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Item_user_var_as_out_param Class Reference
Inheritance diagram for Item_user_var_as_out_param:

List of all members.

Public Member Functions

 Item_user_var_as_out_param (Name_string a)
enum Type type () const
double val_real ()
longlong val_int ()
Stringval_str (String *str)
my_decimalval_decimal (my_decimal *decimal_buffer)
bool get_date (MYSQL_TIME *ltime, uint fuzzydate)
bool get_time (MYSQL_TIME *ltime)
bool fix_fields (THD *thd, Item **ref)
virtual void print (String *str, enum_query_type query_type)
void set_null_value (const CHARSET_INFO *cs)
void set_value (const char *str, uint length, const CHARSET_INFO *cs)

Member Function Documentation

void Item_user_var_as_out_param::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:

Reimplemented from Item.

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