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ivanov666
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Файл:Администрирование СУБД. Учебное пособие для СПО
.pdf
90
/* Employees R/32 Coordination ON CHILD UPDATE SET
NULL */
if
/* update(nomerOfEmployees) */
update(nomerOfEmployees)
begin
update Coordination
set
/* Coordination.nomerOfEmployees = NULL */
Coordination.nomerOfEmployees = NULL
from Coordination,inserted
where
/* */
and
not exists (
select * from Employees
where
/* inserted.nomerOfEmployees = Employ-
ees.nomerOfEmployees */
inserted.nomerOfEmployees = Employees.nomerOfEmployees
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Documents R/31 Coordination ON CHILD UPDATE SET
NULL */
if
/* update(NumberDocuments) */
update(NumberDocuments)
begin
update Coordination
set
/* Coordination.NumberDocuments = NULL */
Coordination.NumberDocuments = NULL
from Coordination,inserted
where
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/* */
and
not exists (
select * from Documents
where
/* inserted.NumberDocuments = Documents.NumberDocuments */
inserted.NumberDocuments = Documents.NumberDocuments
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
return
error:
raiserror @errno @errmsg
rollback transaction
end
go
create trigger tI_Counters on Counters for INSERT as
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* INSERT trigger on Counters */
begin
declare @numrows int,
@nullcnt int,
@validcnt int,
@errno int,
@errmsg varchar(255)
select @numrows = @@rowcount
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Equipment R/52 Counters ON CHILD INSERT SET NULL */
if
/* update(NumberEquipment) */
update(NumberEquipment)
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begin
update Counters
set
/* Counters.NumberEquipment = NULL */
Counters.NumberEquipment = NULL
from Counters,inserted
where
/* */
and
not exists (
select * from Equipment
where
/* inserted.NumberEquipment = Equipment.NumberEquipment */
inserted.NumberEquipment = Equipment.NumberEquipment
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
return
error:
raiserror @errno @errmsg
rollback transaction
end
go
create trigger tU_Counters on Counters for UPDATE as
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* UPDATE trigger on Counters */
begin
declare @numrows int,
@nullcnt int,
@validcnt int,
@insN_counters int,
@errno int,
@errmsg varchar(255)
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select @numrows = @@rowcount
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Equipment R/52 Counters ON CHILD UPDATE SET NULL
*/
if
/* update(NumberEquipment) */
update(NumberEquipment)
begin
update Counters
set
/* Counters.NumberEquipment = NULL */
Counters.NumberEquipment = NULL
from Counters,inserted
where
/* */
and
not exists (
select * from Equipment
where
/* inserted.NumberEquipment = Equipment.NumberEquipment */
inserted.NumberEquipment = Equipment.NumberEquipment
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
return
error:
raiserror @errno @errmsg
rollback transaction
end
go
create trigger tD_Documents on Documents for DELETE as
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/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* DELETE trigger on Documents */
begin
declare @errno int,
@errmsg varchar(255)
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Documents R/40 Compliance ON PARENT DELETE SET
NULL */
update Compliance
set
/* Compliance.NumberDocuments = NULL */
Compliance.NumberDocuments = NULL
from Compliance,deleted
where
/* Compliance.NumberDocuments = deleted.NumberDocuments */
Compliance.NumberDocuments = deleted.NumberDocuments
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Documents R/31 Coordination ON PARENT DELETE SET
NULL */
update Coordination
set
/* Coordination.NumberDocuments = NULL */
Coordination.NumberDocuments = NULL
from Coordination,deleted
where
/* Coordination.NumberDocuments = deleted.NumberDocuments */
Coordination.NumberDocuments = deleted.NumberDocuments
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
return
error:
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raiserror @errno @errmsg
rollback transaction
end
go
create trigger tI_Documents on Documents for INSERT as
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* INSERT trigger on Documents */
begin
declare @numrows int,
@nullcnt int,
@validcnt int,
@errno int,
@errmsg varchar(255)
select @numrows = @@rowcount
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Equipment R/45 Documents ON CHILD INSERT SET NULL
*/
if
/* update(NumberEquipment) */
update(NumberEquipment)
begin
update Documents
set
/* Documents.NumberEquipment = NULL */
Documents.NumberEquipment = NULL
from Documents,inserted
where
/* */
and
not exists (
select * from Equipment
where
/* inserted.NumberEquipment = Equip-
ment.NumberEquipment */
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inserted.NumberEquipment = Equipment.NumberEquipment
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Schedule_of_TI R/44 Documents ON CHILD INSERT SET
NULL */
if
/* update(Number_of_TO) */
update(Number_of_TO)
begin
update Documents
set
/* Documents.Number_of_TO = NULL */
Documents.Number_of_TO = NULL
from Documents,inserted
where
/* */
and
not exists (
select * from Schedule_of_TI
where
/* inserted.Number_of_TO = Sched-
ule_of_TI.Number_of_TO */
inserted.Number_of_TO = Schedule_of_TI.Number_of_TO
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Shop R/43 Documents ON CHILD INSERT SET NULL */
if
/* update(NumberShop) */
update(NumberShop)
begin
update Documents
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set
/* Documents.NumberShop = NULL */
Documents.NumberShop = NULL
from Documents,inserted
where
/* */
and
not exists (
select * from Shop
where
/* inserted.NumberShop = Shop.NumberShop */
inserted.NumberShop = Shop.NumberShop
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Employees R/21 Documents ON CHILD INSERT SET NULL
*/
if
/* update(nomerOfEmployees) */
update(nomerOfEmployees)
begin
update Documents
set
/* Documents.nomerOfEmployees = NULL */
Documents.nomerOfEmployees = NULL
from Documents,inserted
where
/* */
and
not exists (
select * from Employees
where
/* inserted.nomerOfEmployees = Employees.nomerOfEmployees */
inserted.nomerOfEmployees = Employees.nomerOfEmployees
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98
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Organization R/20 Documents ON CHILD INSERT SET
NULL */
if
/* update(NumberOfOrganization) */
update(NumberOfOrganization)
begin
update Documents
set
/* Documents.NumberOfOrganization = NULL */
Documents.NumberOfOrganization = NULL
from Documents,inserted
where
/* */
and
not exists (
select * from Organization
where
/* inserted.NumberOfOrganization = Organization.NumberOfOrganization */
inserted.NumberOfOrganization = Organization.NumberOfOrganization
)
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
return
error:
raiserror @errno @errmsg
rollback transaction
end
go
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create trigger tU_Documents on Documents for UPDATE as
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* UPDATE trigger on Documents */
begin
declare @numrows int,
@nullcnt int,
@validcnt int,
@insNumberDocuments int,
@errno int,
@errmsg varchar(255)
select @numrows = @@rowcount
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Documents R/40 Compliance ON PARENT UPDATE SET
NULL */
if
/* update(NumberDocuments) */
update(NumberDocuments)
begin
update Compliance
set
/* Compliance.NumberDocuments = NULL */
Compliance.NumberDocuments = NULL
from Compliance,deleted
where
/* Compliance.NumberDocuments = deleted.NumberDocuments */
Compliance.NumberDocuments = deleted.NumberDocuments
end
/* ERwin Builtin Sat Apr 20 22:19:41 2019 */
/* Documents R/31 Coordination ON PARENT UPDATE SET
NULL */
if
/* update(NumberDocuments) */
update(NumberDocuments)
100
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