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https://issues.apache.org/jira/browse/CALCITE-1076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131796#comment-15131796
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Ted Xu commented on CALCITE-1076:
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[~julianhyde] thanks for looking into this.
{{RelDistribute}} can be a pluggable metadata, however, it is used in Logical
RelNodes like {{LogicalFilter}}, which is deeply coupled with multiple rules
and utilities. It is highly recommended that we fix this bug in calcite-core.
> 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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