func_str.test

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

select collation(conv(130,16,10)), coercibility(conv(130,16,10));
select collation(hex(130)), coercibility(hex(130));
select collation(char(130)), coercibility(hex(130));
select collation(format(130,10)), coercibility(format(130,10));
select collation(lcase(_latin2'a')), coercibility(lcase(_latin2'a'));
select collation(ucase(_latin2'a')), coercibility(ucase(_latin2'a'));
select collation(left(_latin2'a',1)), coercibility(left(_latin2'a',1));
select collation(right(_latin2'a',1)), coercibility(right(_latin2'a',1));
select collation(substring(_latin2'a',1,1)), coercibility(substring(_latin2'a',1,1));
select collation(concat(_latin2'a',_latin2'b')), coercibility(concat(_latin2'a',_latin2'b'));
select collation(lpad(_latin2'a',4,_latin2'b')), coercibility(lpad(_latin2'a',4,_latin2'b'));
select collation(rpad(_latin2'a',4,_latin2'b')), coercibility(rpad(_latin2'a',4,_latin2'b'));
select collation(concat_ws(_latin2'a',_latin2'b')), coercibility(concat_ws(_latin2'a',_latin2'b'));
select collation(make_set(255,_latin2'a',_latin2'b',_latin2'c')), coercibility(make_set(255,_latin2'a',_latin2'b',_latin2'c'));
select collation(export_set(255,_latin2'y',_latin2'n',_latin2' ')), coercibility(export_set(255,_latin2'y',_latin2'n',_latin2' '));
select collation(trim(_latin2' a ')), coercibility(trim(_latin2' a '));
select collation(ltrim(_latin2' a ')), coercibility(ltrim(_latin2' a '));
select collation(rtrim(_latin2' a ')), coercibility(rtrim(_latin2' a '));
select collation(trim(LEADING _latin2' ' FROM _latin2'a')), coercibility(trim(LEADING _latin2'a' FROM _latin2'a'));
select collation(trim(TRAILING _latin2' ' FROM _latin2'a')), coercibility(trim(TRAILING _latin2'a' FROM _latin2'a'));
select collation(trim(BOTH _latin2' ' FROM _latin2'a')), coercibility(trim(BOTH _latin2'a' FROM _latin2'a'));
select collation(repeat(_latin2'a',10)), coercibility(repeat(_latin2'a',10));
select collation(reverse(_latin2'ab')), coercibility(reverse(_latin2'ab'));
select collation(quote(_latin2'ab')), coercibility(quote(_latin2'ab'));
select collation(soundex(_latin2'ab')), coercibility(soundex(_latin2'ab'));
select collation(substring(_latin2'ab',1)), coercibility(substring(_latin2'ab',1));
select collation(insert(_latin2'abcd',2,3,_latin2'ef')), coercibility(insert(_latin2'abcd',2,3,_latin2'ef'));
select collation(replace(_latin2'abcd',_latin2'b',_latin2'B')), coercibility(replace(_latin2'abcd',_latin2'b',_latin2'B'));
select collation(encode('abcd','ab')), coercibility(encode('abcd','ab'));

create table t1 
select
  bin(130),
  oct(130),
  conv(130,16,10),
  hex(130),
  char(130),
  format(130,10),
  left(_latin2'a',1),
  right(_latin2'a',1), 
  lcase(_latin2'a'), 
  ucase(_latin2'a'),
  substring(_latin2'a',1,1),
  concat(_latin2'a',_latin2'b'),
  lpad(_latin2'a',4,_latin2'b'),
  rpad(_latin2'a',4,_latin2'b'),
  concat_ws(_latin2'a',_latin2'b'),
  make_set(255,_latin2'a',_latin2'b',_latin2'c'),
  export_set(255,_latin2'y',_latin2'n',_latin2' '),
  trim(_latin2' a '),
  ltrim(_latin2' a '),
  rtrim(_latin2' a '),
  trim(LEADING _latin2' ' FROM _latin2' a '),
  trim(TRAILING _latin2' ' FROM _latin2' a '),
  trim(BOTH _latin2' ' FROM _latin2' a '),
  repeat(_latin2'a',10),
  reverse(_latin2'ab'),
  quote(_latin2'ab'),
  soundex(_latin2'ab'),
  substring(_latin2'ab',1),
  insert(_latin2'abcd',2,3,_latin2'ef'),
  replace(_latin2'abcd',_latin2'b',_latin2'B'),
  encode('abcd','ab')
;
show create table t1;
drop table t1;

#
# Bug#9129
#
create table t1 (a char character set latin2);
insert into t1 values (null);
select charset(a), collation(a), coercibility(a) from t1;
drop table t1;
select charset(null), collation(null), coercibility(null);
#
# Make sure OUTER JOIN is not replaced with a regular joun
#
CREATE TABLE t1 (a int, b int);
CREATE TABLE t2 (a int, b int);
INSERT INTO t1 VALUES (1,1),(2,2);
INSERT INTO t2 VALUES (2,2),(3,3);
select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
where collation(t2.a) = _utf8'binary' order by t1.a,t2.a;
select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
where charset(t2.a) = _utf8'binary' order by t1.a,t2.a;
select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
where coercibility(t2.a) = 2 order by t1.a,t2.a;
DROP TABLE t1, t2;

#
# test for SUBSTR
#
select SUBSTR('abcdefg',3,2);
select SUBSTRING('abcdefg',3,2);
select SUBSTR('abcdefg',-3,2) FROM DUAL;
select SUBSTR('abcdefg',-1,5) FROM DUAL;
select SUBSTR('abcdefg',0,0) FROM DUAL;
select SUBSTR('abcdefg',-1,-1) FROM DUAL;
select SUBSTR('abcdefg',1,-1) FROM DUAL;

#
# Test that fix_fields doesn't follow to upper level (to comparison)
# when an error on a lower level (in concat) has accured:
#
create table t7 (s1 char);
--error 1267
select * from t7
where concat(s1 collate latin1_general_ci,s1 collate latin1_swedish_ci) = 'AA';
drop table t7;

select substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2),substring_index("1abcd;2abcd;3abcd;4abcd", ';', -2);

explain extended select md5('hello'), sha('abc'), sha1('abc'), soundex(''), 'mood' sounds like 'mud', aes_decrypt(aes_encrypt('abc','1'),'1'),concat('*',space(5),'*'), reverse('abc'), rpad('a',4,'1'), lpad('a',4,'1'),  concat_ws(',','',NULL,'a'),make_set(255,_latin2'a',_latin2'b',_latin2'c'),elt(2,1),locate("a","b",2),format(130,10),char(0),conv(130,16,10),hex(130),binary 'HE', export_set(255,_latin2'y',_latin2'n',_latin2' '),FIELD('b' COLLATE latin1_bin,'A','B'),FIND_IN_SET(_latin1'B',_latin1'a,b,c,d'),collation(conv(130,16,10)), coercibility(conv(130,16,10)),length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h'),quote(1/0),crc32("123"),replace('aaaa','a','b'),insert('txs',2,1,'hi'),left(_latin2'a',1),right(_latin2'a',1),lcase(_latin2'a'),ucase(_latin2'a'),SUBSTR('abcdefg',3,2),substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2),trim(_latin2' a '),ltrim(_latin2' a '),rtrim(_latin2' a '), decode(encode(repeat("a",100000),"monty"),"monty");

#
# lpad returns incorrect result (Bug #2182)
#

SELECT lpad(12345, 5, "#");

#
# Problem the the CONV() function (Bug #2972)
#
 
SELECT conv(71, 10, 36), conv('1Z', 36, 10);
SELECT conv(71, 10, 37), conv('1Z', 37, 10), conv(0,1,10),conv(0,0,10), conv(0,-1,10);

#
# Bug in SUBSTRING when mixed with CONCAT and ORDER BY (Bug #3089)
#

create table t1 (id int(1), str varchar(10)) DEFAULT CHARSET=utf8;
insert into t1 values (1,'aaaaaaaaaa'), (2,'bbbbbbbbbb');
create table t2 (id int(1), str varchar(10)) DEFAULT CHARSET=utf8;
insert into t2 values (1,'cccccccccc'), (2,'dddddddddd');
select substring(concat(t1.str, t2.str), 1, 15) "name" from t1, t2 
where t2.id=t1.id order by name;
drop table t1, t2;

#
# Test case for conversion of long string value to integer (Bug #3472)
#

create table t1 (c1 INT, c2 INT UNSIGNED);
insert into t1 values ('21474836461','21474836461');
insert into t1 values ('-21474836461','-21474836461');
show warnings;
select * from t1;
drop table t1;

#
# Bug #4878: LEFT() in integer/float context
#

select left(1234, 3) + 0;

#
# Bug #7101: bug with LEFT() when used as a field in GROUP BY aggregation
#
create table t1 (a int not null primary key, b varchar(40), c datetime);
insert into t1 (a,b,c) values (1,'Tom','2004-12-10 12:13:14'),(2,'ball games','2004-12-10 12:13:14'), (3,'Basil','2004-12-10 12:13:14'), (4,'Dean','2004-12-10 12:13:14'),(5,'Ellis','2004-12-10 12:13:14'), (6,'Serg','2004-12-10 12:13:14'), (7,'Sergei','2004-12-10 12:13:14'),(8,'Georg','2004-12-10 12:13:14'),(9,'Salle','2004-12-10 12:13:14'),(10,'Sinisa','2004-12-10 12:13:14'); 
select count(*) as total, left(c,10) as reg from t1 group by reg order by reg desc limit 0,12;
drop table t1;

#
# Bug#7455 unexpected result: TRIM(<NULL> FROM <whatever>) gives NOT NULL
# According to ANSI if one of the TRIM arguments is NULL, then the result
# must be NULL too.
#
select trim(null from 'kate') as "must_be_null";
select trim('xyz' from null) as "must_be_null";
select trim(leading NULL from 'kate') as "must_be_null";
select trim(trailing NULL from 'xyz') as "must_be_null";

#
# Bug #7751 - conversion for a bigint unsigned constant 
#

CREATE TABLE t1 (
  id int(11) NOT NULL auto_increment,
  a bigint(20) unsigned default NULL,
  PRIMARY KEY  (id)
) ENGINE=MyISAM;

INSERT INTO t1 VALUES
('0','16307858876001849059');

SELECT CONV('e251273eb74a8ee3', 16, 10);

EXPLAIN 
SELECT id
  FROM t1
  WHERE a = 16307858876001849059;

EXPLAIN 
  SELECT id
  FROM t1
  WHERE a = CONV('e251273eb74a8ee3', 16, 10);

DROP TABLE t1;

#
# Bug #6317: string function CHAR, parameter is NULL, wrong result
#
SELECT CHAR(NULL,121,83,81,'76') as my_column;
SELECT CHAR_LENGTH(CHAR(NULL,121,83,81,'76')) as my_column;
#
# Test case for bug #8669: null aes_decrypt result in order by query
#

CREATE TABLE t1 (id int PRIMARY KEY, str char(255) NOT NULL);
CREATE TABLE t2 (id int NOT NULL UNIQUE);
INSERT INTO t2 VALUES (1),(2);
INSERT INTO t1 VALUES (1, aes_encrypt('foo', 'bar'));
INSERT INTO t1 VALUES (2, 'not valid');

SELECT t1.id, aes_decrypt(str, 'bar') FROM t1, t2 WHERE t1.id = t2.id;
SELECT t1.id, aes_decrypt(str, 'bar') FROM t1, t2 WHERE t1.id = t2.id
 ORDER BY t1.id;

DROP TABLE t1, t2;

#
# Bug #10944: Mishandling of NULL arguments in FIELD()
#
select field(0,NULL,1,0), field("",NULL,"bar",""), field(0.0,NULL,1.0,0.0);
select field(NULL,1,2,NULL), field(NULL,1,2,0);

#
# Bug #10124: access by integer index with a string key that is not a number  
#

CREATE TABLE t1 (str varchar(20) PRIMARY KEY);
CREATE TABLE t2 (num int primary key);
INSERT INTO t1 VALUES ('notnumber');
INSERT INTO t2 VALUES (0), (1); 

SELECT * FROM t1, t2 WHERE num=str;
SELECT * FROM t1, t2 WHERE num=substring(str from 1 for 6);

DROP TABLE t1,t2;

#
# Bug #11469: NOT NULL optimization wrongly used for arguments of CONCAT_WS  
#

CREATE TABLE t1(
  id int(11) NOT NULL auto_increment,
  pc int(11) NOT NULL default '0',
  title varchar(20) default NULL,
  PRIMARY KEY (id)
);

INSERT INTO t1 VALUES
  (1, 0, 'Main'),
  (2, 1, 'Toys'),
  (3, 1, 'Games');

SELECT t1.id, CONCAT_WS('->', t3.title, t2.title, t1.title) as col1
  FROM t1 LEFT JOIN t1 AS t2 ON t1.pc=t2.id
          LEFT JOIN t1 AS t3 ON t2.pc=t3.id;
SELECT t1.id, CONCAT_WS('->', t3.title, t2.title, t1.title) as col1
  FROM t1 LEFT JOIN t1 AS t2 ON t1.pc=t2.id
          LEFT JOIN t1 AS t3 ON t2.pc=t3.id
    WHERE CONCAT_WS('->', t3.title, t2.title, t1.title) LIKE '%Toys%';

DROP TABLE t1;


CREATE TABLE t1(
  trackid     int(10) unsigned NOT NULL auto_increment,
  trackname   varchar(100) NOT NULL default '',
  PRIMARY KEY (trackid)
);

CREATE TABLE t2(
  artistid    int(10) unsigned NOT NULL auto_increment,
  artistname  varchar(100) NOT NULL default '',
  PRIMARY KEY (artistid)
);

CREATE TABLE t3(
  trackid     int(10) unsigned NOT NULL,
  artistid    int(10) unsigned NOT NULL,
  PRIMARY KEY (trackid,artistid)
);

INSERT INTO t1 VALUES (1, 'April In Paris'), (2, 'Autumn In New York');
INSERT INTO t2 VALUES (1, 'Vernon Duke');
INSERT INTO t3 VALUES (1,1);

SELECT CONCAT_WS(' ', trackname, artistname) trackname, artistname
  FROM t1 LEFT JOIN t3 ON t1.trackid=t3.trackid
          LEFT JOIN t2 ON t2.artistid=t3.artistid
    WHERE CONCAT_WS(' ', trackname, artistname) LIKE '%In%';

DROP TABLE t1,t2,t3;

#
# Correct length reporting from substring() (BUG#10269)
#
create table t1 (b varchar(5));
insert t1 values ('ab'), ('abc'), ('abcd'), ('abcde');
select *,substring(b,1),substring(b,-1),substring(b,-2),substring(b,-3),substring(b,-4),substring(b,-5) from t1;
select * from (select *,substring(b,1),substring(b,-1),substring(b,-2),substring(b,-3),substring(b,-4),substring(b,-5) from t1) t;
drop table t1;

#
# Bug #9854  hex() and out of range handling
#
select hex(29223372036854775809), hex(-29223372036854775809);

#
# Bug #11311: Incorrect length returned from LPAD() and RPAD()
#
create table t1 (i int);
insert into t1 values (1000000000),(1);
--enable_metadata
select lpad(i, 7, ' ') as t from t1;
select rpad(i, 7, ' ') as t from t1;
--disable_metadata
drop table t1;

# End of 4.1 tests

#
# Bug #13361: SELECT FORMAT(<decimal field with null>, 2) crashes
#
create table t1 (d decimal default null);
insert into t1 values (null);
select format(d, 2) from t1;
drop table t1;

#
# Bug #14676: substring_index() returns incorrect results
#
create table t1 (c varchar(40));
insert into t1 values ('y,abc'),('y,abc');
select c, substring_index(lcase(c), @q:=',', -1) as res from t1;
drop table t1;

# End of 5.0 tests