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64d11bb395
BitKeeper/deleted/.del-internals.texi~62b6f580a41c2a43: Auto merged innobase/os/os0file.c: Auto merged innobase/srv/srv0srv.c: Auto merged innobase/srv/srv0start.c: Auto merged mysql-test/r/func_str.result: Auto merged mysql-test/r/rpl_loaddata.result: Auto merged mysql-test/t/rpl_loaddata.test: Auto merged sql/handler.cc: Auto merged sql/item_strfunc.cc: Auto merged sql/net_serv.cc: Auto merged sql/slave.cc: Auto merged sql/sql_repl.cc: Auto merged support-files/mysql.spec.sh: Auto merged
324 lines
16 KiB
Text
324 lines
16 KiB
Text
drop table if exists t1;
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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 concat('monty',' was here ','again'),length('hello'),char(ascii('h'));
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concat('monty',' was here ','again') length('hello') char(ascii('h'))
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monty was here again 5 h
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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 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');
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rpad('a',4,'1') rpad('a',4,'12') rpad('abcd',3,'12')
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a111 a121 abc
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select lpad('a',4,'1'),lpad('a',4,'12'),lpad('abcd',3,'12');
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lpad('a',4,'1') lpad('a',4,'12') lpad('abcd',3,'12')
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111a 121a abc
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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 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 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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) TYPE=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)) TYPE=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 collation(lcase(_latin2'a')), coercibility(lcase(_latin2'a'));
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collation(lcase(_latin2'a')) coercibility(lcase(_latin2'a'))
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latin2_general_ci 3
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select collation(ucase(_latin2'a')), coercibility(ucase(_latin2'a'));
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collation(ucase(_latin2'a')) coercibility(ucase(_latin2'a'))
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latin2_general_ci 3
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select collation(left(_latin2'a',1)), coercibility(left(_latin2'a',1));
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collation(left(_latin2'a',1)) coercibility(left(_latin2'a',1))
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latin2_general_ci 3
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select collation(right(_latin2'a',1)), coercibility(right(_latin2'a',1));
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collation(right(_latin2'a',1)) coercibility(right(_latin2'a',1))
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latin2_general_ci 3
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select collation(substring(_latin2'a',1,1)), coercibility(substring(_latin2'a',1,1));
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collation(substring(_latin2'a',1,1)) coercibility(substring(_latin2'a',1,1))
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latin2_general_ci 3
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select collation(concat(_latin2'a',_latin2'b')), coercibility(concat(_latin2'a',_latin2'b'));
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collation(concat(_latin2'a',_latin2'b')) coercibility(concat(_latin2'a',_latin2'b'))
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latin2_general_ci 3
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select collation(concat_ws(_latin2'a',_latin2'b')), coercibility(concat_ws(_latin2'a',_latin2'b'));
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collation(concat_ws(_latin2'a',_latin2'b')) coercibility(concat_ws(_latin2'a',_latin2'b'))
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latin2_general_ci 3
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select collation(trim(_latin2' a ')), coercibility(trim(_latin2' a '));
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collation(trim(_latin2' a ')) coercibility(trim(_latin2' a '))
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latin2_general_ci 3
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select collation(ltrim(_latin2' a ')), coercibility(ltrim(_latin2' a '));
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collation(ltrim(_latin2' a ')) coercibility(ltrim(_latin2' a '))
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latin2_general_ci 3
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select collation(rtrim(_latin2' a ')), coercibility(rtrim(_latin2' a '));
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collation(rtrim(_latin2' a ')) coercibility(rtrim(_latin2' a '))
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latin2_general_ci 3
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select collation(trim(LEADING _latin2' ' FROM _latin2'a')), coercibility(trim(LEADING _latin2'a' FROM _latin2'a'));
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collation(trim(LEADING _latin2' ' FROM _latin2'a')) coercibility(trim(LEADING _latin2'a' FROM _latin2'a'))
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latin2_general_ci 3
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select collation(trim(TRAILING _latin2' ' FROM _latin2'a')), coercibility(trim(TRAILING _latin2'a' FROM _latin2'a'));
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collation(trim(TRAILING _latin2' ' FROM _latin2'a')) coercibility(trim(TRAILING _latin2'a' FROM _latin2'a'))
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latin2_general_ci 3
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select collation(trim(BOTH _latin2' ' FROM _latin2'a')), coercibility(trim(BOTH _latin2'a' FROM _latin2'a'));
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collation(trim(BOTH _latin2' ' FROM _latin2'a')) coercibility(trim(BOTH _latin2'a' FROM _latin2'a'))
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latin2_general_ci 3
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create table t1
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select
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left(_latin2'a',1),
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right(_latin2'a',1),
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lcase(_latin2'a'),
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ucase(_latin2'a'),
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substring(_latin2'a',1,1),
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concat(_latin2'a',_latin2'b'),
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concat_ws(_latin2'a',_latin2'b'),
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trim(_latin2' a '),
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ltrim(_latin2' a '),
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rtrim(_latin2' a '),
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trim(LEADING _latin2' ' FROM _latin2' a '),
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trim(TRAILING _latin2' ' FROM _latin2' a '),
|
|
trim(BOTH _latin2' ' FROM _latin2' a ')
|
|
;
|
|
show create table t1;
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|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`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 '',
|
|
`concat_ws(_latin2'a',_latin2'b')` char(1) 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 ''
|
|
) TYPE=MyISAM CHARSET=latin1
|
|
drop table t1;
|