query on sql server - sql

Question

I have the following query
SELECT
A.IdDepartment,
A.IdParent,
A.Localidad,
A.Codigo,
A.Nombre,
A.Departamento,
A.Fecha,
A.[Registro Entrada],
A.[Registro Salida],
CASE
WHEN (SELECT IdUser FROM Exception WHERE IdUser = A.Codigo) <> ''
THEN(SELECT Description FROM Exception WHERE IdUser = A.Codigo AND A.Fecha BETWEEN BeginingDate AND EndingDate)
ELSE ('Ausente')
END AS Novedades
FROM VW_HORARIOS A
WHERE A.[Registro Entrada] = A.[Registro Salida]
GROUP BY A.IdDepartment,A.IdParent, A.Localidad, A.Codigo, A.Nombre, A.Departamento, A.Fecha, A.[Registro Entrada],A.[Registro Salida]
ORDER BY A.Fecha
the query performs the following selects all the records placed in the following query, what I want to validate is the following if on a date there was no record I want to create it but I do not know how to create that record because it does not exist, if someone can help me I would appreciate the help

Answer 1

You can try something like this. Just fill out your own Date table with values that is within your range of dates.
Remember to verify the last join. I dont know if that is the unique businesskey within your data sample
SQL Test Code
declare #DateTable table (Dates date)
insert into #DateTable
values
('2017-01-01'),
('2017-01-02'),
('2017-01-03'),
('2017-01-04'),
('2017-01-05'),
('2017-01-06'),
('2017-01-07'),
('2017-01-08'),
('2017-01-09'),
('2017-01-10')
declare #SamleTable table (DateStamp date,Department nvarchar(50),LocationId nvarchar(50),Code int,name nvarchar(50),Entrada nvarchar(50))
insert into #SamleTable
values
('2017-01-01','BOTELLO','SANTO',5540,'JOSE','Something'),
('2017-01-04','BOTELLO','SANTO',5540,'JOSE','Something'),
('2017-01-06','BOTELLO','SANTO',5540,'JOSE','Something'),
('2017-01-09','BOTELLO','SANTO',5540,'JOSE','Something')
select z.Department,z.LocationId,z.Code,z.name,z.Dates,COALESCE(a.Entrada,'EMPTY') as Entrada from (
Select Department,LocationId,Code,Name,Dates from (
select Department,LocationId,Code,Name,MIN(DateStamp) mind, MAX(Datestamp) maxd from #SamleTable
group by Department,LocationId,Code,Name
)x
CROSS JOIN #DateTable b
where b.Dates between x.mind and x.maxd
) z
left join #SamleTable a on a.Department = z.Department and a.LocationId = z.LocationId and a.Code = z.Code and a.name = z.name
and a.DateStamp = z.Dates
Result

Answer 2

You can use a recursive query building all dates from the minimum date to the maximum date found in your table.
with dates(fecha, maxfecha) as
(
select min(fecha) as fecha, max(fecha) as maxfecha from vw_horarios
union all
select dateadd(dd, 1, fecha) as fecha, maxfecha from dates where fecha < maxfecha
)
select d.fecha, q.*
from dates d
left join ( your query here ) q on q.fecha = d.fecha;