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
size_t	toHash () const

Private Attributes
const size_t	field_
const SortDirection	sort_dir_
const NullSortedPosition	nulls_pos_

Detailed Description

Definition at line 484 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 486 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 496 of file RelAlgDag.h.

References field_.

Referenced by anonymous_namespace{RelAlgOptimizer.cpp}::renumber_sort_field().

{ return field_; }

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NullSortedPosition SortField::getNullsPosition ( ) const

inline

Definition at line 500 of file RelAlgDag.h.

References nulls_pos_.

Referenced by anonymous_namespace{RelAlgOptimizer.cpp}::renumber_sort_field().

{ return nulls_pos_; }

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SortDirection SortField::getSortDir ( ) const

inline

Definition at line 498 of file RelAlgDag.h.

References sort_dir_.

Referenced by anonymous_namespace{RelAlgOptimizer.cpp}::renumber_sort_field().

{ return sort_dir_; }

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

inline

Definition at line 491 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_;
  }

size_t SortField::toHash ( ) const

inline

Definition at line 513 of file RelAlgDag.h.

References Ascending, field_, First, nulls_pos_, and sort_dir_.

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

std::string SortField::toString ( ) const

inline

Definition at line 502 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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Member Data Documentation

const size_t SortField::field_

private

Definition at line 521 of file RelAlgDag.h.

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

const NullSortedPosition SortField::nulls_pos_

private

Definition at line 523 of file RelAlgDag.h.

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

const SortDirection SortField::sort_dir_

private

Definition at line 522 of file RelAlgDag.h.

Referenced by getSortDir(), operator==(), toHash(), 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