1 files changed, 11 insertions, 4 deletions

diff --git a/extensions/TagNewUsers/Extension.pm b/extensions/TagNewUsers/Extension.pm
index b94873979..1810f204f 100644
--- a/extensions/TagNewUsers/Extension.pm
+++ b/extensions/TagNewUsers/Extension.pm
@@ -123,7 +123,9 @@ sub object_columns {
     my ($self, $args) = @_;
     my ($class, $columns) = @$args{qw(class columns)};
     if ($class->isa('Bugzilla::User')) {
-        push(@$columns, qw(comment_count creation_ts first_patch_bug_id));
+        my $dbh = Bugzilla->dbh;
+        my @new_columns = qw(comment_count creation_ts first_patch_bug_id);
+        push @$columns, grep { $dbh->bz_column_info($class->DB_TABLE, $_) } @new_columns;
     }
 }
 
@@ -131,9 +133,14 @@ sub object_before_create {
     my ($self, $args) = @_;
     my ($class, $params) = @$args{qw(class params)};
     if ($class->isa('Bugzilla::User')) {
-        my ($timestamp) = Bugzilla->dbh->selectrow_array("SELECT NOW()");
-        $params->{comment_count} = 0;
-        $params->{creation_ts} = $timestamp;
+        my $dbh = Bugzilla->dbh;
+        my ($timestamp) = $dbh->selectrow_array("SELECT NOW()");
+        if ($dbh->bz_column_info($class->DB_TABLE, 'comment_count')) {
+            $params->{comment_count} = 0;
+        }
+        if ($dbh->bz_column_info($class->DB_TABLE, 'creation_ts')) {
+            $params->{creation_ts} = $timestamp;
+        }
     } elsif ($class->isa('Bugzilla::Attachment')) {
         if ($params->{ispatch} && !Bugzilla->user->first_patch_bug_id) {
             Bugzilla->user->first_patch_bug_id($params->{bug}->id);