MySQL 8.3.0
Source Code Documentation
sp_cursor::Query_fetch_into_spvars Class Reference

An interceptor of cursor result set used to implement FETCH <cname> INTO <varlist>. More...

Inheritance diagram for sp_cursor::Query_fetch_into_spvars:

Public Member Functions

 Query_fetch_into_spvars ()
uint get_field_count ()
void set_spvar_list (List< sp_variable > *vars)
bool send_eof (THD *) override
bool send_data (THD *thd, const mem_root_deque< Item * > &items) override
bool prepare (THD *thd, const mem_root_deque< Item * > &list, Query_expression *u) override
 Perform preparation specific to the query expression or DML statement. More...
- Public Member Functions inherited from Query_result_interceptor
 Query_result_interceptor ()
uint field_count (const mem_root_deque< Item * > &) const override
bool send_result_set_metadata (THD *, const mem_root_deque< Item * > &, uint) override
- Public Member Functions inherited from Query_result
 Query_result ()
virtual ~Query_result ()=default
virtual bool needs_file_privilege () const
virtual bool change_query_result (THD *, Query_result *)
 Change wrapped Query_result. More...
virtual bool need_explain_interceptor () const
virtual bool start_execution (THD *)
 Prepare for execution of the query expression or DML statement. More...
virtual bool create_table_for_query_block (THD *)
 Create table, only needed to support CREATE TABLE ... SELECT. More...
virtual bool check_supports_cursor () const
 Check if this query result set supports cursors. More...
virtual void abort_result_set (THD *)
virtual bool reset ()
 Cleanup after one execution of the unit, to be ready for a next execution inside the same statement. More...
virtual void cleanup ()
 Cleanup after this execution. More...
virtual bool use_protocol_adapter () const
virtual bool use_protocol_wrapper () const
virtual void set_limit (ha_rows)
 Only overridden (and non-empty) for Query_result_union, q.v. More...
virtual Server_side_cursorcursor () const

Private Attributes

List< sp_variable > * spvar_list
uint field_count

Additional Inherited Members

- Public Attributes inherited from Query_result
ha_rows estimated_rowcount
 Number of records estimated in this result. More...
double estimated_cost
 Cost to execute the subquery which produces this result. More...
- Protected Attributes inherited from Query_result

Detailed Description

An interceptor of cursor result set used to implement FETCH <cname> INTO <varlist>.

Constructor & Destructor Documentation

◆ Query_fetch_into_spvars()

sp_cursor::Query_fetch_into_spvars::Query_fetch_into_spvars ( )

Member Function Documentation

◆ get_field_count()

uint sp_cursor::Query_fetch_into_spvars::get_field_count ( )

◆ prepare()

bool sp_cursor::Query_fetch_into_spvars::prepare ( THD ,
const mem_root_deque< Item * > &  ,
Query_expression u 

Perform preparation specific to the query expression or DML statement.

false if success, true if error

Reimplemented from Query_result.

◆ send_data()

bool sp_cursor::Query_fetch_into_spvars::send_data ( THD thd,
const mem_root_deque< Item * > &  items 

Implements Query_result.

◆ send_eof()

bool sp_cursor::Query_fetch_into_spvars::send_eof ( THD )

Implements Query_result.

◆ set_spvar_list()

void sp_cursor::Query_fetch_into_spvars::set_spvar_list ( List< sp_variable > *  vars)

Member Data Documentation

◆ field_count

uint sp_cursor::Query_fetch_into_spvars::field_count

◆ spvar_list

List<sp_variable>* sp_cursor::Query_fetch_into_spvars::spvar_list

The documentation for this class was generated from the following files: