[teiid-issues] [JBoss JIRA] (TEIID-2086) Local result set cache is not transactionally consistent

[Ramesh Reddy (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719183#comment-12719183 ] 

Ramesh Reddy commented on TEIID-2086:
-------------------------------------

I guess in that case they should have had service extension available at Cache level not CacheContainer. This definitely improper usage of cache. 
                
> Local result set cache is not transactionally consistent
> --------------------------------------------------------
>
>                 Key: TEIID-2086
>                 URL: https://issues.jboss.org/browse/TEIID-2086
>             Project: Teiid
>          Issue Type: Quality Risk
>          Components: Query Engine
>    Affects Versions: 7.0
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 8.2
>
>         Attachments: txn_cache.patch
>
>
> Local result set cache entries are stored in a DefaultCache instance, which has no notion of on-going transactions.  This makes session or less deterministic entries read uncommitted and possibly invalid if populated during a roll-back scenario.
> We should either add transaction aware logic or switch the local cache to a memory based infinispan instance.

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