diff options
Diffstat (limited to 'innobase/include/row0mysql.h')
| -rw-r--r-- | innobase/include/row0mysql.h | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/innobase/include/row0mysql.h b/innobase/include/row0mysql.h index 48b6ba8a715..13b3dffd874 100644 --- a/innobase/include/row0mysql.h +++ b/innobase/include/row0mysql.h @@ -209,6 +209,27 @@ row_update_for_mysql( row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL handle */ /************************************************************************* +Creates an query graph node of 'update' type to be used in the MySQL +interface. */ + +upd_node_t* +row_create_update_node_for_mysql( +/*=============================*/ + /* out, own: update node */ + dict_table_t* table, /* in: table to update */ + mem_heap_t* heap); /* in: mem heap from which allocated */ +/************************************************************************** +Does a cascaded delete or set null in a foreign key operation. */ + +ulint +row_update_cascade_for_mysql( +/*=========================*/ + /* out: error code or DB_SUCCESS */ + que_thr_t* thr, /* in: query thread */ + upd_node_t* node, /* in: update node used in the cascade + or set null operation */ + dict_table_t* table); /* in: table where we do the operation */ +/************************************************************************* Does a table creation operation for MySQL. If the name of the created table ends to characters INNODB_MONITOR, then this also starts printing of monitor output by the master thread. */ @@ -402,13 +423,13 @@ struct row_prebuilt_struct { byte* ins_upd_rec_buff;/* buffer for storing data converted to the Innobase format from the MySQL format */ - ibool in_update_remember_pos; - /* if an update is processed, then if - this flag is set to TRUE, it means - that the stored cursor position in - SELECT is the right position also - for the update: we can just restore - the cursor and save CPU time */ + ibool hint_no_need_to_fetch_extra_cols; + /* normally this is TRUE, but + MySQL will set this to FALSE + if we might be required to fetch also + other columns than mentioned in the + query: the clustered index column(s), + or an auto-increment column*/ upd_node_t* upd_node; /* Innobase SQL update node used to perform updates and deletes */ que_fork_t* ins_graph; /* Innobase SQL query graph used |