Item_func_signed Class Reference

Inheritance diagram for Item_func_signed:

List of all members.

Public Member Functions
	Item_func_signed (Item *a)
const char *	func_name () const
longlong	val_int ()
longlong	val_int_from_str (int *error)
void	fix_length_and_dec ()
virtual void	print (String *str, enum_query_type query_type)
uint	decimal_precision () const

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Member Function Documentation

void Item_func_signed::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_func.

Reimplemented in Item_func_unsigned.

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

• item_func.h
• item_func.cc