MySQL 8.3.0
Source Code Documentation
Sql_cmd_ddl_dummy Class Referencefinal

This is a dummy class for old-style commands whose code is in sql_parse.cc, not in the execute() function. More...

#include <sql_cmd_ddl.h>

Inheritance diagram for Sql_cmd_ddl_dummy:
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Public Member Functions

void set_sql_command_code (enum_sql_command scc)
 
enum_sql_command sql_command_code () const override
 Return the command code for this statement. More...
 
bool execute (THD *thd) override
 Execute this SQL statement. More...
 
- Public Member Functions inherited from Sql_cmd_ddl
enum enum_sql_cmd_type sql_cmd_type () const override
 
- Public Member Functions inherited from Sql_cmd
bool needs_explicit_preparation () const
 
bool is_regular () const
 
bool is_prepared () const
 
virtual bool prepare (THD *)
 Prepare this SQL statement. More...
 
virtual void cleanup (THD *)
 Command-specific reinitialization before execution of prepared statement. More...
 
void set_owner (Prepared_statement *stmt)
 Set the owning prepared statement. More...
 
Prepared_statementowner () const
 Get the owning prepared statement. More...
 
void set_as_part_of_sp ()
 Mark statement as part of procedure. More...
 
bool is_part_of_sp () const
 
virtual bool is_single_table_plan () const
 
virtual bool accept (THD *, Select_lex_visitor *)
 
virtual const MYSQL_LEX_CSTRINGeligible_secondary_storage_engine (THD *) const
 Is this statement of a type and on a form that makes it eligible for execution in a secondary storage engine? More...
 
virtual bool is_bulk_load () const
 
void disable_secondary_storage_engine ()
 Disable use of secondary storage engines in this statement. More...
 
void enable_secondary_storage_engine ()
 
bool secondary_storage_engine_disabled () const
 Has use of secondary storage engines been disabled for this statement? More...
 
void use_secondary_storage_engine (const handlerton *hton)
 Mark the current statement as using a secondary storage engine. More...
 
bool using_secondary_storage_engine () const
 Is this statement using a secondary storage engine? More...
 
const handlertonsecondary_engine () const
 Get the handlerton of the secondary engine that is used for executing this statement, or nullptr if a secondary engine is not used. More...
 
void set_optional_transform_prepared (bool value)
 
bool is_optional_transform_prepared ()
 

Private Attributes

enum_sql_command my_sql_command {SQLCOM_END}
 

Additional Inherited Members

- Protected Member Functions inherited from Sql_cmd
 Sql_cmd ()
 
virtual ~Sql_cmd ()
 
void set_prepared ()
 Set this statement as prepared. More...
 

Detailed Description

This is a dummy class for old-style commands whose code is in sql_parse.cc, not in the execute() function.

This Sql_cmd sub-class presently exists solely to provide a correct sql_cmd_type() for the command; it does nothing else.

Member Function Documentation

◆ execute()

bool Sql_cmd_ddl_dummy::execute ( THD thd)
inlineoverridevirtual

Execute this SQL statement.

Parameters
thdthe current thread.
Returns
false if success, true if error

Implements Sql_cmd.

◆ set_sql_command_code()

void Sql_cmd_ddl_dummy::set_sql_command_code ( enum_sql_command  scc)
inline

◆ sql_command_code()

enum_sql_command Sql_cmd_ddl_dummy::sql_command_code ( ) const
inlineoverridevirtual

Return the command code for this statement.

Implements Sql_cmd.

Member Data Documentation

◆ my_sql_command

enum_sql_command Sql_cmd_ddl_dummy::my_sql_command {SQLCOM_END}
private

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