Atri Sharma created CALCITE-1888:
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Summary: VolcanoPlanner should identify if transformed node and
original node are identical
Key: CALCITE-1888
URL: https://issues.apache.org/jira/browse/CALCITE-1888
Project: Calcite
Issue Type: Improvement
Reporter: Atri Sharma
Assignee: Julian Hyde
VolcanoPlanner should identify that the transformed node and the original node
are identical, hence should not fire the same rule again. This would help avoid
corner cases where VolcanoPlanner gets stuck in an infinite loop
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