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MySQL 5.1: Item_func_encode Class Reference

Item_func_encode Class Reference

#include <item_strfunc.h>

Inheritance diagram for Item_func_encode:

[legend]Collaboration diagram for Item_func_encode:

[legend]List of all members.


Public Member Functions
	Item_func_encode (Item a, char seed)
String *	val_str (String *)
void	fix_length_and_dec ()
const char *	func_name () const
Protected Attributes
SQL_CRYPT	sql_crypt

Detailed Description

Definition at line 347 of file item_strfunc.h.

Constructor & Destructor Documentation

Item_func_encode::Item_func_encode	(	Item *	a,
		char *	seed
	)			`[inline]`

Definition at line 352 of file item_strfunc.h.

00352                                        :
00353     Item_str_func(a),sql_crypt(seed) {}
  String *val_str(String *);

Member Function Documentation

void Item_func_encode::fix_length_and_dec ( ) [virtual]

Implements Item_result_field.

Definition at line 1618 of file item_strfunc.cc.

References Item_func::args, Item::collation, Item::max_length, Item::maybe_null, my_charset_bin, and DTCollation::set().

01619 {
01620   max_length=args[0]->max_length;
01621   maybe_null=args[0]->maybe_null;
01622   collation.set(&my_charset_bin);
01623 }

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const char* Item_func_encode::func_name ( ) const [inline, virtual]

Implements Item_func.

Reimplemented in Item_func_decode.

Definition at line 356 of file item_strfunc.h.

00356 { return "encode"; }

String * Item_func_encode::val_str ( String * ) [virtual]

Implements Item.

Reimplemented in Item_func_decode.

Definition at line 1625 of file item_strfunc.cc.

References Item_func::args, copy_if_not_alloced(), DBUG_ASSERT, SQL_CRYPT::encode(), Item::fixed, SQL_CRYPT::init(), String::length(), my_charset_bin, Item::null_value, String::ptr(), String::set_charset(), and sql_crypt.

01626 {
01627   DBUG_ASSERT(fixed == 1);
01628   String *res;
01629   if (!(res=args[0]->val_str(str)))
01630   {
01631     null_value=1; /* purecov: inspected */
01632     return 0; /* purecov: inspected */
01633   }
01634   null_value=0;
01635   res=copy_if_not_alloced(str,res,res->length());
01636   sql_crypt.init();
01637   sql_crypt.encode((char*) res->ptr(),res->length());
01638   res->set_charset(&my_charset_bin);
01639   return res;
01640 }

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Member Data Documentation

SQL_CRYPT Item_func_encode::sql_crypt [protected]

Definition at line 350 of file item_strfunc.h.

Referenced by Item_func_decode::val_str(), and val_str().

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

mysql/src/5.1-dbg/sql/item_strfunc.h
mysql/src/5.1-dbg/sql/item_strfunc.cc

Generated on Sat Sep 9 21:30:36 2006 for MySQL 5.1 by

1.4.7