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https://issues.apache.org/jira/browse/DRILL-1273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093707#comment-14093707
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Jacques Nadeau commented on DRILL-1273:
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Actually, this shouldn't be needed. The matches() method already does this
check. When were you experiencing this problem as that should filter out any
other matches?
> In case of multiple storage plugins (with optimization rules), all the
> queries with "where" clause will fail.
> -------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-1273
> URL: https://issues.apache.org/jira/browse/DRILL-1273
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 0.4.0, 0.5.0
> Reporter: B Anil Kumar
> Assignee: DrillCommitter
> Priority: Critical
> Attachments: 0001-DRILL-1273-patch.patch
>
>
> In case of multiple storage plugins with respective optimization rules (like
> predicate push down), optiq optimizer will call onMatch() method on all the
> sub classes of "StoragePluginOptimizerRule".
> In this case, all the queries with "where" clause will fail with
> ClassCastException.
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