Well that works fine, but I want to put a $ sign in front of every
dollar amount. I will do that but I'm not there yet.
Karl
C.R.Vegelin wrote:
> Hi Karl,
>
> Your question: can I add a $ when you select a view.
> I suggest to include $ sign in the field alias, like:
> Select title_id, ytd_sales * price AS `Turnover $` From titles;
>
> HTH, Cor
>
>
> ----- Original Message ----- From: "Karl Larsen" <k5di@stripped>
> To: "Chris W" <2wsxdr5@stripped>
> Cc: "MYSQL General List" <mysql@stripped>
> Sent: Thursday, June 22, 2006 10:04 PM
> Subject: Re: Math problem
>
>
>> Chris W wrote:
>>> Karl Larsen wrote:
>>>
>>>> I'm trying to multiply numbers one of which is money. The money
>>>> looks like this:
>>>>
>>>> SELECT price FROM titles;
>>>>
>>>> | price |
>>>> +--------+
>>>> | $20.00 |
>>>> | $19.99 |
>>>> | $7.99 |
>>>> | $19.99 |
>>>> | $11.95 |
>>>> | $19.99 |
>>>> | $14.99 |
>>>> | $11.95 |
>>>> | $22.95 |
>>>> | $2.99 |
>>>> | $10.95 |
>>>> | $7.00 |
>>>> | $2.99 |
>>>> | $20.95 |
>>>> | NULL |
>>>> | $19.99 |
>>>> | $21.59 |
>>>> | NULL |
>>>> +--------+
>>>> 18 rows in set (0.01 sec)
>>>>
>>>> When I use SELECT title_id, ytd_sales * price From titles;
>>>>
>>>> I get:
>>>> | title_id | ytd_sales | price * ytd_sales |
>>>> +----------+-----------+-------------------+
>>>> | PC8888 | 4095 | 0 |
>>>> | BU1032 | 4095 | 0 |
>>>> | PS7777 | 3336 | 0 |
>>>> | PS3333 | 4072 | 0 |
>>>> | BU1111 | 3876 | 0 |
>>>> | MC2222 | 2032 | 0 |
>>>> | TC7777 | 4095 | 0 |
>>>> | TC4203 | 15096 | 0 |
>>>> | PC1035 | 8780 | 0 |
>>>> | BU2075 | 18722 | 0 |
>>>> | PS2091 | 2045 | 0 |
>>>> | PS2106 | 111 | 0 |
>>>> | MC3021 | 22246 | 0 |
>>>> | TC3218 | 375 | 0 |
>>>> | MC3026 | NULL | NULL |
>>>> | BU7832 | 4095 | 0 |
>>>> | PS1372 | 375 | 0 |
>>>> | PC9999 | NULL | NULL |
>>>> +----------+-----------+-------------------+
>>>> 18 rows in set (0.04 sec)
>>>>
>>>> It appears that mysys 4.1 does not know how to multiply a dollar
>>>> amount to another number. Has anyone else seen this problem?
>>>>
>>>
>>> What does a show create table give for the price column? I bet it
>>> is varchar. The only way to make it work then would be to trim off
>>> the dollar sign and cast it to a float or double.
>>>
>> It's a char(20) and NULL in the table titles. I removed the $ and
>> reloaded and it now works properly. I suspect an ealier version of
>> mysql had some way to do this. I'm learning that you store a simple
>> number. But you can add a $ when you select a view.
>>
>> Karl
>>
>>
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>>
>>
>
>
>
