db/post_migrate/20230426030342_index_system_note_metadata_on_id_for_relate_and_unrelate_actions.rb


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# frozen_string_literal: true

class IndexSystemNoteMetadataOnIdForRelateAndUnrelateActions < Gitlab::Database::Migration[2.1]
  INDEX_NAME = 'tmp_index_for_backfilling_resource_link_events'
  CONDITION = "action='relate_to_parent' OR action='unrelate_from_parent'"

  disable_ddl_transaction!

  def up
    # Temporary index to be removed in https://gitlab.com/gitlab-org/gitlab/-/issues/408797
    add_concurrent_index :system_note_metadata, :id,
      where: CONDITION,
      name: INDEX_NAME
  end

  def down
    remove_concurrent_index_by_name :system_note_metadata, INDEX_NAME
  end
end