diff options
Diffstat (limited to 'storage/innobase/include/trx0rseg.h')
| -rw-r--r-- | storage/innobase/include/trx0rseg.h | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/storage/innobase/include/trx0rseg.h b/storage/innobase/include/trx0rseg.h index e17d11b383e..95774cbf476 100644 --- a/storage/innobase/include/trx0rseg.h +++ b/storage/innobase/include/trx0rseg.h @@ -85,16 +85,6 @@ trx_rsegf_undo_find_free( /*=====================*/ trx_rsegf_t* rsegf, /*!< in: rollback segment header */ mtr_t* mtr); /*!< in: mtr */ -/** Get a rollback segment. -@param[in] id rollback segment id -@return rollback segment */ -UNIV_INLINE -trx_rseg_t* -trx_rseg_get_on_id(ulint id) -{ - ut_a(id < TRX_SYS_N_RSEGS); - return(trx_sys->rseg_array[id]); -} /** Creates a rollback segment header. This function is called only when a new rollback segment is created in @@ -119,14 +109,14 @@ trx_rseg_array_init(); void trx_rseg_mem_free(trx_rseg_t* rseg); -/********************************************************************* -Creates a rollback segment. */ +/** Create a persistent rollback segment. +@param[in] space_id system or undo tablespace id */ trx_rseg_t* -trx_rseg_create( -/*============*/ - ulint space_id, /*!< in: id of UNDO tablespace */ - ulint nth_free_slot); /*!< in: allocate nth free slot. - 0 means next free slots. */ +trx_rseg_create(ulint space_id); + +/** Create the temporary rollback segments. */ +void +trx_temp_rseg_create(); /******************************************************************** Get the number of unique rollback tablespaces in use except space id 0. @@ -205,6 +195,14 @@ struct trx_rseg_t { /** If true, then skip allocating this rseg as it reside in UNDO-tablespace marked for truncate. */ bool skip_allocation; + + /** @return whether the rollback segment is persistent */ + bool is_persistent() const + { + ut_ad(space == SRV_TMP_SPACE_ID + || space <= srv_undo_tablespaces); + return(space != SRV_TMP_SPACE_ID); + } }; /* Undo log segment slot in a rollback segment header */ |