#include <row0sel.h>
Data Fields | |
| que_common_t | common |
| enum sel_node_state | state |
| que_node_t * | select_list |
| sym_node_t * | into_list |
| sym_node_t * | table_list |
| ibool | asc |
| ibool | set_x_locks |
| ulint | row_lock_mode |
| ulint | n_tables |
| ulint | fetch_table |
| plan_t * | plans |
| que_node_t * | search_cond |
| read_view_t * | read_view |
| ibool | consistent_read |
| order_node_t * | order_by |
| ibool | is_aggregate |
| ibool | aggregate_already_fetched |
| ibool | can_get_updated |
| sym_node_t * | explicit_cursor |
| ut_list_base< sym_node_t > | copy_variables |
Detailed Description
Select statement node
Field Documentation
| ibool sel_node_t::aggregate_already_fetched |
TRUE if the aggregate row has already been fetched for the current cursor
| ibool sel_node_t::asc |
TRUE if the rows should be fetched in an ascending order
| ibool sel_node_t::can_get_updated |
this is TRUE if the select is in a single-table explicit cursor which can get updated within the stored procedure, or in a searched update or delete; NOTE that to determine of an explicit cursor if it can get updated, the parser checks from a stored procedure if it contains positioned update or delete statements
| que_common_t sel_node_t::common |
node type: QUE_NODE_SELECT
| ibool sel_node_t::consistent_read |
TRUE if the select is a consistent, non-locking read
| ut_list_base< sym_node_t > sel_node_t::copy_variables |
variables whose values we have to copy when an explicit cursor is opened, so that they do not change between fetches
| sym_node_t* sel_node_t::explicit_cursor |
not NULL if an explicit cursor
| ulint sel_node_t::fetch_table |
number of the next table to access in the join
| sym_node_t* sel_node_t::into_list |
variables list or NULL
| ibool sel_node_t::is_aggregate |
TRUE if the select list consists of aggregate functions
| ulint sel_node_t::n_tables |
number of tables
| order_node_t* sel_node_t::order_by |
order by column definition, or NULL
| plan_t* sel_node_t::plans |
array of n_tables many plan nodes containing the search plan and the search data structures
| read_view_t* sel_node_t::read_view |
if the query is a non-locking consistent read, its read view is placed here, otherwise NULL
| ulint sel_node_t::row_lock_mode |
LOCK_X or LOCK_S
| que_node_t* sel_node_t::search_cond |
search condition
| que_node_t* sel_node_t::select_list |
select list
| ibool sel_node_t::set_x_locks |
TRUE if the cursor is for update or delete, which means that a row x-lock should be placed on the cursor row
| enum sel_node_state sel_node_t::state |
node state
| sym_node_t* sel_node_t::table_list |
table list
The documentation for this struct was generated from the following file:
- include/row0sel.h
