Sql_cmd_ddl_trigger_common Class Reference

This class has common code for CREATE/DROP TRIGGER statements. More...

#include <sql_trigger.h>

Inheritance diagram for Sql_cmd_ddl_trigger_common:

Public Member Functions
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
virtual enum_sql_command	sql_command_code () const =0
	Return the command code for this statement. More...
bool	needs_explicit_preparation () const
bool	is_regular () const
bool	is_prepared () const
virtual bool	prepare (THD *)
	Prepare this SQL statement. More...
virtual bool	execute (THD *thd)=0
	Execute 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_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 ()

Protected Member Functions
	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
Table_ref *	m_trigger_table {nullptr}

Detailed Description

This class has common code for CREATE/DROP TRIGGER statements.

Constructor & Destructor Documentation

Sql_cmd_ddl_trigger_common()

Sql_cmd_ddl_trigger_common::Sql_cmd_ddl_trigger_common ( )

inlineprotected

Member Function Documentation

check_trg_priv_on_subj_table()

bool Sql_cmd_ddl_trigger_common::check_trg_priv_on_subj_table ( THD *  thd, Table_ref *  table  ) const

protected

Check that the user has TRIGGER privilege on the subject table.

Parameters

thd	current thread context
table	table to check

Returns

Operation status.

Return values

false	Success
true	Failure

open_and_lock_subj_table()

TABLE * Sql_cmd_ddl_trigger_common::open_and_lock_subj_table ( THD *  thd, Table_ref *  tables, MDL_ticket **  mdl_ticket  ) const

protected

Open and lock a table associated with a trigger.

Parameters

[in]	thd	current thread context
[in]	tables	trigger's table
[out]	mdl_ticket	granted metadata lock

Returns

Opened TABLE object on success, nullptr on failure.

restore_original_mdl_state()

void Sql_cmd_ddl_trigger_common::restore_original_mdl_state ( THD *  thd, MDL_ticket *  mdl_ticket  ) const

protected

Restore original state of meta-data locks.

Parameters

thd	current thread context
mdl_ticket	granted metadata lock

set_table()

void Sql_cmd_ddl_trigger_common::set_table ( Table_ref *  trigger_table )

inline

Set a table associated with a trigger.

Parameters

trigger_table

a table associated with a trigger.

Member Data Documentation

m_trigger_table

Table_ref* Sql_cmd_ddl_trigger_common::m_trigger_table {nullptr}

protected

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

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