diff options
Diffstat (limited to 'storage/innobase/include/row0upd.h')
| -rw-r--r-- | storage/innobase/include/row0upd.h | 89 |
1 files changed, 7 insertions, 82 deletions
diff --git a/storage/innobase/include/row0upd.h b/storage/innobase/include/row0upd.h index 2b06d406296..58c60a0a4da 100644 --- a/storage/innobase/include/row0upd.h +++ b/storage/innobase/include/row0upd.h @@ -75,7 +75,7 @@ void upd_field_set_field_no( /*===================*/ upd_field_t* upd_field, /*!< in: update vector field */ - ulint field_no, /*!< in: field number in a clustered + uint16_t field_no, /*!< in: field number in a clustered index */ dict_index_t* index); @@ -87,7 +87,7 @@ UNIV_INLINE void upd_field_set_v_field_no( upd_field_t* upd_field, - ulint field_no, + uint16_t field_no, dict_index_t* index); /*********************************************************************//** Returns a field of an update vector by field_no. @@ -97,24 +97,10 @@ const upd_field_t* upd_get_field_by_field_no( /*======================*/ const upd_t* update, /*!< in: update vector */ - ulint no, /*!< in: field_no */ + uint16_t no, /*!< in: field_no */ bool is_virtual) /*!< in: if it is a virtual column */ MY_ATTRIBUTE((warn_unused_result)); /*********************************************************************//** -Updates the trx id and roll ptr field in a clustered index record when -a row is updated or marked deleted. */ -UNIV_INLINE -void -row_upd_rec_sys_fields( -/*===================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - dict_index_t* index, /*!< in: clustered index */ - const rec_offs* offsets,/*!< in: rec_get_offsets(rec, index) */ - const trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr);/*!< in: DB_ROLL_PTR to the undo log */ -/*********************************************************************//** Creates an update node for a query graph. @return own: update node */ upd_node_t* @@ -122,17 +108,6 @@ upd_node_create( /*============*/ mem_heap_t* heap); /*!< in: mem heap where created */ /***********************************************************//** -Writes to the redo log the new values of the fields occurring in the index. */ -void -row_upd_index_write_log( -/*====================*/ - const upd_t* update, /*!< in: update vector */ - byte* log_ptr,/*!< in: pointer to mlog buffer: must - contain at least MLOG_BUF_MARGIN bytes - of free space; the buffer is closed - within this function */ - mtr_t* mtr); /*!< in: mtr into whose log to write */ -/***********************************************************//** Returns TRUE if row update changes size of some field in index or if some field to be updated is stored externally in rec or update. @return TRUE if the update changes the size of some field in index or @@ -151,21 +126,6 @@ row_upd_changes_disowned_external( /*==============================*/ const upd_t* update) /*!< in: update vector */ MY_ATTRIBUTE((nonnull, warn_unused_result)); -/***********************************************************//** -Replaces the new column values stored in the update vector to the -record given. No field size changes are allowed. This function is -usually invoked on a clustered index. The only use case for a -secondary index is row_ins_sec_index_entry_by_modify() or its -counterpart in ibuf_insert_to_index_page(). */ -void -row_upd_rec_in_place( -/*=================*/ - rec_t* rec, /*!< in/out: record where replaced */ - dict_index_t* index, /*!< in: the index the record belongs to */ - const rec_offs* offsets,/*!< in: array returned by rec_get_offsets() */ - const upd_t* update, /*!< in: update vector */ - page_zip_des_t* page_zip);/*!< in: compressed page with enough space - available, or NULL */ /***************************************************************//** Builds an update vector from those fields which in a secondary index entry @@ -340,52 +300,17 @@ que_thr_t* row_upd_step( /*=========*/ que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Parses the log data of system field values. -@return log data end or NULL */ -byte* -row_upd_parse_sys_vals( -/*===================*/ - const byte* ptr, /*!< in: buffer */ - const byte* end_ptr,/*!< in: buffer end */ - ulint* pos, /*!< out: TRX_ID position in record */ - trx_id_t* trx_id, /*!< out: trx id */ - roll_ptr_t* roll_ptr);/*!< out: roll ptr */ -/*********************************************************************//** -Updates the trx id and roll ptr field in a clustered index record in database -recovery. */ -void -row_upd_rec_sys_fields_in_recovery( -/*===============================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - const rec_offs* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint pos, /*!< in: TRX_ID position in rec */ - trx_id_t trx_id, /*!< in: transaction id */ - roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ -/*********************************************************************//** -Parses the log data written by row_upd_index_write_log. -@return log data end or NULL */ -byte* -row_upd_index_parse( -/*================*/ - const byte* ptr, /*!< in: buffer */ - const byte* end_ptr,/*!< in: buffer end */ - mem_heap_t* heap, /*!< in: memory heap where update vector is - built */ - upd_t** update_out);/*!< out: update vector */ - /* Update vector field */ struct upd_field_t{ - unsigned field_no:16; /*!< field number in an index, usually + uint16_t field_no; /*!< field number in an index, usually the clustered index, but in updating a secondary index record in btr0cur.cc this is the position in the secondary index. If this field is a virtual column, then field_no represents the nth virtual column in the table */ - unsigned orig_len:16; /*!< original length of the locally + uint16_t orig_len; /*!< original length of the locally stored part of an externally stored column, or 0 */ que_node_t* exp; /*!< expression for calculating a new @@ -408,7 +333,7 @@ struct upd_field_t{ /* Update vector structure */ struct upd_t{ mem_heap_t* heap; /*!< heap from which memory allocated */ - ulint info_bits; /*!< new value of info bits to record; + byte info_bits; /*!< new value of info bits to record; default is 0 */ dtuple_t* old_vrow; /*!< pointer to old row, used for virtual column update now */ @@ -450,7 +375,7 @@ struct upd_t{ /** Determine if the given field_no is modified. @return true if modified, false otherwise. */ - bool is_modified(const ulint field_no) const + bool is_modified(uint16_t field_no) const { for (ulint i = 0; i < n_fields; ++i) { if (field_no == fields[i].field_no) { |