mysql query rounding incorrectly - adding 1 cent

[dkmarsh99]

HI. I have written a mysql database query to add up invoice totals. It seems to be automatilaly adding .01 to the result when I run a group by. Let me explain more ..

 

When I do a select on the field that I am adding up the result is $132.25 - the query is as follows

select ttl_invoice_due from 65_it where st_id = 96011;

 

When I run the following query that uses sum and group by - the $132.25 becomes $132.26 - the sum query is

 

SELECT 65_st.job_compid, 65_client.uid_client,  65_client.comp_name, Sum(65_it.ttl_invoice_due) AS SumOftotal_due, Sum(65_it.ttl_invoice) AS SumOftotal_invoice, Sum(65_it.ttl_invoice_payments) AS SumOftotal_amnt_paid FROM 65_client INNER JOIN (65_st INNER JOIN 65_it ON 65_st.st_id = 65_it.st_id) ON 65_client.uid_client = 65_st.uid_client WHERE   65_st.uid_client = 1905 and 65_st.job_compid = 1 and 65_st.sales_date<=curdate() GROUP BY 65_st.job_compid, 65_client.uid_client HAVING (((Sum(65_it.ttl_invoice_due))<>0)) order by 65_client.comp_name;

 

The 65_it.ttl_invoice_due field is defined in the table as Double(12,2)

 

I dont know why the sum is returing $132.26 where it should be $132.25 as in the simple query ?.

 

 

 

 

 

 

[Barand]

Use DECIMAL type for currency

 

 

 

The DECIMAL and NUMERIC types store exact numeric data values. These types are used when it is important to preserve exact precision, for example with monetary data.