drop table if exists t1,t2;
set names latin1;
select 'hello',"'hello'",'""hello""','''h''e''l''l''o''',"hel""lo",'hel\'lo';
hello 'hello' ""hello"" 'h'e'l'l'o' hel"lo hel'lo
hello 'hello' ""hello"" 'h'e'l'l'o' hel"lo hel'lo
select 'hello' 'monty';
hello
hellomonty
select length('\n\t\r\b\0\_\%\\');
length('\n\t\r\b\0\_\%\\')
10
select bit_length('\n\t\r\b\0\_\%\\');
bit_length('\n\t\r\b\0\_\%\\')
80
select char_length('\n\t\r\b\0\_\%\\');
char_length('\n\t\r\b\0\_\%\\')
10
select length(_latin1'\n\t\n\b\0\\_\\%\\');
length(_latin1'\n\t\n\b\0\\_\\%\\')
10
select concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h');
concat('monty',' was here ','again') length('hello') char(ascii('h')) ord('h')
monty was here again 5 h 104
select hex(char(256));
hex(char(256))
0100
select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
locate('he','hello') locate('he','hello',2) locate('lo','hello',2)
1 0 4
select instr('hello','HE'), instr('hello',binary 'HE'), instr(binary 'hello','HE');
instr('hello','HE') instr('hello',binary 'HE') instr(binary 'hello','HE')
1 0 0
select position(binary 'll' in 'hello'),position('a' in binary 'hello');
position(binary 'll' in 'hello') position('a' in binary 'hello')
3 0
select left('hello',null), right('hello',null);
left('hello',null) right('hello',null)
NULL NULL
select left('hello',2),right('hello',2),substring('hello',2,2),mid('hello',1,5) ;
left('hello',2) right('hello',2) substring('hello',2,2) mid('hello',1,5)
he lo el hello
select concat('',left(right(concat('what ',concat('is ','happening')),9),4),'',substring('monty',5,1)) ;
concat('',left(right(concat('what ',concat('is ','happening')),9),4),'',substring('monty',5,1))
happy
select substring_index('www.tcx.se','.',-2),substring_index('www.tcx.se','.',1);
substring_index('www.tcx.se','.',-2) substring_index('www.tcx.se','.',1)
tcx.se www
select substring_index('www.tcx.se','tcx',1),substring_index('www.tcx.se','tcx',-1);
substring_index('www.tcx.se','tcx',1) substring_index('www.tcx.se','tcx',-1)
www. .se
select substring_index('.tcx.se','.',-2),substring_index('.tcx.se','.tcx',-1);
substring_index('.tcx.se','.',-2) substring_index('.tcx.se','.tcx',-1)
tcx.se .se
select substring_index('aaaaaaaaa1','a',1);
substring_index('aaaaaaaaa1','a',1)
select substring_index('aaaaaaaaa1','aa',1);
substring_index('aaaaaaaaa1','aa',1)
select substring_index('aaaaaaaaa1','aa',2);
substring_index('aaaaaaaaa1','aa',2)
aa
select substring_index('aaaaaaaaa1','aa',3);
substring_index('aaaaaaaaa1','aa',3)
aaaa
select substring_index('aaaaaaaaa1','aa',4);
substring_index('aaaaaaaaa1','aa',4)
aaaaaa
select substring_index('aaaaaaaaa1','aa',5);
substring_index('aaaaaaaaa1','aa',5)
aaaaaaaaa1
select substring_index('aaaaaaaaa1','aaa',1);
substring_index('aaaaaaaaa1','aaa',1)
select substring_index('aaaaaaaaa1','aaa',2);
substring_index('aaaaaaaaa1','aaa',2)
aaa
select substring_index('aaaaaaaaa1','aaa',3);
substring_index('aaaaaaaaa1','aaa',3)
aaaaaa
select substring_index('aaaaaaaaa1','aaa',4);
substring_index('aaaaaaaaa1','aaa',4)
aaaaaaaaa1
select substring_index('aaaaaaaaa1','aaaa',1);
substring_index('aaaaaaaaa1','aaaa',1)
select substring_index('aaaaaaaaa1','aaaa',2);
substring_index('aaaaaaaaa1','aaaa',2)
aaaa
select substring_index('aaaaaaaaa1','1',1);
substring_index('aaaaaaaaa1','1',1)
aaaaaaaaa
select substring_index('aaaaaaaaa1','a',-1);
substring_index('aaaaaaaaa1','a',-1)
1
select substring_index('aaaaaaaaa1','aa',-1);
substring_index('aaaaaaaaa1','aa',-1)
1
select substring_index('aaaaaaaaa1','aa',-2);
substring_index('aaaaaaaaa1','aa',-2)
aa1
select substring_index('aaaaaaaaa1','aa',-3);
substring_index('aaaaaaaaa1','aa',-3)
aaaa1
select substring_index('aaaaaaaaa1','aa',-4);
substring_index('aaaaaaaaa1','aa',-4)
aaaaaa1
select substring_index('aaaaaaaaa1','aa',-5);
substring_index('aaaaaaaaa1','aa',-5)
aaaaaaaaa1
select substring_index('aaaaaaaaa1','aaa',-1);
substring_index('aaaaaaaaa1','aaa',-1)
1
select substring_index('aaaaaaaaa1','aaa',-2);
substring_index('aaaaaaaaa1','aaa',-2)
aaa1
select substring_index('aaaaaaaaa1','aaa',-3);
substring_index('aaaaaaaaa1','aaa',-3)
aaaaaa1
select substring_index('aaaaaaaaa1','aaa',-4);
substring_index('aaaaaaaaa1','aaa',-4)
aaaaaaaaa1
select substring_index('the king of thethe hill','the',-2);
substring_index('the king of thethe hill','the',-2)
the hill
select substring_index('the king of the the hill','the',-2);
substring_index('the king of the the hill','the',-2)
the hill
select substring_index('the king of the the hill','the',-2);
substring_index('the king of the the hill','the',-2)
the hill
select substring_index('the king of the the hill',' the ',-1);
substring_index('the king of the the hill',' the ',-1)
hill
select substring_index('the king of the the hill',' the ',-2);
substring_index('the king of the the hill',' the ',-2)
the hill
select substring_index('the king of the the hill',' ',-1);
substring_index('the king of the the hill',' ',-1)
hill
select substring_index('the king of the the hill',' ',-2);
substring_index('the king of the the hill',' ',-2)
the hill
select substring_index('the king of the the hill',' ',-3);
substring_index('the king of the the hill',' ',-3)
the hill
select substring_index('the king of the the hill',' ',-4);
substring_index('the king of the the hill',' ',-4)
the the hill
select substring_index('the king of the the hill',' ',-5);
substring_index('the king of the the hill',' ',-5)
of the the hill
select substring_index('the king of the.the hill','the',-2);
substring_index('the king of the.the hill','the',-2)
.the hill
select substring_index('the king of thethethe.the hill','the',-3);
substring_index('the king of thethethe.the hill','the',-3)
the.the hill
select substring_index('the king of thethethe.the hill','the',-1);
substring_index('the king of thethethe.the hill','the',-1)
hill
select substring_index('the king of the the hill','the',1);
substring_index('the king of the the hill','the',1)
select substring_index('the king of the the hill','the',2);
substring_index('the king of the the hill','the',2)
the king of
select substring_index('the king of the the hill','the',3);
substring_index('the king of the the hill','the',3)
the king of the
select concat(':',ltrim(' left '),':',rtrim(' right '),':');
concat(':',ltrim(' left '),':',rtrim(' right '),':')
:left : right:
select concat(':',trim(leading from ' left '),':',trim(trailing from ' right '),':');
concat(':',trim(leading from ' left '),':',trim(trailing from ' right '),':')
:left : right:
select concat(':',trim(LEADING FROM ' left'),':',trim(TRAILING FROM ' right '),':');
concat(':',trim(LEADING FROM ' left'),':',trim(TRAILING FROM ' right '),':')
:left: right:
select concat(':',trim(' m '),':',trim(BOTH FROM ' y '),':',trim('*' FROM '*s*'),':');
concat(':',trim(' m '),':',trim(BOTH FROM ' y '),':',trim('*' FROM '*s*'),':')
:m:y:s:
select concat(':',trim(BOTH 'ab' FROM 'ababmyabab'),':',trim(BOTH '*' FROM '***sql'),':');
concat(':',trim(BOTH 'ab' FROM 'ababmyabab'),':',trim(BOTH '*' FROM '***sql'),':')
:my:sql:
select concat(':',trim(LEADING '.*' FROM '.*my'),':',trim(TRAILING '.*' FROM 'sql.*.*'),':');
concat(':',trim(LEADING '.*' FROM '.*my'),':',trim(TRAILING '.*' FROM 'sql.*.*'),':')
:my:sql:
select TRIM("foo" FROM "foo"), TRIM("foo" FROM "foook"), TRIM("foo" FROM "okfoo");
TRIM("foo" FROM "foo") TRIM("foo" FROM "foook") TRIM("foo" FROM "okfoo")
ok ok
select concat_ws(', ','monty','was here','again');
concat_ws(', ','monty','was here','again')
monty, was here, again
select concat_ws(NULL,'a'),concat_ws(',',NULL,'');
concat_ws(NULL,'a') concat_ws(',',NULL,'')
NULL
select concat_ws(',','',NULL,'a');
concat_ws(',','',NULL,'a')
,a
SELECT CONCAT('"',CONCAT_WS('";"',repeat('a',60),repeat('b',60),repeat('c',60),repeat('d',100)), '"');
CONCAT('"',CONCAT_WS('";"',repeat('a',60),repeat('b',60),repeat('c',60),repeat('d',100)), '"')
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc";"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is test
select replace('aaaa','a','b'),replace('aaaa','aa','b'),replace('aaaa','a','bb'),replace('aaaa','','b'),replace('bbbb','a','c');
replace('aaaa','a','b') replace('aaaa','aa','b') replace('aaaa','a','bb') replace('aaaa','','b') replace('bbbb','a','c')
bbbb bb bbbbbbbb aaaa bbbb
select replace(concat(lcase(concat('THIS',' ','IS',' ','A',' ')),ucase('false'),' ','test'),'FALSE','REAL') ;
replace(concat(lcase(concat('THIS',' ','IS',' ','A',' ')),ucase('false'),' ','test'),'FALSE','REAL')
this is a REAL test
select soundex(''),soundex('he'),soundex('hello all folks'),soundex('#3556 in bugdb');
soundex('') soundex('he') soundex('hello all folks') soundex('#3556 in bugdb')
H000 H4142 I51231
select 'mood' sounds like 'mud';
'mood' sounds like 'mud'
1
select 'Glazgo' sounds like 'Liverpool';
'Glazgo' sounds like 'Liverpool'
0
select null sounds like 'null';
null sounds like 'null'
NULL
select 'null' sounds like null;
'null' sounds like null
NULL
select null sounds like null;
null sounds like null
NULL
select md5('hello');
md5('hello')
5d41402abc4b2a76b9719d911017c592
select crc32("123");
crc32("123")
2286445522
select sha('abc');
sha('abc')
a9993e364706816aba3e25717850c26c9cd0d89d
select sha1('abc');
sha1('abc')
a9993e364706816aba3e25717850c26c9cd0d89d
select aes_decrypt(aes_encrypt('abc','1'),'1');
aes_decrypt(aes_encrypt('abc','1'),'1')
abc
select aes_decrypt(aes_encrypt('abc','1'),1);
aes_decrypt(aes_encrypt('abc','1'),1)
abc
select aes_encrypt(NULL,"a");
aes_encrypt(NULL,"a")
NULL
select aes_encrypt("a",NULL);
aes_encrypt("a",NULL)
NULL
select aes_decrypt(NULL,"a");
aes_decrypt(NULL,"a")
NULL
select aes_decrypt("a",NULL);
aes_decrypt("a",NULL)
NULL
select aes_decrypt("a","a");
aes_decrypt("a","a")
NULL
select aes_decrypt(aes_encrypt("","a"),"a");
aes_decrypt(aes_encrypt("","a"),"a")
select repeat('monty',5),concat('*',space(5),'*');
repeat('monty',5) concat('*',space(5),'*')
montymontymontymontymonty * *
select reverse('abc'),reverse('abcd');
reverse('abc') reverse('abcd')
cba dcba
select rpad('a',4,'1'),rpad('a',4,'12'),rpad('abcd',3,'12'), rpad(11, 10 , 22), rpad("ab", 10, 22);
rpad('a',4,'1') rpad('a',4,'12') rpad('abcd',3,'12') rpad(11, 10 , 22) rpad("ab", 10, 22)
a111 a121 abc 1122222222 ab22222222
select lpad('a',4,'1'),lpad('a',4,'12'),lpad('abcd',3,'12'), lpad(11, 10 , 22);
lpad('a',4,'1') lpad('a',4,'12') lpad('abcd',3,'12') lpad(11, 10 , 22)
111a 121a abc 2222222211
select rpad(741653838,17,'0'),lpad(741653838,17,'0');
rpad(741653838,17,'0') lpad(741653838,17,'0')
74165383800000000 00000000741653838
select rpad('abcd',7,'ab'),lpad('abcd',7,'ab');
rpad('abcd',7,'ab') lpad('abcd',7,'ab')
abcdaba abaabcd
select rpad('abcd',1,'ab'),lpad('abcd',1,'ab');
rpad('abcd',1,'ab') lpad('abcd',1,'ab')
a a
select rpad('STRING', 20, CONCAT('p','a','d') );
rpad('STRING', 20, CONCAT('p','a','d') )
STRINGpadpadpadpadpa
select lpad('STRING', 20, CONCAT('p','a','d') );
lpad('STRING', 20, CONCAT('p','a','d') )
padpadpadpadpaSTRING
select LEAST(NULL,'HARRY','HARRIOT',NULL,'HAROLD'),GREATEST(NULL,'HARRY','HARRIOT',NULL,'HAROLD');
LEAST(NULL,'HARRY','HARRIOT',NULL,'HAROLD') GREATEST(NULL,'HARRY','HARRIOT',NULL,'HAROLD')
NULL NULL
select least(1,2,3) | greatest(16,32,8), least(5,4)*1,greatest(-1.0,1.0)*1,least(3,2,1)*1.0,greatest(1,1.1,1.0),least("10",9),greatest("A","B","0");
least(1,2,3) | greatest(16,32,8) least(5,4)*1 greatest(-1.0,1.0)*1 least(3,2,1)*1.0 greatest(1,1.1,1.0) least("10",9) greatest("A","B","0")
33 4 1.0 1.0 1.1 9 B
select decode(encode(repeat("a",100000),"monty"),"monty")=repeat("a",100000);
decode(encode(repeat("a",100000),"monty"),"monty")=repeat("a",100000)
1
select decode(encode("abcdef","monty"),"monty")="abcdef";
decode(encode("abcdef","monty"),"monty")="abcdef"
1
select quote('\'\"\\test');
quote('\'\"\\test')
'\'"\\test'
select quote(concat('abc\'', '\\cba'));
quote(concat('abc\'', '\\cba'))
'abc\'\\cba'
select quote(1/0), quote('\0\Z');
quote(1/0) quote('\0\Z')
NULL '\0\Z'
select length(quote(concat(char(0),"test")));
length(quote(concat(char(0),"test")))
8
select hex(quote(concat(char(224),char(227),char(230),char(231),char(232),char(234),char(235))));
hex(quote(concat(char(224),char(227),char(230),char(231),char(232),char(234),char(235))))
27E0E3E6E7E8EAEB27
select unhex(hex("foobar")), hex(unhex("1234567890ABCDEF")), unhex("345678"), unhex(NULL);
unhex(hex("foobar")) hex(unhex("1234567890ABCDEF")) unhex("345678") unhex(NULL)
foobar 1234567890ABCDEF 4Vx NULL
select hex(unhex("1")), hex(unhex("12")), hex(unhex("123")), hex(unhex("1234")), hex(unhex("12345")), hex(unhex("123456"));
hex(unhex("1")) hex(unhex("12")) hex(unhex("123")) hex(unhex("1234")) hex(unhex("12345")) hex(unhex("123456"))
01 12 0123 1234 012345 123456
select length(unhex(md5("abrakadabra")));
length(unhex(md5("abrakadabra")))
16
select concat('a', quote(NULL));
concat('a', quote(NULL))
aNULL
select reverse("");
reverse("")
select insert("aa",100,1,"b"),insert("aa",1,3,"b"),left("aa",-1),substring("a",1,2);
insert("aa",100,1,"b") insert("aa",1,3,"b") left("aa",-1) substring("a",1,2)
aa b a
select elt(2,1),field(NULL,"a","b","c"),reverse("");
elt(2,1) field(NULL,"a","b","c") reverse("")
NULL 0
select locate("a","b",2),locate("","a",1);
locate("a","b",2) locate("","a",1)
0 1
select ltrim("a"),rtrim("a"),trim(BOTH "" from "a"),trim(BOTH " " from "a");
ltrim("a") rtrim("a") trim(BOTH "" from "a") trim(BOTH " " from "a")
a a a a
select concat("1","2")|0,concat("1",".5")+0.0;
concat("1","2")|0 concat("1",".5")+0.0
12 1.5
select substring_index("www.tcx.se","",3);
substring_index("www.tcx.se","",3)
select length(repeat("a",100000000)),length(repeat("a",1000*64));
length(repeat("a",100000000)) length(repeat("a",1000*64))
NULL 64000
Warnings:
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select position("0" in "baaa" in (1)),position("0" in "1" in (1,2,3)),position("sql" in ("mysql"));
position("0" in "baaa" in (1)) position("0" in "1" in (1,2,3)) position("sql" in ("mysql"))
1 0 3
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'baaa'
select position(("1" in (1,2,3)) in "01");
position(("1" in (1,2,3)) in "01")
2
select length(repeat("a",65500)),length(concat(repeat("a",32000),repeat("a",32000))),length(replace("aaaaa","a",concat(repeat("a",10000)))),length(insert(repeat("a",40000),1,30000,repeat("b",50000)));
length(repeat("a",65500)) length(concat(repeat("a",32000),repeat("a",32000))) length(replace("aaaaa","a",concat(repeat("a",10000)))) length(insert(repeat("a",40000),1,30000,repeat("b",50000)))
65500 64000 50000 60000
select length(repeat("a",1000000)),length(concat(repeat("a",32000),repeat("a",32000),repeat("a",32000))),length(replace("aaaaa","a",concat(repeat("a",32000)))),length(insert(repeat("a",48000),1,1000,repeat("a",48000)));
length(repeat("a",1000000)) length(concat(repeat("a",32000),repeat("a",32000),repeat("a",32000))) length(replace("aaaaa","a",concat(repeat("a",32000)))) length(insert(repeat("a",48000),1,1000,repeat("a",48000)))
1000000 96000 160000 95000
create table t1 ( domain char(50) );
insert into t1 VALUES ("hello.de" ), ("test.de" );
select domain from t1 where concat('@', trim(leading '.' from concat('.', domain))) = '@hello.de';
domain
hello.de
select domain from t1 where concat('@', trim(leading '.' from concat('.', domain))) = '@test.de';
domain
test.de
drop table t1;
CREATE TABLE t1 (
id int(10) unsigned NOT NULL,
title varchar(255) default NULL,
prio int(10) unsigned default NULL,
category int(10) unsigned default NULL,
program int(10) unsigned default NULL,
bugdesc text,
created datetime default NULL,
modified timestamp NOT NULL,
bugstatus int(10) unsigned default NULL,
submitter int(10) unsigned default NULL
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'Link',1,1,1,'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa','2001-02-28 08:40:16',20010228084016,0,4);
SELECT CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter), '"') FROM t1;
CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter), '"')
"Link";"1";"1";"1";"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"2001-02-28 08:40:16";"20010228084016";"0";"4"
SELECT CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugstatus,submitter), '"') FROM t1;
CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugstatus,submitter), '"')
"Link";"1";"1";"1";"0";"4"
SELECT CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter) FROM t1;
CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter)
Link";"1";"1";"1";"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"2001-02-28 08:40:16";"20010228084016";"0";"4
SELECT bugdesc, REPLACE(bugdesc, 'xxxxxxxxxxxxxxxxxxxx', 'bbbbbbbbbbbbbbbbbbbb') from t1 group by bugdesc;
bugdesc REPLACE(bugdesc, 'xxxxxxxxxxxxxxxxxxxx', 'bbbbbbbbbbbbbbbbbbbb')
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
drop table t1;
CREATE TABLE t1 (id int(11) NOT NULL auto_increment, tmp text NOT NULL, KEY id (id)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1, 'a545f661efdd1fb66fdee3aab79945bf');
SELECT 1 FROM t1 WHERE tmp=AES_DECRYPT(tmp,"password");
1
DROP TABLE t1;
CREATE TABLE t1 (
wid int(10) unsigned NOT NULL auto_increment,
data_podp date default NULL,
status_wnio enum('nowy','podp','real','arch') NOT NULL default 'nowy',
PRIMARY KEY(wid)
);
INSERT INTO t1 VALUES (8,NULL,'real');
INSERT INTO t1 VALUES (9,NULL,'nowy');
SELECT elt(status_wnio,data_podp) FROM t1 GROUP BY wid;
elt(status_wnio,data_podp)
NULL
NULL
DROP TABLE t1;
CREATE TABLE t1 (title text) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('Congress reconvenes in September to debate welfare and adult education');
INSERT INTO t1 VALUES ('House passes the CAREERS bill');
SELECT CONCAT("</a>",RPAD("",(55 - LENGTH(title)),".")) from t1;
CONCAT("</a>",RPAD("",(55 - LENGTH(title)),"."))
NULL
</a>..........................
DROP TABLE t1;
CREATE TABLE t1 (i int, j int);
INSERT INTO t1 VALUES (1,1),(2,2);
SELECT DISTINCT i, ELT(j, '345', '34') FROM t1;
i ELT(j, '345', '34')
1 345
2 34
DROP TABLE t1;
create table t1(a char(4));
insert into t1 values ('one'),(NULL),('two'),('four');
select a, quote(a), isnull(quote(a)), quote(a) is null, ifnull(quote(a), 'n') from t1;
a quote(a) isnull(quote(a)) quote(a) is null ifnull(quote(a), 'n')
one 'one' 0 0 'one'
NULL NULL 0 0 NULL
two 'two' 0 0 'two'
four 'four' 0 0 'four'
drop table t1;
select trim(trailing 'foo' from 'foo');
trim(trailing 'foo' from 'foo')
select trim(leading 'foo' from 'foo');
trim(leading 'foo' from 'foo')
select quote(ltrim(concat(' ', 'a')));
quote(ltrim(concat(' ', 'a')))
'a'
select quote(trim(concat(' ', 'a')));
quote(trim(concat(' ', 'a')))
'a'
CREATE TABLE t1 SELECT 1 UNION SELECT 2 UNION SELECT 3;
SELECT QUOTE('A') FROM t1;
QUOTE('A')
'A'
'A'
'A'
DROP TABLE t1;
select 1=_latin1'1';
1=_latin1'1'
1
select _latin1'1'=1;
_latin1'1'=1
1
select _latin2'1'=1;
_latin2'1'=1
1
select 1=_latin2'1';
1=_latin2'1'
1
select _latin1'1'=_latin2'1';
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation '='
select row('a','b','c') = row('a','b','c');
row('a','b','c') = row('a','b','c')
1
select row('A','b','c') = row('a','b','c');
row('A','b','c') = row('a','b','c')
1
select row('A' COLLATE latin1_bin,'b','c') = row('a','b','c');
row('A' COLLATE latin1_bin,'b','c') = row('a','b','c')
0
select row('A','b','c') = row('a' COLLATE latin1_bin,'b','c');
row('A','b','c') = row('a' COLLATE latin1_bin,'b','c')
0
select row('A' COLLATE latin1_general_ci,'b','c') = row('a' COLLATE latin1_bin,'b','c');
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation '='
select concat(_latin1'a',_latin2'a');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'concat'
select concat(_latin1'a',_latin2'a',_latin5'a');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE), (latin5_turkish_ci,COERCIBLE) for operation 'concat'
select concat(_latin1'a',_latin2'a',_latin5'a',_latin7'a');
ERROR HY000: Illegal mix of collations for operation 'concat'
select concat_ws(_latin1'a',_latin2'a');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'concat_ws'
select FIELD('b','A','B');
FIELD('b','A','B')
2
select FIELD('B','A','B');
FIELD('B','A','B')
2
select FIELD('b' COLLATE latin1_bin,'A','B');
FIELD('b' COLLATE latin1_bin,'A','B')
0
select FIELD('b','A' COLLATE latin1_bin,'B');
FIELD('b','A' COLLATE latin1_bin,'B')
0
select FIELD(_latin2'b','A','B');
ERROR HY000: Illegal mix of collations (latin2_general_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE) for operation 'field'
select FIELD('b',_latin2'A','B');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE) for operation 'field'
select FIELD('1',_latin2'3','2',1);
FIELD('1',_latin2'3','2',1)
3
select POSITION(_latin1'B' IN _latin1'abcd');
POSITION(_latin1'B' IN _latin1'abcd')
2
select POSITION(_latin1'B' IN _latin1'abcd' COLLATE latin1_bin);
POSITION(_latin1'B' IN _latin1'abcd' COLLATE latin1_bin)
0
select POSITION(_latin1'B' COLLATE latin1_bin IN _latin1'abcd');
POSITION(_latin1'B' COLLATE latin1_bin IN _latin1'abcd')
0
select POSITION(_latin1'B' COLLATE latin1_general_ci IN _latin1'abcd' COLLATE latin1_bin);
ERROR HY000: Illegal mix of collations (latin1_bin,EXPLICIT) and (latin1_general_ci,EXPLICIT) for operation 'locate'
select POSITION(_latin1'B' IN _latin2'abcd');
ERROR HY000: Illegal mix of collations (latin2_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation 'locate'
select FIND_IN_SET(_latin1'B',_latin1'a,b,c,d');
FIND_IN_SET(_latin1'B',_latin1'a,b,c,d')
2
select FIND_IN_SET(_latin1'B' COLLATE latin1_general_ci,_latin1'a,b,c,d' COLLATE latin1_bin);
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation 'find_in_set'
select FIND_IN_SET(_latin1'B',_latin2'a,b,c,d');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'find_in_set'
select SUBSTRING_INDEX(_latin1'abcdabcdabcd',_latin1'd',2);
SUBSTRING_INDEX(_latin1'abcdabcdabcd',_latin1'd',2)
abcdabc
select SUBSTRING_INDEX(_latin1'abcdabcdabcd',_latin2'd',2);
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'substring_index'
select SUBSTRING_INDEX(_latin1'abcdabcdabcd' COLLATE latin1_general_ci,_latin1'd' COLLATE latin1_bin,2);
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation 'substring_index'
select _latin1'B' between _latin1'a' and _latin1'c';
_latin1'B' between _latin1'a' and _latin1'c'
1
select _latin1'B' collate latin1_bin between _latin1'a' and _latin1'c';
_latin1'B' collate latin1_bin between _latin1'a' and _latin1'c'
0
select _latin1'B' between _latin1'a' collate latin1_bin and _latin1'c';
_latin1'B' between _latin1'a' collate latin1_bin and _latin1'c'
0
select _latin1'B' between _latin1'a' and _latin1'c' collate latin1_bin;
_latin1'B' between _latin1'a' and _latin1'c' collate latin1_bin
0
select _latin2'B' between _latin1'a' and _latin1'b';
ERROR HY000: Illegal mix of collations (latin2_general_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE) for operation 'between'
select _latin1'B' between _latin2'a' and _latin1'b';
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE) for operation 'between'
select _latin1'B' between _latin1'a' and _latin2'b';
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE) for operation 'between'
select _latin1'B' collate latin1_general_ci between _latin1'a' collate latin1_bin and _latin1'b';
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT), (latin1_bin,EXPLICIT), (latin1_swedish_ci,COERCIBLE) for operation 'between'
select _latin1'B' in (_latin1'a',_latin1'b');
_latin1'B' in (_latin1'a',_latin1'b')
1
select _latin1'B' collate latin1_bin in (_latin1'a',_latin1'b');
_latin1'B' collate latin1_bin in (_latin1'a',_latin1'b')
0
select _latin1'B' in (_latin1'a' collate latin1_bin,_latin1'b');
_latin1'B' in (_latin1'a' collate latin1_bin,_latin1'b')
0
select _latin1'B' in (_latin1'a',_latin1'b' collate latin1_bin);
_latin1'B' in (_latin1'a',_latin1'b' collate latin1_bin)
0
select _latin2'B' in (_latin1'a',_latin1'b');
ERROR HY000: Illegal mix of collations (latin2_general_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE) for operation ' IN '
select _latin1'B' in (_latin2'a',_latin1'b');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE) for operation ' IN '
select _latin1'B' in (_latin1'a',_latin2'b');
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE) for operation ' IN '
select _latin1'B' COLLATE latin1_general_ci in (_latin1'a' COLLATE latin1_bin,_latin1'b');
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT), (latin1_bin,EXPLICIT), (latin1_swedish_ci,COERCIBLE) for operation ' IN '
select _latin1'B' COLLATE latin1_general_ci in (_latin1'a',_latin1'b' COLLATE latin1_bin);
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT), (latin1_swedish_ci,COERCIBLE), (latin1_bin,EXPLICIT) for operation ' IN '
select collation(bin(130)), coercibility(bin(130));
collation(bin(130)) coercibility(bin(130))
latin1_swedish_ci 4
select collation(oct(130)), coercibility(oct(130));
collation(oct(130)) coercibility(oct(130))
latin1_swedish_ci 4
select collation(conv(130,16,10)), coercibility(conv(130,16,10));
collation(conv(130,16,10)) coercibility(conv(130,16,10))
latin1_swedish_ci 4
select collation(hex(130)), coercibility(hex(130));
collation(hex(130)) coercibility(hex(130))
latin1_swedish_ci 4
select collation(char(130)), coercibility(hex(130));
collation(char(130)) coercibility(hex(130))
binary 4
select collation(format(130,10)), coercibility(format(130,10));
collation(format(130,10)) coercibility(format(130,10))
latin1_swedish_ci 4
select collation(lcase(_latin2'a')), coercibility(lcase(_latin2'a'));
collation(lcase(_latin2'a')) coercibility(lcase(_latin2'a'))
latin2_general_ci 4
select collation(ucase(_latin2'a')), coercibility(ucase(_latin2'a'));
collation(ucase(_latin2'a')) coercibility(ucase(_latin2'a'))
latin2_general_ci 4
select collation(left(_latin2'a',1)), coercibility(left(_latin2'a',1));
collation(left(_latin2'a',1)) coercibility(left(_latin2'a',1))
latin2_general_ci 4
select collation(right(_latin2'a',1)), coercibility(right(_latin2'a',1));
collation(right(_latin2'a',1)) coercibility(right(_latin2'a',1))
latin2_general_ci 4
select collation(substring(_latin2'a',1,1)), coercibility(substring(_latin2'a',1,1));
collation(substring(_latin2'a',1,1)) coercibility(substring(_latin2'a',1,1))
latin2_general_ci 4
select collation(concat(_latin2'a',_latin2'b')), coercibility(concat(_latin2'a',_latin2'b'));
collation(concat(_latin2'a',_latin2'b')) coercibility(concat(_latin2'a',_latin2'b'))
latin2_general_ci 4
select collation(lpad(_latin2'a',4,_latin2'b')), coercibility(lpad(_latin2'a',4,_latin2'b'));
collation(lpad(_latin2'a',4,_latin2'b')) coercibility(lpad(_latin2'a',4,_latin2'b'))
latin2_general_ci 4
select collation(rpad(_latin2'a',4,_latin2'b')), coercibility(rpad(_latin2'a',4,_latin2'b'));
collation(rpad(_latin2'a',4,_latin2'b')) coercibility(rpad(_latin2'a',4,_latin2'b'))
latin2_general_ci 4
select collation(concat_ws(_latin2'a',_latin2'b')), coercibility(concat_ws(_latin2'a',_latin2'b'));
collation(concat_ws(_latin2'a',_latin2'b')) coercibility(concat_ws(_latin2'a',_latin2'b'))
latin2_general_ci 4
select collation(make_set(255,_latin2'a',_latin2'b',_latin2'c')), coercibility(make_set(255,_latin2'a',_latin2'b',_latin2'c'));
collation(make_set(255,_latin2'a',_latin2'b',_latin2'c')) coercibility(make_set(255,_latin2'a',_latin2'b',_latin2'c'))
latin2_general_ci 4
select collation(export_set(255,_latin2'y',_latin2'n',_latin2' ')), coercibility(export_set(255,_latin2'y',_latin2'n',_latin2' '));
collation(export_set(255,_latin2'y',_latin2'n',_latin2' ')) coercibility(export_set(255,_latin2'y',_latin2'n',_latin2' '))
latin2_general_ci 4
select collation(trim(_latin2' a ')), coercibility(trim(_latin2' a '));
collation(trim(_latin2' a ')) coercibility(trim(_latin2' a '))
latin2_general_ci 4
select collation(ltrim(_latin2' a ')), coercibility(ltrim(_latin2' a '));
collation(ltrim(_latin2' a ')) coercibility(ltrim(_latin2' a '))
latin2_general_ci 4
select collation(rtrim(_latin2' a ')), coercibility(rtrim(_latin2' a '));
collation(rtrim(_latin2' a ')) coercibility(rtrim(_latin2' a '))
latin2_general_ci 4
select collation(trim(LEADING _latin2' ' FROM _latin2'a')), coercibility(trim(LEADING _latin2'a' FROM _latin2'a'));
collation(trim(LEADING _latin2' ' FROM _latin2'a')) coercibility(trim(LEADING _latin2'a' FROM _latin2'a'))
latin2_general_ci 4
select collation(trim(TRAILING _latin2' ' FROM _latin2'a')), coercibility(trim(TRAILING _latin2'a' FROM _latin2'a'));
collation(trim(TRAILING _latin2' ' FROM _latin2'a')) coercibility(trim(TRAILING _latin2'a' FROM _latin2'a'))
latin2_general_ci 4
select collation(trim(BOTH _latin2' ' FROM _latin2'a')), coercibility(trim(BOTH _latin2'a' FROM _latin2'a'));
collation(trim(BOTH _latin2' ' FROM _latin2'a')) coercibility(trim(BOTH _latin2'a' FROM _latin2'a'))
latin2_general_ci 4
select collation(repeat(_latin2'a',10)), coercibility(repeat(_latin2'a',10));
collation(repeat(_latin2'a',10)) coercibility(repeat(_latin2'a',10))
latin2_general_ci 4
select collation(reverse(_latin2'ab')), coercibility(reverse(_latin2'ab'));
collation(reverse(_latin2'ab')) coercibility(reverse(_latin2'ab'))
latin2_general_ci 4
select collation(quote(_latin2'ab')), coercibility(quote(_latin2'ab'));
collation(quote(_latin2'ab')) coercibility(quote(_latin2'ab'))
latin2_general_ci 4
select collation(soundex(_latin2'ab')), coercibility(soundex(_latin2'ab'));
collation(soundex(_latin2'ab')) coercibility(soundex(_latin2'ab'))
latin2_general_ci 4
select collation(substring(_latin2'ab',1)), coercibility(substring(_latin2'ab',1));
collation(substring(_latin2'ab',1)) coercibility(substring(_latin2'ab',1))
latin2_general_ci 4
select collation(insert(_latin2'abcd',2,3,_latin2'ef')), coercibility(insert(_latin2'abcd',2,3,_latin2'ef'));
collation(insert(_latin2'abcd',2,3,_latin2'ef')) coercibility(insert(_latin2'abcd',2,3,_latin2'ef'))
latin2_general_ci 4
select collation(replace(_latin2'abcd',_latin2'b',_latin2'B')), coercibility(replace(_latin2'abcd',_latin2'b',_latin2'B'));
collation(replace(_latin2'abcd',_latin2'b',_latin2'B')) coercibility(replace(_latin2'abcd',_latin2'b',_latin2'B'))
latin2_general_ci 4
select collation(encode('abcd','ab')), coercibility(encode('abcd','ab'));
collation(encode('abcd','ab')) coercibility(encode('abcd','ab'))
binary 4
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;
Table Create Table
t1 CREATE TABLE `t1` (
`bin(130)` varchar(64) DEFAULT NULL,
`oct(130)` varchar(64) DEFAULT NULL,
`conv(130,16,10)` varchar(64) DEFAULT NULL,
`hex(130)` varchar(6) NOT NULL DEFAULT '',
`char(130)` varbinary(4) NOT NULL DEFAULT '',
`format(130,10)` varchar(37) NOT NULL DEFAULT '',
`left(_latin2'a',1)` varchar(1) CHARACTER SET latin2 NOT NULL DEFAULT '',
`right(_latin2'a',1)` varchar(1) CHARACTER SET latin2 NOT NULL DEFAULT '',
`lcase(_latin2'a')` varchar(1) CHARACTER SET latin2 NOT NULL DEFAULT '',
`ucase(_latin2'a')` varchar(1) CHARACTER SET latin2 NOT NULL DEFAULT '',
`substring(_latin2'a',1,1)` varchar(1) CHARACTER SET latin2 NOT NULL DEFAULT '',
`concat(_latin2'a',_latin2'b')` varchar(2) CHARACTER SET latin2 NOT NULL DEFAULT '',
`lpad(_latin2'a',4,_latin2'b')` varchar(4) CHARACTER SET latin2 NOT NULL DEFAULT '',
`rpad(_latin2'a',4,_latin2'b')` varchar(4) CHARACTER SET latin2 NOT NULL DEFAULT '',
`concat_ws(_latin2'a',_latin2'b')` varchar(1) CHARACTER SET latin2 NOT NULL DEFAULT '',
`make_set(255,_latin2'a',_latin2'b',_latin2'c')` varchar(5) CHARACTER SET latin2 NOT NULL DEFAULT '',
`export_set(255,_latin2'y',_latin2'n',_latin2' ')` varchar(127) CHARACTER SET latin2 NOT NULL DEFAULT '',
`trim(_latin2' a ')` varchar(3) CHARACTER SET latin2 NOT NULL DEFAULT '',
`ltrim(_latin2' a ')` varchar(3) CHARACTER SET latin2 NOT NULL DEFAULT '',
`rtrim(_latin2' a ')` varchar(3) CHARACTER SET latin2 NOT NULL DEFAULT '',
`trim(LEADING _latin2' ' FROM _latin2' a ')` varchar(3) CHARACTER SET latin2 NOT NULL DEFAULT '',
`trim(TRAILING _latin2' ' FROM _latin2' a ')` varchar(3) CHARACTER SET latin2 NOT NULL DEFAULT '',
`trim(BOTH _latin2' ' FROM _latin2' a ')` varchar(3) CHARACTER SET latin2 NOT NULL DEFAULT '',
`repeat(_latin2'a',10)` varchar(10) CHARACTER SET latin2 NOT NULL DEFAULT '',
`reverse(_latin2'ab')` varchar(2) CHARACTER SET latin2 NOT NULL DEFAULT '',
`quote(_latin2'ab')` varchar(6) CHARACTER SET latin2 NOT NULL DEFAULT '',
`soundex(_latin2'ab')` varchar(4) CHARACTER SET latin2 NOT NULL DEFAULT '',
`substring(_latin2'ab',1)` varchar(2) CHARACTER SET latin2 NOT NULL DEFAULT '',
`insert(_latin2'abcd',2,3,_latin2'ef')` varchar(6) CHARACTER SET latin2 NOT NULL DEFAULT '',
`replace(_latin2'abcd',_latin2'b',_latin2'B')` varchar(4) CHARACTER SET latin2 NOT NULL DEFAULT '',
`encode('abcd','ab')` varbinary(4) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a char character set latin2);
insert into t1 values (null);
select charset(a), collation(a), coercibility(a) from t1;
charset(a) collation(a) coercibility(a)
latin2 latin2_general_ci 2
drop table t1;
select charset(null), collation(null), coercibility(null);
charset(null) collation(null) coercibility(null)
binary binary 6
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;
a b a b
1 1 NULL NULL
2 2 2 2
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;
a b a b
1 1 NULL NULL
2 2 2 2
select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
where coercibility(t2.a) = 5 order by t1.a,t2.a;
a b a b
1 1 NULL NULL
2 2 2 2
DROP TABLE t1, t2;
select SUBSTR('abcdefg',3,2);
SUBSTR('abcdefg',3,2)
cd
select SUBSTRING('abcdefg',3,2);
SUBSTRING('abcdefg',3,2)
cd
select SUBSTR('abcdefg',-3,2) FROM DUAL;
SUBSTR('abcdefg',-3,2)
ef
select SUBSTR('abcdefg',-1,5) FROM DUAL;
SUBSTR('abcdefg',-1,5)
g
select SUBSTR('abcdefg',0,0) FROM DUAL;
SUBSTR('abcdefg',0,0)
select SUBSTR('abcdefg',-1,-1) FROM DUAL;
SUBSTR('abcdefg',-1,-1)
select SUBSTR('abcdefg',1,-1) FROM DUAL;
SUBSTR('abcdefg',1,-1)
create table t7 (s1 char);
select * from t7
where concat(s1 collate latin1_general_ci,s1 collate latin1_swedish_ci) = 'AA';
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_swedish_ci,EXPLICIT) for operation 'concat'
drop table t7;
select substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2),substring_index("1abcd;2abcd;3abcd;4abcd", ';', -2);
substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2) substring_index("1abcd;2abcd;3abcd;4abcd", ';', -2)
1abcd;2abcd 3abcd;4abcd
explain extended select md5('hello');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select md5('hello') AS `md5('hello')`
explain extended select sha('abc');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select sha('abc') AS `sha('abc')`
explain extended select sha1('abc');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select sha('abc') AS `sha1('abc')`
explain extended select soundex('');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select soundex('') AS `soundex('')`
explain extended select 'mood' sounds like 'mud';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select (soundex('mood') = soundex('mud')) AS `'mood' sounds like 'mud'`
explain extended select aes_decrypt(aes_encrypt('abc','1'),'1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select aes_decrypt(aes_encrypt('abc','1'),'1') AS `aes_decrypt(aes_encrypt('abc','1'),'1')`
explain extended select concat('*',space(5),'*');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select concat('*',space(5),'*') AS `concat('*',space(5),'*')`
explain extended select reverse('abc');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select reverse('abc') AS `reverse('abc')`
explain extended select rpad('a',4,'1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select rpad('a',4,'1') AS `rpad('a',4,'1')`
explain extended select lpad('a',4,'1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select lpad('a',4,'1') AS `lpad('a',4,'1')`
explain extended select concat_ws(',','',NULL,'a');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select concat_ws(',','',NULL,'a') AS `concat_ws(',','',NULL,'a')`
explain extended select make_set(255,_latin2'a', _latin2'b', _latin2'c');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select make_set(255,_latin2'a',_latin2'b',_latin2'c') AS `make_set(255,_latin2'a', _latin2'b', _latin2'c')`
explain extended select elt(2,1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select elt(2,1) AS `elt(2,1)`
explain extended select locate("a","b",2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select locate('a','b',2) AS `locate("a","b",2)`
explain extended select format(130,10);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select format(130,10) AS `format(130,10)`
explain extended select char(0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select char(0) AS `char(0)`
explain extended select conv(130,16,10);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select conv(130,16,10) AS `conv(130,16,10)`
explain extended select hex(130);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select hex(130) AS `hex(130)`
explain extended select binary 'HE';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select cast('HE' as char charset binary) AS `binary 'HE'`
explain extended select export_set(255,_latin2'y', _latin2'n', _latin2' ');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select export_set(255,_latin2'y',_latin2'n',_latin2' ') AS `export_set(255,_latin2'y', _latin2'n', _latin2' ')`
explain extended select FIELD('b' COLLATE latin1_bin,'A','B');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select field(('b' collate latin1_bin),'A','B') AS `FIELD('b' COLLATE latin1_bin,'A','B')`
explain extended select FIND_IN_SET(_latin1'B', _latin1'a,b,c,d');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select find_in_set(_latin1'B',_latin1'a,b,c,d') AS `FIND_IN_SET(_latin1'B', _latin1'a,b,c,d')`
explain extended select collation(conv(130,16,10));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select collation(conv(130,16,10)) AS `collation(conv(130,16,10))`
explain extended select coercibility(conv(130,16,10));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select coercibility(conv(130,16,10)) AS `coercibility(conv(130,16,10))`
explain extended select length('\n\t\r\b\0\_\%\\');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select length('\n \r\0\\_\\%\\') AS `length('\n\t\r\b\0\_\%\\')`
explain extended select bit_length('\n\t\r\b\0\_\%\\');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select bit_length('\n \r\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`
explain extended select bit_length('\n\t\r\b\0\_\%\\');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select bit_length('\n \r\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`
explain extended select concat('monty',' was here ','again');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select concat('monty',' was here ','again') AS `concat('monty',' was here ','again')`
explain extended select length('hello');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select length('hello') AS `length('hello')`
explain extended select char(ascii('h'));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select char(ascii('h')) AS `char(ascii('h'))`
explain extended select ord('h');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select ord('h') AS `ord('h')`
explain extended select quote(1/0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select quote((1 / 0)) AS `quote(1/0)`
explain extended select crc32("123");
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select crc32('123') AS `crc32("123")`
explain extended select replace('aaaa','a','b');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select replace('aaaa','a','b') AS `replace('aaaa','a','b')`
explain extended select insert('txs',2,1,'hi');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select insert('txs',2,1,'hi') AS `insert('txs',2,1,'hi')`
explain extended select left(_latin2'a',1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select left(_latin2'a',1) AS `left(_latin2'a',1)`
explain extended select right(_latin2'a',1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select right(_latin2'a',1) AS `right(_latin2'a',1)`
explain extended select lcase(_latin2'a');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select lcase(_latin2'a') AS `lcase(_latin2'a')`
explain extended select ucase(_latin2'a');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select ucase(_latin2'a') AS `ucase(_latin2'a')`
explain extended select SUBSTR('abcdefg',3,2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select substr('abcdefg',3,2) AS `SUBSTR('abcdefg',3,2)`
explain extended select substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select substring_index('1abcd;2abcd;3abcd;4abcd',';',2) AS `substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2)`
explain extended select trim(_latin2' a ');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select trim(_latin2' a ') AS `trim(_latin2' a ')`
explain extended select ltrim(_latin2' a ');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select ltrim(_latin2' a ') AS `ltrim(_latin2' a ')`
explain extended select rtrim(_latin2' a ');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select rtrim(_latin2' a ') AS `rtrim(_latin2' a ')`
explain extended select decode(encode(repeat("a",100000),"monty"),"monty");
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select decode(encode(repeat('a',100000),'monty'),'monty') AS `decode(encode(repeat("a",100000),"monty"),"monty")`
SELECT lpad(12345, 5, "#");
lpad(12345, 5, "#")
12345
SELECT conv(71, 10, 36), conv('1Z', 36, 10);
conv(71, 10, 36) conv('1Z', 36, 10)
1Z 71
SELECT conv(71, 10, 37), conv('1Z', 37, 10), conv(0,1,10),conv(0,0,10), conv(0,-1,10);
conv(71, 10, 37) conv('1Z', 37, 10) conv(0,1,10) conv(0,0,10) conv(0,-1,10)
NULL NULL NULL NULL NULL
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;
name
aaaaaaaaaaccccc
bbbbbbbbbbddddd
drop table t1, t2;
create table t1 (c1 INT, c2 INT UNSIGNED);
insert into t1 values ('21474836461','21474836461');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
Warning 1264 Out of range value for column 'c2' at row 1
insert into t1 values ('-21474836461','-21474836461');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
Warning 1264 Out of range value for column 'c2' at row 1
show warnings;
Level Code Message
Warning 1264 Out of range value for column 'c1' at row 1
Warning 1264 Out of range value for column 'c2' at row 1
select * from t1;
c1 c2
2147483647 4294967295
-2147483648 0
drop table t1;
select left(1234, 3) + 0;
left(1234, 3) + 0
123
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;
total reg
10 2004-12-10
drop table t1;
select trim(null from 'kate') as "must_be_null";
must_be_null
NULL
select trim('xyz' from null) as "must_be_null";
must_be_null
NULL
select trim(leading NULL from 'kate') as "must_be_null";
must_be_null
NULL
select trim(trailing NULL from 'xyz') as "must_be_null";
must_be_null
NULL
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);
CONV('e251273eb74a8ee3', 16, 10)
16307858876001849059
EXPLAIN
SELECT id
FROM t1
WHERE a = 16307858876001849059;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL
EXPLAIN
SELECT id
FROM t1
WHERE a = CONV('e251273eb74a8ee3', 16, 10);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL
DROP TABLE t1;
SELECT CHAR(NULL,121,83,81,'76') as my_column;
my_column
ySQL
SELECT CHAR_LENGTH(CHAR(NULL,121,83,81,'76')) as my_column;
my_column
4
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;
id aes_decrypt(str, 'bar')
1 foo
2 NULL
SELECT t1.id, aes_decrypt(str, 'bar') FROM t1, t2 WHERE t1.id = t2.id
ORDER BY t1.id;
id aes_decrypt(str, 'bar')
1 foo
2 NULL
DROP TABLE t1, t2;
select field(0,NULL,1,0), field("",NULL,"bar",""), field(0.0,NULL,1.0,0.0);
field(0,NULL,1,0) field("",NULL,"bar","") field(0.0,NULL,1.0,0.0)
3 3 3
select field(NULL,1,2,NULL), field(NULL,1,2,0);
field(NULL,1,2,NULL) field(NULL,1,2,0)
0 0
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;
str num
notnumber 0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'notnumber'
Warning 1292 Truncated incorrect DOUBLE value: 'notnumber'
SELECT * FROM t1, t2 WHERE num=substring(str from 1 for 6);
str num
notnumber 0
DROP TABLE t1,t2;
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;
id col1
1 Main
2 Main->Toys
3 Main->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
WHERE CONCAT_WS('->', t3.title, t2.title, t1.title) LIKE '%Toys%';
id col1
2 Main->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%';
trackname artistname
April In Paris Vernon Duke Vernon Duke
Autumn In New York NULL
DROP TABLE t1,t2,t3;
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;
b substring(b,1) substring(b,-1) substring(b,-2) substring(b,-3) substring(b,-4) substring(b,-5)
ab ab b ab
abc abc c bc abc
abcd abcd d cd bcd abcd
abcde abcde e de cde bcde abcde
select * from (select *,substring(b,1),substring(b,-1),substring(b,-2),substring(b,-3),substring(b,-4),substring(b,-5) from t1) t;
b substring(b,1) substring(b,-1) substring(b,-2) substring(b,-3) substring(b,-4) substring(b,-5)
ab ab b ab
abc abc c bc abc
abcd abcd d cd bcd abcd
abcde abcde e de cde bcde abcde
drop table t1;
select hex(29223372036854775809), hex(-29223372036854775809);
hex(29223372036854775809) hex(-29223372036854775809)
FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF
create table t1 (i int);
insert into t1 values (1000000000),(1);
select lpad(i, 7, ' ') as t from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def t 253 7 7 Y 0 31 8
t
1000000
1
select rpad(i, 7, ' ') as t from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def t 253 7 7 Y 0 31 8
t
1000000
1
drop table t1;
select load_file("lkjlkj");
load_file("lkjlkj")
NULL
select ifnull(load_file("lkjlkj"),"it's null");
ifnull(load_file("lkjlkj"),"it's null")
it's null
create table t1 (f1 varchar(4), f2 varchar(64), unique key k1 (f1,f2));
insert into t1 values ( 'test',md5('test')), ('test', sha('test'));
select * from t1 where f1='test' and (f2= md5("test") or f2= md5("TEST"));
f1 f2
test 098f6bcd4621d373cade4e832627b4f6
select * from t1 where f1='test' and (f2= md5("TEST") or f2= md5("test"));
f1 f2
test 098f6bcd4621d373cade4e832627b4f6
select * from t1 where f1='test' and (f2= sha("test") or f2= sha("TEST"));
f1 f2
test a94a8fe5ccb19ba61c4c0873d391e987982fbbd3
select * from t1 where f1='test' and (f2= sha("TEST") or f2= sha("test"));
f1 f2
test a94a8fe5ccb19ba61c4c0873d391e987982fbbd3
drop table t1;
CREATE TABLE t1 (a varchar(10));
INSERT INTO t1 VALUES ('abc'), ('xyz');
SELECT a, CONCAT(a,' ',a) AS c FROM t1
HAVING LEFT(c,LENGTH(c)-INSTR(REVERSE(c)," ")) = a;
a c
abc abc abc
xyz xyz xyz
SELECT a, CONCAT(a,' ',a) AS c FROM t1
HAVING LEFT(CONCAT(a,' ',a),
LENGTH(CONCAT(a,' ',a))-
INSTR(REVERSE(CONCAT(a,' ',a))," ")) = a;
a c
abc abc abc
xyz xyz xyz
DROP TABLE t1;
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yaddy');
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`s` AS `s` from `test`.`t1` where (trim(`test`.`t1`.`s`) > 'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`s` AS `s` from `test`.`t1` where (trim(both 'y' from `test`.`t1`.`s`) > 'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`s` AS `s` from `test`.`t1` where (trim(leading 'y' from `test`.`t1`.`s`) > 'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`s` AS `s` from `test`.`t1` where (trim(trailing 'y' from `test`.`t1`.`s`) > 'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`s` AS `s` from `test`.`t1` where (trim(both 'y' from `test`.`t1`.`s`) > 'ab')
DROP TABLE t1;
create table t1(f1 varchar(4));
explain extended select encode(f1,'zxcv') as 'enc' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 /* select#1 */ select encode(NULL,'zxcv') AS `enc` from `test`.`t1`
explain extended select decode(f1,'zxcv') as 'enc' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 /* select#1 */ select decode(NULL,'zxcv') AS `enc` from `test`.`t1`
drop table t1;
create table t1 (a bigint not null)engine=myisam;
insert into t1 set a = 1024*1024*1024*4;
delete from t1 order by (inet_ntoa(a)) desc limit 10;
drop table t1;
create table t1 (a char(36) not null)engine=myisam;
insert ignore into t1 set a = ' ';
insert ignore into t1 set a = ' ';
select * from t1 order by (oct(a));
a
drop table t1;
End of 4.1 tests
create table t1 (d decimal default null);
insert into t1 values (null);
select format(d, 2) from t1;
format(d, 2)
NULL
drop table t1;
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;
c res
y,abc abc
y,abc abc
drop table t1;
select cast(rtrim(' 20.06 ') as decimal(19,2));
cast(rtrim(' 20.06 ') as decimal(19,2))
20.06
select cast(ltrim(' 20.06 ') as decimal(19,2));
cast(ltrim(' 20.06 ') as decimal(19,2))
20.06
select cast(rtrim(ltrim(' 20.06 ')) as decimal(19,2));
cast(rtrim(ltrim(' 20.06 ')) as decimal(19,2))
20.06
select conv("18383815659218730760",10,10) + 0;
conv("18383815659218730760",10,10) + 0
1.838381565921873e19
select "18383815659218730760" + 0;
"18383815659218730760" + 0
1.838381565921873e19
CREATE TABLE t1 (code varchar(10));
INSERT INTO t1 VALUES ('a12'), ('A12'), ('a13');
SELECT ASCII(code), code FROM t1 WHERE code='A12';
ASCII(code) code
97 a12
65 A12
SELECT ASCII(code), code FROM t1 WHERE code='A12' AND ASCII(code)=65;
ASCII(code) code
65 A12
INSERT INTO t1 VALUES ('a12 '), ('A12 ');
SELECT LENGTH(code), code FROM t1 WHERE code='A12';
LENGTH(code) code
3 a12
3 A12
4 a12
5 A12
SELECT LENGTH(code), code FROM t1 WHERE code='A12' AND LENGTH(code)=5;
LENGTH(code) code
5 A12
ALTER TABLE t1 ADD INDEX (code);
CREATE TABLE t2 (id varchar(10) PRIMARY KEY);
INSERT INTO t2 VALUES ('a11'), ('a12'), ('a13'), ('a14');
SELECT * FROM t1 INNER JOIN t2 ON t1.code=t2.id
WHERE t2.id='a12' AND (LENGTH(code)=5 OR code < 'a00');
code id
A12 a12
EXPLAIN EXTENDED
SELECT * FROM t1 INNER JOIN t2 ON code=id
WHERE id='a12' AND (LENGTH(code)=5 OR code < 'a00');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 const PRIMARY PRIMARY 12 const 1 100.00 Using index
1 SIMPLE t1 ref code code 13 const 3 100.00 Using where; Using index
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`code` AS `code`,'a12' AS `id` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`code` = 'a12') and (length(`test`.`t1`.`code`) = 5))
DROP TABLE t1,t2;
select encode(NULL, NULL);
encode(NULL, NULL)
NULL
select encode("data", NULL);
encode("data", NULL)
NULL
select encode(NULL, "password");
encode(NULL, "password")
NULL
select decode(NULL, NULL);
decode(NULL, NULL)
NULL
select decode("data", NULL);
decode("data", NULL)
NULL
select decode(NULL, "password");
decode(NULL, "password")
NULL
select format(NULL, NULL);
format(NULL, NULL)
NULL
select format(pi(), NULL);
format(pi(), NULL)
NULL
select format(NULL, 2);
format(NULL, 2)
NULL
select benchmark(NULL, NULL);
benchmark(NULL, NULL)
NULL
select benchmark(0, NULL);
benchmark(0, NULL)
0
select benchmark(100, NULL);
benchmark(100, NULL)
0
select benchmark(NULL, 1+1);
benchmark(NULL, 1+1)
NULL
select benchmark(-1, 1);
benchmark(-1, 1)
NULL
Warnings:
Warning 1411 Incorrect count value: '-1' for function benchmark
set @password="password";
set @my_data="clear text to encode";
select md5(encode(@my_data, "password"));
md5(encode(@my_data, "password"))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, _utf8 "password"));
md5(encode(@my_data, _utf8 "password"))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, binary "password"));
md5(encode(@my_data, binary "password"))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, _latin1 "password"));
md5(encode(@my_data, _latin1 "password"))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, _koi8r "password"));
md5(encode(@my_data, _koi8r "password"))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, (select "password" from dual)));
md5(encode(@my_data, (select "password" from dual)))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, concat("pass", "word")));
md5(encode(@my_data, concat("pass", "word")))
44320fd2b4a0ec92faa2da2122def917
select md5(encode(@my_data, @password));
md5(encode(@my_data, @password))
44320fd2b4a0ec92faa2da2122def917
set @my_data="binary encoded data";
select md5(decode(@my_data, "password"));
md5(decode(@my_data, "password"))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, _utf8 "password"));
md5(decode(@my_data, _utf8 "password"))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, binary "password"));
md5(decode(@my_data, binary "password"))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, _latin1 "password"));
md5(decode(@my_data, _latin1 "password"))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, _koi8r "password"));
md5(decode(@my_data, _koi8r "password"))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, (select "password" from dual)));
md5(decode(@my_data, (select "password" from dual)))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, concat("pass", "word")));
md5(decode(@my_data, concat("pass", "word")))
5bea8c394368dbc03b76684483b7756b
select md5(decode(@my_data, @password));
md5(decode(@my_data, @password))
5bea8c394368dbc03b76684483b7756b
set @dec=5;
select format(pi(), (1+1));
format(pi(), (1+1))
3.14
select format(pi(), (select 3 from dual));
format(pi(), (select 3 from dual))
3.142
select format(pi(), @dec);
format(pi(), @dec)
3.14159
set @bench_count=10;
select benchmark(10, pi());
benchmark(10, pi())
0
select benchmark(5+5, pi());
benchmark(5+5, pi())
0
select benchmark((select 10 from dual), pi());
benchmark((select 10 from dual), pi())
0
select benchmark(@bench_count, pi());
benchmark(@bench_count, pi())
0
select locate('he','hello',-2);
locate('he','hello',-2)
0
select locate('lo','hello',-4294967295);
locate('lo','hello',-4294967295)
0
select locate('lo','hello',4294967295);
locate('lo','hello',4294967295)
0
select locate('lo','hello',-4294967296);
locate('lo','hello',-4294967296)
0
select locate('lo','hello',4294967296);
locate('lo','hello',4294967296)
0
select locate('lo','hello',-4294967297);
locate('lo','hello',-4294967297)
0
select locate('lo','hello',4294967297);
locate('lo','hello',4294967297)
0
select locate('lo','hello',-18446744073709551615);
locate('lo','hello',-18446744073709551615)
0
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select locate('lo','hello',18446744073709551615);
locate('lo','hello',18446744073709551615)
0
select locate('lo','hello',-18446744073709551616);
locate('lo','hello',-18446744073709551616)
0
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select locate('lo','hello',18446744073709551616);
locate('lo','hello',18446744073709551616)
0
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select locate('lo','hello',-18446744073709551617);
locate('lo','hello',-18446744073709551617)
0
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select locate('lo','hello',18446744073709551617);
locate('lo','hello',18446744073709551617)
0
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select left('hello', 10);
left('hello', 10)
hello
select left('hello', 0);
left('hello', 0)
select left('hello', -1);
left('hello', -1)
select left('hello', -4294967295);
left('hello', -4294967295)
select left('hello', 4294967295);
left('hello', 4294967295)
hello
select left('hello', -4294967296);
left('hello', -4294967296)
select left('hello', 4294967296);
left('hello', 4294967296)
hello
select left('hello', -4294967297);
left('hello', -4294967297)
select left('hello', 4294967297);
left('hello', 4294967297)
hello
select left('hello', -18446744073709551615);
left('hello', -18446744073709551615)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select left('hello', 18446744073709551615);
left('hello', 18446744073709551615)
hello
select left('hello', -18446744073709551616);
left('hello', -18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select left('hello', 18446744073709551616);
left('hello', 18446744073709551616)
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select left('hello', -18446744073709551617);
left('hello', -18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select left('hello', 18446744073709551617);
left('hello', 18446744073709551617)
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select right('hello', 10);
right('hello', 10)
hello
select right('hello', 0);
right('hello', 0)
select right('hello', -1);
right('hello', -1)
select right('hello', -4294967295);
right('hello', -4294967295)
select right('hello', 4294967295);
right('hello', 4294967295)
hello
select right('hello', -4294967296);
right('hello', -4294967296)
select right('hello', 4294967296);
right('hello', 4294967296)
hello
select right('hello', -4294967297);
right('hello', -4294967297)
select right('hello', 4294967297);
right('hello', 4294967297)
hello
select right('hello', -18446744073709551615);
right('hello', -18446744073709551615)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select right('hello', 18446744073709551615);
right('hello', 18446744073709551615)
hello
select right('hello', -18446744073709551616);
right('hello', -18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select right('hello', 18446744073709551616);
right('hello', 18446744073709551616)
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select right('hello', -18446744073709551617);
right('hello', -18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select right('hello', 18446744073709551617);
right('hello', 18446744073709551617)
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 2, -1);
substring('hello', 2, -1)
select substring('hello', -1, 1);
substring('hello', -1, 1)
o
select substring('hello', -2, 1);
substring('hello', -2, 1)
l
select substring('hello', -4294967295, 1);
substring('hello', -4294967295, 1)
select substring('hello', 4294967295, 1);
substring('hello', 4294967295, 1)
select substring('hello', -4294967296, 1);
substring('hello', -4294967296, 1)
select substring('hello', 4294967296, 1);
substring('hello', 4294967296, 1)
select substring('hello', -4294967297, 1);
substring('hello', -4294967297, 1)
select substring('hello', 4294967297, 1);
substring('hello', 4294967297, 1)
select substring('hello', -18446744073709551615, 1);
substring('hello', -18446744073709551615, 1)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 18446744073709551615, 1);
substring('hello', 18446744073709551615, 1)
select substring('hello', -18446744073709551616, 1);
substring('hello', -18446744073709551616, 1)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 18446744073709551616, 1);
substring('hello', 18446744073709551616, 1)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', -18446744073709551617, 1);
substring('hello', -18446744073709551617, 1)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 18446744073709551617, 1);
substring('hello', 18446744073709551617, 1)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 1, -1);
substring('hello', 1, -1)
select substring('hello', 1, -4294967295);
substring('hello', 1, -4294967295)
select substring('hello', 1, 4294967295);
substring('hello', 1, 4294967295)
hello
select substring('hello', 1, -4294967296);
substring('hello', 1, -4294967296)
select substring('hello', 1, 4294967296);
substring('hello', 1, 4294967296)
hello
select substring('hello', 1, -4294967297);
substring('hello', 1, -4294967297)
select substring('hello', 1, 4294967297);
substring('hello', 1, 4294967297)
hello
select substring('hello', 1, -18446744073709551615);
substring('hello', 1, -18446744073709551615)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 1, 18446744073709551615);
substring('hello', 1, 18446744073709551615)
hello
select substring('hello', 1, -18446744073709551616);
substring('hello', 1, -18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 1, 18446744073709551616);
substring('hello', 1, 18446744073709551616)
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 1, -18446744073709551617);
substring('hello', 1, -18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 1, 18446744073709551617);
substring('hello', 1, 18446744073709551617)
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', -1, -1);
substring('hello', -1, -1)
select substring('hello', -4294967295, -4294967295);
substring('hello', -4294967295, -4294967295)
select substring('hello', 4294967295, 4294967295);
substring('hello', 4294967295, 4294967295)
select substring('hello', -4294967296, -4294967296);
substring('hello', -4294967296, -4294967296)
select substring('hello', 4294967296, 4294967296);
substring('hello', 4294967296, 4294967296)
select substring('hello', -4294967297, -4294967297);
substring('hello', -4294967297, -4294967297)
select substring('hello', 4294967297, 4294967297);
substring('hello', 4294967297, 4294967297)
select substring('hello', -18446744073709551615, -18446744073709551615);
substring('hello', -18446744073709551615, -18446744073709551615)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 18446744073709551615, 18446744073709551615);
substring('hello', 18446744073709551615, 18446744073709551615)
select substring('hello', -18446744073709551616, -18446744073709551616);
substring('hello', -18446744073709551616, -18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 18446744073709551616, 18446744073709551616);
substring('hello', 18446744073709551616, 18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', -18446744073709551617, -18446744073709551617);
substring('hello', -18446744073709551617, -18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select substring('hello', 18446744073709551617, 18446744073709551617);
substring('hello', 18446744073709551617, 18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', -1, 1, 'hi');
insert('hello', -1, 1, 'hi')
hello
select insert('hello', -4294967295, 1, 'hi');
insert('hello', -4294967295, 1, 'hi')
hello
select insert('hello', 4294967295, 1, 'hi');
insert('hello', 4294967295, 1, 'hi')
hello
select insert('hello', -4294967296, 1, 'hi');
insert('hello', -4294967296, 1, 'hi')
hello
select insert('hello', 4294967296, 1, 'hi');
insert('hello', 4294967296, 1, 'hi')
hello
select insert('hello', -4294967297, 1, 'hi');
insert('hello', -4294967297, 1, 'hi')
hello
select insert('hello', 4294967297, 1, 'hi');
insert('hello', 4294967297, 1, 'hi')
hello
select insert('hello', -18446744073709551615, 1, 'hi');
insert('hello', -18446744073709551615, 1, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 18446744073709551615, 1, 'hi');
insert('hello', 18446744073709551615, 1, 'hi')
hello
select insert('hello', -18446744073709551616, 1, 'hi');
insert('hello', -18446744073709551616, 1, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 18446744073709551616, 1, 'hi');
insert('hello', 18446744073709551616, 1, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', -18446744073709551617, 1, 'hi');
insert('hello', -18446744073709551617, 1, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 18446744073709551617, 1, 'hi');
insert('hello', 18446744073709551617, 1, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 1, -1, 'hi');
insert('hello', 1, -1, 'hi')
hi
select insert('hello', 1, -4294967295, 'hi');
insert('hello', 1, -4294967295, 'hi')
hi
select insert('hello', 1, 4294967295, 'hi');
insert('hello', 1, 4294967295, 'hi')
hi
select insert('hello', 1, -4294967296, 'hi');
insert('hello', 1, -4294967296, 'hi')
hi
select insert('hello', 1, 4294967296, 'hi');
insert('hello', 1, 4294967296, 'hi')
hi
select insert('hello', 1, -4294967297, 'hi');
insert('hello', 1, -4294967297, 'hi')
hi
select insert('hello', 1, 4294967297, 'hi');
insert('hello', 1, 4294967297, 'hi')
hi
select insert('hello', 1, -18446744073709551615, 'hi');
insert('hello', 1, -18446744073709551615, 'hi')
hi
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 1, 18446744073709551615, 'hi');
insert('hello', 1, 18446744073709551615, 'hi')
hi
select insert('hello', 1, -18446744073709551616, 'hi');
insert('hello', 1, -18446744073709551616, 'hi')
hi
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 1, 18446744073709551616, 'hi');
insert('hello', 1, 18446744073709551616, 'hi')
hi
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 1, -18446744073709551617, 'hi');
insert('hello', 1, -18446744073709551617, 'hi')
hi
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 1, 18446744073709551617, 'hi');
insert('hello', 1, 18446744073709551617, 'hi')
hi
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', -1, -1, 'hi');
insert('hello', -1, -1, 'hi')
hello
select insert('hello', -4294967295, -4294967295, 'hi');
insert('hello', -4294967295, -4294967295, 'hi')
hello
select insert('hello', 4294967295, 4294967295, 'hi');
insert('hello', 4294967295, 4294967295, 'hi')
hello
select insert('hello', -4294967296, -4294967296, 'hi');
insert('hello', -4294967296, -4294967296, 'hi')
hello
select insert('hello', 4294967296, 4294967296, 'hi');
insert('hello', 4294967296, 4294967296, 'hi')
hello
select insert('hello', -4294967297, -4294967297, 'hi');
insert('hello', -4294967297, -4294967297, 'hi')
hello
select insert('hello', 4294967297, 4294967297, 'hi');
insert('hello', 4294967297, 4294967297, 'hi')
hello
select insert('hello', -18446744073709551615, -18446744073709551615, 'hi');
insert('hello', -18446744073709551615, -18446744073709551615, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 18446744073709551615, 18446744073709551615, 'hi');
insert('hello', 18446744073709551615, 18446744073709551615, 'hi')
hello
select insert('hello', -18446744073709551616, -18446744073709551616, 'hi');
insert('hello', -18446744073709551616, -18446744073709551616, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 18446744073709551616, 18446744073709551616, 'hi');
insert('hello', 18446744073709551616, 18446744073709551616, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', -18446744073709551617, -18446744073709551617, 'hi');
insert('hello', -18446744073709551617, -18446744073709551617, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select insert('hello', 18446744073709551617, 18446744073709551617, 'hi');
insert('hello', 18446744073709551617, 18446744073709551617, 'hi')
hello
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select repeat('hello', -1);
repeat('hello', -1)
select repeat('hello', -4294967295);
repeat('hello', -4294967295)
select repeat('hello', 4294967295);
repeat('hello', 4294967295)
NULL
Warnings:
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select repeat('hello', -4294967296);
repeat('hello', -4294967296)
select repeat('hello', 4294967296);
repeat('hello', 4294967296)
NULL
Warnings:
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select repeat('hello', -4294967297);
repeat('hello', -4294967297)
select repeat('hello', 4294967297);
repeat('hello', 4294967297)
NULL
Warnings:
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select repeat('hello', -18446744073709551615);
repeat('hello', -18446744073709551615)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select repeat('hello', 18446744073709551615);
repeat('hello', 18446744073709551615)
NULL
Warnings:
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select repeat('hello', -18446744073709551616);
repeat('hello', -18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select repeat('hello', 18446744073709551616);
repeat('hello', 18446744073709551616)
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select repeat('hello', -18446744073709551617);
repeat('hello', -18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select repeat('hello', 18446744073709551617);
repeat('hello', 18446744073709551617)
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of repeat() was larger than max_allowed_packet (4194304) - truncated
select space(-1);
space(-1)
select space(-4294967295);
space(-4294967295)
select space(4294967295);
space(4294967295)
NULL
Warnings:
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
select space(-4294967296);
space(-4294967296)
select space(4294967296);
space(4294967296)
NULL
Warnings:
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
select space(-4294967297);
space(-4294967297)
select space(4294967297);
space(4294967297)
NULL
Warnings:
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
select space(-18446744073709551615);
space(-18446744073709551615)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select space(18446744073709551615);
space(18446744073709551615)
NULL
Warnings:
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
select space(-18446744073709551616);
space(-18446744073709551616)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select space(18446744073709551616);
space(18446744073709551616)
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
select space(-18446744073709551617);
space(-18446744073709551617)
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select space(18446744073709551617);
space(18446744073709551617)
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
select rpad('hello', -1, '1');
rpad('hello', -1, '1')
NULL
select rpad('hello', -4294967295, '1');
rpad('hello', -4294967295, '1')
NULL
select rpad('hello', 4294967295, '1');
rpad('hello', 4294967295, '1')
NULL
Warnings:
Warning 1301 Result of rpad() was larger than max_allowed_packet (4194304) - truncated
select rpad('hello', -4294967296, '1');
rpad('hello', -4294967296, '1')
NULL
select rpad('hello', 4294967296, '1');
rpad('hello', 4294967296, '1')
NULL
Warnings:
Warning 1301 Result of rpad() was larger than max_allowed_packet (4194304) - truncated
select rpad('hello', -4294967297, '1');
rpad('hello', -4294967297, '1')
NULL
select rpad('hello', 4294967297, '1');
rpad('hello', 4294967297, '1')
NULL
Warnings:
Warning 1301 Result of rpad() was larger than max_allowed_packet (4194304) - truncated
select rpad('hello', -18446744073709551615, '1');
rpad('hello', -18446744073709551615, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select rpad('hello', 18446744073709551615, '1');
rpad('hello', 18446744073709551615, '1')
NULL
Warnings:
Warning 1301 Result of rpad() was larger than max_allowed_packet (4194304) - truncated
select rpad('hello', -18446744073709551616, '1');
rpad('hello', -18446744073709551616, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select rpad('hello', 18446744073709551616, '1');
rpad('hello', 18446744073709551616, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of rpad() was larger than max_allowed_packet (4194304) - truncated
select rpad('hello', -18446744073709551617, '1');
rpad('hello', -18446744073709551617, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select rpad('hello', 18446744073709551617, '1');
rpad('hello', 18446744073709551617, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of rpad() was larger than max_allowed_packet (4194304) - truncated
select lpad('hello', -1, '1');
lpad('hello', -1, '1')
NULL
select lpad('hello', -4294967295, '1');
lpad('hello', -4294967295, '1')
NULL
select lpad('hello', 4294967295, '1');
lpad('hello', 4294967295, '1')
NULL
Warnings:
Warning 1301 Result of lpad() was larger than max_allowed_packet (4194304) - truncated
select lpad('hello', -4294967296, '1');
lpad('hello', -4294967296, '1')
NULL
select lpad('hello', 4294967296, '1');
lpad('hello', 4294967296, '1')
NULL
Warnings:
Warning 1301 Result of lpad() was larger than max_allowed_packet (4194304) - truncated
select lpad('hello', -4294967297, '1');
lpad('hello', -4294967297, '1')
NULL
select lpad('hello', 4294967297, '1');
lpad('hello', 4294967297, '1')
NULL
Warnings:
Warning 1301 Result of lpad() was larger than max_allowed_packet (4194304) - truncated
select lpad('hello', -18446744073709551615, '1');
lpad('hello', -18446744073709551615, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select lpad('hello', 18446744073709551615, '1');
lpad('hello', 18446744073709551615, '1')
NULL
Warnings:
Warning 1301 Result of lpad() was larger than max_allowed_packet (4194304) - truncated
select lpad('hello', -18446744073709551616, '1');
lpad('hello', -18446744073709551616, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select lpad('hello', 18446744073709551616, '1');
lpad('hello', 18446744073709551616, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of lpad() was larger than max_allowed_packet (4194304) - truncated
select lpad('hello', -18446744073709551617, '1');
lpad('hello', -18446744073709551617, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
select lpad('hello', 18446744073709551617, '1');
lpad('hello', 18446744073709551617, '1')
NULL
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1292 Truncated incorrect DECIMAL value: ''
Warning 1301 Result of lpad() was larger than max_allowed_packet (4194304) - truncated
SET @orig_sql_mode = @@SQL_MODE;
SET SQL_MODE=traditional;
SELECT CHAR(0xff,0x8f USING utf8);
CHAR(0xff,0x8f USING utf8)
NULL
Warnings:
Warning 1300 Invalid utf8 character string: 'FF8F'
SELECT CHAR(0xff,0x8f USING utf8) IS NULL;
CHAR(0xff,0x8f USING utf8) IS NULL
1
Warnings:
Warning 1300 Invalid utf8 character string: 'FF8F'
SET SQL_MODE=@orig_sql_mode;
select substring('abc', cast(2 as unsigned int));
substring('abc', cast(2 as unsigned int))
bc
select repeat('a', cast(2 as unsigned int));
repeat('a', cast(2 as unsigned int))
aa
select rpad('abc', cast(5 as unsigned integer), 'x');
rpad('abc', cast(5 as unsigned integer), 'x')
abcxx
select lpad('abc', cast(5 as unsigned integer), 'x');
lpad('abc', cast(5 as unsigned integer), 'x')
xxabc
create table t1(f1 longtext);
insert into t1 values ("123"),("456");
select substring(f1,1,1) from t1 group by 1;
substring(f1,1,1)
1
4
create table t2(f1 varchar(3));
insert into t1 values ("123"),("456");
select substring(f1,4,1), substring(f1,-4,1) from t2;
substring(f1,4,1) substring(f1,-4,1)
drop table t1,t2;
DROP TABLE IF EXISTS t1;
CREATE TABLE `t1` (
`id` varchar(20) NOT NULL,
`tire` tinyint(3) unsigned NOT NULL,
PRIMARY KEY (`id`)
);
INSERT INTO `t1` (`id`, `tire`) VALUES ('A', 0), ('B', 1),('C', 2);
SELECT REPEAT( '#', tire ) AS A,
REPEAT( '#', tire % 999 ) AS B, tire FROM `t1`;
A B tire
0
# # 1
## ## 2
SELECT REPEAT('0', CAST(0 AS UNSIGNED));
REPEAT('0', CAST(0 AS UNSIGNED))
SELECT REPEAT('0', -2);
REPEAT('0', -2)
SELECT REPEAT('0', 2);
REPEAT('0', 2)
00
DROP TABLE t1;
SELECT UNHEX('G');
UNHEX('G')
NULL
SELECT UNHEX('G') IS NULL;
UNHEX('G') IS NULL
1
SELECT INSERT('abc', 3, 3, '1234');
INSERT('abc', 3, 3, '1234')
ab1234
SELECT INSERT('abc', 4, 3, '1234');
INSERT('abc', 4, 3, '1234')
abc
SELECT INSERT('abc', 5, 3, '1234');
INSERT('abc', 5, 3, '1234')
abc
SELECT INSERT('abc', 6, 3, '1234');
INSERT('abc', 6, 3, '1234')
abc
CREATE TABLE t1 (a INT);
CREATE VIEW v1 AS SELECT CRC32(a) AS C FROM t1;
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
SELECT CRC32(a), COUNT(*) FROM t1 GROUP BY 1;
CRC32(a) COUNT(*)
450215437 1
498629140 1
1790921346 1
1842515611 1
2212294583 1
2226203566 1
2366072709 1
2707236321 1
4088798008 1
4194326291 1
SELECT CRC32(a), COUNT(*) FROM t1 GROUP BY 1 ORDER BY 1;
CRC32(a) COUNT(*)
450215437 1
498629140 1
1790921346 1
1842515611 1
2212294583 1
2226203566 1
2366072709 1
2707236321 1
4088798008 1
4194326291 1
SELECT * FROM (SELECT CRC32(a) FROM t1) t2;
CRC32(a)
2212294583
450215437
1842515611
4088798008
2226203566
498629140
1790921346
4194326291
2366072709
2707236321
CREATE TABLE t2 SELECT CRC32(a) FROM t1;
desc t2;
Field Type Null Key Default Extra
CRC32(a) int(10) unsigned YES NULL
SELECT * FROM v1;
C
2212294583
450215437
1842515611
4088798008
2226203566
498629140
1790921346
4194326291
2366072709
2707236321
SELECT * FROM (SELECT * FROM v1) x;
C
2212294583
450215437
1842515611
4088798008
2226203566
498629140
1790921346
4194326291
2366072709
2707236321
DROP TABLE t1, t2;
DROP VIEW v1;
SELECT LOCATE('foo', NULL) FROM DUAL;
LOCATE('foo', NULL)
NULL
SELECT LOCATE(NULL, 'o') FROM DUAL;
LOCATE(NULL, 'o')
NULL
SELECT LOCATE(NULL, NULL) FROM DUAL;
LOCATE(NULL, NULL)
NULL
SELECT LOCATE('foo', NULL) IS NULL FROM DUAL;
LOCATE('foo', NULL) IS NULL
1
SELECT LOCATE(NULL, 'o') IS NULL FROM DUAL;
LOCATE(NULL, 'o') IS NULL
1
SELECT LOCATE(NULL, NULL) IS NULL FROM DUAL;
LOCATE(NULL, NULL) IS NULL
1
SELECT ISNULL(LOCATE('foo', NULL)) FROM DUAL;
ISNULL(LOCATE('foo', NULL))
1
SELECT ISNULL(LOCATE(NULL, 'o')) FROM DUAL;
ISNULL(LOCATE(NULL, 'o'))
1
SELECT ISNULL(LOCATE(NULL, NULL)) FROM DUAL;
ISNULL(LOCATE(NULL, NULL))
1
SELECT LOCATE('foo', NULL) <=> NULL FROM DUAL;
LOCATE('foo', NULL) <=> NULL
1
SELECT LOCATE(NULL, 'o') <=> NULL FROM DUAL;
LOCATE(NULL, 'o') <=> NULL
1
SELECT LOCATE(NULL, NULL) <=> NULL FROM DUAL;
LOCATE(NULL, NULL) <=> NULL
1
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, a varchar(10), p varchar(10));
INSERT INTO t1 VALUES (1, 'foo', 'o');
INSERT INTO t1 VALUES (2, 'foo', NULL);
INSERT INTO t1 VALUES (3, NULL, 'o');
INSERT INTO t1 VALUES (4, NULL, NULL);
SELECT id, LOCATE(a,p) FROM t1;
id LOCATE(a,p)
1 0
2 NULL
3 NULL
4 NULL
SELECT id, LOCATE(a,p) IS NULL FROM t1;
id LOCATE(a,p) IS NULL
1 0
2 1
3 1
4 1
SELECT id, ISNULL(LOCATE(a,p)) FROM t1;
id ISNULL(LOCATE(a,p))
1 0
2 1
3 1
4 1
SELECT id, LOCATE(a,p) <=> NULL FROM t1;
id LOCATE(a,p) <=> NULL
1 0
2 1
3 1
4 1
SELECT id FROM t1 WHERE LOCATE(a,p) IS NULL;
id
2
3
4
SELECT id FROM t1 WHERE LOCATE(a,p) <=> NULL;
id
2
3
4
DROP TABLE t1;
SELECT SUBSTR('foo',1,0) FROM DUAL;
SUBSTR('foo',1,0)
SELECT SUBSTR('foo',1,CAST(0 AS SIGNED)) FROM DUAL;
SUBSTR('foo',1,CAST(0 AS SIGNED))
SELECT SUBSTR('foo',1,CAST(0 AS UNSIGNED)) FROM DUAL;
SUBSTR('foo',1,CAST(0 AS UNSIGNED))
CREATE TABLE t1 (a varchar(10), len int unsigned);
INSERT INTO t1 VALUES ('bar', 2), ('foo', 0);
SELECT SUBSTR(a,1,len) FROM t1;
SUBSTR(a,1,len)
ba
DROP TABLE t1;
CREATE TABLE t1 AS SELECT CHAR(0x414243) as c1;
SELECT HEX(c1) from t1;
HEX(c1)
414243
DROP TABLE t1;
CREATE VIEW v1 AS SELECT CHAR(0x414243) as c1;
SELECT HEX(c1) from v1;
HEX(c1)
414243
DROP VIEW v1;
create table t1(a float);
insert into t1 values (1.33);
select format(a, 2) from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def format(a, 2) 253 49 4 Y 0 31 8
format(a, 2)
1.33
drop table t1;
CREATE TABLE t1 (c DATE, aa VARCHAR(30));
INSERT INTO t1 VALUES ('2008-12-31','aaaaaa');
SELECT DATE_FORMAT(c, GET_FORMAT(DATE, 'eur')) h, CONCAT(UPPER(aa),', ', aa) i FROM t1;
h i
31.12.2008 AAAAAA, aaaaaa
DROP TABLE t1;
#
# BUG#44774: load_file function produces valgrind warnings
#
CREATE TABLE t1 (a TINYBLOB);
INSERT INTO t1 VALUES ('aaaaaaaa');
SELECT LOAD_FILE(a) FROM t1;
LOAD_FILE(a)
NULL
DROP TABLE t1;
CREATE TABLE t1 (f2 VARCHAR(20));
CREATE TABLE t2 (f2 VARCHAR(20));
INSERT INTO t1 VALUES ('MIN'),('MAX');
INSERT INTO t2 VALUES ('LOAD');
SELECT CONCAT_WS('_', (SELECT t2.f2 FROM t2), t1.f2) AS concat_name FROM t1;
concat_name
LOAD_MIN
LOAD_MAX
DROP TABLE t1, t2;
End of 5.0 tests
drop table if exists t1;
create table t1(f1 tinyint default null)engine=myisam;
insert into t1 values (-1),(null);
explain select 1 as a from t1,(select decode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 NULL
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (Block Nested Loop)
2 DERIVED t1 ALL NULL NULL NULL NULL 2 NULL
explain select 1 as a from t1,(select encode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 NULL
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (Block Nested Loop)
2 DERIVED t1 ALL NULL NULL NULL NULL 2 NULL
drop table t1;
#
# Bug#49141: Encode function is significantly slower in 5.1 compared to 5.0
#
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (a VARCHAR(20), b INT);
CREATE TABLE t2 (a VARCHAR(20), b INT);
INSERT INTO t1 VALUES ('ABC', 1);
INSERT INTO t2 VALUES ('ABC', 1);
SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
secret
SELECT DECODE((SELECT ENCODE('secret', 'ABC') FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', 'ABC') FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
secret
SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), 'ABC')
FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), 'ABC')
secret
TRUNCATE TABLE t1;
TRUNCATE TABLE t2;
INSERT INTO t1 VALUES ('EDF', 3), ('BCD', 2), ('ABC', 1);
INSERT INTO t2 VALUES ('EDF', 3), ('BCD', 2), ('ABC', 1);
SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b LIMIT 1), t2.a)
FROM t2 WHERE t2.b = 1 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b LIMIT 1), t2.a)
secret
DROP TABLE t1, t2;
#
# Bug#52164 Assertion failed: param.sort_length, file .\filesort.cc, line 149
#
CREATE TABLE t1 (a LONGBLOB NOT NULL);
INSERT INTO t1 VALUES (''),('');
SELECT 1 FROM t1, t1 t2
ORDER BY QUOTE(t1.a);
1
1
1
1
1
DROP TABLE t1;
#
# Bug#57913 large negative number to string conversion functions crash
# Bug#57810 case/when/then : Assertion failed: length || !scale
#
SELECT '1' IN ('1', SUBSTRING(-9223372036854775809, 1));
'1' IN ('1', SUBSTRING(-9223372036854775809, 1))
1
SELECT CONVERT(('' IN (REVERSE(CAST(('') AS DECIMAL)), '')), CHAR(3));
CONVERT(('' IN (REVERSE(CAST(('') AS DECIMAL)), '')), CHAR(3))
1
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
#
# Bug#58165: "my_empty_string" gets modified and causes LOAD DATA to fail
# and other crashes
#
CREATE TABLE t1 ( a TEXT );
SELECT 'aaaaaaaaaaaaaa' INTO OUTFILE 'MYSQLTEST_VARDIR/tmp/bug58165.txt';;
SELECT insert( substring_index( 'a', 'a', 'b' ), 1, 0, 'x' );
insert( substring_index( 'a', 'a', 'b' ), 1, 0, 'x' )
Warnings:
Warning 1292 Truncated incorrect INTEGER value: 'b'
LOAD DATA INFILE 'MYSQLTEST_VARDIR/tmp/bug58165.txt' INTO TABLE t1;;
SELECT * FROM t1;
a
aaaaaaaaaaaaaa
DROP TABLE t1;
#
# Bug#12634989 VALGRIND WARNING ABOUT UNINITIALIZED VALUES CREATED IN ITEM_FUNC_DAYOFMONTH
#
SELECT SUBSTRING('1', DAY(FROM_UNIXTIME(-1)));
SUBSTRING('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT LEFT('1', DAY(FROM_UNIXTIME(-1)));
LEFT('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT RIGHT('1', DAY(FROM_UNIXTIME(-1)));
RIGHT('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT REPEAT('1', DAY(FROM_UNIXTIME(-1)));
REPEAT('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT RPAD('hi', DAY(FROM_UNIXTIME(-1)),'?');
RPAD('hi', DAY(FROM_UNIXTIME(-1)),'?')
NULL
SELECT LPAD('hi', DAY(FROM_UNIXTIME(-1)),'?');
LPAD('hi', DAY(FROM_UNIXTIME(-1)),'?')
NULL
CREATE TABLE t1
SELECT SUBSTRING('1', DAY(FROM_UNIXTIME(-1))) AS f1,
LEFT('1', DAY(FROM_UNIXTIME(-1))) AS f2,
RIGHT('1', DAY(FROM_UNIXTIME(-1))) AS f3,
REPEAT('1', DAY(FROM_UNIXTIME(-1))) AS f4,
RPAD('hi', DAY(FROM_UNIXTIME(-1)),'?') AS f5,
LPAD('hi', DAY(FROM_UNIXTIME(-1)),'?') AS f6;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` varchar(1) DEFAULT NULL,
`f2` varchar(1) DEFAULT NULL,
`f3` varchar(1) DEFAULT NULL,
`f4` longtext,
`f5` longtext,
`f6` longtext
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
#
# Bug#11766684 59851: UNINITIALISED VALUE IN ITEM_FUNC_LIKE::SELECT_OPTIMIZE WITH SUBQUERY AND
#
CREATE TABLE t2(a INT, KEY(a));
INSERT INTO t2 VALUES (1),(2);
CREATE TABLE t1(b INT, PRIMARY KEY(b));
INSERT INTO t1 VALUES (0),(254);
SELECT 1 FROM t2 WHERE a LIKE
(SELECT EXPORT_SET(1, b, b, b, b) FROM t1 LIMIT 1);
1
DROP TABLE t1, t2;
End of 5.1 tests
Start of 5.4 tests
SELECT format(12345678901234567890.123, 3);
format(12345678901234567890.123, 3)
12,345,678,901,234,567,890.123
SELECT format(12345678901234567890.123, 3, NULL);
format(12345678901234567890.123, 3, NULL)
12,345,678,901,234,567,890.123
Warnings:
Warning 1649 Unknown locale: 'NULL'
SELECT format(12345678901234567890.123, 3, 'ar_AE');
format(12345678901234567890.123, 3, 'ar_AE')
12,345,678,901,234,567,890.123
SELECT format(12345678901234567890.123, 3, 'ar_SA');
format(12345678901234567890.123, 3, 'ar_SA')
12345678901234567890.123
SELECT format(12345678901234567890.123, 3, 'be_BY');
format(12345678901234567890.123, 3, 'be_BY')
12.345.678.901.234.567.890,123
SELECT format(12345678901234567890.123, 3, 'de_DE');
format(12345678901234567890.123, 3, 'de_DE')
12.345.678.901.234.567.890,123
SELECT format(12345678901234567890.123, 3, 'en_IN');
format(12345678901234567890.123, 3, 'en_IN')
1,23,45,67,89,01,23,45,67,890.123
SELECT format(12345678901234567890.123, 3, 'en_US');
format(12345678901234567890.123, 3, 'en_US')
12,345,678,901,234,567,890.123
SELECT format(12345678901234567890.123, 3, 'it_CH');
format(12345678901234567890.123, 3, 'it_CH')
12'345'678'901'234'567'890,123
SELECT format(12345678901234567890.123, 3, 'ru_RU');
format(12345678901234567890.123, 3, 'ru_RU')
12 345 678 901 234 567 890,123
SELECT format(12345678901234567890.123, 3, 'ta_IN');
format(12345678901234567890.123, 3, 'ta_IN')
1,23,45,67,89,01,23,45,67,890.123
CREATE TABLE t1 (fmt CHAR(5) NOT NULL);
INSERT INTO t1 VALUES ('ar_AE');
INSERT INTO t1 VALUES ('ar_SA');
INSERT INTO t1 VALUES ('be_BY');
INSERT INTO t1 VALUES ('de_DE');
INSERT INTO t1 VALUES ('en_IN');
INSERT INTO t1 VALUES ('en_US');
INSERT INTO t1 VALUES ('it_CH');
INSERT INTO t1 VALUES ('ru_RU');
INSERT INTO t1 VALUES ('ta_IN');
SELECT fmt, format(12345678901234567890.123, 3, fmt) FROM t1 ORDER BY fmt;
fmt format(12345678901234567890.123, 3, fmt)
ar_AE 12,345,678,901,234,567,890.123
ar_SA 12345678901234567890.123
be_BY 12.345.678.901.234.567.890,123
de_DE 12.345.678.901.234.567.890,123
en_IN 1,23,45,67,89,01,23,45,67,890.123
en_US 12,345,678,901,234,567,890.123
it_CH 12'345'678'901'234'567'890,123
ru_RU 12 345 678 901 234 567 890,123
ta_IN 1,23,45,67,89,01,23,45,67,890.123
SELECT fmt, format(12345678901234567890.123, 0, fmt) FROM t1 ORDER BY fmt;
fmt format(12345678901234567890.123, 0, fmt)
ar_AE 12,345,678,901,234,567,890
ar_SA 12345678901234567890
be_BY 12.345.678.901.234.567.890
de_DE 12.345.678.901.234.567.890
en_IN 1,23,45,67,89,01,23,45,67,890
en_US 12,345,678,901,234,567,890
it_CH 12'345'678'901'234'567'890
ru_RU 12 345 678 901 234 567 890
ta_IN 1,23,45,67,89,01,23,45,67,890
SELECT fmt, format(12345678901234567890, 3, fmt) FROM t1 ORDER BY fmt;
fmt format(12345678901234567890, 3, fmt)
ar_AE 12,345,678,901,234,567,890.000
ar_SA 12345678901234567890.000
be_BY 12.345.678.901.234.567.890,000
de_DE 12.345.678.901.234.567.890,000
en_IN 1,23,45,67,89,01,23,45,67,890.000
en_US 12,345,678,901,234,567,890.000
it_CH 12'345'678'901'234'567'890,000
ru_RU 12 345 678 901 234 567 890,000
ta_IN 1,23,45,67,89,01,23,45,67,890.000
SELECT fmt, format(-12345678901234567890, 3, fmt) FROM t1 ORDER BY fmt;
fmt format(-12345678901234567890, 3, fmt)
ar_AE -12,345,678,901,234,567,890.000
ar_SA -12345678901234567890.000
be_BY -12.345.678.901.234.567.890,000
de_DE -12.345.678.901.234.567.890,000
en_IN -1,23,45,67,89,01,23,45,67,890.000
en_US -12,345,678,901,234,567,890.000
it_CH -12'345'678'901'234'567'890,000
ru_RU -12 345 678 901 234 567 890,000
ta_IN -1,23,45,67,89,01,23,45,67,890.000
SELECT fmt, format(-02345678901234567890, 3, fmt) FROM t1 ORDER BY fmt;
fmt format(-02345678901234567890, 3, fmt)
ar_AE -2,345,678,901,234,567,890.000
ar_SA -2345678901234567890.000
be_BY -2.345.678.901.234.567.890,000
de_DE -2.345.678.901.234.567.890,000
en_IN -23,45,67,89,01,23,45,67,890.000
en_US -2,345,678,901,234,567,890.000
it_CH -2'345'678'901'234'567'890,000
ru_RU -2 345 678 901 234 567 890,000
ta_IN -23,45,67,89,01,23,45,67,890.000
SELECT fmt, format(-00345678901234567890, 3, fmt) FROM t1 ORDER BY fmt;
fmt format(-00345678901234567890, 3, fmt)
ar_AE -345,678,901,234,567,890.000
ar_SA -345678901234567890.000
be_BY -345.678.901.234.567.890,000
de_DE -345.678.901.234.567.890,000
en_IN -3,45,67,89,01,23,45,67,890.000
en_US -345,678,901,234,567,890.000
it_CH -345'678'901'234'567'890,000
ru_RU -345 678 901 234 567 890,000
ta_IN -3,45,67,89,01,23,45,67,890.000
SELECT fmt, format(-00045678901234567890, 3, fmt) FROM t1 ORDER BY fmt;
fmt format(-00045678901234567890, 3, fmt)
ar_AE -45,678,901,234,567,890.000
ar_SA -45678901234567890.000
be_BY -45.678.901.234.567.890,000
de_DE -45.678.901.234.567.890,000
en_IN -45,67,89,01,23,45,67,890.000
en_US -45,678,901,234,567,890.000
it_CH -45'678'901'234'567'890,000
ru_RU -45 678 901 234 567 890,000
ta_IN -45,67,89,01,23,45,67,890.000
DROP TABLE t1;
SELECT format(123, 1, 'Non-existent-locale');
format(123, 1, 'Non-existent-locale')
123.0
Warnings:
Warning 1649 Unknown locale: 'Non-existent-locale'
End of 5.4 tests
#
# Start of 5.5 tests
#
#
# Bug#55912 FORMAT with locale set fails for numbers < 1000
#
SELECT FORMAT(123.33, 2, 'no_NO'), FORMAT(1123.33, 2, 'no_NO');
FORMAT(123.33, 2, 'no_NO') FORMAT(1123.33, 2, 'no_NO')
123,33 1.123,33
SELECT FORMAT(12333e-2, 2, 'no_NO'), FORMAT(112333e-2, 2, 'no_NO');
FORMAT(12333e-2, 2, 'no_NO') FORMAT(112333e-2, 2, 'no_NO')
123,33 1.123,33
CREATE TABLE t1 AS SELECT format(123,2,'no_NO');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`format(123,2,'no_NO')` varchar(37) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT * FROM t1;
format(123,2,'no_NO')
123,00
DROP TABLE t1;
#
# Bug#11764310 conv function crashes, negative argument to memcpy
#
SELECT CONV(1,-2147483648,-2147483648);
CONV(1,-2147483648,-2147483648)
NULL
#
# Bug#12985030 SIMPLE QUERY WITH DECIMAL NUMBERS LEAKS MEMORY
#
SELECT (rpad(1.0,2048,1)) IS NOT FALSE;
(rpad(1.0,2048,1)) IS NOT FALSE
1
SELECT ((+0) IN
((0b111111111111111111111111111111111111111111111111111),(rpad(1.0,2048,1)),
(32767.1)));
((+0) IN
((0b111111111111111111111111111111111111111111111111111),(rpad(1.0,2048,1)),
(32767.1)))
0
SELECT ((rpad(1.0,2048,1)) = ('4(') ^ (0.1));
((rpad(1.0,2048,1)) = ('4(') ^ (0.1))
0
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '4('
SELECT
pow((rpad(10.0,2048,1)),(b'1111111111111111111111111111111111111111111'));
ERROR 22003: DOUBLE value is out of range in 'pow(rpad(10.0,2048,1),0x07ffffffffff)'
SELECT ((rpad(1.0,2048,1)) + (0) ^ ('../'));
((rpad(1.0,2048,1)) + (0) ^ ('../'))
1.011111111111111
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '../'
SELECT stddev_samp(rpad(1.0,2048,1));
stddev_samp(rpad(1.0,2048,1))
NULL
SELECT ((127.1) not in ((rpad(1.0,2048,1)),(''),(-1.1)));
((127.1) not in ((rpad(1.0,2048,1)),(''),(-1.1)))
1
SELECT ((0xf3) * (rpad(1.0,2048,1)) << (0xcc));
((0xf3) * (rpad(1.0,2048,1)) << (0xcc))
0
#
# Bug#13359121 LARGE NUMBERS, /STRINGS/DTOA.C:662:
# BALLOC: ASSERTION `K <= 15' FAILED.
# Bug#12985021 SIMPLE QUERY WITH DECIMAL NUMBERS TAKE AN
# EXTRAORDINARY LONG TIME TO EXECUTE
SELECT @tmp_max:= @@global.max_allowed_packet;
@tmp_max:= @@global.max_allowed_packet
4194304
SET @@global.max_allowed_packet=1024*1024*1024;
SELECT @@global.max_allowed_packet;
@@global.max_allowed_packet
1073741824
do
format(rpad('111111111.1',
1111111,
'999999999999999999999999999999999999999999'),0,'be_BY')
;
DO
round(
concat( (
coalesce( (
linefromwkb('2147483648',
-b'1111111111111111111111111111111111111111111')),
( convert('[.DC2.]',decimal(30,30)) ),
bit_count('')
) ),
( lpad( ( elt('01','}:K5')),
sha1('P'),
( ( select '-9223372036854775808.1' > all (select '')))
)
)
)
);
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: '[.DC2.]'
SET @@global.max_allowed_packet:= @tmp_max;
#
# End of 5.5 tests
#
#
# Start of 5.6 tests
#
#
# WL#5510 Functions to_base64 and from_base64
#
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',63)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(85) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh
YWFhYWFh 85
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(63) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 63
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',62)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(85) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh
YWFhYWE= 85
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(63) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 62
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',61)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(85) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh
YWFhYQ== 85
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(63) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 61
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',60)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(81) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh
YWFh 81
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(60) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 60
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',59)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(81) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh
YWE= 81
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(60) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 59
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',58)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(81) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh
YQ== 81
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(60) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 58
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',57)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(76) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 76
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(57) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 57
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',56)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(76) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 76
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(57) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 56
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',55)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(76) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 76
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(57) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 55
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',54)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(72) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 72
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(54) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 54
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',53)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(72) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 72
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(54) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 53
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',52)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(72) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 72
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(54) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 52
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',51)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(68) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 68
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(51) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 51
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',50)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(68) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 68
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(51) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 50
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',49)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(68) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 68
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(51) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 49
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',48)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(64) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 64
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(48) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 48
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',47)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(64) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 64
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(48) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 47
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',46)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(64) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 64
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(48) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 46
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',45)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(60) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 60
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(45) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 45
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',44)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(60) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 60
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(45) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 44
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',43)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(60) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 60
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(45) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 43
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',42)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(56) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 56
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(42) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 42
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',41)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(56) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 56
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(42) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 41
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',40)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(56) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 56
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(42) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 40
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',39)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(52) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 52
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(39) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 39
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',38)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(52) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 52
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(39) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 38
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',37)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(52) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 52
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(39) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 37
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',36)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(48) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 48
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(36) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 36
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',35)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(48) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 48
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(36) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 35
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',34)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(48) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 48
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(36) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 34
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',33)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(44) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 44
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(33) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 33
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',32)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(44) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 44
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(33) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 32
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',31)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(44) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 44
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(33) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 31
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',30)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(40) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 40
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 30
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',29)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(40) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 40
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa 29
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',28)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(40) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 40
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaaa 28
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',27)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(36) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 36
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(27) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaaa 27
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',26)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(36) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 36
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(27) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaaa 26
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',25)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(36) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 36
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(27) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaaa 25
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',24)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(32) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh 32
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(24) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaaa 24
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',23)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(32) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWE= 32
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(24) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaaa 23
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',22)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(32) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ== 32
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(24) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaaa 22
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',21)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(28) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWFh 28
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(21) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaaa 21
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',20)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(28) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYWE= 28
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(21) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaaa 20
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',19)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(28) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFhYQ== 28
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(21) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaaa 19
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',18)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(24) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWFh 24
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(18) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaaa 18
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',17)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(24) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYWE= 24
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(18) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaaa 17
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',16)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(24) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFhYQ== 24
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(18) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaaa 16
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',15)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(20) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWFh 20
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(15) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaaa 15
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',14)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(20) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYWE= 20
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(15) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaaa 14
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',13)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(20) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFhYQ== 20
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(15) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaaa 13
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',12)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(16) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWFh 16
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(12) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaaa 12
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',11)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(16) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYWE= 16
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(12) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaaa 11
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',10)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(16) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFhYQ== 16
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(12) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaaa 10
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',9)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(12) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWFh 12
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(9) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaaa 9
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',8)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(12) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYWE= 12
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(9) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaaa 8
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',7)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(12) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFhYQ== 12
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(9) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaaa 7
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',6)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(8) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWFh 8
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(6) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaaa 6
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',5)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(8) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYWE= 8
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(6) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaaa 5
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',4)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(8) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFhYQ== 8
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(6) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaaa 4
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',3)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(4) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWFh 4
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aaa 3
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',2)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(4) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YWE= 4
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
aa 2
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',1)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` varchar(4) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
YQ== 4
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` varbinary(3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
a 1
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT TO_BASE64(REPEAT('a',0)) AS to_base64;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`to_base64` char(0) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT to_base64, LENGTH(to_base64) FROM t1;
to_base64 LENGTH(to_base64)
0
CREATE TABLE t2 AS SELECT from_base64(to_base64) AS from_base64 FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`from_base64` binary(0) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT from_base64, LENGTH(from_base64) FROM t2;
from_base64 LENGTH(from_base64)
0
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 (a VARBINARY(64));
INSERT INTO t1 VALUES (0x00), (0x0000), (0x000000), (0x00000000);
INSERT INTO t1 VALUES (0x00010203040506070809);
SELECT TO_BASE64(a), hex(a) FROM t1 ORDER BY a;
TO_BASE64(a) hex(a)
AA== 00
AAA= 0000
AAAA 000000
AAAAAA== 00000000
AAECAwQFBgcICQ== 00010203040506070809
DROP TABLE t1;
#
# Test NULL output for NULL input
#
SELECT TO_BASE64(NULL);
TO_BASE64(NULL)
NULL
SELECT FROM_BASE64(NULL);
FROM_BASE64(NULL)
NULL
#
# RFC4648 test vectors
#
SELECT @b:= TO_BASE64(''), FROM_BASE64(@b);
@b:= TO_BASE64('') FROM_BASE64(@b)
SELECT @b:= TO_BASE64('f'), FROM_BASE64(@b);
@b:= TO_BASE64('f') FROM_BASE64(@b)
Zg== f
SELECT @b:= TO_BASE64('fo'), FROM_BASE64(@b);
@b:= TO_BASE64('fo') FROM_BASE64(@b)
Zm8= fo
SELECT @b:= TO_BASE64('foo'), FROM_BASE64(@b);
@b:= TO_BASE64('foo') FROM_BASE64(@b)
Zm9v foo
SELECT @b:= TO_BASE64('foob'), FROM_BASE64(@b);
@b:= TO_BASE64('foob') FROM_BASE64(@b)
Zm9vYg== foob
SELECT @b:= TO_BASE64('fooba'), FROM_BASE64(@b);
@b:= TO_BASE64('fooba') FROM_BASE64(@b)
Zm9vYmE= fooba
SELECT @b:= TO_BASE64('foobar'), FROM_BASE64(@b);
@b:= TO_BASE64('foobar') FROM_BASE64(@b)
Zm9vYmFy foobar
#
# Invalid characters - return NULL
#
SELECT hex(FROM_BASE64('#'));
hex(FROM_BASE64('#'))
NULL
SELECT hex(FROM_BASE64('A#'));
hex(FROM_BASE64('A#'))
NULL
SELECT hex(FROM_BASE64('AB#'));
hex(FROM_BASE64('AB#'))
NULL
SELECT hex(FROM_BASE64('ABC#'));
hex(FROM_BASE64('ABC#'))
NULL
SELECT hex(FROM_BASE64('ABCD#'));
hex(FROM_BASE64('ABCD#'))
NULL
#
# "=" is not valid on the first and second positions of a quadruple
#
SELECT hex(FROM_BASE64('='));
hex(FROM_BASE64('='))
NULL
SELECT hex(FROM_BASE64('A='));
hex(FROM_BASE64('A='))
NULL
SELECT hex(FROM_BASE64('ABCD='));
hex(FROM_BASE64('ABCD='))
NULL
SELECT hex(FROM_BASE64('ABCDE='));
hex(FROM_BASE64('ABCDE='))
NULL
#
# Incomplete sequences - return NULL
#
SELECT hex(FROM_BASE64('A'));
hex(FROM_BASE64('A'))
NULL
SELECT hex(FROM_BASE64('AB'));
hex(FROM_BASE64('AB'))
NULL
SELECT hex(FROM_BASE64('ABC'));
hex(FROM_BASE64('ABC'))
NULL
#
# Unexpected input after pad characters - return NULL
#
SELECT hex(FROM_BASE64('AAA=x'));
hex(FROM_BASE64('AAA=x'))
NULL
SELECT hex(FROM_BASE64('AA==x'));
hex(FROM_BASE64('AA==x'))
NULL
#
# Delimiters are allowed at any position
#
SELECT hex(FROM_BASE64(' A B C D '));
hex(FROM_BASE64(' A B C D '))
001083
SELECT hex(FROM_BASE64(' A A = = '));
hex(FROM_BASE64(' A A = = '))
00
SELECT hex(FROM_BASE64(' A A A = '));
hex(FROM_BASE64(' A A A = '))
0000
SELECT hex(FROM_BASE64(' A \n B \r C \t D '));
hex(FROM_BASE64(' A \n B \r C \t D '))
001083
#
# Testing that to_base64 respects max_allowed_packet
#
SELECT LENGTH(TO_BASE64(REPEAT('a', @@max_allowed_packet-10)));
LENGTH(TO_BASE64(REPEAT('a', @@max_allowed_packet-10)))
NULL
Warnings:
Warning 1301 Result of to_base64() was larger than max_allowed_packet (4194304) - truncated
#
# Testing base64 with various data types
#
CREATE TABLE t1 (
i1 INT,
f1 FLOAT,
dc1 DECIMAL(10,5),
e1 ENUM('enum11','enum12','enum13'),
s1 SET('set1','set2','set3'),
t1 TIME,
d1 DATE,
dt1 DATETIME
);
INSERT INTO t1 VALUES
(-12345, -456.789, 123.45, 'enum13', 'set1,set3',
'01:02:03', '2010-01-01', '2011-01-01 02:03:04');
SELECT FROM_BASE64(TO_BASE64(i1)) FROM t1;
FROM_BASE64(TO_BASE64(i1))
-12345
SELECT FROM_BASE64(TO_BASE64(f1)) FROM t1;
FROM_BASE64(TO_BASE64(f1))
-456.789
SELECT FROM_BASE64(TO_BASE64(dc1)) FROM t1;
FROM_BASE64(TO_BASE64(dc1))
123.45000
SELECT FROM_BASE64(TO_BASE64(e1)) FROM t1;
FROM_BASE64(TO_BASE64(e1))
enum13
SELECT FROM_BASE64(TO_BASE64(s1)) FROM t1;
FROM_BASE64(TO_BASE64(s1))
set1,set3
SELECT FROM_BASE64(TO_BASE64(t1)) FROM t1;
FROM_BASE64(TO_BASE64(t1))
01:02:03
SELECT FROM_BASE64(TO_BASE64(d1)) FROM t1;
FROM_BASE64(TO_BASE64(d1))
2010-01-01
SELECT FROM_BASE64(TO_BASE64(dt1)) FROM t1;
FROM_BASE64(TO_BASE64(dt1))
2011-01-01 02:03:04
DROP TABLE t1;
#
# Bug#11765562 58545:
# EXPORT_SET() CAN BE USED TO MAKE ENTIRE SERVER COMPLETELY UNRESPONSIVE
#
SELECT @tmp_max:= @@global.max_allowed_packet;
@tmp_max:= @@global.max_allowed_packet
4194304
SET @@global.max_allowed_packet=1024*1024*1024;
SELECT @@global.max_allowed_packet;
@@global.max_allowed_packet
1073741824
SELECT CHAR_LENGTH(EXPORT_SET(1,1,1,REPEAT(1,100000000)));
CHAR_LENGTH(EXPORT_SET(1,1,1,REPEAT(1,100000000)))
NULL
Warnings:
Warning 1301 Result of export_set() was larger than max_allowed_packet (1073741824) - truncated
SET @@global.max_allowed_packet:= @tmp_max;
SELECT SPACE(@@global.max_allowed_packet*2);
SPACE(@@global.max_allowed_packet*2)
NULL
Warnings:
Warning 1301 Result of space() was larger than max_allowed_packet (4194304) - truncated
SET NAMES latin1;
PREPARE stmt FROM "SELECT COLLATION(space(2))";
EXECUTE stmt;
COLLATION(space(2))
latin1_swedish_ci
SET NAMES latin2;
EXECUTE stmt;
COLLATION(space(2))
latin2_general_ci
#
# Bug#11829861: SUBSTRING_INDEX() RESULTS IN MISSING CHARACTERS WHEN USED
# INSIDE LOWER()
#
SET @user_at_host = 'root@mytinyhost-PC.local';
SELECT LOWER(SUBSTRING_INDEX(@user_at_host, '@', -1));
LOWER(SUBSTRING_INDEX(@user_at_host, '@', -1))
mytinyhost-pc.local
# End of test BUG#11829861
#
# Bug#42404: SUBSTRING_INDEX() RESULTS ARE INCONSISTENT
#
CREATE TABLE t (i INT NOT NULL, c CHAR(255) NOT NULL);
INSERT INTO t VALUES (0,'.www.mysql.com'),(1,'.wwwmysqlcom');
SELECT i, SUBSTRING_INDEX(c, '.', -2) FROM t WHERE i = 1;
i SUBSTRING_INDEX(c, '.', -2)
1 .wwwmysqlcom
SELECT i, SUBSTRING_INDEX(c, '.', -2) FROM t;
i SUBSTRING_INDEX(c, '.', -2)
0 mysql.com
1 .wwwmysqlcom
DROP TABLE t;
# End of test BUG#42404
#
# Bug#13812875 ILLEGAL MIX OF COLLATIONS WITH FUNCTIONS THAT USED TO WORK
#
SET NAMES utf8;
CREATE TABLE t1 (a varchar(1));
SELECT * FROM t1 WHERE a=md5('a');
a
SELECT * FROM t1 WHERE a=hex('a');
a
SELECT * FROM t1 WHERE a=to_base64('a');
a
DROP TABLE t1;
SET NAMES latin1;
#
# Bug #21056907: CONTENTS OF NOT REQUESTED CHAR/VARCHAR COLUMN ARE
# REVEALED
CREATE TABLE t1 (id INT, d TEXT);
INSERT INTO t1 VALUES (1, 'this is a secret'), (2, 'public data');
SELECT id, insert(':', 1, 0, d) FROM t1;
id insert(':', 1, 0, d)
1 this is a secret:
2 public data:
SELECT id, insert(0x3a, 1, 0, d) FROM t1;
id insert(0x3a, 1, 0, d)
1 this is a secret:
2 public data:
DROP TABLE t1;
#
# Bug#22888420 CONCAT_WS: ASSERTION FAILED: !S.USES_BUFFER_OWNED_BY(THIS)
#
do concat('a',concat_ws('a', 0x2859, 'a' ,
trim(period_add('a',1) from (1&''))
)
);
Warnings:
Warning 1292 Truncated incorrect INTEGER value: ''
Warning 1292 Truncated incorrect INTEGER value: 'a'
#
# End of 5.6 tests
#
#
# Bug 31413167 - PLEASE BACKPORT FIX FOR BUG 31320716 TO 5.6
#
SELECT @var:=CONCAT('');
@var:=CONCAT('')
SELECT @var:=CONCAT_WS('','');
@var:=CONCAT_WS('','')
SET NAMES utf8;
CREATE TABLE t(a INT) engine=innodb;
INSERT INTO t VALUES(1);
SELECT 1 FROM t WHERE WEIGHT_STRING(CONCAT_WS('1',''));
1
SELECT 1 FROM t WHERE WEIGHT_STRING(CONCAT('',''));
1
SET NAMES DEFAULT;
DROP TABLE t;