log_i Class Reference

Log-scan iterator. More...

#include <log_core.h>

Public Member Functions
	log_i (log_core &l, const lsn_t &lsn, const bool forward=true)
	start a scan of the given log a the given log sequence number. More...
	~log_i ()
bool	xct_next (lsn_t &lsn, logrec_t *&r)
	Get the next log record for transaction, put its sequence number in argument lsn. More...
bool	xct_next (lsn_t &lsn, logrec_t &r)
w_rc_t &	get_last_rc ()
	Get the return code from the last next() call. More...

Private Attributes
log_core &	log
lsn_t	cursor
w_rc_t	last_rc
bool	forward_scan

Detailed Description

Log-scan iterator.

Used in restart to scan the log.

Constructor & Destructor Documentation

log_i()

log_i::log_i ( log_core &  l, const lsn_t &  lsn, const bool  forward = true  )

inline

start a scan of the given log a the given log sequence number.

~log_i()

log_i::~log_i ( )

inline

Member Function Documentation

get_last_rc()

w_rc_t & log_i::get_last_rc ( )

inline

Get the return code from the last next() call.

xct_next() [1/2]

bool log_i::xct_next	(	lsn_t &	lsn,
		logrec_t *&	r
	)

Get the next log record for transaction, put its sequence number in argument lsn.

xct_next() [2/2]

bool log_i::xct_next	(	lsn_t &	lsn,
		logrec_t &	r
	)

Member Data Documentation

cursor

lsn_t log_i::cursor

private

forward_scan

bool log_i::forward_scan

private

last_rc

w_rc_t log_i::last_rc

private

log

log_core& log_i::log

private

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

• src/sm/log_core.h
• src/sm/log_core.cpp