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Diffstat (limited to 'db/migrate/20160603180330_remove_duplicated_notification_settings.rb')
-rw-r--r--db/migrate/20160603180330_remove_duplicated_notification_settings.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/db/migrate/20160603180330_remove_duplicated_notification_settings.rb b/db/migrate/20160603180330_remove_duplicated_notification_settings.rb
new file mode 100644
index 00000000000..c2fcac4c53d
--- /dev/null
+++ b/db/migrate/20160603180330_remove_duplicated_notification_settings.rb
@@ -0,0 +1,7 @@
+class RemoveDuplicatedNotificationSettings < ActiveRecord::Migration
+ def up
+ execute <<-SQL
+ DELETE FROM notification_settings WHERE id NOT IN ( SELECT min_id from (SELECT MIN(id) as min_id FROM notification_settings GROUP BY user_id, source_type, source_id) as dups )
+ SQL
+ end
+end