Public Attributes
que_common_t	common
ibool	is_delete
ibool	searched_update
ibool	in_mysql_interface
dict_foreign_t *	foreign
upd_node_t *	cascade_node
mem_heap_t *	cascade_heap
sel_node_t *	select
btr_pcur_t *	pcur
dict_table_t *	table
upd_t *	update
ulint	update_n_fields
sym_node_list_t	columns
ibool	has_clust_rec_x_lock
ulint	cmpl_info
ulint	state
dict_index_t *	index
dtuple_t *	row
row_ext_t *	ext
dtuple_t *	upd_row
row_ext_t *	upd_ext
mem_heap_t *	heap
sym_node_t *	table_sym
que_node_t *	col_assign_list
ulint	magic_n

Detailed Description

Definition at line 387 of file row0upd.h.

Member Data Documentation

que_common_t upd_node_struct::common

node type: QUE_NODE_UPDATE

Definition at line 388 of file row0upd.h.

Referenced by upd_node_create().

row_ext_t* upd_node_struct::ext

NULL, or prefixes of the externally stored columns in the old row

Definition at line 438 of file row0upd.h.

Referenced by upd_node_create().

mem_heap_t* upd_node_struct::heap

memory heap used as auxiliary storage; this must be emptied after a successful update

Definition at line 443 of file row0upd.h.

Referenced by que_graph_free_recursive(), and upd_node_create().

dict_index_t* upd_node_struct::index

NULL, or the next index whose record should be updated

Definition at line 433 of file row0upd.h.

Referenced by upd_node_create().

btr_pcur_t* upd_node_struct::pcur

persistent cursor placed on the clustered index record which should be updated or deleted; the cursor is stored in the graph of 'select' field above, except in the case of the MySQL interface

Definition at line 407 of file row0upd.h.

Referenced by pars_update_statement(), que_graph_free_recursive(), row_create_update_node_for_mysql(), and row_update_for_mysql().

dtuple_t* upd_node_struct::row

NULL, or a copy (also fields copied to heap) of the row to update; this must be reset to NULL after a successful update

Definition at line 435 of file row0upd.h.

Referenced by upd_node_create().

sel_node_t* upd_node_struct::select

query graph subtree implementing a base table cursor: the rows returned will be updated

Definition at line 404 of file row0upd.h.

Referenced by pars_update_statement(), que_graph_free_recursive(), row_create_update_node_for_mysql(), row_upd_step(), and upd_node_create().

ulint upd_node_struct::state

node execution state