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sql/core_group_member.sql
author
Alan Knowles
<alan@roojs.com>
Mon, 10 Sep 2018 02:42:55 +0000
(10:42 +0800)
committer
Alan Knowles
<alan@roojs.com>
Mon, 10 Sep 2018 02:42:55 +0000
(10:42 +0800)
sql/core_group_member.sql
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diff --git
a/sql/core_group_member.sql
b/sql/core_group_member.sql
index
7a0a91c
..
90beac9
100644
(file)
--- a/
sql/core_group_member.sql
+++ b/
sql/core_group_member.sql
@@
-10,4
+10,21
@@
ALTER TABLE core_group_member ADD COLUMN group_id int(11) NOT NULL default 0;
ALTER TABLE core_group_member ADD COLUMN user_id int(11) NOT NULL default 0;
+
+-- remove duplicates...
+delete from core_group_member where id in (
+ select mid FROM (
+ select
+ concat(group_id,'-',user_id) as uid,
+ max(id) as mid,
+ count(*) as n
+ from
+ core_group_member
+ group by
+ group_id,user_id
+ having n > 1
+ ) s
+)
+
+
ALTER TABLE core_group_member ADD UNIQUE KEY unique_group_user (group_id,user_id);