An interface for RowIterators that have a given row ID, ie., they can be children in ROR (rowid-ordered) scans. More...

Inheritance diagram for RowIDCapableRowIterator:

Public Member Functions
	RowIDCapableRowIterator (THD thd, TABLE table)

virtual uchar *	last_rowid () const =0

Public Member Functions inherited from TableRowIterator
	TableRowIterator (THD thd, TABLE table)

void	UnlockRow () override
	The default implementation of unlock-row method of RowIterator, used in all access methods except EQRefIterator. More...

void	SetNullRowFlag (bool is_null_row) override
	Mark the current row buffer as containing a NULL row or not, so that if you read from it and the flag is true, you'll get only NULLs no matter what is actually in the buffer (typically some old leftover row). More...

void	StartPSIBatchMode () override
	Start performance schema batch mode, if supported (otherwise ignored). More...

void	EndPSIBatchModeIfStarted () override
	Ends performance schema batch mode, if started. More...

Public Member Functions inherited from RowIterator
	RowIterator (THD *thd)

virtual	~RowIterator ()=default

	RowIterator (const RowIterator &)=delete

	RowIterator (RowIterator &&)=default

virtual bool	Init ()=0
	Initialize or reinitialize the iterator. More...

virtual int	Read ()=0
	Read a single row. More...

virtual const IteratorProfiler *	GetProfiler () const
	Get profiling data for this iterator (for 'EXPLAIN ANALYZE'). More...

virtual void	SetOverrideProfiler (const IteratorProfiler *profiler)

virtual RowIterator *	real_iterator ()
	If this iterator is wrapping a different iterator (e.g. More...

virtual const RowIterator *	real_iterator () const

Additional Inherited Members
Protected Member Functions inherited from TableRowIterator
int	HandleError (int error)

void	PrintError (int error)

TABLE *	table () const

Protected Member Functions inherited from RowIterator
THD *	thd () const

Detailed Description

An interface for RowIterators that have a given row ID, ie., they can be children in ROR (rowid-ordered) scans.

The only examples of this are QUICK_RANGE_SCAN_SELECT and RowIDIntersectionIterator (which itself can also be a parent).

Constructor & Destructor Documentation

RowIDCapableRowIterator::RowIDCapableRowIterator	(	THD *	thd,
		TABLE *	table
	)

inline

virtual uchar * RowIDCapableRowIterator::last_rowid ( ) const

pure virtual

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