diff options
Diffstat (limited to 'storage/innobase/include/trx0undo.ic')
| -rw-r--r-- | storage/innobase/include/trx0undo.ic | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/storage/innobase/include/trx0undo.ic b/storage/innobase/include/trx0undo.ic index 4b38e63297c..577759d6c3d 100644 --- a/storage/innobase/include/trx0undo.ic +++ b/storage/innobase/include/trx0undo.ic @@ -101,6 +101,21 @@ trx_undo_roll_ptr_is_insert( ut_ad(roll_ptr < (1ULL << 56)); return((ibool) (roll_ptr >> 55)); } + +/***********************************************************************//** +Returns true if the record is of the insert type. +@return true if the record was freshly inserted (not updated). */ +UNIV_INLINE +bool +trx_undo_trx_id_is_insert( +/*======================*/ + const byte* trx_id) /*!< in: DB_TRX_ID, followed by DB_ROLL_PTR */ +{ +#if DATA_TRX_ID + 1 != DATA_ROLL_PTR +# error +#endif + return(static_cast<bool>(trx_id[DATA_TRX_ID_LEN] >> 7)); +} #endif /* !UNIV_HOTBACKUP */ /*****************************************************************//** |