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https://issues.apache.org/jira/browse/IGNITE-6738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249332#comment-16249332
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Vladimir Ozerov commented on IGNITE-6738:
-----------------------------------------

[~gvvinblade], I looked at the version. IMO we should remove caching for now. 
First, we already have several caches for prepared statements in different 
places, and having another cache looks weird. Second, this is a leak, as cache 
is tied to a thread, and user application may have multiple threads. We already 
had problems with it earlier. Last, it doesn't take schema changes in count and 
doesn't invalidate anything as we do for other caches. 

Let's file a separate ticket for caching and assign it the second 
implementation phase [1].

[1] https://issues.apache.org/jira/browse/IGNITE-6875

> Support mvcc filter for local sql queries
> -----------------------------------------
>
>                 Key: IGNITE-6738
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6738
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>            Reporter: Semen Boikov
>            Assignee: Igor Seliverstov
>             Fix For: 2.4
>
>
> Need receive/release mvcc version for queries with setLocal flag set, there 
> are already some tests in CacheMvccSqlQueriesTest.



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