impala::RowBatchList::TupleRowIterator Class Reference

A simple iterator used to scan over all the rows stored in the list. More...

#include <row-batch-list.h>

Collaboration diagram for impala::RowBatchList::TupleRowIterator:

Public Member Functions
	TupleRowIterator ()
	Dummy constructor. More...
bool	AtEnd ()
	Returns true if this iterator is at the end, i.e. GetRow() cannot be called. More...
TupleRow *	GetRow ()
void	Next ()
	Increments the iterator. No-op if the iterator is at the end. More...

Private Member Functions
	TupleRowIterator (RowBatchList *list)

Private Attributes
RowBatchList *	list_
std::vector< RowBatch * >::iterator	batch_it_
int64_t	row_idx_

Friends
class	RowBatchList

Detailed Description

A simple iterator used to scan over all the rows stored in the list.

Definition at line 39 of file row-batch-list.h.

Constructor & Destructor Documentation

impala::RowBatchList::TupleRowIterator::TupleRowIterator ( )

inline

Dummy constructor.

Definition at line 42 of file row-batch-list.h.

impala::RowBatchList::TupleRowIterator::TupleRowIterator ( RowBatchList *  list )

inlineprivate

Definition at line 68 of file row-batch-list.h.

Member Function Documentation

bool impala::RowBatchList::TupleRowIterator::AtEnd ( )

inline

Returns true if this iterator is at the end, i.e. GetRow() cannot be called.

Definition at line 45 of file row-batch-list.h.

References batch_it_, list_, and impala::RowBatchList::row_batches_.

Referenced by impala::RowBatchList::DebugString(), impala::RowBatchListTest::FullScan(), impala::CrossJoinNode::GetNext(), GetRow(), and impala::CrossJoinNode::ProcessLeftChildBatch().

TupleRow* impala::RowBatchList::TupleRowIterator::GetRow ( )

inline

Returns the current row. Callers must check the iterator is not AtEnd() before calling GetRow().

Definition at line 51 of file row-batch-list.h.

References AtEnd(), and row_idx_.

Referenced by impala::RowBatchList::DebugString(), impala::RowBatchListTest::FullScan(), and impala::CrossJoinNode::ProcessLeftChildBatch().

void impala::RowBatchList::TupleRowIterator::Next ( )

inline

Increments the iterator. No-op if the iterator is at the end.

Definition at line 57 of file row-batch-list.h.

References batch_it_, list_, impala::RowBatchList::row_batches_, and row_idx_.

Referenced by impala::RowBatchList::DebugString(), impala::RowBatchListTest::FullScan(), and impala::CrossJoinNode::ProcessLeftChildBatch().

Friends And Related Function Documentation

friend class RowBatchList

friend

Definition at line 66 of file row-batch-list.h.

Member Data Documentation

std::vector<RowBatch*>::iterator impala::RowBatchList::TupleRowIterator::batch_it_

private

Definition at line 75 of file row-batch-list.h.

Referenced by AtEnd(), and Next().

RowBatchList* impala::RowBatchList::TupleRowIterator::list_

private

Definition at line 74 of file row-batch-list.h.

Referenced by AtEnd(), and Next().

int64_t impala::RowBatchList::TupleRowIterator::row_idx_

private

Definition at line 76 of file row-batch-list.h.

Referenced by GetRow(), and Next().

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

• be/src/exec/row-batch-list.h