mirror of
https://github.com/MariaDB/server.git
synced 2025-02-01 03:21:53 +01:00
031390a9a4
Cleaned up embedded library access and query cache handling Changed min stack size to 128K (to allow longer MyISAM keys) Fixed wrong priority for XOR (should be less than NEG to get -1^1 to work)
607 lines
33 KiB
Text
607 lines
33 KiB
Text
drop table if exists t1;
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set names latin1;
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select 'hello',"'hello'",'""hello""','''h''e''l''l''o''',"hel""lo",'hel\'lo';
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hello 'hello' ""hello"" 'h'e'l'l'o' hel"lo hel'lo
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hello 'hello' ""hello"" 'h'e'l'l'o' hel"lo hel'lo
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select 'hello' 'monty';
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hello
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hellomonty
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select length('\n\t\r\b\0\_\%\\');
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length('\n\t\r\b\0\_\%\\')
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10
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select bit_length('\n\t\r\b\0\_\%\\');
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bit_length('\n\t\r\b\0\_\%\\')
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80
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select char_length('\n\t\r\b\0\_\%\\');
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char_length('\n\t\r\b\0\_\%\\')
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10
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select length(_latin1'\n\t\n\b\0\\_\\%\\');
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length(_latin1'\n\t\n\b\0\\_\\%\\')
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10
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select concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h');
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concat('monty',' was here ','again') length('hello') char(ascii('h')) ord('h')
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monty was here again 5 h 104
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select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
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locate('he','hello') locate('he','hello',2) locate('lo','hello',2)
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1 0 4
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select instr('hello','HE'), instr('hello',binary 'HE'), instr(binary 'hello','HE');
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instr('hello','HE') instr('hello',binary 'HE') instr(binary 'hello','HE')
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1 0 0
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select position(binary 'll' in 'hello'),position('a' in binary 'hello');
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position(binary 'll' in 'hello') position('a' in binary 'hello')
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3 0
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select left('hello',2),right('hello',2),substring('hello',2,2),mid('hello',1,5) ;
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left('hello',2) right('hello',2) substring('hello',2,2) mid('hello',1,5)
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he lo el hello
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select concat('',left(right(concat('what ',concat('is ','happening')),9),4),'',substring('monty',5,1)) ;
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concat('',left(right(concat('what ',concat('is ','happening')),9),4),'',substring('monty',5,1))
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happy
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select substring_index('www.tcx.se','.',-2),substring_index('www.tcx.se','.',1);
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substring_index('www.tcx.se','.',-2) substring_index('www.tcx.se','.',1)
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tcx.se www
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select substring_index('www.tcx.se','tcx',1),substring_index('www.tcx.se','tcx',-1);
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substring_index('www.tcx.se','tcx',1) substring_index('www.tcx.se','tcx',-1)
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www. .se
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select substring_index('.tcx.se','.',-2),substring_index('.tcx.se','.tcx',-1);
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substring_index('.tcx.se','.',-2) substring_index('.tcx.se','.tcx',-1)
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tcx.se .se
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select concat(':',ltrim(' left '),':',rtrim(' right '),':');
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concat(':',ltrim(' left '),':',rtrim(' right '),':')
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:left : right:
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select concat(':',trim(LEADING FROM ' left'),':',trim(TRAILING FROM ' right '),':');
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concat(':',trim(LEADING FROM ' left'),':',trim(TRAILING FROM ' right '),':')
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:left: right:
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select concat(':',trim(' m '),':',trim(BOTH FROM ' y '),':',trim('*' FROM '*s*'),':');
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concat(':',trim(' m '),':',trim(BOTH FROM ' y '),':',trim('*' FROM '*s*'),':')
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:m:y:s:
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select concat(':',trim(BOTH 'ab' FROM 'ababmyabab'),':',trim(BOTH '*' FROM '***sql'),':');
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concat(':',trim(BOTH 'ab' FROM 'ababmyabab'),':',trim(BOTH '*' FROM '***sql'),':')
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:my:sql:
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select concat(':',trim(LEADING '.*' FROM '.*my'),':',trim(TRAILING '.*' FROM 'sql.*.*'),':');
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concat(':',trim(LEADING '.*' FROM '.*my'),':',trim(TRAILING '.*' FROM 'sql.*.*'),':')
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:my:sql:
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select TRIM("foo" FROM "foo"), TRIM("foo" FROM "foook"), TRIM("foo" FROM "okfoo");
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TRIM("foo" FROM "foo") TRIM("foo" FROM "foook") TRIM("foo" FROM "okfoo")
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ok ok
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select concat_ws(', ','monty','was here','again');
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concat_ws(', ','monty','was here','again')
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monty, was here, again
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select concat_ws(NULL,'a'),concat_ws(',',NULL,'');
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concat_ws(NULL,'a') concat_ws(',',NULL,'')
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NULL
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select concat_ws(',','',NULL,'a');
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concat_ws(',','',NULL,'a')
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,a
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SELECT CONCAT('"',CONCAT_WS('";"',repeat('a',60),repeat('b',60),repeat('c',60),repeat('d',100)), '"');
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CONCAT('"',CONCAT_WS('";"',repeat('a',60),repeat('b',60),repeat('c',60),repeat('d',100)), '"')
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc";"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
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select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
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insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
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this is a test
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select replace('aaaa','a','b'),replace('aaaa','aa','b'),replace('aaaa','a','bb'),replace('aaaa','','b'),replace('bbbb','a','c');
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replace('aaaa','a','b') replace('aaaa','aa','b') replace('aaaa','a','bb') replace('aaaa','','b') replace('bbbb','a','c')
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bbbb bb bbbbbbbb aaaa bbbb
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select replace(concat(lcase(concat('THIS',' ','IS',' ','A',' ')),ucase('false'),' ','test'),'FALSE','REAL') ;
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replace(concat(lcase(concat('THIS',' ','IS',' ','A',' ')),ucase('false'),' ','test'),'FALSE','REAL')
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this is a REAL test
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select soundex(''),soundex('he'),soundex('hello all folks');
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soundex('') soundex('he') soundex('hello all folks')
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H000 H4142
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select 'mood' sounds like 'mud';
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'mood' sounds like 'mud'
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1
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select 'Glazgo' sounds like 'Liverpool';
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'Glazgo' sounds like 'Liverpool'
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0
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select null sounds like 'null';
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null sounds like 'null'
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NULL
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select 'null' sounds like null;
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'null' sounds like null
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NULL
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select null sounds like null;
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null sounds like null
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NULL
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select md5('hello');
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md5('hello')
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5d41402abc4b2a76b9719d911017c592
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select crc32("123");
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crc32("123")
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2286445522
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select sha('abc');
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sha('abc')
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a9993e364706816aba3e25717850c26c9cd0d89d
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select sha1('abc');
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sha1('abc')
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a9993e364706816aba3e25717850c26c9cd0d89d
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select aes_decrypt(aes_encrypt('abc','1'),'1');
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aes_decrypt(aes_encrypt('abc','1'),'1')
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abc
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select aes_decrypt(aes_encrypt('abc','1'),1);
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aes_decrypt(aes_encrypt('abc','1'),1)
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abc
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select aes_encrypt(NULL,"a");
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aes_encrypt(NULL,"a")
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NULL
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select aes_encrypt("a",NULL);
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aes_encrypt("a",NULL)
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NULL
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select aes_decrypt(NULL,"a");
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aes_decrypt(NULL,"a")
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NULL
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select aes_decrypt("a",NULL);
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aes_decrypt("a",NULL)
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NULL
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select aes_decrypt("a","a");
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aes_decrypt("a","a")
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NULL
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select aes_decrypt(aes_encrypt("","a"),"a");
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aes_decrypt(aes_encrypt("","a"),"a")
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select repeat('monty',5),concat('*',space(5),'*');
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repeat('monty',5) concat('*',space(5),'*')
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montymontymontymontymonty * *
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select reverse('abc'),reverse('abcd');
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reverse('abc') reverse('abcd')
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cba dcba
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select rpad('a',4,'1'),rpad('a',4,'12'),rpad('abcd',3,'12'), rpad(11, 10 , 22), rpad("ab", 10, 22);
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rpad('a',4,'1') rpad('a',4,'12') rpad('abcd',3,'12') rpad(11, 10 , 22) rpad("ab", 10, 22)
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a111 a121 abc 1122222222 ab22222222
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select lpad('a',4,'1'),lpad('a',4,'12'),lpad('abcd',3,'12'), lpad(11, 10 , 22);
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lpad('a',4,'1') lpad('a',4,'12') lpad('abcd',3,'12') lpad(11, 10 , 22)
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111a 121a abc 2222222211
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select rpad(741653838,17,'0'),lpad(741653838,17,'0');
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rpad(741653838,17,'0') lpad(741653838,17,'0')
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74165383800000000 00000000741653838
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select rpad('abcd',7,'ab'),lpad('abcd',7,'ab');
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rpad('abcd',7,'ab') lpad('abcd',7,'ab')
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abcdaba abaabcd
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select rpad('abcd',1,'ab'),lpad('abcd',1,'ab');
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rpad('abcd',1,'ab') lpad('abcd',1,'ab')
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a a
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select rpad('STRING', 20, CONCAT('p','a','d') );
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rpad('STRING', 20, CONCAT('p','a','d') )
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STRINGpadpadpadpadpa
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select lpad('STRING', 20, CONCAT('p','a','d') );
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lpad('STRING', 20, CONCAT('p','a','d') )
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padpadpadpadpaSTRING
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select LEAST(NULL,'HARRY','HARRIOT',NULL,'HAROLD'),GREATEST(NULL,'HARRY','HARRIOT',NULL,'HAROLD');
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LEAST(NULL,'HARRY','HARRIOT',NULL,'HAROLD') GREATEST(NULL,'HARRY','HARRIOT',NULL,'HAROLD')
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HAROLD HARRY
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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");
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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")
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33 4 1.0 1.0 1.1 9 B
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select decode(encode(repeat("a",100000),"monty"),"monty")=repeat("a",100000);
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decode(encode(repeat("a",100000),"monty"),"monty")=repeat("a",100000)
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1
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select decode(encode("abcdef","monty"),"monty")="abcdef";
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decode(encode("abcdef","monty"),"monty")="abcdef"
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1
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select quote('\'\"\\test');
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quote('\'\"\\test')
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'\'"\\test'
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select quote(concat('abc\'', '\\cba'));
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quote(concat('abc\'', '\\cba'))
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'abc\'\\cba'
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select quote(1/0), quote('\0\Z');
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quote(1/0) quote('\0\Z')
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NULL '\0\Z'
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select length(quote(concat(char(0),"test")));
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length(quote(concat(char(0),"test")))
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8
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select hex(quote(concat(char(224),char(227),char(230),char(231),char(232),char(234),char(235))));
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hex(quote(concat(char(224),char(227),char(230),char(231),char(232),char(234),char(235))))
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27E0E3E6E7E8EAEB27
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select reverse("");
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reverse("")
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select insert("aa",100,1,"b"),insert("aa",1,3,"b"),left("aa",-1),substring("a",1,2);
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insert("aa",100,1,"b") insert("aa",1,3,"b") left("aa",-1) substring("a",1,2)
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aa b a
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select elt(2,1),field(NULL,"a","b","c"),reverse("");
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elt(2,1) field(NULL,"a","b","c") reverse("")
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NULL 0
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select locate("a","b",2),locate("","a",1);
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locate("a","b",2) locate("","a",1)
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0 1
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select ltrim("a"),rtrim("a"),trim(BOTH "" from "a"),trim(BOTH " " from "a");
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ltrim("a") rtrim("a") trim(BOTH "" from "a") trim(BOTH " " from "a")
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a a a a
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select concat("1","2")|0,concat("1",".5")+0.0;
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concat("1","2")|0 concat("1",".5")+0.0
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12 1.5
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select substring_index("www.tcx.se","",3);
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substring_index("www.tcx.se","",3)
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select length(repeat("a",100000000)),length(repeat("a",1000*64));
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length(repeat("a",100000000)) length(repeat("a",1000*64))
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NULL 64000
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select position("0" in "baaa" in (1)),position("0" in "1" in (1,2,3)),position("sql" in ("mysql"));
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position("0" in "baaa" in (1)) position("0" in "1" in (1,2,3)) position("sql" in ("mysql"))
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1 0 3
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select position(("1" in (1,2,3)) in "01");
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position(("1" in (1,2,3)) in "01")
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2
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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)));
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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)))
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65500 64000 50000 60000
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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)));
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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)))
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1000000 96000 160000 95000
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create table t1 ( domain char(50) );
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insert into t1 VALUES ("hello.de" ), ("test.de" );
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select domain from t1 where concat('@', trim(leading '.' from concat('.', domain))) = '@hello.de';
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domain
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hello.de
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select domain from t1 where concat('@', trim(leading '.' from concat('.', domain))) = '@test.de';
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domain
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test.de
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drop table t1;
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CREATE TABLE t1 (
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id int(10) unsigned NOT NULL,
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title varchar(255) default NULL,
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prio int(10) unsigned default NULL,
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category int(10) unsigned default NULL,
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program int(10) unsigned default NULL,
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bugdesc text,
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created datetime default NULL,
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modified timestamp(14) NOT NULL,
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bugstatus int(10) unsigned default NULL,
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submitter int(10) unsigned default NULL
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) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1,'Link',1,1,1,'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa','2001-02-28 08:40:16',20010228084016,0,4);
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SELECT CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter), '"') FROM t1;
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CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter), '"')
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"Link";"1";"1";"1";"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"2001-02-28 08:40:16";"20010228084016";"0";"4"
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SELECT CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugstatus,submitter), '"') FROM t1;
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CONCAT('"',CONCAT_WS('";"',title,prio,category,program,bugstatus,submitter), '"')
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"Link";"1";"1";"1";"0";"4"
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SELECT CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter) FROM t1;
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CONCAT_WS('";"',title,prio,category,program,bugdesc,created,modified+0,bugstatus,submitter)
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Link";"1";"1";"1";"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"2001-02-28 08:40:16";"20010228084016";"0";"4
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SELECT bugdesc, REPLACE(bugdesc, 'xxxxxxxxxxxxxxxxxxxx', 'bbbbbbbbbbbbbbbbbbbb') from t1 group by bugdesc;
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bugdesc REPLACE(bugdesc, 'xxxxxxxxxxxxxxxxxxxx', 'bbbbbbbbbbbbbbbbbbbb')
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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drop table t1;
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CREATE TABLE t1 (id int(11) NOT NULL auto_increment, tmp text NOT NULL, KEY id (id)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1, 'a545f661efdd1fb66fdee3aab79945bf');
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SELECT 1 FROM t1 WHERE tmp=AES_DECRYPT(tmp,"password");
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1
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DROP TABLE t1;
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select 1=_latin1'1';
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1=_latin1'1'
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1
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select _latin1'1'=1;
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_latin1'1'=1
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1
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select _latin2'1'=1;
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_latin2'1'=1
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1
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select 1=_latin2'1';
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1=_latin2'1'
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1
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select _latin1'1'=_latin2'1';
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ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation '='
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select row('a','b','c') = row('a','b','c');
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row('a','b','c') = row('a','b','c')
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1
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select row('A','b','c') = row('a','b','c');
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row('A','b','c') = row('a','b','c')
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1
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select row('A' COLLATE latin1_bin,'b','c') = row('a','b','c');
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row('A' COLLATE latin1_bin,'b','c') = row('a','b','c')
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0
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select row('A','b','c') = row('a' COLLATE latin1_bin,'b','c');
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row('A','b','c') = row('a' COLLATE latin1_bin,'b','c')
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0
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select row('A' COLLATE latin1_general_ci,'b','c') = row('a' COLLATE latin1_bin,'b','c');
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ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation '='
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select concat(_latin1'a',_latin2'a');
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ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'concat'
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select concat(_latin1'a',_latin2'a',_latin5'a');
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ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE), (latin2_general_ci,COERCIBLE), (latin5_turkish_ci,COERCIBLE) for operation 'concat'
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select concat(_latin1'a',_latin2'a',_latin5'a',_latin7'a');
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ERROR HY000: Illegal mix of collations for operation 'concat'
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select FIELD('b','A','B');
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FIELD('b','A','B')
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2
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select FIELD('B','A','B');
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FIELD('B','A','B')
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2
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select FIELD('b' COLLATE latin1_bin,'A','B');
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FIELD('b' COLLATE latin1_bin,'A','B')
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0
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select FIELD('b','A' COLLATE latin1_bin,'B');
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FIELD('b','A' COLLATE latin1_bin,'B')
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0
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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 'substr_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 'substr_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 3
|
||
select collation(oct(130)), coercibility(oct(130));
|
||
collation(oct(130)) coercibility(oct(130))
|
||
latin1_swedish_ci 3
|
||
select collation(conv(130,16,10)), coercibility(conv(130,16,10));
|
||
collation(conv(130,16,10)) coercibility(conv(130,16,10))
|
||
latin1_swedish_ci 3
|
||
select collation(hex(130)), coercibility(hex(130));
|
||
collation(hex(130)) coercibility(hex(130))
|
||
latin1_swedish_ci 3
|
||
select collation(char(130)), coercibility(hex(130));
|
||
collation(char(130)) coercibility(hex(130))
|
||
binary 3
|
||
select collation(format(130,10)), coercibility(format(130,10));
|
||
collation(format(130,10)) coercibility(format(130,10))
|
||
latin1_swedish_ci 3
|
||
select collation(lcase(_latin2'a')), coercibility(lcase(_latin2'a'));
|
||
collation(lcase(_latin2'a')) coercibility(lcase(_latin2'a'))
|
||
latin2_general_ci 3
|
||
select collation(ucase(_latin2'a')), coercibility(ucase(_latin2'a'));
|
||
collation(ucase(_latin2'a')) coercibility(ucase(_latin2'a'))
|
||
latin2_general_ci 3
|
||
select collation(left(_latin2'a',1)), coercibility(left(_latin2'a',1));
|
||
collation(left(_latin2'a',1)) coercibility(left(_latin2'a',1))
|
||
latin2_general_ci 3
|
||
select collation(right(_latin2'a',1)), coercibility(right(_latin2'a',1));
|
||
collation(right(_latin2'a',1)) coercibility(right(_latin2'a',1))
|
||
latin2_general_ci 3
|
||
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 3
|
||
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 3
|
||
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 3
|
||
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 3
|
||
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 3
|
||
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 3
|
||
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' '))
|
||
binary 3
|
||
select collation(trim(_latin2' a ')), coercibility(trim(_latin2' a '));
|
||
collation(trim(_latin2' a ')) coercibility(trim(_latin2' a '))
|
||
latin2_general_ci 3
|
||
select collation(ltrim(_latin2' a ')), coercibility(ltrim(_latin2' a '));
|
||
collation(ltrim(_latin2' a ')) coercibility(ltrim(_latin2' a '))
|
||
latin2_general_ci 3
|
||
select collation(rtrim(_latin2' a ')), coercibility(rtrim(_latin2' a '));
|
||
collation(rtrim(_latin2' a ')) coercibility(rtrim(_latin2' a '))
|
||
latin2_general_ci 3
|
||
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 3
|
||
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 3
|
||
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 3
|
||
select collation(repeat(_latin2'a',10)), coercibility(repeat(_latin2'a',10));
|
||
collation(repeat(_latin2'a',10)) coercibility(repeat(_latin2'a',10))
|
||
latin2_general_ci 3
|
||
select collation(reverse(_latin2'ab')), coercibility(reverse(_latin2'ab'));
|
||
collation(reverse(_latin2'ab')) coercibility(reverse(_latin2'ab'))
|
||
latin2_general_ci 3
|
||
select collation(quote(_latin2'ab')), coercibility(quote(_latin2'ab'));
|
||
collation(quote(_latin2'ab')) coercibility(quote(_latin2'ab'))
|
||
latin2_general_ci 3
|
||
select collation(soundex(_latin2'ab')), coercibility(soundex(_latin2'ab'));
|
||
collation(soundex(_latin2'ab')) coercibility(soundex(_latin2'ab'))
|
||
latin2_general_ci 3
|
||
select collation(substring(_latin2'ab',1)), coercibility(substring(_latin2'ab',1));
|
||
collation(substring(_latin2'ab',1)) coercibility(substring(_latin2'ab',1))
|
||
latin2_general_ci 3
|
||
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 3
|
||
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 3
|
||
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')
|
||
;
|
||
Warnings:
|
||
Warning 1264 Data truncated for column 'format(130,10)' at row 1
|
||
show create table t1;
|
||
Table Create Table
|
||
t1 CREATE TABLE `t1` (
|
||
`bin(130)` char(64) NOT NULL default '',
|
||
`oct(130)` char(64) NOT NULL default '',
|
||
`conv(130,16,10)` char(64) NOT NULL default '',
|
||
`hex(130)` char(6) NOT NULL default '',
|
||
`char(130)` char(1) NOT NULL default '',
|
||
`format(130,10)` char(4) NOT NULL default '',
|
||
`left(_latin2'a',1)` char(1) character set latin2 NOT NULL default '',
|
||
`right(_latin2'a',1)` char(1) character set latin2 NOT NULL default '',
|
||
`lcase(_latin2'a')` char(1) character set latin2 NOT NULL default '',
|
||
`ucase(_latin2'a')` char(1) character set latin2 NOT NULL default '',
|
||
`substring(_latin2'a',1,1)` char(1) character set latin2 NOT NULL default '',
|
||
`concat(_latin2'a',_latin2'b')` char(2) character set latin2 NOT NULL default '',
|
||
`lpad(_latin2'a',4,_latin2'b')` char(4) character set latin2 NOT NULL default '',
|
||
`rpad(_latin2'a',4,_latin2'b')` char(4) character set latin2 NOT NULL default '',
|
||
`concat_ws(_latin2'a',_latin2'b')` char(1) character set latin2 NOT NULL default '',
|
||
`make_set(255,_latin2'a',_latin2'b',_latin2'c')` char(5) character set latin2 NOT NULL default '',
|
||
`export_set(255,_latin2'y',_latin2'n',_latin2' ')` char(127) character set latin2 NOT NULL default '',
|
||
`trim(_latin2' a ')` char(3) character set latin2 NOT NULL default '',
|
||
`ltrim(_latin2' a ')` char(3) character set latin2 NOT NULL default '',
|
||
`rtrim(_latin2' a ')` char(3) character set latin2 NOT NULL default '',
|
||
`trim(LEADING _latin2' ' FROM _latin2' a ')` char(3) character set latin2 NOT NULL default '',
|
||
`trim(TRAILING _latin2' ' FROM _latin2' a ')` char(3) character set latin2 NOT NULL default '',
|
||
`trim(BOTH _latin2' ' FROM _latin2' a ')` char(3) character set latin2 NOT NULL default '',
|
||
`repeat(_latin2'a',10)` char(10) character set latin2 NOT NULL default '',
|
||
`reverse(_latin2'ab')` char(2) character set latin2 NOT NULL default '',
|
||
`quote(_latin2'ab')` char(6) character set latin2 NOT NULL default '',
|
||
`soundex(_latin2'ab')` char(4) character set latin2 NOT NULL default '',
|
||
`substring(_latin2'ab',1)` char(2) character set latin2 NOT NULL default '',
|
||
`insert(_latin2'abcd',2,3,_latin2'ef')` char(6) character set latin2 NOT NULL default '',
|
||
`replace(_latin2'abcd',_latin2'b',_latin2'B')` char(4) character set latin2 NOT NULL default ''
|
||
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
drop table t1;
|
||
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;
|
||
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)),"."))
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NULL
|
||
</a>..........................
|
||
DROP TABLE t1;
|
||
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)
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1abcd;2abcd 3abcd;4abcd
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||
explain extended select md5('hello'), sha('abc'), sha1('abc'), soundex(''), 'mood' sounds like 'mud', aes_decrypt(aes_encrypt('abc','1'),'1'),concat('*',space(5),'*'), reverse('abc'), rpad('a',4,'1'), lpad('a',4,'1'), concat_ws(',','',NULL,'a'),make_set(255,_latin2'a',_latin2'b',_latin2'c'),elt(2,1),locate("a","b",2),format(130,10),char(0),conv(130,16,10),hex(130),binary 'HE', export_set(255,_latin2'y',_latin2'n',_latin2' '),FIELD('b' COLLATE latin1_bin,'A','B'),FIND_IN_SET(_latin1'B',_latin1'a,b,c,d'),collation(conv(130,16,10)), coercibility(conv(130,16,10)),length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h'),quote(1/0),crc32("123"),replace('aaaa','a','b'),insert('txs',2,1,'hi'),left(_latin2'a',1),right(_latin2'a',1),lcase(_latin2'a'),ucase(_latin2'a'),SUBSTR('abcdefg',3,2),substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2),trim(_latin2' a '),ltrim(_latin2' a '),rtrim(_latin2' a '), decode(encode(repeat("a",100000),"monty"),"monty");
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||
id select_type table type possible_keys key key_len ref rows Extra
|
||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||
Warnings:
|
||
Note 1003 select high_priority md5(_latin1'hello') AS `md5('hello')`,sha(_latin1'abc') AS `sha('abc')`,sha(_latin1'abc') AS `sha1('abc')`,soundex(_latin1'') AS `soundex('')`,(soundex(_latin1'mood') = soundex(_latin1'mud')) AS `'mood' sounds like 'mud'`,aes_decrypt(aes_encrypt(_latin1'abc',_latin1'1'),_latin1'1') AS `aes_decrypt(aes_encrypt('abc','1'),'1')`,concat(_latin1'*',repeat(_latin1' ',5),_latin1'*') AS `concat('*',space(5),'*')`,reverse(_latin1'abc') AS `reverse('abc')`,rpad(_latin1'a',4,_latin1'1') AS `rpad('a',4,'1')`,lpad(_latin1'a',4,_latin1'1') AS `lpad('a',4,'1')`,concat_ws(_latin1',',_latin1'',NULL,_latin1'a') AS `concat_ws(',','',NULL,'a')`,make_set(255,_latin2'a',_latin2'b',_latin2'c') AS `make_set(255,_latin2'a',_latin2'b',_latin2'c')`,elt(2,1) AS `elt(2,1)`,locate(_latin1'a',_latin1'b',2) AS `locate("a","b",2)`,format(130,10) AS `format(130,10)`,char(0) AS `char(0)`,conv(130,16,10) AS `conv(130,16,10)`,hex(130) AS `hex(130)`,(_latin1'HE' collate _latin1'BINARY') AS `binary 'HE'`,export_set(255,_latin2'y',_latin2'n',_latin2' ') AS `export_set(255,_latin2'y',_latin2'n',_latin2' ')`,field((_latin1'b' collate _latin1'latin1_bin'),_latin1'A',_latin1'B') AS `FIELD('b' COLLATE latin1_bin,'A','B')`,find_in_set(_latin1'B',_latin1'a,b,c,d') AS `FIND_IN_SET(_latin1'B',_latin1'a,b,c,d')`,collation(conv(130,16,10)) AS `collation(conv(130,16,10))`,coercibility(conv(130,16,10)) AS `coercibility(conv(130,16,10))`,length(_latin1'\n \r\0\\_\\%\\') AS `length('\n\t\r\b\0\_\%\\')`,bit_length(_latin1'\n \r\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`,bit_length(_latin1'\n \r\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`,concat(_latin1'monty',_latin1' was here ',_latin1'again') AS `concat('monty',' was here ','again')`,length(_latin1'hello') AS `length('hello')`,char(ascii(_latin1'h')) AS `char(ascii('h'))`,ord(_latin1'h') AS `ord('h')`,quote((1 / 0)) AS `quote(1/0)`,crc32(_latin1'123') AS `crc32("123")`,replace(_latin1'aaaa',_latin1'a',_latin1'b') AS `replace('aaaa','a','b')`,insert(_latin1'txs',2,1,_latin1'hi') AS `insert('txs',2,1,'hi')`,left(_latin2'a',1) AS `left(_latin2'a',1)`,right(_latin2'a',1) AS `right(_latin2'a',1)`,lcase(_latin2'a') AS `lcase(_latin2'a')`,ucase(_latin2'a') AS `ucase(_latin2'a')`,substr(_latin1'abcdefg',3,2) AS `SUBSTR('abcdefg',3,2)`,substr_index(_latin1'1abcd;2abcd;3abcd;4abcd',_latin1';',2) AS `substring_index("1abcd;2abcd;3abcd;4abcd", ';', 2)`,trim(_latin2' a ') AS `trim(_latin2' a ')`,ltrim(_latin2' a ') AS `ltrim(_latin2' a ')`,rtrim(_latin2' a ') AS `rtrim(_latin2' a ')`,decode(encode(repeat(_latin1'a',100000))) AS `decode(encode(repeat("a",100000),"monty"),"monty")`
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