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https://issues.apache.org/jira/browse/CALCITE-2127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-2127.
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Resolution: Fixed
Fix Version/s: 1.16.0
Fixed in
[7b85d445|http://git-wip-us.apache.org/repos/asf/calcite/commit/7b85d445].
> In Interpreter, allow a node to have more than one consumer
> -----------------------------------------------------------
>
> Key: CALCITE-2127
> URL: https://issues.apache.org/jira/browse/CALCITE-2127
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Fix For: 1.16.0
>
>
> In Interpreter, allow a node to have more than one consumer. In other words,
> the graph may be a DAG not just a tree.
> If a node has more than one consumer, its Sink is a DuplicatingSink that
> writes to multiple consumers. Each has an independent ArrayDeque.
> This change will only be exercised when CALCITE-2116 is fixed, and the
> planner starts producing DAG plans.
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