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MySQL 5.1: Item_num Class Reference

Item_num Class Reference

#include <item.h>

Inheritance diagram for Item_num:

Inheritance graph
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Collaboration diagram for Item_num:

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List of all members.

Public Member Functions

 Item_num ()
virtual Item_num * neg ()=0
Item * safe_charset_converter (CHARSET_INFO *tocs)
bool check_partition_func_processor (byte *bool_arg)

Detailed Description

Definition at line 1150 of file item.h.

Constructor & Destructor Documentation

Item_num::Item_num (  )  [inline]

Definition at line 1153 of file item.h.

01153 {}                               /* Remove gcc warning */

Member Function Documentation

bool Item_num::check_partition_func_processor ( byte *  bool_arg  )  [inline, virtual]

Reimplemented from Item.

Reimplemented in Item_static_float_func, Item_return_int, and Item_int_with_ref.

Definition at line 1156 of file item.h.

01156 { return 0;}

virtual Item_num* Item_num::neg (  )  [pure virtual]

Implemented in Item_int, Item_uint, Item_decimal, and Item_float.

Item * Item_num::safe_charset_converter ( CHARSET_INFO *  tocs  )  [virtual]

Reimplemented from Item.

Reimplemented in Item_static_float_func.

Definition at line 653 of file item.cc.

References buf, String::charset(), String::copy(), String::length(), String::mark_as_const(), my_charset_bin, String::ptr(), Item::str_value, and Item::val_str().

00654 {
00655   Item_string *conv;
00656   char buf[64];
00657   String *s, tmp(buf, sizeof(buf), &my_charset_bin);
00658   s= val_str(&tmp);
00659   if ((conv= new Item_string(s->ptr(), s->length(), s->charset())))
00660   {
00661     conv->str_value.copy();
00662     conv->str_value.mark_as_const();
00663   }
00664   return conv;
00665 }

Here is the call graph for this function:

The documentation for this class was generated from the following files:
Generated on Sat Sep 9 21:51:49 2006 for MySQL 5.1 by  doxygen 1.4.7