diff options
Diffstat (limited to 'innobase/include/trx0trx.ic')
| -rw-r--r-- | innobase/include/trx0trx.ic | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/innobase/include/trx0trx.ic b/innobase/include/trx0trx.ic index 78e5acda148..d23165b74e8 100644 --- a/innobase/include/trx0trx.ic +++ b/innobase/include/trx0trx.ic @@ -39,4 +39,52 @@ trx_start_if_not_started_low( } } +/***************************************************************** +Resets the new record lock info in a transaction struct. */ +UNIV_INLINE +void +trx_reset_new_rec_lock_info( +/*========================*/ + trx_t* trx) /* in: transaction struct */ +{ + trx->new_rec_locks[0] = NULL; + trx->new_rec_locks[1] = NULL; +} + +/***************************************************************** +Registers that we have set a new record lock on an index. This can only be +called twice after calling trx_reset_new_rec_lock_info(), since we only have +space to store 2 indexes! */ +UNIV_INLINE +void +trx_register_new_rec_lock( +/*======================*/ + trx_t* trx, /* in: transaction struct */ + dict_index_t* index) /* in: trx sets a new record lock on this + index*/ +{ + if (trx->new_rec_locks[0] == NULL) { + trx->new_rec_locks[0] = index; + return; + } + + ut_a(trx->new_rec_locks[1] == NULL); + + trx->new_rec_locks[1] = index; +} + +/***************************************************************** +Checks if trx has set a new record lock on an index. */ +UNIV_INLINE +ibool +trx_new_rec_locks_contain( +/*======================*/ + /* out: TRUE if trx has set a new record lock + on index */ + trx_t* trx, /* in: transaction struct */ + dict_index_t* index) /* in: index */ +{ + return(trx->new_rec_locks[0] == index + || trx->new_rec_locks[1] == index); +} |