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RexSubQueryIdCollector.h File Reference

RexSubQueryIdCollector is a visitor class that collects all RexSubQuery::getId() values for all RexSubQuery nodes. This uses sorted arrays of (hash_code, handler) pairs for tree navigation. More...

#include "RelRexDagVisitor.h"
#include <unordered_set>
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Classes

class  RexSubQueryIdCollector
 

Detailed Description

RexSubQueryIdCollector is a visitor class that collects all RexSubQuery::getId() values for all RexSubQuery nodes. This uses sorted arrays of (hash_code, handler) pairs for tree navigation.

Definition in file RexSubQueryIdCollector.h.