID-3906
>                 URL: https://issues.jboss.org/browse/TEIID-3906
>             Project: Teiid
>          Issue Type: Bug
>          Components: OData
>    Affects Versions: 8.12.3
>         Environment: Teiid - OData v4
>            Reporter: Juraj Duráni
>            Assignee: Steven Hawkins
>
> Teiid does not process header *OData-Isolation: snapshot* defined in request correctly.
> * if service (Teiid) does not support this option it must return error 412
> * if Teiid does supports this option then it is not processed correctly, because modifications made during request are visbile
> See http://docs.oasis-open.org/odata/odata/v4.0/errata02/os/complete/part1-protocol/odata-v4.0-errata02-os-part1-protocol-complete.html#_Toc406398231



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