Include dependency graph for trx0rseg.ic:
This graph shows which files directly or indirectly include this file:
Functions | |
| UNIV_INLINE trx_rsegf_t * | trx_rsegf_get (ulint space, ulint zip_size, ulint page_no, mtr_t *mtr) |
| UNIV_INLINE trx_rsegf_t * | trx_rsegf_get_new (ulint space, ulint zip_size, ulint page_no, mtr_t *mtr) |
| UNIV_INLINE ulint | trx_rsegf_get_nth_undo (trx_rsegf_t *rsegf, ulint n, mtr_t *mtr) |
| UNIV_INLINE void | trx_rsegf_set_nth_undo (trx_rsegf_t *rsegf, ulint n, ulint page_no, mtr_t *mtr) |
| UNIV_INLINE ulint | trx_rsegf_undo_find_free (trx_rsegf_t *rsegf, mtr_t *mtr) |
| UNIV_INLINE trx_rseg_t * | trx_rseg_get_on_id (ulint id) |
Detailed Description
Rollback segment
Created 3/26/1996 Heikki Tuuri
Function Documentation
| UNIV_INLINE trx_rseg_t* trx_rseg_get_on_id | ( | ulint | id | ) |
Looks for a rollback segment, based on the rollback segment id.
- Returns
- rollback segment
- Parameters
-
id in: rollback segment id
| UNIV_INLINE trx_rsegf_t* trx_rsegf_get | ( | ulint | space, |
| ulint | zip_size, | ||
| ulint | page_no, | ||
| mtr_t * | mtr | ||
| ) |
Gets a rollback segment header.
- Returns
- rollback segment header, page x-latched
- Parameters
-
space in: space where placed zip_size in: compressed page size in bytes or 0 for uncompressed pages page_no in: page number of the header mtr in: mtr
| UNIV_INLINE trx_rsegf_t* trx_rsegf_get_new | ( | ulint | space, |
| ulint | zip_size, | ||
| ulint | page_no, | ||
| mtr_t * | mtr | ||
| ) |
Gets a newly created rollback segment header.
- Returns
- rollback segment header, page x-latched
- Parameters
-
space in: space where placed zip_size in: compressed page size in bytes or 0 for uncompressed pages page_no in: page number of the header mtr in: mtr
| UNIV_INLINE ulint trx_rsegf_get_nth_undo | ( | trx_rsegf_t * | rsegf, |
| ulint | n, | ||
| mtr_t * | mtr | ||
| ) |
Gets the file page number of the nth undo log slot.
- Returns
- page number of the undo log segment
- Parameters
-
rsegf in: rollback segment header n in: index of slot mtr in: mtr
| UNIV_INLINE void trx_rsegf_set_nth_undo | ( | trx_rsegf_t * | rsegf, |
| ulint | n, | ||
| ulint | page_no, | ||
| mtr_t * | mtr | ||
| ) |
Sets the file page number of the nth undo log slot.
- Parameters
-
rsegf in: rollback segment header n in: index of slot page_no in: page number of the undo log segment mtr in: mtr
| UNIV_INLINE ulint trx_rsegf_undo_find_free | ( | trx_rsegf_t * | rsegf, |
| mtr_t * | mtr | ||
| ) |
Looks for a free slot for an undo log segment.
- Returns
- slot index or ULINT_UNDEFINED if not found
- Parameters
-
rsegf in: rollback segment header mtr in: mtr
