drop table if exists t1; create table t1(a longblob)engine=archive; insert into t1 set a=' Zrh03xwCl1Dp6SV3Ni UOwokQXn2OiVpR4vCiK1WZOqUx:V.sVRvN6C5yzZBfrrinEUC7DYT8tWmDMZZ7JT apBxiCMH U nGJFa9AquNABMCUqqkmFhDH:SF;e CVEAtXUY nf6wXnEqd2 9j8MQdwDar0UfZXTdRur6,7hozL yREaNC87a4;5 KuX.KpxBbww0MI1cYrJT Ua9gSd X3hCcYjkN9LxPZ8'; insert into t1 set a='3 VrXafHT945j5wo2UCm0NTHPn L:9w.nOuph ZO.xj C gcsFIxzHeN9ysE1SCngb8Ug0SpK; vvaWHiHZl:pVHn7'; check table t1 extended; show warnings; repair table t1; show warnings;