debian-mirror-gitlab/db/migrate/20160328115649_migrate_new_notification_setting.rb

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2016-06-02 11:05:42 +05:30
# This migration will create one row of NotificationSetting for each Member row
# It can take long time on big instances.
#
# This migration can be done online but with following effects:
# - during migration some users will receive notifications based on their global settings (project/group settings will be ignored)
# - its possible to get duplicate records for notification settings since we don't create uniq index yet
#
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class MigrateNewNotificationSetting < ActiveRecord::Migration[4.2]
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def up
timestamp = Time.now.strftime('%F %T')
execute "INSERT INTO notification_settings ( user_id, source_id, source_type, level, created_at, updated_at ) SELECT user_id, source_id, source_type, notification_level, '#{timestamp}', '#{timestamp}' FROM members WHERE user_id IS NOT NULL"
end
def down
execute "DELETE FROM notification_settings"
end
end