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Functions | |
| UNIV_INLINE ulint | trx_undo_rec_get_type (const trx_undo_rec_t *undo_rec) |
| UNIV_INLINE ulint | trx_undo_rec_get_cmpl_info (const trx_undo_rec_t *undo_rec) |
| UNIV_INLINE ibool | trx_undo_rec_get_extern_storage (const trx_undo_rec_t *undo_rec) |
| UNIV_INLINE undo_no_t | trx_undo_rec_get_undo_no (const trx_undo_rec_t *undo_rec) |
| UNIV_INLINE ulint | trx_undo_rec_get_offset (undo_no_t undo_no) |
| UNIV_INLINE trx_undo_rec_t * | trx_undo_rec_copy (const trx_undo_rec_t *undo_rec, mem_heap_t *heap) |
Detailed Description
Transaction undo log record
Created 3/26/1996 Heikki Tuuri
Function Documentation
| UNIV_INLINE trx_undo_rec_t* trx_undo_rec_copy | ( | const trx_undo_rec_t * | undo_rec, |
| mem_heap_t * | heap | ||
| ) |
Copies the undo record to the heap.
- Returns
- own: copy of undo log record
- Parameters
-
undo_rec in: undo log record heap in: heap where copied
| UNIV_INLINE ulint trx_undo_rec_get_cmpl_info | ( | const trx_undo_rec_t * | undo_rec | ) |
Reads from an undo log record the record compiler info.
- Returns
- compiler info
- Parameters
-
undo_rec in: undo log record
| UNIV_INLINE ibool 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.
- Returns
- TRUE if extern
- Parameters
-
undo_rec in: undo log record
| UNIV_INLINE ulint trx_undo_rec_get_offset | ( | undo_no_t | undo_no | ) |
Returns the start of the undo record data area.
- Returns
- offset to the data area
- Parameters
-
undo_no in: undo no read from node
| UNIV_INLINE ulint trx_undo_rec_get_type | ( | const trx_undo_rec_t * | undo_rec | ) |
Reads from an undo log record the record type.
- Returns
- record type
- Parameters
-
undo_rec in: undo log record
| UNIV_INLINE undo_no_t trx_undo_rec_get_undo_no | ( | const trx_undo_rec_t * | undo_rec | ) |
Reads the undo log record number.
- Returns
- undo no
- Parameters
-
undo_rec in: undo log record
