Liya Fan created CALCITE-3480:
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Summary: 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
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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