blob: bea1cfa4c5d4f57d29214f7427fa8b016f533f7c (
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
43
44
45
46
47
48
49
|
class FixProjectRecordsWithInvalidVisibility < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
BATCH_SIZE = 1000
DOWNTIME = false
# This migration is idempotent and there's no sense in throwing away the
# partial result if it's interrupted
disable_ddl_transaction!
def up
projects = Arel::Table.new(:projects)
namespaces = Arel::Table.new(:namespaces)
finder =
projects.
join(namespaces, Arel::Nodes::InnerJoin).
on(projects[:namespace_id].eq(namespaces[:id])).
where(projects[:visibility_level].gt(namespaces[:visibility_level])).
project(projects[:id]).
take(BATCH_SIZE)
# MySQL requires a derived table to perform this query
nested_finder =
projects.
from(finder.as("AS projects_inner")).
project(projects[:id])
valuer =
namespaces.
where(namespaces[:id].eq(projects[:namespace_id])).
project(namespaces[:visibility_level])
# Update matching rows until none remain. The finder contains a limit.
loop do
updater = Arel::UpdateManager.new(ActiveRecord::Base).
table(projects).
set(projects[:visibility_level] => Arel::Nodes::SqlLiteral.new("(#{valuer.to_sql})")).
where(projects[:id].in(nested_finder))
num_updated = connection.exec_update(updater.to_sql, self.class.name, [])
break if num_updated == 0
end
end
def down
# no-op
end
end
|
