duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE > Class Template Reference

Public Member Functions
idx_t	GetDivisor () const
void	RandomAccess (idx_t &block_or_chunk_idx, idx_t &tuple_idx, const idx_t &index) const
void	Add (idx_t &block_or_chunk_idx, idx_t &tuple_idx, const idx_t &value) const
void	Subtract (idx_t &block_or_chunk_idx, idx_t &tuple_idx, const idx_t &value) const
void	Increment (idx_t &block_or_chunk_idx, idx_t &tuple_idx) const
void	Decrement (idx_t &block_or_chunk_idx, idx_t &tuple_idx) const
idx_t	GetIndex (const idx_t &block_or_chunk_idx, const idx_t &tuple_idx) const

Protected Attributes
friend	BLOCK_ITERATOR_STATE
const idx_t	tuple_count

Private Member Functions
	BlockIteratorStateBase (const idx_t tuple_count_p)

Constructor & Destructor Documentation

BlockIteratorStateBase()

template<class BLOCK_ITERATOR_STATE >

duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::BlockIteratorStateBase ( const idx_t  tuple_count_p )

inlineexplicitprivate

                                                               : tuple_count(tuple_count_p) {
    }

Member Function Documentation

GetDivisor()

template<class BLOCK_ITERATOR_STATE >

idx_t duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::GetDivisor ( ) const

inline

                             {
        const auto &state = static_cast<const BLOCK_ITERATOR_STATE &>(*this);
        return state.GetDivisor();
    }

RandomAccess()

template<class BLOCK_ITERATOR_STATE >

void duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::RandomAccess ( idx_t &  block_or_chunk_idx, idx_t &  tuple_idx, const idx_t &  index  ) const

inline

                                                                                             {
        const auto &state = static_cast<const BLOCK_ITERATOR_STATE &>(*this);
        state.RandomAccessInternal(block_or_chunk_idx, tuple_idx, index);
    }

Add()

template<class BLOCK_ITERATOR_STATE >

void duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::Add ( idx_t &  block_or_chunk_idx, idx_t &  tuple_idx, const idx_t &  value  ) const

inline

                                                                                    {
        tuple_idx += value;
        if (tuple_idx >= GetDivisor()) {
            RandomAccess(block_or_chunk_idx, tuple_idx, GetIndex(block_or_chunk_idx, tuple_idx));
        }
    }

Subtract()

template<class BLOCK_ITERATOR_STATE >

void duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::Subtract ( idx_t &  block_or_chunk_idx, idx_t &  tuple_idx, const idx_t &  value  ) const

inline

                                                                                         {
        tuple_idx -= value;
        if (tuple_idx >= GetDivisor()) {
            RandomAccess(block_or_chunk_idx, tuple_idx, GetIndex(block_or_chunk_idx, tuple_idx));
        }
    }

Increment()

template<class BLOCK_ITERATOR_STATE >

void duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::Increment ( idx_t &  block_or_chunk_idx, idx_t &  tuple_idx  ) const

inline

                                                                      {
        const auto crossed_boundary = ++tuple_idx == GetDivisor();
        block_or_chunk_idx += crossed_boundary;
        tuple_idx *= !crossed_boundary;
    }

Decrement()

template<class BLOCK_ITERATOR_STATE >

void duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::Decrement ( idx_t &  block_or_chunk_idx, idx_t &  tuple_idx  ) const

inline

                                                                      {
        const auto crossed_boundary = tuple_idx-- == 0;
        block_or_chunk_idx -= crossed_boundary;
        tuple_idx += crossed_boundary * GetDivisor();
    }

GetIndex()

template<class BLOCK_ITERATOR_STATE >

idx_t duckdb::BlockIteratorStateBase< BLOCK_ITERATOR_STATE >::GetIndex ( const idx_t &  block_or_chunk_idx, const idx_t &  tuple_idx  ) const

inline

                                                                                  {
        return block_or_chunk_idx * GetDivisor() + tuple_idx;
    }

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

• external/duckdb/duckdb.cpp