Inheritance diagram for Explain_union_result:

Collaboration diagram for Explain_union_result:

Public Member Functions
	Explain_union_result (THD thd_arg, JOIN join_arg)
Public Member Functions inherited from Explain
bool	send ()

Protected Member Functions
virtual bool	explain_id ()
virtual bool	explain_table_name ()
virtual bool	explain_join_type ()
virtual bool	explain_extra ()
Protected Member Functions inherited from Explain
	Explain (Explain_context_enum context_type_arg, THD thd_arg, JOIN join_arg=NULL)
virtual bool	shallow_explain ()
bool	explain_subqueries (select_result *result)
bool	mark_subqueries (Item item, qep_row destination, Explain_context_enum type)
bool	mark_order_subqueries (const JOIN::ORDER_with_src &order)
bool	prepare_columns ()
bool	describe (uint8 mask) const
SELECT_LEX *	select_lex () const
bool	prepare (select_result *result)
bool	push_extra (Extra_tag tag)
bool	push_extra (Extra_tag tag, const String &arg)
bool	push_extra (Extra_tag tag, const char *arg)
virtual bool	explain_select_type ()
virtual bool	explain_partitions ()
virtual bool	explain_possible_keys ()
virtual bool	explain_key_and_len ()
virtual bool	explain_ref ()
virtual bool	explain_rows_and_filtered ()
virtual bool	explain_modify_flags ()

Additional Inherited Members
Protected Attributes inherited from Explain
THD *const	thd
	cached THD pointer
const CHARSET_INFO *const	cs
	cached pointer to system_charset_info
JOIN *const	join
	top-level JOIN (if any) provided by caller
select_result *const	external_result
	stream (if any) provided by caller
Explain_format *const	fmt
	shortcut for thd->lex->explain_format
Explain_context_enum	context_type
	associated value for struct. explain
JOIN::ORDER_with_src	order_list
JOIN::ORDER_with_src	group_list

Detailed Description

Explain_union_result class outputs EXPLAIN row for UNION

Definition at line 270 of file opt_explain.cc.

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

Public Member Functions