drop table if exists t2;
create table t2(
id bigint not null primary key,
i1 text, #unique
i2 varchar(1024) #unique
) engine=xengine DEFAULT CHARSET=UTF8 COLLATE=utf8_general_ci;
drop procedure if exists insert_data_t2;
CREATE PROCEDURE insert_data_t2(cnt int)
BEGIN
DECLARE i int DEFAULT 0;
WHILE i<cnt
DO
INSERT INTO t2(id,i1,i2) VALUES(i,"xxx",REPEAT(CAST(i AS CHAR(100)),100));
set i=i+1;
end WHILE;
END//
call insert_data_t2(3000);
ALTER TABLE t2 ADD index indx1(i2) , ALGORITHM=inplace;
drop table t2;
DROP PROCEDURE insert_data_t2;