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e6ba48b942
- Set max_length of Item_func_uuid to max_length*system_charset_info->mbmaxlen Note! Item_func_uuid should be set to use 'ascii' charset when hex(), format(), md5() etc will use 'ascii'
62 lines
2.3 KiB
Plaintext
62 lines
2.3 KiB
Plaintext
select format(1.5555,0),format(123.5555,1),format(1234.5555,2),format(12345.55555,3),format(123456.5555,4),format(1234567.5555,5),format("12345.2399",2);
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format(1.5555,0) format(123.5555,1) format(1234.5555,2) format(12345.55555,3) format(123456.5555,4) format(1234567.5555,5) format("12345.2399",2)
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2 123.6 1,234.56 12,345.556 123,456.5555 1,234,567.55550 12,345.24
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select inet_ntoa(inet_aton("255.255.255.255.255.255.255.255"));
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inet_ntoa(inet_aton("255.255.255.255.255.255.255.255"))
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NULL
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select inet_aton("255.255.255.255.255"),inet_aton("255.255.1.255"),inet_aton("0.1.255");
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inet_aton("255.255.255.255.255") inet_aton("255.255.1.255") inet_aton("0.1.255")
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1099511627775 4294902271 65791
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select inet_ntoa(1099511627775),inet_ntoa(4294902271),inet_ntoa(511);
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inet_ntoa(1099511627775) inet_ntoa(4294902271) inet_ntoa(511)
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NULL 255.255.1.255 0.0.1.255
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select hex(inet_aton('127'));
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hex(inet_aton('127'))
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7F
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select hex(inet_aton('127.1'));
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hex(inet_aton('127.1'))
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7F000001
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select hex(inet_aton('127.1.1'));
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hex(inet_aton('127.1.1'))
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7F010001
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select length(uuid()), charset(uuid()), length(unhex(replace(uuid(),_utf8'-',_utf8'')));
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length(uuid()) charset(uuid()) length(unhex(replace(uuid(),_utf8'-',_utf8'')))
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36 utf8 16
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select length(format('nan', 2)) > 0;
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length(format('nan', 2)) > 0
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1
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Warnings:
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Warning 1292 Truncated incorrect DOUBLE value: 'nan'
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select concat("$",format(2500,2));
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concat("$",format(2500,2))
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$2,500.00
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create table t1 ( a timestamp );
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insert into t1 values ( '2004-01-06 12:34' );
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select a from t1 where left(a+0,6) in ( left(20040106,6) );
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a
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2004-01-06 12:34:00
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select a from t1 where left(a+0,6) = ( left(20040106,6) );
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a
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2004-01-06 12:34:00
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select a from t1 where right(a+0,6) in ( right(20040106123400,6) );
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a
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2004-01-06 12:34:00
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select a from t1 where right(a+0,6) = ( right(20040106123400,6) );
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a
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2004-01-06 12:34:00
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select a from t1 where mid(a+0,6,3) in ( mid(20040106123400,6,3) );
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a
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2004-01-06 12:34:00
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select a from t1 where mid(a+0,6,3) = ( mid(20040106123400,6,3) );
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a
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2004-01-06 12:34:00
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drop table t1;
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create table t1 as select uuid(), length(uuid());
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`uuid()` varchar(36) character set utf8 NOT NULL default '',
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`length(uuid())` int(10) NOT NULL default '0'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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