Item_static_string_func Class Reference

Inheritance diagram for Item_static_string_func:

List of all members.

Public Member Functions
	Item_static_string_func (const Name_string &name_par, const char *str, uint length, const CHARSET_INFO *cs, Derivation dv=DERIVATION_COERCIBLE)
Item *	safe_charset_converter (const CHARSET_INFO *tocs)
virtual void	print (String *str, enum_query_type query_type)
bool	check_partition_func_processor (uchar *int_arg)

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Member Function Documentation

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

See also:

enum_query_type. For us to be able to print a query (in debugging, optimizer trace, EXPLAIN EXTENDED) without changing the query's result, this function must not modify the item's content. Not even a realloc() of str_value is permitted: Item_func_concat/repeat/encode::val_str() depend on the allocated length; a change of this length can influence results of CONCAT(), REPEAT(), ENCODE()...

Reimplemented from Item_string.

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

• item.h
• item.cc