4 files changed, 121 insertions, 0 deletions
diff --git a/db/post_migrate/20230502102832_schedule_index_to_members_on_source_and_type_and_access_level.rb b/db/post_migrate/20230502102832_schedule_index_to_members_on_source_and_type_and_access_level.rb
new file mode 100644
index 00000000000..ce3f0fb8c76
--- /dev/null
+++ b/db/post_migrate/20230502102832_schedule_index_to_members_on_source_and_type_and_access_level.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class ScheduleIndexToMembersOnSourceAndTypeAndAccessLevel < Gitlab::Database::Migration[2.1]
+  INDEX_NAME = 'index_members_on_source_and_type_and_access_level'
+
+  def up
+    prepare_async_index :members, %i[source_id source_type type access_level], name: INDEX_NAME
+  end
+
+  def down
+    unprepare_async_index :members, %i[source_id source_type type access_level], name: INDEX_NAME
+  end
+end
diff --git a/db/post_migrate/20230502120021_schedule_index_to_project_authorizations_on_project_user_access_level.rb b/db/post_migrate/20230502120021_schedule_index_to_project_authorizations_on_project_user_access_level.rb
new file mode 100644
index 00000000000..06ff40cddde
--- /dev/null
+++ b/db/post_migrate/20230502120021_schedule_index_to_project_authorizations_on_project_user_access_level.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class ScheduleIndexToProjectAuthorizationsOnProjectUserAccessLevel < Gitlab::Database::Migration[2.1]
+  INDEX_NAME = 'index_project_authorizations_on_project_user_access_level'
+
+  disable_ddl_transaction!
+
+  def up
+    prepare_async_index :project_authorizations, %i[project_id user_id access_level], unique: true, name: INDEX_NAME
+  end
+
+  def down
+    unprepare_async_index :project_authorizations, %i[project_id user_id access_level], name: INDEX_NAME
+  end
+end
diff --git a/db/post_migrate/20230504010535_ensure_notes_bigint_backfill_is_finished_for_gitlab_dot_com.rb b/db/post_migrate/20230504010535_ensure_notes_bigint_backfill_is_finished_for_gitlab_dot_com.rb
new file mode 100644
index 00000000000..b9d3dc55661
--- /dev/null
+++ b/db/post_migrate/20230504010535_ensure_notes_bigint_backfill_is_finished_for_gitlab_dot_com.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class EnsureNotesBigintBackfillIsFinishedForGitlabDotCom < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::MigrationHelpers::ConvertToBigint
+
+  restrict_gitlab_migration gitlab_schema: :gitlab_main
+  disable_ddl_transaction!
+
+  def up
+    return unless should_run?
+
+    ensure_batched_background_migration_is_finished(
+      job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
+      table_name: 'notes',
+      column_name: 'id',
+      job_arguments: [['id'], ['id_convert_to_bigint']]
+    )
+  end
+
+  def down
+    # no-op
+  end
+
+  private
+
+  def should_run?
+    com_or_dev_or_test_but_not_jh?
+  end
+end
diff --git a/db/post_migrate/20230508034422_notes_bigint_create_indexes_async_for_gitlab_dot_com.rb b/db/post_migrate/20230508034422_notes_bigint_create_indexes_async_for_gitlab_dot_com.rb
new file mode 100644
index 00000000000..b8e8c995713
--- /dev/null
+++ b/db/post_migrate/20230508034422_notes_bigint_create_indexes_async_for_gitlab_dot_com.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+class NotesBigintCreateIndexesAsyncForGitlabDotCom < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::MigrationHelpers::ConvertToBigint
+
+  TABLE_NAME = 'notes'
+  PK_INDEX_NAME = 'index_notes_on_id_convert_to_bigint'
+
+  SECONDARY_INDEXES = [
+    {
+      name: :index_notes_on_author_id_created_at_id_convert_to_bigint,
+      columns: [:author_id, :created_at, :id_convert_to_bigint],
+      options: {}
+    },
+    {
+      name: :index_notes_on_id_convert_to_bigint_where_confidential,
+      columns: [:id_convert_to_bigint],
+      options: { where: 'confidential = true' }
+    },
+    {
+      name: :index_notes_on_id_convert_to_bigint_where_internal,
+      columns: [:id_convert_to_bigint],
+      options: { where: 'internal = true' }
+    },
+    {
+      name: :index_notes_on_project_id_id_convert_to_bigint_system_false,
+      columns: [:project_id, :id_convert_to_bigint],
+      options: { where: 'NOT system' }
+    },
+    {
+      name: :note_mentions_temp_index_convert_to_bigint,
+      columns: [:id_convert_to_bigint, :noteable_type],
+      options: { where: "note ~~ '%@%'::text" }
+    }
+  ]
+
+  # Indexes will be created synchronously in
+  # https://gitlab.com/gitlab-org/gitlab/-/merge_requests/119705
+  def up
+    return unless should_run?
+
+    prepare_async_index TABLE_NAME, :id_convert_to_bigint, unique: true, name: PK_INDEX_NAME
+
+    SECONDARY_INDEXES.each do |index|
+      prepare_async_index TABLE_NAME, index[:columns], **index[:options].merge(name: index[:name])
+    end
+  end
+
+  def down
+    return unless should_run?
+
+    SECONDARY_INDEXES.each do |index|
+      unprepare_async_index TABLE_NAME, index[:columns], name: index[:name]
+    end
+
+    unprepare_async_index TABLE_NAME, :id_convert_to_bigint, name: PK_INDEX_NAME
+  end
+
+  private
+
+  def should_run?
+    com_or_dev_or_test_but_not_jh?
+  end
+end