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https://github.com/MariaDB/server.git
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62 lines
2.3 KiB
Text
62 lines
2.3 KiB
Text
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
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hellomonty
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length('\n\t\r\b\0\_\%\\')
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10
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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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locate('he','hello') locate('he','hello',2) locate('lo','hello',2)
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1 0 4
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instr('hello','he')
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1
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position('ll' in 'hello') position('a' in 'hello')
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3 0
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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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concat('',left(right(concat('what ',concat('is ','happening')),9),4),'',substring('monty',5,1))
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happy
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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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substring_index('www.tcx.se','tcx',1) substring_index('www.tcx.se','tcx',-1)
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www. .se
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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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concat(':',ltrim(' left '),':',rtrim(' right '),':')
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:left : right:
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concat(':',trim(LEADING FROM ' left'),':',trim(TRAILING FROM ' right '),':')
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:left: right:
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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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concat(':',trim(BOTH 'ab' FROM 'ababmyabab'),':',trim(BOTH '*' FROM '***sql'),':')
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:my:sql:
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concat(':',trim(LEADING '.*' FROM '.*my'),':',trim(TRAILING '.*' FROM 'sql.*.*'),':')
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:my:sql:
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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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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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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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soundex('') soundex('he') soundex('hello all folks')
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H000 H4142
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password('test') length(encrypt('test')) encrypt('test','aa')
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378b243e220ca493 13 aaqPiZY5xR5l.
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md5('hello')
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5d41402abc4b2a76b9719d911017c592
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repeat('monty',5) concat('*',space(5),'*')
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montymontymontymontymonty * *
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reverse('abc') reverse('abcd')
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cba dcba
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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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lpad('a',4,'1') lpad('a',4,'12') lpad('abcd',3,'12')
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111a 121a abc
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rpad(741653838,17,'0') lpad(741653838,17,'0')
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74165383800000000 00000000741653838
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rpad('abcd',7,'ab') lpad('abcd',7,'ab')
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abcdaba abaabcd
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rpad('abcd',1,'ab') lpad('abcd',1,'ab')
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a a
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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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