X-Git-Url: https://code.th-h.de/?p=usenet%2Fnewsstats.git;a=blobdiff_plain;f=lib%2FNewsStats.pm;h=efcc7c07d73a3504d109c0dd32cb44abda010cbc;hp=a3676d00cc8925b27164b87c765804671bb23f11;hb=b5ef5726643df214528dac1a13a1829bd8b4ab48;hpb=8dc6823e988b8828454f6ef1ea2b43e3e0cc5a20;ds=sidebyside

diff --git a/lib/NewsStats.pm b/lib/NewsStats.pm
index a3676d0..efcc7c0 100644
--- a/lib/NewsStats.pm
+++ b/lib/NewsStats.pm
@@ -49,8 +49,8 @@ require Exporter;
                  Output      => [qw(OutputData FormatOutput)],
                  SQLHelper   => [qw(SQLHierarchies SQLSortOrder SQLGroupList
                                  SQLSetBounds SQLBuildClause GetMaxLength)]);
-$VERSION = '0.01';
-our $PackageVersion = '0.01';
+$VERSION = '0.02';
+our $PackageVersion = '0.02';
 
 use Data::Dumper;
 use File::Basename;
@@ -80,7 +80,7 @@ sub ShowVersion {
 ################################################################################
 ### display version and exit
   print "NewsStats v$PackageVersion\n$MyVersion\n";
-  print "Copyright (c) 2010-2012 Thomas Hochstein <thh\@inter.net>\n";
+  print "Copyright (c) 2010-2013 Thomas Hochstein <thh\@inter.net>\n";
   print "This program is free software; you may redistribute it ".
         "and/or modify it under the same terms as Perl itself.\n";
   exit(100);
@@ -674,7 +674,7 @@ sub SQLSetBounds {
 ### OUT: SQL code to become part of a WHERE or HAVING clause
   my ($Type,$LowBound,$UppBound) = @_;
   ($LowBound,$UppBound) = SQLCheckNumber($LowBound,$UppBound);
-  if($LowBound and $UppBound and $LowBound > $UppBound) {
+  if($LowBound and defined($UppBound) and $LowBound > $UppBound) {
     &Bleat(1,"Lower boundary $LowBound is larger than Upper boundary ".
              "$UppBound, exchanging boundaries.");
     ($LowBound,$UppBound) = ($UppBound,$LowBound);
@@ -690,7 +690,7 @@ sub SQLSetBounds {
   } elsif ($Type eq 'sum') {
     $WhereHavingFunction = 'SUM(postings)'
   }
-  $LowBound = sprintf('%s >= '.$LowBound,$WhereHavingFunction) if ($LowBound);
+  $LowBound = sprintf('%s >= '.$LowBound,$WhereHavingFunction) if defined($LowBound);
   # set $LowBound to SQL statement:
   # 'WHERE postings <=', 'HAVING MAX(postings) <=' or 'HAVING AVG(postings) <='
   if ($Type eq 'level') {
@@ -700,7 +700,7 @@ sub SQLSetBounds {
   } elsif ($Type eq 'sum') {
     $WhereHavingFunction = 'SUM(postings)'
   }
-  $UppBound = sprintf('%s <= '.$UppBound,$WhereHavingFunction) if ($UppBound);
+  $UppBound = sprintf('%s <= '.$UppBound,$WhereHavingFunction) if defined($UppBound);
   return ($LowBound,$UppBound);
 };