RelAlgVisitor< T > Class Template Reference

#include <RelAlgVisitor.h>

Public Member Functions
T	visit (const RelAlgNode *rel_alg) const
virtual T	visitAggregate (const RelAggregate *) const
virtual T	visitCompound (const RelCompound *) const
virtual T	visitFilter (const RelFilter *) const
virtual T	visitJoin (const RelJoin *) const
virtual T	visitLeftDeepInnerJoin (const RelLeftDeepInnerJoin *) const
virtual T	visitProject (const RelProject *) const
virtual T	visitScan (const RelScan *) const
virtual T	visitSort (const RelSort *) const
virtual T	visitLogicalValues (const RelLogicalValues *) const
virtual T	visitModify (const RelModify *) const
virtual T	visitTableFunction (const RelTableFunction *) const
virtual T	visitLogicalUnion (const RelLogicalUnion *) const

Protected Member Functions
virtual T	aggregateResult (const T &aggregate, const T &next_result) const
virtual T	defaultResult () const

Detailed Description

template<class T>
class RelAlgVisitor< T >

Definition at line 23 of file RelAlgVisitor.h.

Member Function Documentation

template<class T>

virtual T RelAlgVisitor< T >::aggregateResult ( const T &  aggregate, const T &  next_result  ) const

inlineprotectedvirtual

Reimplemented in RelLeftDeepTreeIdsCollector.

Definition at line 110 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

                                                                            {
    return next_result;
  }

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template<class T>

virtual T RelAlgVisitor< T >::defaultResult ( ) const

inlineprotectedvirtual

Definition at line 114 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit(), RelAlgVisitor< std::vector< unsigned > >::visitAggregate(), RelAlgVisitor< std::vector< unsigned > >::visitCompound(), RelAlgVisitor< std::vector< unsigned > >::visitFilter(), RelAlgVisitor< std::vector< unsigned > >::visitJoin(), RelAlgVisitor< std::vector< unsigned > >::visitLeftDeepInnerJoin(), RelAlgVisitor< std::vector< unsigned > >::visitLogicalUnion(), RelAlgVisitor< std::vector< unsigned > >::visitLogicalValues(), RelAlgVisitor< std::vector< unsigned > >::visitModify(), RelAlgVisitor< std::vector< unsigned > >::visitProject(), RelAlgVisitor< std::vector< unsigned > >::visitScan(), RelAlgVisitor< std::vector< unsigned > >::visitSort(), and RelAlgVisitor< std::vector< unsigned > >::visitTableFunction().

{ return T{}; }

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template<class T>

T RelAlgVisitor< T >::visit ( const RelAlgNode *  rel_alg ) const

inline

Definition at line 25 of file RelAlgVisitor.h.

Referenced by RelAlgExecutor::getJoinInfo(), RelAlgVisitor< std::vector< unsigned > >::visit(), and anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RexPhysicalInputsVisitor::visitSubQuery().

                                           {
    auto result = defaultResult();
    for (size_t i = 0; i < rel_alg->inputCount(); ++i) {
      result = aggregateResult(result, visit(rel_alg->getInput(i)));
    }
    const auto aggregate = dynamic_cast<const RelAggregate*>(rel_alg);
    if (aggregate) {
      return aggregateResult(result, visitAggregate(aggregate));
    }
    const auto compound = dynamic_cast<const RelCompound*>(rel_alg);
    if (compound) {
      return aggregateResult(result, visitCompound(compound));
    }
    const auto filter = dynamic_cast<const RelFilter*>(rel_alg);
    if (filter) {
      return aggregateResult(result, visitFilter(filter));
    }
    const auto join = dynamic_cast<const RelJoin*>(rel_alg);
    if (join) {
      return aggregateResult(result, visitJoin(join));
    }
    const auto left_deep_inner_join = dynamic_cast<const RelLeftDeepInnerJoin*>(rel_alg);
    if (left_deep_inner_join) {
      return aggregateResult(result, visitLeftDeepInnerJoin(left_deep_inner_join));
    }
    const auto project = dynamic_cast<const RelProject*>(rel_alg);
    if (project) {
      return aggregateResult(result, visitProject(project));
    }
    const auto scan = dynamic_cast<const RelScan*>(rel_alg);
    if (scan) {
      return aggregateResult(result, visitScan(scan));
    }
    const auto sort = dynamic_cast<const RelSort*>(rel_alg);
    if (sort) {
      return aggregateResult(result, visitSort(sort));
    }
    const auto logical_values = dynamic_cast<const RelLogicalValues*>(rel_alg);
    if (logical_values) {
      return aggregateResult(result, visitLogicalValues(logical_values));
    }
    const auto modify = dynamic_cast<const RelModify*>(rel_alg);
    if (modify) {
      return aggregateResult(result, visitModify(modify));
    }
    const auto table_func = dynamic_cast<const RelTableFunction*>(rel_alg);
    if (table_func) {
      return aggregateResult(result, visitTableFunction(table_func));
    }
    const auto logical_union = dynamic_cast<const RelLogicalUnion*>(rel_alg);
    if (logical_union) {
      return aggregateResult(result, visitLogicalUnion(logical_union));
    }
    LOG(FATAL) << "Unhandled rel_alg type: "
               << rel_alg->toString(RelRexToStringConfig::defaults());
    return {};
  }

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template<class T>

virtual T RelAlgVisitor< T >::visitAggregate ( const RelAggregate *  ) const

inlinevirtual

Definition at line 83 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitCompound ( const RelCompound *  ) const

inlinevirtual

Reimplemented in anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor.

Definition at line 85 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitFilter ( const RelFilter *  ) const

inlinevirtual

Reimplemented in anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor.

Definition at line 87 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitJoin ( const RelJoin *  ) const

inlinevirtual

Reimplemented in anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor.

Definition at line 89 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitLeftDeepInnerJoin ( const RelLeftDeepInnerJoin *  ) const

inlinevirtual

Reimplemented in RelLeftDeepTreeIdsCollector, and anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor.

Definition at line 91 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

                                                                      {
    return defaultResult();
  }

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template<class T>

virtual T RelAlgVisitor< T >::visitLogicalUnion ( const RelLogicalUnion *  ) const

inlinevirtual

Definition at line 107 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitLogicalValues ( const RelLogicalValues *  ) const

inlinevirtual

Definition at line 101 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitModify ( const RelModify *  ) const

inlinevirtual

Definition at line 103 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitProject ( const RelProject *  ) const

inlinevirtual

Reimplemented in anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor.

Definition at line 95 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitScan ( const RelScan *  ) const

inlinevirtual

Definition at line 97 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitSort ( const RelSort *  ) const

inlinevirtual

Reimplemented in anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor.

Definition at line 99 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T RelAlgVisitor< T >::visitTableFunction ( const RelTableFunction *  ) const

inlinevirtual

Definition at line 105 of file RelAlgVisitor.h.

Referenced by RelAlgVisitor< std::vector< unsigned > >::visit().

{ return defaultResult(); }

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

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/RelAlgVisitor.h