Sql_cmd_handler_open represents HANDLER OPEN statement. More...

#include <sql_handler.h>

Inheritance diagram for Sql_cmd_handler_open:

Public Member Functions
	Sql_cmd_handler_open ()=default

	~Sql_cmd_handler_open () override=default

enum_sql_command	sql_command_code () const override
	Return the command code for this statement. More...

bool	execute (THD *thd) override
	Execute a HANDLER OPEN statement. 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 enum enum_sql_cmd_type	sql_cmd_type () const

virtual bool	is_single_table_plan () const

virtual bool	accept (THD , Select_lex_visitor )

virtual const MYSQL_LEX_CSTRING *	eligible_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

virtual bool	are_dynamic_parameters_allowed () 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 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 ()

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

Sql_cmd_handler_open represents HANDLER OPEN statement.

Note: Some information about this statement, for example, table to be opened is still kept in LEX class.

Constructor & Destructor Documentation

◆ Sql_cmd_handler_open()

Sql_cmd_handler_open::Sql_cmd_handler_open ( )

default

◆ ~Sql_cmd_handler_open()

Sql_cmd_handler_open::~Sql_cmd_handler_open ( )

overridedefault

Member Function Documentation

◆ execute()

bool Sql_cmd_handler_open::execute ( THD * thd )

overridevirtual

Execute a HANDLER OPEN statement.

Parameters

thd	The current thread.

Return values

false	on success.
true	on failure.

Implements Sql_cmd.

◆ sql_command_code()

enum_sql_command Sql_cmd_handler_open::sql_command_code ( ) const

inlineoverridevirtual

Return the command code for this statement.