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https://issues.apache.org/jira/browse/CALCITE-2727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732516#comment-16732516
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Julian Hyde commented on CALCITE-2727:
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If there is no easy test, don't sweat it. I agree that the fix is clearly an
improvement.
> MV rewriting bails out incorrectly when a view does not contain any table
> reference
> -----------------------------------------------------------------------------------
>
> Key: CALCITE-2727
> URL: https://issues.apache.org/jira/browse/CALCITE-2727
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Lantao Jin
> Assignee: Julian Hyde
> Priority: Major
>
> When we iterate through all applicable materializations trying to rewrite the
> given query, if there are no table references in a given MV, we bail out from
> the {{onMatch}} method instead of simply skipping the MV.
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