SET DEFAULT_STORAGE_ENGINE='tokudb'; *** Bug #22169 *** DROP TABLE IF EXISTS t1; CREATE TABLE t1 (a int, b bigint, c char(10), d date, e int, primary key (a)); INSERT into t1 values (1,54,"zardosht", '1986-08-30', 3287); INSERT into t1 values (2,8709,"Alaadin", '1789-01-31', 8327); INSERT into t1 values (3,234,"Gilbert", '1325-05-21', 871233); INSERT into t1 values (4,563,"Lois", '1981-11-06', 654); INSERT into t1 values (5,587,"Lexington", '1844-03-01', 75); INSERT into t1 values (6,934764,"Goliath", '1161-11-01', 453); INSERT into t1 values (7,109234,"Peter", '2005-11-01', 5); INSERT into t1 values (8,9438,"Bart", '1472-11-01', 234); INSERT into t1 values (9,111111111,"Superman", '1776-07-04', 65); INSERT into t1 values (10,50000004,"Batman", '1981-11-01', 87423); SELECT * from t1; a b c d e 1 54 zardosht 1986-08-30 3287 2 8709 Alaadin 1789-01-31 8327 3 234 Gilbert 1325-05-21 871233 4 563 Lois 1981-11-06 654 5 587 Lexington 1844-03-01 75 6 934764 Goliath 1161-11-01 453 7 109234 Peter 2005-11-01 5 8 9438 Bart 1472-11-01 234 9 111111111 Superman 1776-07-04 65 10 50000004 Batman 1981-11-01 87423 alter table t1 drop primary key; SELECT * from t1; a b c d e 1 54 zardosht 1986-08-30 3287 2 8709 Alaadin 1789-01-31 8327 3 234 Gilbert 1325-05-21 871233 4 563 Lois 1981-11-06 654 5 587 Lexington 1844-03-01 75 6 934764 Goliath 1161-11-01 453 7 109234 Peter 2005-11-01 5 8 9438 Bart 1472-11-01 234 9 111111111 Superman 1776-07-04 65 10 50000004 Batman 1981-11-01 87423 alter table t1 add primary key (a,d,c(3),e,b); SELECT * from t1; a b c d e 1 54 zardosht 1986-08-30 3287 2 8709 Alaadin 1789-01-31 8327 3 234 Gilbert 1325-05-21 871233 4 563 Lois 1981-11-06 654 5 587 Lexington 1844-03-01 75 6 934764 Goliath 1161-11-01 453 7 109234 Peter 2005-11-01 5 8 9438 Bart 1472-11-01 234 9 111111111 Superman 1776-07-04 65 10 50000004 Batman 1981-11-01 87423 alter table t1 drop primary key; SELECT * from t1; a b c d e 1 54 zardosht 1986-08-30 3287 2 8709 Alaadin 1789-01-31 8327 3 234 Gilbert 1325-05-21 871233 4 563 Lois 1981-11-06 654 5 587 Lexington 1844-03-01 75 6 934764 Goliath 1161-11-01 453 7 109234 Peter 2005-11-01 5 8 9438 Bart 1472-11-01 234 9 111111111 Superman 1776-07-04 65 10 50000004 Batman 1981-11-01 87423 alter table t1 add primary key (e,d,c(3),b,a); SELECT * from t1; a b c d e 7 109234 Peter 2005-11-01 5 9 111111111 Superman 1776-07-04 65 5 587 Lexington 1844-03-01 75 8 9438 Bart 1472-11-01 234 6 934764 Goliath 1161-11-01 453 4 563 Lois 1981-11-06 654 1 54 zardosht 1986-08-30 3287 2 8709 Alaadin 1789-01-31 8327 10 50000004 Batman 1981-11-01 87423 3 234 Gilbert 1325-05-21 871233 DROP TABLE t1;