protected function get_db_info() {
		global $wpdb;

		$meta_id_field = 'meta_id'; // for some reason users calls this umeta_id so we need to track this as well.
		$table         = $wpdb->prefix;

		// If we are dealing with a type of metadata that is not a core type, the table should be prefixed.
		if ( ! in_array( $this->meta_type, array( 'post', 'user', 'comment', 'term' ), true ) ) {
			$table .= 'woocommerce_';
		}

		$table          .= $this->meta_type . 'meta';
		$object_id_field = $this->meta_type . '_id';

		// Figure out our field names.
		if ( 'user' === $this->meta_type ) {
			$meta_id_field = 'umeta_id';
			$table         = $wpdb->usermeta;
		}

		if ( ! empty( $this->object_id_field_for_meta ) ) {
			$object_id_field = $this->object_id_field_for_meta;
		}

		return array(
			'table'           => $table,
			'object_id_field' => $object_id_field,
			'meta_id_field'   => $meta_id_field,
		);
	}