blob: 2f4ef33b25310fa74e15a66e24b4dacf3f825975 (
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
33
34
35
36
37
38
39
40
41
42
|
# frozen_string_literal: true
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class MigrateSnippetsAccessLevelDefaultValue < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
ENABLED = 20
disable_ddl_transaction!
class ProjectFeature < ActiveRecord::Base
include EachBatch
self.table_name = 'project_features'
end
def up
change_column_default :project_features, :snippets_access_level, ENABLED
# On GitLab.com this will update about 28 000 rows. Since our updates are
# very small and this column is not indexed, these updates should be very
# lightweight.
ProjectFeature.where(snippets_access_level: nil).each_batch do |batch|
batch.update_all(snippets_access_level: ENABLED)
end
# We do not need to perform this in a post-deployment migration as the
# ProjectFeature model already enforces a default value for all new rows.
change_column_null :project_features, :snippets_access_level, false
end
def down
change_column_null :project_features, :snippets_access_level, true
change_column_default :project_features, :snippets_access_level, nil
# We can't migrate from 20 -> NULL, as some projects may have explicitly set
# the access level to 20.
end
end
|