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https://issues.apache.org/jira/browse/CALCITE-3480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-3480:
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Labels: pull-request-available (was: )
> Special treatment for unordered child policy when trying to match a rule
> ------------------------------------------------------------------------
>
> Key: CALCITE-3480
> URL: https://issues.apache.org/jira/browse/CALCITE-3480
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Liya Fan
> Priority: Major
> Labels: pull-request-available
>
> In VolcanoRuleCall#matchRecurse, when a node's parents are found, it is
> necessary to check the child is in the right position (ordinal) of the
> parent's child list.
> However, when the child policy is UNORDERED, the constraint should be
> relaxed, as the child can be in any position of the parent's child list.
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