Welcome to mirror list, hosted at ThFree Co, Russian Federation.

20230814144045_swap_timelogs_note_id_to_bigint_for_self_hosts.rb « post_migrate « db - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: 55a0d46d840745de4b4c03faa2dd5477183e1596 (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
50
51
52
53
54
55
56
57
58
# frozen_string_literal: true

class SwapTimelogsNoteIdToBigintForSelfHosts < Gitlab::Database::Migration[2.1]
  include Gitlab::Database::MigrationHelpers::ConvertToBigint

  disable_ddl_transaction!

  TABLE_NAME = 'timelogs'

  def up
    return if should_skip?
    return if temp_column_removed?(TABLE_NAME, :note_id)
    return if columns_swapped?(TABLE_NAME, :note_id)

    swap
  end

  def down
    return if should_skip?
    return if temp_column_removed?(TABLE_NAME, :note_id)
    return unless columns_swapped?(TABLE_NAME, :note_id)

    swap
  end

  def swap
    # This will replace the existing index_timelogs_on_note_id
    add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, name: 'index_timelogs_on_note_id_convert_to_bigint'

    # This will replace the existing fk_timelogs_note_id
    add_concurrent_foreign_key :timelogs, :notes, column: :note_id_convert_to_bigint,
      name: 'fk_timelogs_note_id_convert_to_bigint',
      on_delete: :nullify

    with_lock_retries(raise_on_exhaustion: true) do
      execute "LOCK TABLE notes, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"

      execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id TO note_id_tmp"
      execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_convert_to_bigint TO note_id"
      execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_tmp TO note_id_convert_to_bigint"

      function_name = Gitlab::Database::UnidirectionalCopyTrigger
        .on_table(TABLE_NAME, connection: connection)
        .name(:note_id, :note_id_convert_to_bigint)
      execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"

      execute "DROP INDEX IF EXISTS index_timelogs_on_note_id"
      rename_index TABLE_NAME, 'index_timelogs_on_note_id_convert_to_bigint', 'index_timelogs_on_note_id'

      execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT IF EXISTS fk_timelogs_note_id"
      rename_constraint(TABLE_NAME, 'fk_timelogs_note_id_convert_to_bigint', 'fk_timelogs_note_id')
    end
  end

  def should_skip?
    com_or_dev_or_test_but_not_jh?
  end
end