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|
drop table if exists t1;
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 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',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 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(' 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 a 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')
HAROLD HARRY
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 (1048576) - 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
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(14) 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 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('b',_latin2'A','B',1);
FIELD('b',_latin2'A','B',1)
1
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);
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