Item_maxmin_subselect Class Reference

Inheritance diagram for Item_maxmin_subselect:

List of all members.

Public Member Functions
	Item_maxmin_subselect (THD *thd, Item_subselect *parent, st_select_lex *select_lex, bool max, bool ignore_nulls)
virtual void	print (String *str, enum_query_type query_type)
virtual void	cleanup ()
bool	any_value ()
void	register_value ()
void	reset_value_registration ()
Protected Attributes
bool	max
bool	was_values

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Member Function Documentation

void Item_maxmin_subselect::print	(	String *	str,
		enum_query_type	query_type
	)		[virtual]

This method is used for to:

• to generate a view definition query (SELECT-statement);
• to generate a SQL-query for EXPLAIN EXTENDED;
• to generate a SQL-query to be shown in INFORMATION_SCHEMA;
• debug.

For more information about view definition query, INFORMATION_SCHEMA query and why they should be generated from the Item-tree,

See also:

mysql_register_view().

Reimplemented from Item_subselect.

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

• item_subselect.h
• item_subselect.cc