Sql_cmd_drop_trigger Class Reference

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

#include <sql_trigger.h>

Inheritance diagram for Sql_cmd_drop_trigger:

Public Member Functions
enum_sql_command	sql_command_code () const final
	Return the command code for DROP TRIGGER. More...
bool	execute (THD *thd) final
	Execute DROP TRIGGER statement. More...
Public Member Functions inherited from Sql_cmd_ddl_trigger_common
void	set_table (Table_ref *trigger_table)
	Set a table associated with a trigger. 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_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_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
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_ddl_trigger_common
	Sql_cmd_ddl_trigger_common ()
bool	check_trg_priv_on_subj_table (THD *thd, Table_ref *table) const
	Check that the user has TRIGGER privilege on the subject table. More...
TABLE *	open_and_lock_subj_table (THD *thd, Table_ref *tables, MDL_ticket **mdl_ticket) const
	Open and lock a table associated with a trigger. More...
void	restore_original_mdl_state (THD *thd, MDL_ticket *mdl_ticket) const
	Restore original state of meta-data locks. 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_ddl_trigger_common
Table_ref *	m_trigger_table {nullptr}

Detailed Description

This class implements the DROP TRIGGER statement.

Member Function Documentation

execute()

bool Sql_cmd_drop_trigger::execute ( THD *  thd )

finalvirtual

Execute DROP TRIGGER statement.

Parameters

thd	current thread context

Return values

false	Success
true	error

Implements Sql_cmd.

sql_command_code()

enum_sql_command Sql_cmd_drop_trigger::sql_command_code ( ) const

inlinefinalvirtual

Return the command code for DROP TRIGGER.

Implements Sql_cmd.

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

• sql/sql_trigger.h
• sql/sql_trigger.cc