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cs_Favorite_GetByUserItem
cs_Favorite_GetByUserItem
1
ALTER
procedure
dbo.cs_Favorite_GetByUserItem
2
(
3
@SettingsID
int
,
4
@FavoriteType
int
,
5
@UserID
int
,
6
@ItemID
int
7
)
8
AS
9
SET
NOCOUNT
ON
10
11
/**/
/*
当 SET NOCOUNT 为 ON 时,不返回计数(表示受 Transact-SQL 语句影响的行数)。
12
当 SET NOCOUNT 为 OFF 时,返回计数。即使当 SET NOCOUNT 为 ON 时,
13
也更新 @@ROWCOUNT 函数。
*/
14
SET
Transaction
Isolation
Level
Read
UNCOMMITTED
15
16
/**/
/*
设置事务隔离级别,Read UNCOMMITTED 执行脏读或 0 级隔离锁定,这表示不发出共享锁,
17
也不接受排它锁。当设置该选项时,可以对数据执行未提交读或脏读;在事务结束前可以更
18
改数据内的数值,行也可以出现在数据集中或从数据集消失。该选项的作用与在事务内所有
19
语句中的所有表上设置 NOLOCK 相同。这是四个隔离级别中限制最小的级别。
*/
20
21
--
---------------------------------------------------------------------------
22
/**/
/*
同样是判断类型先,然后在执行操作.此条多了个拥有者的条件,其他还是照就.
*/
23
--
---------------------------------------------------------------------------
24
25
IF
@FavoriteType
=
1
--
Section
26
27
SELECT
28
F.FavoriteID,
29
F.OwnerID
AS
UserID,
30
F.SettingsID,
31
F.SectionID
AS
ItemID,
32
@FavoriteType
AS
FavoriteType,
33
F.ApplicationType
34
FROM
35
cs_FavoriteSections F
36
WHERE
37
F.OwnerID
=
@UserID
AND
38
F.SectionID
=
@ItemID
AND
39
F.SettingsID
=
@SettingsID
40
41
ELSE
IF
@FavoriteType
=
2
--
User
42
43
SELECT
44
F.FavoriteID,
45
F.OwnerID
AS
UserID,
46
F.SettingsID,
47
F.UserID
AS
ItemID,
48
@FavoriteType
AS
FavoriteType,
49
F.ApplicationType
50
FROM
51
cs_FavoriteUsers F
52
WHERE
53
F.OwnerID
=
@UserID
AND
54
F.UserID
=
@ItemID
AND
55
F.SettingsID
=
@SettingsID
56
57
ELSE
IF
@FavoriteType
=
4
--
Post
58
59
SELECT
60
F.FavoriteID,
61
F.OwnerID
AS
UserID,
62
F.SettingsID,
63
F.PostID
AS
ItemID,
64
@FavoriteType
AS
FavoriteType,
65
F.ApplicationType
66
FROM
67
cs_FavoritePosts F
68
WHERE
69
F.OwnerID
=
@UserID
AND
70
F.PostID
=
@ItemID
AND
71
F.SettingsID
=
@SettingsID
72
73
74
GO
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原文地址:https://www.cnblogs.com/ruanbl/p/495990.html
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