Revert "Merge branch '54924-clean-up-data' into 'master'"

This reverts commit c9ecc71a, reversing
changes made to c3c8dbf8.
parent 4c575ad3
# 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) 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
# frozen_string_literal: true
require 'spec_helper'
require Rails.root.join('db', 'migrate', '20190228092516_clean_up_noteable_id_for_notes_on_commits.rb')
describe CleanUpNoteableIdForNotesOnCommits, :migration do
let(:notes) { table(:notes) }
before do
notes.create!(noteable_type: 'Commit', commit_id: '3d0a182204cece4857f81c6462720e0ad1af39c9', noteable_id: 3, note: 'Test')
notes.create!(noteable_type: 'Commit', commit_id: '3d0a182204cece4857f81c6462720e0ad1af39c9', noteable_id: 3, note: 'Test')
notes.create!(noteable_type: 'Commit', commit_id: '3d0a182204cece4857f81c6462720e0ad1af39c9', noteable_id: 3, note: 'Test')
notes.create!(noteable_type: 'Issue', noteable_id: 1, note: 'Test')
notes.create!(noteable_type: 'MergeRequest', noteable_id: 1, note: 'Test')
notes.create!(noteable_type: 'Snippet', noteable_id: 1, note: 'Test')
end
it 'clears noteable_id for notes on commits' do
expect { migrate! }.to change { dirty_notes_on_commits.count }.from(3).to(0)
end
it 'does not clear noteable_id for other notes' do
expect { migrate! }.not_to change { other_notes.count }
end
def dirty_notes_on_commits
notes.where(noteable_type: 'Commit').where('noteable_id IS NOT NULL')
end
def other_notes
notes.where("noteable_type != 'Commit' AND noteable_id IS NOT NULL")
end
end
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