MySQL

Development Platform:
Visual C++

func_crypt.result：Code Content
							drop table if exists t1;
select length(encrypt('foo', 'ff')) <> 0;
length(encrypt('foo', 'ff')) <> 0
1
create table t1 (name varchar(50), pw varchar(64));
insert into t1 values ('tom', password('my_pass'));
set @pass='my_pass';
select name from t1 where name='tom' and pw=password(@pass);
name
tom
select name from t1 where name='tom' and pw=password(@undefined);
name
drop table t1;
select password('abc');
password('abc')
*0D3CED9BEC10A777AEC23CCC353A8C08A633045E
select password('');
password('')
select old_password('abc');
old_password('abc')
7cd2b5942be28759
select old_password('');
old_password('')
select password('gabbagabbahey');
password('gabbagabbahey')
*B0F99D2963660DD7E16B751EC9EE2F17B6A68FA6
select old_password('idkfa');
old_password('idkfa')
5c078dc54ca0fcca
select length(password('1'));
length(password('1'))
41
select length(encrypt('test'));
length(encrypt('test'))
13
select encrypt('test','aa');
encrypt('test','aa')
aaqPiZY5xR5l.
select old_password(NULL);
old_password(NULL)
NULL
select password(NULL);
password(NULL)
NULL
set global old_passwords=on;
select password('');
password('')
select old_password('');
old_password('')
select password('idkfa');
password('idkfa')
*B669C9DAC3AA6F2254B03CDEF8DFDD6B2D1054BA
select old_password('idkfa');
old_password('idkfa')
5c078dc54ca0fcca
set old_passwords=on;
select password('idkfa');
password('idkfa')
5c078dc54ca0fcca
select old_password('idkfa');
old_password('idkfa')
5c078dc54ca0fcca
set global old_passwords=off;
select password('idkfa');
password('idkfa')
5c078dc54ca0fcca
select old_password('idkfa');
old_password('idkfa')
5c078dc54ca0fcca
set old_passwords=off;
select password('idkfa ');
password('idkfa ')
*2DC31D90647B4C1ABC9231563D2236E96C9A2DB2
select password('idkfa');
password('idkfa')
*B669C9DAC3AA6F2254B03CDEF8DFDD6B2D1054BA
select password(' idkfa');
password(' idkfa')
*12B099E56BB7FE8D43C78FD834A9D1D11178D045
select old_password('idkfa');
old_password('idkfa')
5c078dc54ca0fcca
select old_password(' i 	 d k f a ');
old_password(' i 	 d k f a ')
5c078dc54ca0fcca
explain extended select password('idkfa '), old_password('idkfa');
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select password(_latin1'idkfa ') AS `password('idkfa ')`,old_password(_latin1'idkfa') AS `old_password('idkfa')`
select encrypt('1234','_.');
encrypt('1234','_.')
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