34 lines
1,005 B
Ruby
34 lines
1,005 B
Ruby
|
# 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 CleanUpNoteableIdForNotesOnCommits < ActiveRecord::Migration[5.0]
|
||
|
include Gitlab::Database::MigrationHelpers
|
||
|
|
||
|
# Set this constant to true if this migration requires downtime.
|
||
|
DOWNTIME = false
|
||
|
|
||
|
TEMP_INDEX_NAME = 'index_notes_on_commit_with_null_noteable_id'
|
||
|
|
||
|
disable_ddl_transaction!
|
||
|
|
||
|
def up
|
||
|
remove_concurrent_index_by_name(:notes, TEMP_INDEX_NAME)
|
||
|
|
||
|
add_concurrent_index(:notes, :id, where: "noteable_type = 'Commit' AND noteable_id IS NOT NULL", name: TEMP_INDEX_NAME)
|
||
|
|
||
|
# rubocop:disable Migration/UpdateLargeTable
|
||
|
update_column_in_batches(:notes, :noteable_id, nil, batch_size: 300) do |table, query|
|
||
|
query.where(
|
||
|
table[:noteable_type].eq('Commit').and(table[:noteable_id].not_eq(nil))
|
||
|
)
|
||
|
end
|
||
|
|
||
|
remove_concurrent_index_by_name(:notes, TEMP_INDEX_NAME)
|
||
|
end
|
||
|
|
||
|
def down
|
||
|
end
|
||
|
end
|