X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FForm.pm;h=8f25bb9bb763d97524fdeff86cda956ecde57ce5;hb=ba233a63330839f96a92a8001e13f7e1e120f7d5;hp=c13422264806f5daed40aa5689cc7d28cb10cf97;hpb=6ff01fdb61880344c2826c86955ef4c1e8f47db4;p=kivitendo-erp.git

diff --git a/SL/Form.pm b/SL/Form.pm
index c13422264..8f25bb9bb 100644
--- a/SL/Form.pm
+++ b/SL/Form.pm
@@ -3245,6 +3245,19 @@ sub update_defaults {
   return $var;
 }
 
+=item update_business
+
+PARAMS (not named):
+ \%config,     - config hashref
+ $business_id, - business id
+ $dbh          - optional database handle
+
+handles business (thats customer/vendor types) sequences.
+
+special behaviour for empty strings in customerinitnumber field:
+will in this case not increase the value, and return undef.
+
+=cut
 sub update_business {
   $main::lxdebug->enter_sub();
 
@@ -3261,6 +3274,8 @@ sub update_business {
        WHERE id = ? FOR UPDATE|;
   my ($var) = selectrow_query($self, $dbh, $query, $business_id);
 
+  return undef unless $var;
+
   if ($var =~ m/\d+$/) {
     my $new_var  = (substr $var, $-[0]) * 1 + 1;
     my $len_diff = length($var) - $-[0] - length($new_var);