1 drop table if exists t1,t2;
2 create table t1 (name char(20) not null, primary key (name));
3 create table t2 (name char(20) binary not null, primary key (name));
4 insert into t1 values ("å");
5 insert into t1 values ("ä");
6 insert into t1 values ("ö");
7 insert into t2 select * from t1;
8 select * from t1 order by name;
13 select concat("*",name,"*") from t1 order by 1;
18 select min(name),min(concat("*",name,"*")),max(name),max(concat("*",name,"*")) from t1;
19 min(name) min(concat("*",name,"*")) max(name) max(concat("*",name,"*"))
21 select * from t2 order by name;
26 select concat("*",name,"*") from t2 order by 1;
31 select min(name),min(concat("*",name,"*")),max(name),max(concat("*",name,"*")) from t2;
32 min(name) min(concat("*",name,"*")) max(name) max(concat("*",name,"*"))
34 select name from t1 where name between 'Ä' and 'Ö';
38 select name from t2 where name between 'ä' and 'ö';
43 select name from t2 where name between 'Ä' and 'Ö';
46 create table t1 (a char(10) not null, b char(10) binary not null,key (a), key(b));
47 insert into t1 values ("hello ","hello "),("hello2 ","hello2 ");
48 select concat("-",a,"-",b,"-") from t1 where a="hello";
49 concat("-",a,"-",b,"-")
51 select concat("-",a,"-",b,"-") from t1 where a="hello ";
52 concat("-",a,"-",b,"-")
54 select concat("-",a,"-",b,"-") from t1 ignore index (a) where a="hello ";
55 concat("-",a,"-",b,"-")
57 select concat("-",a,"-",b,"-") from t1 where b="hello";
58 concat("-",a,"-",b,"-")
60 select concat("-",a,"-",b,"-") from t1 where b="hello ";
61 concat("-",a,"-",b,"-")
63 select concat("-",a,"-",b,"-") from t1 ignore index (b) where b="hello ";
64 concat("-",a,"-",b,"-")
66 alter table t1 modify b tinytext not null, drop key b, add key (b(100));
67 select concat("-",a,"-",b,"-") from t1;
68 concat("-",a,"-",b,"-")
71 select concat("-",a,"-",b,"-") from t1 where b="hello ";
72 concat("-",a,"-",b,"-")
74 select concat("-",a,"-",b,"-") from t1 ignore index (b) where b="hello ";
75 concat("-",a,"-",b,"-")
78 create table t1 (b char(8));
79 insert into t1 values(NULL);
80 select b from t1 where binary b like '';
82 select b from t1 group by binary b like '';
85 select b from t1 having binary b like '';
88 create table t1 (a char(3) binary, b binary(3));
89 insert into t1 values ('aaa','bbb'),('AAA','BBB');
90 select upper(a),upper(b) from t1;
94 select lower(a),lower(b) from t1;
98 select * from t1 where upper(a)='AAA';
102 select * from t1 where lower(a)='aaa';
106 select * from t1 where upper(b)='BBB';
109 select * from t1 where lower(b)='bbb';
112 select charset(a), charset(b), charset(binary 'ccc') from t1 limit 1;
113 charset(a) charset(b) charset(binary 'ccc')
115 select collation(a), collation(b), collation(binary 'ccc') from t1 limit 1;
116 collation(a) collation(b) collation(binary 'ccc')
117 latin1_bin binary binary
119 create table t1( firstname char(20), lastname char(20));
120 insert into t1 values ("john","doe"),("John","Doe");
121 select * from t1 where firstname='john' and firstname like binary 'john';
124 select * from t1 where firstname='john' and binary 'john' = firstname;
127 select * from t1 where firstname='john' and firstname = binary 'john';
130 select * from t1 where firstname='John' and firstname like binary 'john';
133 select * from t1 where firstname='john' and firstname like binary 'John';
137 create table t1 (a binary);
138 show create table t1;
140 t1 CREATE TABLE `t1` (
141 `a` binary(1) DEFAULT NULL
142 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
144 create table t1 (col1 binary(4));
145 insert into t1 values ('a'),('a ');
146 select hex(col1) from t1;
150 alter table t1 modify col1 binary(10);
151 select hex(col1) from t1;
155 insert into t1 values ('b'),('b ');
156 select hex(col1) from t1;
164 a binary(20) NOT NULL DEFAULT '\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0',
167 INSERT INTO t1 SET a=unhex('1F9480179366F2BF567E1C4B964C1EF029087575');
168 INSERT INTO t1 SET a=unhex('1F9480179366F2BF567E1C4B964C1EF029082020');
169 INSERT INTO t1 SET a=unhex('1F9480179366F2BF567E1C4B964C1EF029080707');
170 SELECT hex(a) FROM t1 order by a;
172 1F9480179366F2BF567E1C4B964C1EF029080707
173 1F9480179366F2BF567E1C4B964C1EF029082020
174 1F9480179366F2BF567E1C4B964C1EF029087575
175 EXPLAIN SELECT hex(a) FROM t1 order by a;
176 id select_type table type possible_keys key key_len ref rows Extra
177 1 SIMPLE t1 index NULL idx 20 NULL 3 Using index
178 SELECT hex(a) from t1 WHERE a=unhex('1F9480179366F2BF567E1C4B964C1EF029082020');
180 1F9480179366F2BF567E1C4B964C1EF029082020
182 SELECT hex(a) from t1 WHERE a=unhex('1F9480179366F2BF567E1C4B964C1EF029082020');
183 id select_type table type possible_keys key key_len ref rows Extra
184 1 SIMPLE t1 ref idx idx 20 const 1 Using where; Using index
185 SELECT hex(a) from t1 WHERE a=unhex('1F9480179366F2BF567E1C4B964C1EF02908');
189 id numeric(20) NOT NULL,
190 lang varchar(8) NOT NULL,
191 msg varchar(32) NOT NULL,
192 PRIMARY KEY (id,lang)
194 INSERT INTO t1 VALUES (33, 'en', 'zzzzzzz');
195 INSERT INTO t1 VALUES (31, 'en', 'xxxxxxx');
196 INSERT INTO t1 VALUES (32, 'en', 'yyyyyyy');
197 SELECT * FROM t1 WHERE id=32;