Greetings all,
one rather hokey/simple solution might be to declare the default values in a hash then validate your input rows before you execute the statement handle. 
#set your defaults for the table in question
my %defaults = ('col1'=>'col1_default_value','col2'=>'col2_default_val
+ue'...);#you get the idea.

#your data set
my @to_insert = (
      { 'A' => 1, 'B' => 1 },
      { 'B' => 2 },
      { 'A' => 3 },
);

#clean it up for the statement handle
foreach my $rec (@to_insert){##each record to be inserted
    foreach my $key (keys %defaults){##each field in the record
        unless(defined $rec->{$key}){
            $rec->{$key} = $defaults{$key};
        }
    }
}

[download]
A bit cheesey I know but I hope that helps.
-injunjoel
Side-Thought: Have you tried inserting a "" or '' for a bound column to see if the default value gets inserted?

In reply to Re: DBI bind params & column defaults by injunjoel
in thread DBI bind params & column defaults by shemp

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.