summaryrefslogtreecommitdiff
path: root/db/post_migrate/20210610141711_disable_expiration_policies_linked_to_no_container_images.rb
blob: f4827c0bbc00bc2e705008108a3fd604abad1bee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
# frozen_string_literal: true

class DisableExpirationPoliciesLinkedToNoContainerImages < ActiveRecord::Migration[6.1]
  disable_ddl_transaction!

  BATCH_SIZE = 1000

  class ContainerExpirationPolicy < ActiveRecord::Base
    include ::EachBatch
    self.table_name = 'container_expiration_policies'
  end

  def up
    ContainerExpirationPolicy.where(enabled: true).each_batch(of: BATCH_SIZE) do |batch, _|
      sql = <<-SQL
        WITH batched_relation AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (#{batch.limit(BATCH_SIZE).to_sql})
        UPDATE container_expiration_policies
        SET enabled = FALSE
        FROM batched_relation
        WHERE container_expiration_policies.project_id = batched_relation.project_id
        AND NOT EXISTS (SELECT 1 FROM "container_repositories" WHERE container_repositories.project_id = container_expiration_policies.project_id)
      SQL
      execute(sql)
    end
  end

  def down
    # no-op

    # we can't accuretaly know which policies were previously enabled during `#up`
  end
end