debian-mirror-gitlab/db/migrate/20161031174110_migrate_subscriptions_project_id.rb

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2018-12-23 12:14:25 +05:30
class MigrateSubscriptionsProjectId < ActiveRecord::Migration[4.2]
2017-08-17 22:00:37 +05:30
include Gitlab::Database::MigrationHelpers
DOWNTIME = true
DOWNTIME_REASON = 'Subscriptions will not work as expected until this migration is complete.'
def up
execute <<-EOF.strip_heredoc
UPDATE subscriptions
SET project_id = (
SELECT issues.project_id
FROM issues
WHERE issues.id = subscriptions.subscribable_id
)
WHERE subscriptions.subscribable_type = 'Issue';
EOF
execute <<-EOF.strip_heredoc
UPDATE subscriptions
SET project_id = (
SELECT merge_requests.target_project_id
FROM merge_requests
WHERE merge_requests.id = subscriptions.subscribable_id
)
WHERE subscriptions.subscribable_type = 'MergeRequest';
EOF
execute <<-EOF.strip_heredoc
UPDATE subscriptions
SET project_id = (
SELECT projects.id
FROM labels INNER JOIN projects ON projects.id = labels.project_id
WHERE labels.id = subscriptions.subscribable_id
)
WHERE subscriptions.subscribable_type = 'Label';
EOF
end
def down
execute <<-EOF.strip_heredoc
UPDATE subscriptions SET project_id = NULL;
EOF
end
end