Creates a migration to backfill root_namespace_id for issues

Changelog: changed EE: true

Creates a migration to backfill root_namespace_id for issues
Changelog: changed EE: true
05ff2a45 · maddievn · 88984977 · 05ff2a45 · 05ff2a45
--- a/ee/elastic/migrate/20230321091100_backfill_hashed_root_namespace_id_on_issues.rb
+++ b/ee/elastic/migrate/20230321091100_backfill_hashed_root_namespace_id_on_issues.rb
+# frozen_string_literal: true
+
+class BackfillHashedRootNamespaceIdOnIssues < Elastic::Migration
+  include Elastic::MigrationBackfillHelper
+
+  batched!
+  batch_size 9_000
+  throttle_delay 1.minute
+
+  DOCUMENT_TYPE = Issue
+  UPDATE_BATCH_SIZE = 100
+
+  private
+
+  def index_name
+    DOCUMENT_TYPE.__elasticsearch__.index_name
+  end
+
+  def field_name
+    'hashed_root_namespace_id'
+  end
+end
--- a/ee/spec/elastic/migrate/20230321091100_backfill_hashed_root_namespace_id_on_issues_spec.rb
+++ b/ee/spec/elastic/migrate/20230321091100_backfill_hashed_root_namespace_id_on_issues_spec.rb
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_relative 'migration_shared_examples'
+require File.expand_path('ee/elastic/migrate/20230321091100_backfill_hashed_root_namespace_id_on_issues.rb')
+
+RSpec.describe BackfillHashedRootNamespaceIdOnIssues, :elastic_delete_by_query, feature_category: :global_search do
+  let(:version) { 20230321091100 }
+
+  include_examples 'migration backfills fields' do
+    let_it_be(:project) { create(:project) }
+    let(:objects) { create_list(:issue, 3, project: project) }
+    let(:namespace) { project.namespace }
+    let(:expected_fields) do
+      {
+        hashed_root_namespace_id: namespace.hashed_root_namespace_id
+      }
+    end
+
+    let(:expected_throttle_delay) { 1.minute }
+    let(:expected_batch_size) { 9000 }
+  end
+end