users can use any id in query (like an auto -a)

lib/utils/id.pm

@@ -80,7 +80,12 @@ sub _get_from_offset {
 sub _test_if_exists {
     my ($index, $chan) = @_;
 
-    my $sth = $dbh->prepare('
+    my $sth;
+
+    # in query, we don't check chan
+    # this means that a user can indicate any id in query
+    if ($chan =~ /^#/) {
+         $sth = $dbh->prepare('
             SELECT content
             FROM playbot_chan
             WHERE content = ?
@@ -88,6 +93,20 @@ sub _test_if_exists {
             LIMIT 1
         ');
 
+        $sth->execute($index, $chan)
+            or $log->error("Couldn't finish transaction: " . $dbh->errstr);
+    } else {
+        $sth = $dbh->prepare('
+            SELECT content
+            FROM playbot_chan
+            WHERE content = ?
+            LIMIT 1
+        ');
+
+        $sth->execute($index)
+            or $log->error("Couldn't finish transaction: " . $dbh->errstr);
+    }
+
     $sth->execute($index, $chan)
         or $log->error("Couldn't finish transaction: " . $dbh->errstr);