$dbh->{AutoCommit} = 0; 
  $dbh->{RaiseError} = 1;

  my $id = 737;

  my $rows;
  if (!eval {
      my $sql = "UPDATE stockhistory SET invoiced = 1 WHERE id = ?";
      my $sth = $dbh->prepare($sql);
      $rows = $sth->execute($id);
      $dbh->commit();
      1
  }) {
      print "Transaction aborted because $@";
      $dbh->rollback();
  }

  die("Record $id not found") if $rows < 1;

[download]

Note: Can't check if $rows is true since "0E0" (equal to zero but true) is returned when no rows are affected.

In reply to Re^3: Eval not working by ikegami
in thread Eval not working by DooDah

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.