1 eval create 
table t1 (a tinyint 
unsigned not null, primary key(a)) engine=$engine 
 
    3 partition pa1 max_rows=20 min_rows=2,
 
    4 partition pa2 max_rows=30 min_rows=3,
 
    5 partition pa3 max_rows=30 min_rows=4,
 
    6 partition pa4 max_rows=40 min_rows=2);
 
    8 insert into t1 values (255), (254), (253), (252), (1), (2), (128);
 
   11 select * from t1 where a=253;
 
   12 delete from t1 where a=253;
 
   17 eval create 
table t2 (a tinyint 
unsigned not null, primary key(a)) engine=$engine 
 
   18 partition by key (a) partitions 8;
 
   20 insert into t2 values (255), (254), (253), (252);
 
   23 select * from t2 where a=253;
 
   24 delete from t2 where a=253;
 
   33 eval insert into t2 values ($count);
 
   37 select count(*) from t2;
 
   40 eval create 
table t3 (a tinyint not null, primary key(a)) engine=$engine 
 
   41 partition by key (a) partitions 7;
 
   43 insert into t3 values (127), (126), (125), (124), (-128), (-127), (1), (-1), (0);
 
   46 select * from t3 where a=125;
 
   47 delete from t3 where a=125;