trx0rec.ic File Reference

Transaction undo log record. More...

Functions
static ulint	trx_undo_rec_get_type (const trx_undo_rec_t *undo_rec)
	Reads from an undo log record the record type. More...
static ulint	trx_undo_rec_get_cmpl_info (const trx_undo_rec_t *undo_rec)
	Reads from an undo log record the record compiler info. More...
static bool	trx_undo_rec_get_extern_storage (const trx_undo_rec_t *undo_rec)
	Returns true if an undo log record contains an extern storage field. More...
static undo_no_t	trx_undo_rec_get_undo_no (const trx_undo_rec_t *undo_rec)
	Reads the undo log record number. More...
static trx_undo_rec_t *	trx_undo_rec_copy (const page_t *undo_page, uint32_t undo_offset, mem_heap_t *heap)

Detailed Description

Transaction undo log record.

Created 3/26/1996 Heikki Tuuri

Function Documentation

trx_undo_rec_copy()

static trx_undo_rec_t * trx_undo_rec_copy ( const page_t *  undo_page, uint32_t  undo_offset, mem_heap_t *  heap  )

inlinestatic

trx_undo_rec_get_cmpl_info()

static ulint trx_undo_rec_get_cmpl_info ( const trx_undo_rec_t *  undo_rec )

inlinestatic

Reads from an undo log record the record compiler info.

Returns

compiler info

Parameters

undo_rec

in: undo log record

trx_undo_rec_get_extern_storage()

static bool trx_undo_rec_get_extern_storage ( const trx_undo_rec_t *  undo_rec )

inlinestatic

Returns true if an undo log record contains an extern storage field.

Returns

true if extern

Parameters

undo_rec

in: undo log record

trx_undo_rec_get_type()

static ulint trx_undo_rec_get_type ( const trx_undo_rec_t *  undo_rec )

inlinestatic

Reads from an undo log record the record type.

Returns

record type

Parameters

undo_rec

in: undo log record

trx_undo_rec_get_undo_no()

static undo_no_t trx_undo_rec_get_undo_no ( const trx_undo_rec_t *  undo_rec )

inlinestatic

Reads the undo log record number.

Returns

undo no

Parameters

undo_rec

in: undo log record