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MySQL 5.1: Item_direct_ref Class Reference

Item_direct_ref Class Reference

#include <item.h>

Inheritance diagram for Item_direct_ref:

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Collaboration diagram for Item_direct_ref:

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List of all members.

Public Member Functions

 Item_direct_ref (Name_resolution_context *context_arg, Item **item, const char *table_name_arg, const char *field_name_arg)
 Item_direct_ref (THD *thd, Item_direct_ref *item)
double val_real ()
longlong val_int ()
String * val_str (String *tmp)
my_decimal * val_decimal (my_decimal *)
bool val_bool ()
bool is_null ()
bool get_date (TIME *ltime, uint fuzzydate)
virtual Ref_Type ref_type ()

Detailed Description

Definition at line 1956 of file item.h.

Constructor & Destructor Documentation

Item_direct_ref::Item_direct_ref ( Name_resolution_context *  context_arg,
Item **  item,
const char *  table_name_arg,
const char *  field_name_arg 
) [inline]

Definition at line 1959 of file item.h.

01962     :Item_ref(context_arg, item, table_name_arg, field_name_arg) {}

Item_direct_ref::Item_direct_ref ( THD *  thd,
Item_direct_ref *  item 
) [inline]

Definition at line 1964 of file item.h.

01964 : Item_ref(thd, item) {}

Member Function Documentation

bool Item_direct_ref::get_date ( TIME *  ltime,
uint  fuzzydate 
) [virtual]

Reimplemented from Item_ref.

Definition at line 5216 of file item.cc.

References Item::null_value.

05217 {
05218   return (null_value=(*ref)->get_date(ltime,fuzzydate));
05219 }

bool Item_direct_ref::is_null (  )  [virtual]

Reimplemented from Item_ref.

Definition at line 5210 of file item.cc.

05211 {
05212   return (*ref)->is_null();
05213 }

virtual Ref_Type Item_direct_ref::ref_type (  )  [inline, virtual]

Reimplemented from Item_ref.

Reimplemented in Item_direct_view_ref.

Definition at line 1973 of file item.h.

References Item_ref::DIRECT_REF.

01973 { return DIRECT_REF; }

bool Item_direct_ref::val_bool (  )  [virtual]

Reimplemented from Item_ref.

Definition at line 5202 of file item.cc.

References Item::null_value.

05203 {
05204   bool tmp= (*ref)->val_bool();
05205   null_value=(*ref)->null_value;
05206   return tmp;
05207 }

my_decimal * Item_direct_ref::val_decimal ( my_decimal *   )  [virtual]

Reimplemented from Item_ref.

Definition at line 5194 of file item.cc.

References Item::null_value.

05195 {
05196   my_decimal *tmp= (*ref)->val_decimal(decimal_value);
05197   null_value=(*ref)->null_value;
05198   return tmp;
05199 }

longlong Item_direct_ref::val_int (  )  [virtual]

Reimplemented from Item_ref.

Definition at line 5178 of file item.cc.

References Item::null_value.

05179 {
05180   longlong tmp=(*ref)->val_int();
05181   null_value=(*ref)->null_value;
05182   return tmp;
05183 }

double Item_direct_ref::val_real (  )  [virtual]

Reimplemented from Item_ref.

Definition at line 5170 of file item.cc.

References Item::null_value.

05171 {
05172   double tmp=(*ref)->val_real();
05173   null_value=(*ref)->null_value;
05174   return tmp;
05175 }

String * Item_direct_ref::val_str ( String *  tmp  )  [virtual]

Reimplemented from Item_ref.

Definition at line 5186 of file item.cc.

References Item::null_value.

05187 {
05188   tmp=(*ref)->val_str(tmp);
05189   null_value=(*ref)->null_value;
05190   return tmp;
05191 }

The documentation for this class was generated from the following files:
Generated on Sat Sep 9 21:22:37 2006 for MySQL 5.1 by  doxygen 1.4.7