blob: 30cf08b29fcb15d6ac52651bd1e64e049ee3af16 (
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
|
class CleanUpFromMergeRequestDiffsAndCommits < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
class MergeRequestDiff < ActiveRecord::Base
self.table_name = 'merge_request_diffs'
include ::EachBatch
end
disable_ddl_transaction!
def up
Gitlab::BackgroundMigration.steal('DeserializeMergeRequestDiffsAndCommits')
# The literal '--- []\n' value is created by the import process and treated
# as null by the application, so we can ignore those - even if we were
# migrating, it wouldn't create any rows.
literal_prefix = Gitlab::Database.postgresql? ? 'E' : ''
non_empty = "
(st_commits IS NOT NULL AND st_commits != #{literal_prefix}'--- []\n')
OR
(st_diffs IS NOT NULL AND st_diffs != #{literal_prefix}'--- []\n')
".squish
MergeRequestDiff.where(non_empty).each_batch(of: 500) do |relation, index|
range = relation.pluck('MIN(id)', 'MAX(id)').first
Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits.new.perform(*range)
end
end
def down
end
end
|
