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https://issues.apache.org/jira/browse/CALCITE-600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-600:
--------------------------------
    Summary: Use SetOpFactory in rules containing Union operator  (was: Create 
UnionFactory and use in rules containing Union operator)

> Use SetOpFactory in rules containing Union operator
> ---------------------------------------------------
>
>                 Key: CALCITE-600
>                 URL: https://issues.apache.org/jira/browse/CALCITE-600
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>
> Union related rules match on {{LogicalUnion}} and use this implementation to 
> create the new Union operators. As it is done for other rules, a Union 
> factory can be created and used by them, so subclasses that extend Union can 
> use the rules.



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