回答編集履歴
4
訂正
test
CHANGED
|
@@ -14,7 +14,7 @@
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|
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14
14
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15
15
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) as 特定時間後加入
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|
16
16
|
|
|
17
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-
, exists(
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|
17
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+
, not exists(
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18
18
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19
19
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select 1 from group_users
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20
20
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3
推敲
test
CHANGED
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@@ -8,9 +8,7 @@
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8
8
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9
9
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select 1 from group_users
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10
10
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11
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-
where group_id=grp.ID
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11
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+
where group_id=grp.ID and user_id=$user_id
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12
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-
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13
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-
and user_id=$user_id
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14
12
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15
13
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and created_at > $time
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16
14
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@@ -20,9 +18,7 @@
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20
18
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21
19
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select 1 from group_users
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22
20
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|
23
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-
where group_id=grp.ID
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|
21
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+
where group_id=grp.ID and user_id=$user_id
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|
24
|
-
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|
25
|
-
and user_id=$user_id
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26
22
|
|
|
27
23
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) as 未加入
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28
24
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2
訂正
test
CHANGED
|
@@ -8,20 +8,24 @@
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8
8
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|
9
9
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select 1 from group_users
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|
10
10
|
|
|
11
|
+
where group_id=grp.ID
|
|
12
|
+
|
|
11
|
-
|
|
13
|
+
and user_id=$user_id
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|
12
14
|
|
|
13
15
|
and created_at > $time
|
|
14
16
|
|
|
15
17
|
) as 特定時間後加入
|
|
16
18
|
|
|
17
|
-
,
|
|
19
|
+
, exists(
|
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18
20
|
|
|
19
21
|
select 1 from group_users
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|
20
22
|
|
|
23
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+
where group_id=grp.ID
|
|
24
|
+
|
|
21
|
-
|
|
25
|
+
and user_id=$user_id
|
|
22
26
|
|
|
23
27
|
) as 未加入
|
|
24
28
|
|
|
25
|
-
from groups
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|
29
|
+
from groups grp
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26
30
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27
31
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```
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1
追記
test
CHANGED
|
@@ -14,7 +14,7 @@
|
|
|
14
14
|
|
|
15
15
|
) as 特定時間後加入
|
|
16
16
|
|
|
17
|
-
, exists(
|
|
17
|
+
, not exists(
|
|
18
18
|
|
|
19
19
|
select 1 from group_users
|
|
20
20
|
|