$cols = '*, (SELECT json_agg(journal.*) FROM journal WHERE comment_id = comments.id) AS journal';
$query = $Db->query("SELECT $cols FROM comments WHERE page = ? ORDER BY created", [$Page->link]);
$cols = '*, (SELECT json_agg(journal.*) FROM journal WHERE comment_id = comments.id) AS journal';
$query = $Db->query("SELECT $cols FROM comments WHERE page = ? ORDER BY created", [$Page->link]);