SortField Class Reference

#include <RelAlgDag.h>

Public Member Functions
	SortField (const size_t field, const SortDirection sort_dir, const NullSortedPosition nulls_pos)
bool	operator== (const SortField &that) const
size_t	getField () const
SortDirection	getSortDir () const
NullSortedPosition	getNullsPosition () const
std::string	toString () const
virtual size_t	toHash () const

Private Attributes
size_t	field_
SortDirection	sort_dir_
NullSortedPosition	nulls_pos_

Friends
std::size_t	hash_value (SortField const &)

Detailed Description

Definition at line 535 of file RelAlgDag.h.

Constructor & Destructor Documentation

SortField::SortField ( const size_t  field, const SortDirection  sort_dir, const NullSortedPosition  nulls_pos  )

inline

Definition at line 537 of file RelAlgDag.h.

      : field_(field), sort_dir_(sort_dir), nulls_pos_(nulls_pos) {}

Member Function Documentation

size_t SortField::getField ( ) const

inline

Definition at line 547 of file RelAlgDag.h.

References field_.

Referenced by anonymous_namespace{RelAlgOptimizer.cpp}::renumber_sort_field(), and boost::serialization::save_construct_data().

{ return field_; }

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NullSortedPosition SortField::getNullsPosition ( ) const

inline

Definition at line 551 of file RelAlgDag.h.

References nulls_pos_.

Referenced by anonymous_namespace{RelAlgOptimizer.cpp}::renumber_sort_field(), and boost::serialization::save_construct_data().

{ return nulls_pos_; }

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SortDirection SortField::getSortDir ( ) const

inline

Definition at line 549 of file RelAlgDag.h.

References sort_dir_.

Referenced by anonymous_namespace{RelAlgOptimizer.cpp}::renumber_sort_field(), and boost::serialization::save_construct_data().

{ return sort_dir_; }

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bool SortField::operator== ( const SortField &  that ) const

inline

Definition at line 542 of file RelAlgDag.h.

References field_, nulls_pos_, and sort_dir_.

                                               {
    return field_ == that.field_ && sort_dir_ == that.sort_dir_ &&
           nulls_pos_ == that.nulls_pos_;
  }

virtual size_t SortField::toHash ( ) const

inlinevirtual

Definition at line 564 of file RelAlgDag.h.

References hash_value.

{ return hash_value(*this); }

std::string SortField::toString ( ) const

inline

Definition at line 553 of file RelAlgDag.h.

References Ascending, cat(), field_, First, nulls_pos_, sort_dir_, to_string(), and typeName().

                             {
    return cat(::typeName(this),
               "(",
               std::to_string(field_),
               ", sort_dir=",
               (sort_dir_ == SortDirection::Ascending ? "asc" : "desc"),
               ", null_pos=",
               (nulls_pos_ == NullSortedPosition::First ? "nulls_first" : "nulls_last"),
               ")");
  }

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Friends And Related Function Documentation

std::size_t hash_value ( SortField const &  sort_field )

friend

Definition at line 3614 of file RelAlgDag.cpp.

Referenced by toHash().

                                                  {
  auto hash = boost::hash_value(sort_field.field_);
  boost::hash_combine(hash, sort_field.sort_dir_ == SortDirection::Ascending ? "a" : "d");
  boost::hash_combine(hash,
                      sort_field.nulls_pos_ == NullSortedPosition::First ? "f" : "l");
  return hash;
}

Member Data Documentation

size_t SortField::field_

private

Definition at line 569 of file RelAlgDag.h.

Referenced by getField(), hash_value(), operator==(), and toString().

NullSortedPosition SortField::nulls_pos_

private

Definition at line 571 of file RelAlgDag.h.

Referenced by getNullsPosition(), hash_value(), operator==(), and toString().

SortDirection SortField::sort_dir_

private

Definition at line 570 of file RelAlgDag.h.

Referenced by getSortDir(), hash_value(), operator==(), and toString().

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

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