Consultas por franja horaria

[orodriguezca]

Propongo esta solución (debería funcionar en la mayoría de motores de bases de datos):

Código SQL [-]
with VentasxHora as (
  select 
    sum(total) as venta, 
    EXTRACT(hour FROM fecha) as hora,
    case
       when Extract(hour from fecha) < '12:00' then 'Franja 1'
       when Extract(hour from fecha) < '17:00' then 'Franja 2'
       when Extract(hour from fecha) >= '18:00' then 'Franja 3'
       else 'Franja XX'
    end as Franja 
  from documentos
  where (COBRADO) 
   and not borrado 
   and not invitado
   and cast(fecha as date) =:fecha
  group by hora
)
select 
  Franja, 
  Sum(ventas) as ventasxfranja
from ventasxhora
group by Franja