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https://issues.apache.org/jira/browse/CALCITE-1076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131682#comment-15131682
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Julian Hyde commented on CALCITE-1076:
--------------------------------------
If you've created your own metadata provider you will need to add an extra
{{RelMetadataQuery mq}} argument to each method, per CALCITE-794. This was
mentioned in the release notes,
http://calcite.apache.org/docs/history.html#v1-6-0.
> Metadata distribution is broken due to last refactor
> ----------------------------------------------------
>
> Key: CALCITE-1076
> URL: https://issues.apache.org/jira/browse/CALCITE-1076
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.7.0
> Reporter: Ted Xu
> Assignee: Julian Hyde
>
> Metadata distribution is broken due to last refactor.
> Calls of RelMdDistribution will get:
> {code}
> java.lang.AssertionError: are your methods named wrong?
> {code}
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