THD::Query_plan Class Reference

Query plan for EXPLAINable commands, should be locked with LOCK_query_plan before using. More...

#include <sql_class.h>

Public Member Functions
void	assert_plan_is_locked_if_other () const
	Asserts that current_thd has locked this plan, if it does not own it. More...
	Query_plan (THD *thd_arg)
void	set_query_plan (enum_sql_command sql_cmd, LEX *lex_arg, bool ps)
	Set query plan. More...
enum_sql_command	get_command () const
LEX *	get_lex () const
Modification_plan const *	get_modification_plan () const
bool	is_ps_query () const
bool	is_single_table_plan () const
void	set_modification_plan (Modification_plan *plan_arg)

Private Member Functions
	Query_plan (const Query_plan &)
	not defined More...
Query_plan &	operator= (const Query_plan &)
	not defined More...

Private Attributes
THD *const	thd
enum_sql_command	sql_command
	Original sql_command;. More...
LEX *	lex
	LEX of topmost statement. More...
const Modification_plan *	modification_plan
	Query plan for UPDATE/DELETE/INSERT/REPLACE. More...
bool	is_ps
	True if query is run in prepared statement. More...

Detailed Description

Query plan for EXPLAINable commands, should be locked with LOCK_query_plan before using.

Constructor & Destructor Documentation

Query_plan() [1/2]

THD::Query_plan::Query_plan ( const Query_plan &  )

explicitprivate

not defined

Query_plan() [2/2]

THD::Query_plan::Query_plan ( THD *  thd_arg )

inlineexplicit

Member Function Documentation

assert_plan_is_locked_if_other()

void THD::Query_plan::assert_plan_is_locked_if_other

(

)

const

Asserts that current_thd has locked this plan, if it does not own it.

get_command()

enum_sql_command THD::Query_plan::get_command ( ) const

inline

get_lex()

LEX * THD::Query_plan::get_lex ( ) const

inline

get_modification_plan()

Modification_plan const * THD::Query_plan::get_modification_plan ( ) const

inline

is_ps_query()

bool THD::Query_plan::is_ps_query ( ) const

inline

is_single_table_plan()

bool THD::Query_plan::is_single_table_plan

(

)

const

operator=()

Query_plan & THD::Query_plan::operator= ( const Query_plan &  )

private

not defined

set_modification_plan()

void THD::Query_plan::set_modification_plan

(

Modification_plan *

plan_arg

)

set_query_plan()

void THD::Query_plan::set_query_plan	(	enum_sql_command	sql_cmd,
		LEX *	lex_arg,
		bool	ps
	)

Set query plan.

Note

This function takes THD::LOCK_query_plan mutex.

Member Data Documentation

is_ps

bool THD::Query_plan::is_ps

private

True if query is run in prepared statement.

lex

LEX* THD::Query_plan::lex

private

LEX of topmost statement.

modification_plan

const Modification_plan* THD::Query_plan::modification_plan

private

Query plan for UPDATE/DELETE/INSERT/REPLACE.

sql_command

enum_sql_command THD::Query_plan::sql_command

private

Original sql_command;.

thd

THD* const THD::Query_plan::thd

private

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

• sql/sql_class.h
• sql/sql_class.cc