innodb_index_stats导入备份数据时报错表主键冲突的解决方法

mysql> show create table innodb_index_stats/G*************************** 1. row ***************************    Table: innodb_index_statsCreate Table: CREATE TABLE `innodb_index_stats` ( `database_name` varchar(64) COLLATE utf8_bin NOT NULL, `table_name` varchar(64) COLLATE utf8_bin NOT NULL, `index_name` varchar(64) COLLATE utf8_bin NOT NULL, `last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `stat_name` varchar(64) COLLATE utf8_bin NOT NULL, `stat_value` bigint(20) unsigned NOT NULL, `sample_size` bigint(20) unsigned DEFAULT NULL, `stat_description` varchar(1024) COLLATE utf8_bin NOT NULL, PRIMARY KEY (`database_name`,`table_name`,`index_name`,`stat_name`)) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=01 row in set (0.00 sec)mysql> select * from innodb_index_stats where database_name='hoc_log99' and table_name='item_log_27' and stat_name='n_diff_pfx01' and index_name='PRIMARY';+---------------+-------------+------------+---------------------+--------------+------------+-------------+------------------+| database_name | table_name | index_name | last_update     | stat_name  | stat_value | sample_size | stat_description |+---------------+-------------+------------+---------------------+--------------+------------+-------------+------------------+| hoc_log99   | item_log_27 | PRIMARY  | 2016-10-07 18:44:06 | n_diff_pfx01 |   823672 |     20 | redid      |+---------------+-------------+------------+---------------------+--------------+------------+-------------+------------------+1 row in set (0.00 sec)

-- Table structure for table `innodb_index_stats`DROP TABLE IF EXISTS `innodb_index_stats`;CREATE TABLE `innodb_index_stats` (-- Dumping data for table `innodb_index_stats`LOCK TABLES `innodb_index_stats` WRITE;/*!40000 ALTER TABLE `innodb_index_stats` DISABLE KEYS */;

DROP TABLE IF EXISTS `innodb_index_stats` /* generated by server */CREATE TABLE `innodb_index_stats` (/*!40000 ALTER TABLE `innodb_index_stats` DISABLE KEYS */