All the numeric types are returned as strings. If you want to convert
them to numbers, you need
to use scanf or atod type functions.
Michael Flora wrote:
> Hello all, this is my first post to this list. I am relatively new to
> MySQL, and my question might be a basic one.
>
> I have a table that contains both character and binary data. I am
> reading rows from the table using the function mysql_fetch rows() in a
> C program. I can obtain character data all right, but I cannot obtain
> the values of binary data stored in the table as type DOUBLE. My code
> looks like this:
>
> double dnum;
> .
> .
> .
> row = mysql_fetch_rows(result);
>
> dnum = *row[1]; /* The data is stored in the 2nd column of the
> table */
>
> printf("%10.2f",dnum);
>
> When I execute this I get junk. I know from inspection that there are
> good values in the table. What am I doing wrong?
>
> Thanks for any advice,
> Michael Flora
>
>
>
>
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