Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
Description
Even RelSubset is a subclass of RelNode, but they are quite different. RelNode already fires these rules, it is not necessary to fire for RelSubset. More importantly, it never worked due to CALCITE-3755.
In addition, it will waste time to try to iterate class operands of RelSubset and try to match pattern operand(RelNode), given that it never matches when ascending.
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