我們可以在sql server中的索引視圖上插入觸發器後創建。在sql server中插入觸發器後
我在索引視圖上的sql server中創建一個after插入觸發器。
CREATE TRIGGER t_STUD_FUZZY_CERTIFICATIONS_mv
ON STUD_FUZZY_CERTIFICATIONS_mv
AFTER INSERT AS
BEGIN
DECLARE
@count_rec int,
@new_poor INT,
@new_average INT,
@new_excellent INT,
@new_stud_num VARCHAR(10),
@new_mem_set INT,
@new_lname VARCHAR(25),
@new_fname VARCHAR(25),
@new_report_date date,
@new_total_certs INT
select @new_stud_num=stud_num, @new_mem_set=mem_set, @new_lname=lname, @new_fname=fname, @new_report_date=report_date, @new_total_certs=total_certs from inserted;
select @count_rec = count (*) from fuzzy_param_trapezoid where MEM_SET = (select mem_set from inserted);
--dbms_output.put_line(count_rec);
if(@count_rec = 0)
begin --if
--update fuzzy attributes of stud_fuzzy_orders_mv
SET @new_poor = dbo.FIT.update_certs_poor(@new_stud_num, @new_total_certs, @new_mem_set);
SET @new_average = dbo.FIT.update_certs_average(@new_stud_num, @new_total_certs, @new_mem_set);
SET @new_excellent = dbo.FIT.update_certs_excellent(@new_stud_num, @new_total_certs, @new_mem_set);
INSERT INTO STUD_FUZZY_CERTIFICATIONS values(@new_stud_num,
@new_mem_set,
@new_lname,
@new_fname,
@new_report_date,
@new_total_certs, dbo.FIT.update_certs_poor(@new_stud_num, @new_total_certs, @new_mem_set),
dbo.FIT.update_certs_average(@new_stud_num, @new_total_certs, @new_mem_set),
dbo.FIT.update_certs_excellent(@new_stud_num, @new_total_certs, @new_mem_set));
UPDATE STUD_FUZZY_CERTIFICATIONS_mv set [email protected]_poor, [email protected]_average, [email protected]_excellent where [email protected]_stud_num and [email protected]_mem_set;
end;--end if
END;
GO
我提示以下錯誤:
Msg 8197, Level 16, State 6, Procedure t_STUD_FUZZY_CERTIFICATIONS_mv, Line 1
The object 'STUD_FUZZY_CERTIFICATIONS_mv' does not exist or is invalid for this operation.
,我正確的數據庫而已,對象STUD_FUZZY_CERTIFICATIONS_mv在數據庫中現有的運行。
該觸發器已損壞。它假設'插入'包含一行,這是*不是一個安全的假設。 'inserted'可以包含0,1或*多個*行,並且應該寫入觸發器來處理這個問題(理想情況是通過將'inserted'連接到其他表來創建基於集*的更改)。 –