Edit File: partition_char_innodb.result
---- Partitioning and char data type create table t1 (a char(255) not null, primary key(a)) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` char(255) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB) */ insert into t1 values (repeat('a',255)), ('b'), (repeat('a',128)), (repeat('b',64)); select * from t1; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb select * from t1 where a='b'; a b update t1 set a='bb' where a='b'; delete from t1 where a='bb'; select * from t1; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb drop table t1; create table t2 (a char(255) not null, primary key(a)) engine='InnoDB' partition by key (a) partitions 27; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` char(255) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 27 */ 26 inserts; insert into t2 values (repeat(char(ascii('a')+0),26+54)); insert into t2 values (repeat(char(ascii('a')+1),25+54)); insert into t2 values (repeat(char(ascii('a')+2),24+54)); insert into t2 values (repeat(char(ascii('a')+3),23+54)); insert into t2 values (repeat(char(ascii('a')+4),22+54)); insert into t2 values (repeat(char(ascii('a')+5),21+54)); insert into t2 values (repeat(char(ascii('a')+6),20+54)); insert into t2 values (repeat(char(ascii('a')+7),19+54)); insert into t2 values (repeat(char(ascii('a')+8),18+54)); insert into t2 values (repeat(char(ascii('a')+9),17+54)); insert into t2 values (repeat(char(ascii('a')+10),16+54)); insert into t2 values (repeat(char(ascii('a')+11),15+54)); insert into t2 values (repeat(char(ascii('a')+12),14+54)); insert into t2 values (repeat(char(ascii('a')+13),13+54)); insert into t2 values (repeat(char(ascii('a')+14),12+54)); insert into t2 values (repeat(char(ascii('a')+15),11+54)); insert into t2 values (repeat(char(ascii('a')+16),10+54)); insert into t2 values (repeat(char(ascii('a')+17),9+54)); insert into t2 values (repeat(char(ascii('a')+18),8+54)); insert into t2 values (repeat(char(ascii('a')+19),7+54)); insert into t2 values (repeat(char(ascii('a')+20),6+54)); insert into t2 values (repeat(char(ascii('a')+21),5+54)); insert into t2 values (repeat(char(ascii('a')+22),4+54)); insert into t2 values (repeat(char(ascii('a')+23),3+54)); insert into t2 values (repeat(char(ascii('a')+24),2+54)); insert into t2 values (repeat(char(ascii('a')+25),1+54)); select count(*) from t2; count(*) 26 select * from t2; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo ppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz drop table t2; ---- Partitioning and binary data type create table t1 (a binary(255) not null, primary key(a)) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` binary(255) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB) */ insert into t1 values (repeat('a',255)), ('b'), (repeat('a',128)), (repeat('b',64)); select hex(a) from t1; hex(a) 616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161 620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 select a from t1 where substr(a,1,2)='b\0'; a b update t1 set a='cc' where substr(a,1,2)= 'b\0'; select a from t1 where substr(a,1,1)='c'; a cc delete from t1 where substr(a,1,2)='cc'; select hex(a) from t1; hex(a) 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616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161 626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262626262620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 drop table t1; create table t2 (a binary(255) not null, primary key(a)) engine='InnoDB' partition by key (a) partitions 27; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` binary(255) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 27 */ 26 inserts; insert into t2 values (repeat(char(ascii('a')+0),26+54)); insert into t2 values (repeat(char(ascii('a')+1),25+54)); insert into t2 values (repeat(char(ascii('a')+2),24+54)); insert into t2 values (repeat(char(ascii('a')+3),23+54)); insert into t2 values (repeat(char(ascii('a')+4),22+54)); insert into t2 values (repeat(char(ascii('a')+5),21+54)); insert into t2 values (repeat(char(ascii('a')+6),20+54)); insert into t2 values (repeat(char(ascii('a')+7),19+54)); insert into t2 values (repeat(char(ascii('a')+8),18+54)); insert into t2 values (repeat(char(ascii('a')+9),17+54)); insert into t2 values (repeat(char(ascii('a')+10),16+54)); insert into t2 values (repeat(char(ascii('a')+11),15+54)); insert into t2 values (repeat(char(ascii('a')+12),14+54)); insert into t2 values (repeat(char(ascii('a')+13),13+54)); insert into t2 values (repeat(char(ascii('a')+14),12+54)); insert into t2 values (repeat(char(ascii('a')+15),11+54)); insert into t2 values (repeat(char(ascii('a')+16),10+54)); insert into t2 values (repeat(char(ascii('a')+17),9+54)); insert into t2 values (repeat(char(ascii('a')+18),8+54)); insert into t2 values (repeat(char(ascii('a')+19),7+54)); insert into t2 values (repeat(char(ascii('a')+20),6+54)); insert into t2 values (repeat(char(ascii('a')+21),5+54)); insert into t2 values (repeat(char(ascii('a')+22),4+54)); insert into t2 values (repeat(char(ascii('a')+23),3+54)); insert into t2 values (repeat(char(ascii('a')+24),2+54)); insert into t2 values (repeat(char(ascii('a')+25),1+54)); select count(*) from t2; count(*) 26 select hex(a) from t2; hex(a) 616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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797979797979797979797979797979797979797979797979797979797979797979797979797979797979797979797979797979797979797900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 drop table t2; ---- Partitioning and varchar data type create table t1 (a varchar(767) not null, primary key(a)) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` varchar(767) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB) */ insert into t1 values (repeat('a',767)), ('b'), (repeat('a',500)), (repeat('b',64)); select * from t1; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb select * from t1 where a='b'; a b update t1 set a='bb' where a='b'; delete from t1 where a='bb'; select * from t1; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb drop table t1; create table t2 (a varchar(767) not null, primary key(a)) engine='InnoDB' partition by key (a) partitions 27; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` varchar(767) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 27 */ 26 inserts; insert into t2 values (repeat(char(ascii('a')+0),26*26)); insert into t2 values (repeat(char(ascii('a')+1),25*25)); insert into t2 values (repeat(char(ascii('a')+2),24*24)); insert into t2 values (repeat(char(ascii('a')+3),23*23)); insert into t2 values (repeat(char(ascii('a')+4),22*22)); insert into t2 values (repeat(char(ascii('a')+5),21*21)); insert into t2 values (repeat(char(ascii('a')+6),20*20)); insert into t2 values (repeat(char(ascii('a')+7),19*19)); insert into t2 values (repeat(char(ascii('a')+8),18*18)); insert into t2 values (repeat(char(ascii('a')+9),17*17)); insert into t2 values (repeat(char(ascii('a')+10),16*16)); insert into t2 values (repeat(char(ascii('a')+11),15*15)); insert into t2 values (repeat(char(ascii('a')+12),14*14)); insert into t2 values (repeat(char(ascii('a')+13),13*13)); insert into t2 values (repeat(char(ascii('a')+14),12*12)); insert into t2 values (repeat(char(ascii('a')+15),11*11)); insert into t2 values (repeat(char(ascii('a')+16),10*10)); insert into t2 values (repeat(char(ascii('a')+17),9*9)); insert into t2 values (repeat(char(ascii('a')+18),8*8)); insert into t2 values (repeat(char(ascii('a')+19),7*7)); insert into t2 values (repeat(char(ascii('a')+20),6*6)); insert into t2 values (repeat(char(ascii('a')+21),5*5)); insert into t2 values (repeat(char(ascii('a')+22),4*4)); insert into t2 values (repeat(char(ascii('a')+23),3*3)); insert into t2 values (repeat(char(ascii('a')+24),2*2)); insert into t2 values (repeat(char(ascii('a')+25),1*1)); select count(*) from t2; count(*) 26 select * from t2; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo ppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss ttttttttttttttttttttttttttttttttttttttttttttttttt uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu vvvvvvvvvvvvvvvvvvvvvvvvv wwwwwwwwwwwwwwww xxxxxxxxx yyyy z drop table t2; ---- Partitioning and varbinary data type create table t1 (a varbinary(767) not null, primary key(a)) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` varbinary(767) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB) */ insert into t1 values (repeat('a',767)), ('b'), (repeat('a',500)), (repeat('b',64)); select * from t1; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb select * from t1 where a='b'; a b update t1 set a='bb' where a='b'; delete from t1 where a='bb'; select * from t1; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb drop table t1; create table t2 (a varbinary(767) not null, primary key(a)) engine='InnoDB' partition by key (a) partitions 30; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` varbinary(767) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 30 */ 26 inserts; insert into t2 values (repeat(char(ascii('a')+0),26*26)); insert into t2 values (repeat(char(ascii('a')+1),25*25)); insert into t2 values (repeat(char(ascii('a')+2),24*24)); insert into t2 values (repeat(char(ascii('a')+3),23*23)); insert into t2 values (repeat(char(ascii('a')+4),22*22)); insert into t2 values (repeat(char(ascii('a')+5),21*21)); insert into t2 values (repeat(char(ascii('a')+6),20*20)); insert into t2 values (repeat(char(ascii('a')+7),19*19)); insert into t2 values (repeat(char(ascii('a')+8),18*18)); insert into t2 values (repeat(char(ascii('a')+9),17*17)); insert into t2 values (repeat(char(ascii('a')+10),16*16)); insert into t2 values (repeat(char(ascii('a')+11),15*15)); insert into t2 values (repeat(char(ascii('a')+12),14*14)); insert into t2 values (repeat(char(ascii('a')+13),13*13)); insert into t2 values (repeat(char(ascii('a')+14),12*12)); insert into t2 values (repeat(char(ascii('a')+15),11*11)); insert into t2 values (repeat(char(ascii('a')+16),10*10)); insert into t2 values (repeat(char(ascii('a')+17),9*9)); insert into t2 values (repeat(char(ascii('a')+18),8*8)); insert into t2 values (repeat(char(ascii('a')+19),7*7)); insert into t2 values (repeat(char(ascii('a')+20),6*6)); insert into t2 values (repeat(char(ascii('a')+21),5*5)); insert into t2 values (repeat(char(ascii('a')+22),4*4)); insert into t2 values (repeat(char(ascii('a')+23),3*3)); insert into t2 values (repeat(char(ascii('a')+24),2*2)); insert into t2 values (repeat(char(ascii('a')+25),1*1)); select count(*) from t2; count(*) 26 select * from t2; a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo ppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss ttttttttttttttttttttttttttttttttttttttttttttttttt uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu vvvvvvvvvvvvvvvvvvvvvvvvv wwwwwwwwwwwwwwww xxxxxxxxx yyyy z drop table t2; ---- Partitioning and enum data type create table t1 (a enum('A','B','C','D','E','F','G','H','I','J','K','L') not null, primary key(a)) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` enum('A','B','C','D','E','F','G','H','I','J','K','L') NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB) */ insert into t1 values ('A'),('D'),('L'),('G'); select * from t1; a A D G L select * from t1 where a='A'; a A update t1 set a='E' where a='L'; select * from t1; a A D E G delete from t1 where a='E'; select * from t1; a A D G drop table t1; create table t2 (a enum ( '1','2','3','4','5','6','7','8','9','0', 'A','B','C','D','E','F','G','H','I','J','K','L', 'M','N','O','P','Q','R','S','T','U','V','W','X', 'Y','Z' ) not null, primary key(a)) engine='InnoDB' partition by key (a) partitions 27; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` enum('1','2','3','4','5','6','7','8','9','0','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z') NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 27 */ 0 inserts; insert into t2 values (char(ascii('A')+26)); Warnings: Warning 1265 Data truncated for column 'a' at row 1 insert into t2 values (char(ascii('A')+25)); insert into t2 values (char(ascii('A')+24)); insert into t2 values (char(ascii('A')+23)); insert into t2 values (char(ascii('A')+22)); insert into t2 values (char(ascii('A')+21)); insert into t2 values (char(ascii('A')+20)); insert into t2 values (char(ascii('A')+19)); insert into t2 values (char(ascii('A')+18)); insert into t2 values (char(ascii('A')+17)); insert into t2 values (char(ascii('A')+16)); insert into t2 values (char(ascii('A')+15)); insert into t2 values (char(ascii('A')+14)); insert into t2 values (char(ascii('A')+13)); insert into t2 values (char(ascii('A')+12)); insert into t2 values (char(ascii('A')+11)); insert into t2 values (char(ascii('A')+10)); insert into t2 values (char(ascii('A')+9)); insert into t2 values (char(ascii('A')+8)); insert into t2 values (char(ascii('A')+7)); insert into t2 values (char(ascii('A')+6)); insert into t2 values (char(ascii('A')+5)); insert into t2 values (char(ascii('A')+4)); insert into t2 values (char(ascii('A')+3)); insert into t2 values (char(ascii('A')+2)); insert into t2 values (char(ascii('A')+1)); insert into t2 values ('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'),('0'); select count(*) from t2; count(*) 36 select * from t2; a 1 2 3 4 5 6 7 8 9 0 B C D E F G H I J K L M N O P Q R S T U V W X Y Z drop table t2; ---- Partitioning and set data type create table t1 (a set('A','B','C','D','E','F','G','H','I','J','K','L') not null, primary key(a)) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` set('A','B','C','D','E','F','G','H','I','J','K','L') NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB) */ insert into t1 values ('A,B'),('C,D'),('E,L'),('G,H,K'); select * from t1 order by a; a A,B C,D G,H,K E,L select * from t1 where a='A,B'; a A,B update t1 set a='A,B,C' where a='E,L'; select * from t1 order by a; a A,B A,B,C C,D G,H,K delete from t1 where a='A,B'; select * from t1 order by a; a A,B,C C,D G,H,K drop table t1; create table t2 (a set ( '1','2','3','4','5','6','7','8','9','0', 'A','B','C','D','E','F','G','H','I','J','K','L', 'M','N','O','P','Q','R','S','T','U','V','W','X', 'Y','Z' ) not null, primary key(a)) engine='InnoDB' partition by key (a) partitions 27; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` set('1','2','3','4','5','6','7','8','9','0','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z') NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 27 */ insert into t2 values ('A'),('B'),('C'),('D'),('E'),('F'),('G'),('H'),('I'),('K'),('L'),('M'),('N'),('O'),('P'),('Q'),('S'),('T'),('U'),('V'),('X'),('Y'),('Z'); insert into t2 values ('A,B'),('B,C'),('C,D'),('D,E'),('E,F'),('F,G'),('G,H'),('H,I'),('I,J'),('K,L'),('L,M'),('M,N'),('N,O'),('O,P'),('P,Q'),('Q,R'),('S,T'),('T,U'),('U,V'),('V,W'),('X,Y'),('Y,Z'),('Z,A'); insert into t2 values ('A,B,C'),('B,C,D'),('C,D,E'),('D,E,F'),('E,F,G'),('F,G,H'),('G,H,I'),('H,I,J'),('I,J,K'),('K,L,M'),('L,M,N'),('M,N,O'),('N,O,P'),('O,P,Q'),('P,Q,R'),('Q,R,S'),('S,T,U'),('T,U,V'),('U,V,W'),('V,W,X'),('X,Y,Z'),('Y,Z,A'),('Z,A,B'); insert into t2 values ('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'),('0'); insert into t2 values ('1,2'),('2,3'),('3,4'),('4,5'),('5,6'),('6,7'),('7,8'),('8,9'),('9,0'),('0,1'); insert into t2 values ('1,2,3'),('2,3,4'),('3,4,5'),('4,5,6'),('5,6,7'),('6,7,8'),('7,8,9'),('8,9,0'),('9,0,1'),('0,1,2'); select count(*) from t2; count(*) 99 select * from t2 order by a; a 1 2 1,2 3 2,3 1,2,3 4 3,4 2,3,4 5 4,5 3,4,5 6 5,6 4,5,6 7 6,7 5,6,7 8 7,8 6,7,8 9 8,9 7,8,9 0 1,0 1,2,0 9,0 1,9,0 8,9,0 A B A,B C B,C A,B,C D C,D B,C,D E D,E C,D,E F E,F D,E,F G F,G E,F,G H G,H F,G,H I H,I G,H,I I,J H,I,J K I,J,K L K,L M L,M K,L,M N M,N L,M,N O N,O M,N,O P O,P N,O,P Q P,Q O,P,Q Q,R P,Q,R S Q,R,S T S,T U T,U S,T,U V U,V T,U,V V,W U,V,W X V,W,X Y X,Y Z A,Z A,B,Z Y,Z A,Y,Z X,Y,Z drop table t2; ---- Partitioning and blob data type create table t1 (a blob not null, primary key(a(767))) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a blob not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a tinyblob not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a mediumblob not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a longblob not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function ---- Partitioning and text data type create table t1 (a text not null, primary key(a(767))) engine='InnoDB' partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a tinytext not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a mediumtext not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function create table t2 (a longtext not null, primary key(a(767))) engine='InnoDB' partition by key (a) partitions 30; ERROR HY000: A BLOB field is not allowed in partition function
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