MySQL 8.0.46
Source Code Documentation
Sql_cmd_drop_server Class Reference

This class implements the DROP SERVER statement. More...

#include <sql_servers.h>

Inheritance diagram for Sql_cmd_drop_server:
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Public Member Functions

 Sql_cmd_drop_server (LEX_STRING server_name, bool if_exists)
 
enum_sql_command sql_command_code () const override
 Return the command code for this statement. More...
 
bool execute (THD *thd) override
 Drop an existing server by deleting the matching row from the mysql.servers table and removing the cache entry. More...
 
- 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 bool reprepare_on_execute_required () const
 Some SQL commands currently require re-preparation on re-execution of a prepared statement or stored procedure. 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_statement * owner () 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_dml () const
 
virtual bool is_single_table_plan () const
 
virtual bool accept (THD *, Select_lex_visitor *)
 
virtual const MYSQL_LEX_CSTRING * eligible_secondary_storage_engine () const
 Is this statement of a type and on a form that makes it eligible for execution in a secondary storage engine? More...
 
void disable_secondary_storage_engine ()
 Disable use of secondary storage engines in this statement. More...
 
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 handlerton * secondary_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

LEX_STRING m_server_name
 Name of server to drop. More...
 
bool m_if_exists
 Is this DROP IF EXISTS? More...
 

Additional Inherited Members

- Protected Member Functions inherited from Sql_cmd_common_server
 Sql_cmd_common_server ()
 
 ~Sql_cmd_common_server () override=default
 
bool check_and_open_table (THD *thd)
 Check permissions and open the mysql.servers table. More...
 
- Protected Member Functions inherited from Sql_cmd
 Sql_cmd ()
 
virtual ~Sql_cmd ()
 
void set_prepared ()
 Set this statement as prepared. More...
 
- Protected Attributes inherited from Sql_cmd_common_server
TABLE * table
 

Detailed Description

This class implements the DROP SERVER statement.

Constructor & Destructor Documentation

◆ Sql_cmd_drop_server()

Sql_cmd_drop_server::Sql_cmd_drop_server ( LEX_STRING  server_name,
bool  if_exists 
)
inline

Member Function Documentation

◆ execute()

bool Sql_cmd_drop_server::execute ( THD *  thd)
overridevirtual

Drop an existing server by deleting the matching row from the mysql.servers table and removing the cache entry.

Parameters
thdThread context
Returns
false if success, true otherwise

Implements Sql_cmd.

◆ sql_command_code()

enum_sql_command Sql_cmd_drop_server::sql_command_code ( ) const
inlineoverridevirtual

Return the command code for this statement.

Implements Sql_cmd.

Member Data Documentation

◆ m_if_exists

bool Sql_cmd_drop_server::m_if_exists
private

Is this DROP IF EXISTS?

◆ m_server_name

LEX_STRING Sql_cmd_drop_server::m_server_name
private

Name of server to drop.


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