RexSubQueryIdCollector Class Reference

#include <RexSubQueryIdCollector.h>

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Public Types
using	Ids = std::unordered_set< unsigned >

Static Public Member Functions
static Ids	getLiveRexSubQueryIds (RelAlgNode const *)

Private Member Functions
void	visit (RexSubQuery const *) override

Private Attributes
Ids	ids_

Additional Inherited Members
Public Member Functions inherited from RelRexDagVisitor
virtual	~RelRexDagVisitor ()=default
virtual void	visit (RelAlgNode const *)
virtual void	visit (RexScalar const *)
Protected Member Functions inherited from RelRexDagVisitor
virtual void	visit (RelAggregate const *)
virtual void	visit (RelCompound const *)
virtual void	visit (RelFilter const *)
virtual void	visit (RelJoin const *)
virtual void	visit (RelLeftDeepInnerJoin const *)
virtual void	visit (RelLogicalUnion const *)
virtual void	visit (RelLogicalValues const *)
virtual void	visit (RelModify const *)
virtual void	visit (RelProject const *)
virtual void	visit (RelScan const *)
virtual void	visit (RelSort const *)
virtual void	visit (RelTableFunction const *)
virtual void	visit (RelTranslatedJoin const *)
virtual void	visit (RexAbstractInput const *)
virtual void	visit (RexCase const *)
virtual void	visit (RexFunctionOperator const *)
virtual void	visit (RexInput const *)
virtual void	visit (RexLiteral const *)
virtual void	visit (RexOperator const *)
virtual void	visit (RexRef const *)
virtual void	visit (RexWindowFunctionOperator const *)
void	castAndVisit (RelAlgNode const *)

Detailed Description

Definition at line 30 of file RexSubQueryIdCollector.h.

Member Typedef Documentation

using RexSubQueryIdCollector::Ids = std::unordered_set<unsigned>

Definition at line 34 of file RexSubQueryIdCollector.h.

Member Function Documentation

RexSubQueryIdCollector::Ids RexSubQueryIdCollector::getLiveRexSubQueryIds ( RelAlgNode const *  rel_alg_node )

static

Definition at line 19 of file RexSubQueryIdCollector.cpp.

References ids_, and visit().

Referenced by eliminate_dead_subqueries().

                                    {
  RexSubQueryIdCollector rex_sub_query_id_collector;
  rex_sub_query_id_collector.visit(rel_alg_node);
  return std::move(rex_sub_query_id_collector.ids_);
}

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void RexSubQueryIdCollector::visit ( RexSubQuery const *  rex_sub_query )

overrideprivatevirtual

Reimplemented from RelRexDagVisitor.

Definition at line 26 of file RexSubQueryIdCollector.cpp.

References ids_, and RelRexDagVisitor::visit().

Referenced by getLiveRexSubQueryIds().

                                                                   {
  ids_.insert(rex_sub_query->getId());
  RelRexDagVisitor::visit(rex_sub_query);
}

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Member Data Documentation

Ids RexSubQueryIdCollector::ids_

private

Definition at line 40 of file RexSubQueryIdCollector.h.

Referenced by getLiveRexSubQueryIds(), and visit().

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The documentation for this class was generated from the following files:

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Visitors/RexSubQueryIdCollector.h
• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Visitors/RexSubQueryIdCollector.cpp