Trying to add things to an array , but it has blank spaces

[FLAHERTY, JIM-CONT]

Hello, It seams I am sucessfully adding numbers to my array , but in turn
tey are blank spaces. I need Help 

My code 



$dbh =DBI ->connect($data_source, $username, $password) or die "cant connect
to
$data_source : my $dbh-> errstr\n";
my $sth1 = $dbh -> prepare("select num from tests where subject = '$test'
");
$sth1 -> execute or die " unable to execute query ";
#$sth1 -> finish;


   $count1 = 0;
  my $array_ref = $sth1->fetchall_arrayref();

  foreach $row(@$array_ref){

     $num = $row[0];

     push(@numbers, $num);
        $count1++;
      }





thanks You 
Jim




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