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drop table facture_ligne;
drop table facture;
drop function facture_nblignes;
drop function facture_total;
go
create table facture
(
id int primary key not null identity,
reference varchar(50) not null unique
);
create table facture_ligne
(
id int primary key not null identity,
facture_id int not null references facture(id),
quantite numeric not null,
prix money not null,
total as (quantite * prix) persisted not null
);
go
create function facture_total
(
@id int
)
returns money
as
begin
return (select sum(total) from facture_ligne where facture_id = @id);
end;
go
create function facture_nblignes
(
@id int
)
returns int
as
begin
return (select count(id) from facture_ligne where facture_id = @id);
end;
go
alter table facture
add total as (dbo.facture_total(id));
go
alter table facture
add nblignes as (dbo.facture_nblignes(id));
go
declare @newid table(id int);
insert into facture (reference) output inserted.id into @newid values ('Facture 1');
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 10, 20.49);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 100, 1.73);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 30, 139.99);
delete @newid;
insert into facture (reference) output inserted.id into @newid values ('Facture 2');
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 10, 20.49);
delete @newid;
insert into facture (reference) output inserted.id into @newid values ('Facture 3');
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 30, 139.99);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 100, 1.73);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 5, 14.99);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 30, 139.99);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 100, 1.73);
delete @newid;
insert into facture (reference) output inserted.id into @newid values ('Facture 4');
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 10, 20.49);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 5, 14.99);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 100, 1.73);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 30, 139.99);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 5, 14.99);
insert into facture_ligne (facture_id, quantite, prix) values ((select top 1 id from @newid), 100, 1.73);
delete @newid;
select * from facture; |
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