[teiid-issues] [JBoss JIRA] Commented: (TEIID-1599) Event based cache invalidation

[Steven Hawkins (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-1599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12603580#comment-12603580 ] 

Steven Hawkins commented on TEIID-1599:
---------------------------------------

See TEIID-1507 and the updated release notes, caching, and developer's guide.  7.4 supports cache invalidation based upon update events, and results are tracked at a table level.  So from you're example a data modification to A can invalidate the first and third cached results.  There is also an EventDistributor bean that can be looked up to manually notify the engine of data updates.

> Event based cache invalidation
> ------------------------------
>
>                 Key: TEIID-1599
>                 URL: https://issues.jboss.org/browse/TEIID-1599
>             Project: Teiid
>          Issue Type: Feature Request
>            Reporter: Mark Addleman
>            Assignee: Steven Hawkins
>            Priority: Minor
>
> In addition to invalidating cached results by time, I'd like the ability to invalidate cache based on an event.  I think this is the moral equivalent of the existing functionality to reset a materialized view.  I would like to scope the invalidation to particular tables or sets of tables.  For example, suppose I cached the results of the following statements:
>    SELECT * FROM A
>    SELECT * FROM B
>    SELECT * FROM A,B
> A call to invalidate A would invalidate the cached result sets from the first and third statements.

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