Item_case_expr Class Reference

Inheritance diagram for Item_case_expr:

List of all members.

Public Member Functions
	Item_case_expr (uint case_expr_id)
Item *	this_item ()
const Item *	this_item () const
Item **	this_item_addr (THD *thd, Item **)
enum Type	type () const
Item_result	result_type () const
virtual void	print (String *str, enum_query_type query_type)

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Member Function Documentation

void Item_case_expr::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.

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

• item.h
• item.cc