another problematic query on 9.3

SELECT tic_cab.fecha,

       COUNT(DISTINCT(tic_cab.ticket_id))::int AS operaciones,
       SUM(tic_lin.unidades)::int AS unidades,
       SUM( (tic_lin.total_linea / nullif((1.0 + (tic_lin.iva::numeric / 100.0)), 0.0))::numeric(20,2) ) AS total,

       SUM( (COALESCE(tic_lin.rentabilidad_oferta, tic_lin.total_linea)
             / nullif((1.0 + (tic_lin.iva::numeric / 100.0)), 0.0))::numeric(20,2) ) AS rent_total

FROM t001.ticket_cabecera AS tic_cab
   JOIN t001.ticket_linea AS tic_lin ON tic_lin.id_ticket = tic_cab.ticket_id
   JOIN articulo AS art ON art.articulo_id = tic_lin.id_articulo
   JOIN modelo AS mo ON mo.modelo_id = art.id_modelo

   LEFT JOIN (SELECT sdev.id_ticket,
                     lin.id_linea
              FROM devolucion_cabecera sdev
                JOIN devolucion_linea lin ON lin.id_devolucion = sdev.devolucion_id
              WHERE sdev.id_tienda = 001
                AND lin.documento_origen_tipo = 'RESERVA') devres ON devres.id_ticket = tic_lin.id_ticket
                                                                 AND devres.id_linea = tic_lin.linea_id


WHERE fecha BETWEEN '2014-05-19' AND '2014-05-19'
   AND devres IS NULL

GROUP BY tic_cab.fecha