diff options
Diffstat (limited to 'storage/innobase/include/row0row.ic')
| -rw-r--r-- | storage/innobase/include/row0row.ic | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/storage/innobase/include/row0row.ic b/storage/innobase/include/row0row.ic index 05c007641af..9d19e430e16 100644 --- a/storage/innobase/include/row0row.ic +++ b/storage/innobase/include/row0row.ic @@ -28,15 +28,45 @@ Created 4/20/1996 Heikki Tuuri #include "trx0undo.h" /*********************************************************************//** +Gets the offset of trx id field, in bytes relative to the origin of +a clustered index record. +@return offset of DATA_TRX_ID */ +UNIV_INLINE +ulint +row_get_trx_id_offset_func( +/*=======================*/ +#ifdef UNIV_DEBUG + const rec_t* rec, /*!< in: record */ +#endif /* UNIV_DEBUG */ + const dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + ulint pos; + ulint offset; + ulint len; + + ut_ad(dict_index_is_clust(index)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); + + offset = rec_get_nth_field_offs(offsets, pos, &len); + + ut_ad(len == DATA_TRX_ID_LEN); + + return(offset); +} + +/*********************************************************************//** Reads the trx id field from a clustered index record. @return value of the field */ UNIV_INLINE trx_id_t row_get_rec_trx_id( /*===============*/ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { ulint offset; |