Undo node structure. More...

#include <row0undo.h>

Public Member Functions
	undo_node_t (trx_t &, que_thr_t *parent, bool partial_rollback)

Public Attributes
que_common_t	common
	node type: QUE_NODE_UNDO More...

enum undo_exec	state
	node execution state More...

trx_t &	trx
	trx for which undo is done More...

roll_ptr_t	roll_ptr
	roll pointer to undo log record More...

trx_undo_rec_t *	undo_rec
	undo log record More...

undo_no_t	undo_no
	undo number of the record More...

ulint	rec_type
	undo log record type: TRX_UNDO_INSERT_REC, ... More...

trx_id_t	new_trx_id
	trx id to restore to clustered index record More...

btr_pcur_t	pcur
	persistent cursor used in searching the clustered index record More...

dict_table_t *	table
	table where undo is done More...

ulint	cmpl_info
	compiler analysis of an update More...

upd_t *	update
	update vector for a clustered index record More...

dtuple_t *	ref
	row reference to the next row to handle More...

dtuple_t *	row
	a copy (also fields copied to heap) of the row to handle More...

row_ext_t *	ext
	NULL, or prefixes of the externally stored columns of the row. More...

dtuple_t *	undo_row
	NULL, or the row after undo. More...

row_ext_t *	undo_ext
	NULL, or prefixes of the externally stored columns of undo_row. More...

dict_index_t *	index
	the next index whose record should be handled More...

mem_heap_t *	heap
	memory heap used as auxiliary storage for row; this must be emptied after undo is tried on a row More...

bool	partial
	true if partial rollback More...

Long_undo_state	long_undo_state
	state of long-running undo More...

Detailed Description

Undo node structure.

Constructor & Destructor Documentation

◆ undo_node_t()

undo_node_t::undo_node_t	(	trx_t &	trx,
		que_thr_t *	parent,
		bool	partial_rollback
	)

Member Data Documentation

◆ cmpl_info

ulint undo_node_t::cmpl_info

compiler analysis of an update

◆ common

que_common_t undo_node_t::common

node type: QUE_NODE_UNDO

◆ ext

row_ext_t* undo_node_t::ext

NULL, or prefixes of the externally stored columns of the row.

◆ heap

mem_heap_t* undo_node_t::heap

memory heap used as auxiliary storage for row; this must be emptied after undo is tried on a row

◆ index

dict_index_t* undo_node_t::index

the next index whose record should be handled

◆ long_undo_state

Long_undo_state undo_node_t::long_undo_state

state of long-running undo

◆ new_trx_id

trx_id_t undo_node_t::new_trx_id

trx id to restore to clustered index record

◆ partial

bool undo_node_t::partial

true if partial rollback

◆ pcur

btr_pcur_t undo_node_t::pcur

persistent cursor used in searching the clustered index record

◆ rec_type

ulint undo_node_t::rec_type

undo log record type: TRX_UNDO_INSERT_REC, ...

◆ ref

dtuple_t* undo_node_t::ref

row reference to the next row to handle

◆ roll_ptr

roll_ptr_t undo_node_t::roll_ptr

roll pointer to undo log record

◆ row

dtuple_t* undo_node_t::row

a copy (also fields copied to heap) of the row to handle

◆ state

enum undo_exec undo_node_t::state

node execution state

◆ table

dict_table_t* undo_node_t::table

table where undo is done

◆ trx

trx_t& undo_node_t::trx

trx for which undo is done

◆ undo_ext

row_ext_t* undo_node_t::undo_ext

NULL, or prefixes of the externally stored columns of undo_row.

◆ undo_no

undo_no_t undo_node_t::undo_no

undo number of the record

◆ undo_rec

trx_undo_rec_t* undo_node_t::undo_rec

undo log record

◆ undo_row

dtuple_t* undo_node_t::undo_row

NULL, or the row after undo.

◆ update

upd_t* undo_node_t::update

update vector for a clustered index record

The documentation for this struct was generated from the following files:

storage/innobase/include/row0undo.h
storage/innobase/row/row0undo.cc

Public Member Functions

Public Attributes