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Diff for /db/prgsrc/db.cgi between versions 1.128 and 1.129

version 1.128, 2004/01/10 22:52:20 version 1.129, 2004/02/08 00:35:29
Line 974  sub PrintRandom { Line 974  sub PrintRandom {
    my %q;     my %q;
    my $answer=$razd?0:1;     my $answer=$razd?0:1;
    my @answers;     my @answers;
   #my $t=time;
    my (@Questions) = &Get12Random($dbh, $type, $num);     my (@Questions) = &Get12Random($dbh, $type, $num);
         my ($output, $i) = ('', 0);  
   
           my ($output, $i) = ('', 0);
   #$output.="time=".(time-$t).p;
         if ($text) {          if ($text) {
                 $output .= "    $num случайных вопросов.\n\n";                  $output .= "    $num случайных вопросов.\n\n";
         } else {          } else {
Line 1479  sub Get12Random { Line 1481  sub Get12Random {
         srand;          srand;
         my $where=0;          my $where=0;
         my $r=int (rand(10000));          my $r=int (rand(10000));
           my $w1=$r<5000? "QuestionId<5000 ":"QuestionId>=5000";
           $w1=1 if $type!~/Ч/;
         foreach (split '', $type)          foreach (split '', $type)
         {          {
            $where.= " OR (Type ='$_') OR (Type ='$_Д') ";             $where.= " OR (Type ='$_') OR (Type ='$_Д') ";
Line 1489  sub Get12Random { Line 1492  sub Get12Random {
 #   $q="select QuestionId, QuestionId/$r-floor(QuestionId/$r) as val   #   $q="select QuestionId, QuestionId/$r-floor(QuestionId/$r) as val 
 #       from Questions where $where order by val limit $num";  #       from Questions where $where order by val limit $num";
 # Когда на куличках появится mysql >=3.23 надо заменить на order by rand();  # Когда на куличках появится mysql >=3.23 надо заменить на order by rand();
    $q="select QuestionId from Questions where $where order by rand() limit $num";     $q="select QuestionId from Questions where ($w1) AND ($where) order by rand() limit $num";
   
   
    $sth=$dbh->prepare($q);     $sth=$dbh->prepare($q);
Removed from v.1.128  
changed lines
  Added in v.1.129

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