Hi Nora,
On Monday 25 October 2010 10:05:05 HACKER Nora wrote:
> Hi list,
>
> I have a sql package which returns a value after execution. I figured
> out that, when calling this package from Perl, I need a bind parameter
> (http://search.cpan.org/~timb/DBI-1.615/DBI.pm#bind_param_inout) that
> this return can be saved into so that I can use it afterwards in my Perl
> program. Is my assumption correct? If so, could please somebody explain
> to me how to do that? I read the passage from the above URL again and
> again but I just don't get it :-/ What is $p_num? What is the
> \$bind_value? And of which unit is $max_len?
1. $p_num is the position of the parameter in the query string (the index of
the "?" which you put there.).
2. $bind_value is the variable where you want to supply and receive the value.
You need to take a reference to it so it can be modified.
3. $max_len is the maximal amount of memory (in bytes likely) that should be
allocated for the value to be stored.
Regards,
Shlomi Fish
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