50 lines
1.5 KiB
Ruby
50 lines
1.5 KiB
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
|
|
# for more information on how to write migrations for GitLab.
|
|
|
|
class PopulateMissingMergeRequestStatuses < ActiveRecord::Migration[4.2]
|
|
include Gitlab::Database::MigrationHelpers
|
|
|
|
# Set this constant to true if this migration requires downtime.
|
|
DOWNTIME = false
|
|
|
|
disable_ddl_transaction!
|
|
|
|
class MergeRequest < ActiveRecord::Base
|
|
include EachBatch
|
|
|
|
self.table_name = 'merge_requests'
|
|
end
|
|
|
|
def up
|
|
say 'Populating missing merge_requests.state values'
|
|
|
|
# GitLab.com has no rows where "state" is NULL, and technically this should
|
|
# never happen. However it doesn't hurt to be 100% certain.
|
|
MergeRequest.where(state: nil).each_batch do |batch|
|
|
batch.update_all(state: 'opened')
|
|
end
|
|
|
|
say 'Populating missing merge_requests.merge_status values. ' \
|
|
'This will take a few minutes...'
|
|
|
|
# GitLab.com has 66 880 rows where "merge_status" is NULL, dating back all
|
|
# the way to 2011.
|
|
MergeRequest.where(merge_status: nil).each_batch(of: 10_000) do |batch|
|
|
batch.update_all(merge_status: 'unchecked')
|
|
|
|
# We want to give PostgreSQL some time to vacuum any dead tuples. In
|
|
# production we see it takes roughly 1 minute for a vacuuming run to clear
|
|
# out 10-20k dead tuples, so we'll wait for 90 seconds between every
|
|
# batch.
|
|
sleep(90) if sleep?
|
|
end
|
|
end
|
|
|
|
def down
|
|
# Reverting this makes no sense.
|
|
end
|
|
|
|
def sleep?
|
|
Rails.env.staging? || Rails.env.production?
|
|
end
|
|
end
|