charles kline <[EMAIL PROTECTED]> wrote:
> Oh I see... so how would I get balance_amt to have a running balance?
- You can calculate it in your application
- You can run an additional query
- From version 4.1.1 you can use WITH ROLLUP modifier with GROUP BY clause to get
summary info:
http://www.mysql.com/doc/en/GROUP-BY-Modifiers.html
>
> Thanks,
> Charles
>
> On Mar 3, 2004, at 11:20 AM, Victoria Reznichenko wrote:
>
>> charles kline <[EMAIL PROTECTED]> wrote:
>>> Hi all,
>>>
>>> Just trying to figure out why the SUM() in this query is not returning
>>> the sum, but is returning the same value that signed_amt contains.
>>> Anyone have a clue? Thanks for any help :)
>>>
>>> Here are the results I am getting:
>>>
>>> id | signed_amt | balance_amt | entry_dtm
>>> ---+------------+-------------+-----------
>>> 7 | -20 | -20 | 1078117200
>>> 7 | 3 | 3 | 1078263566
>>
>> SUM() function works fine in your query and it returns sum per group
>> (u.id, t.entry_dtm, and signed_amt).
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