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115 lines
3.1 KiB
Text
115 lines
3.1 KiB
Text
select database();
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database()
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test
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select charset(database());
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charset(database())
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utf8mb3
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select database() = "test";
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database() = "test"
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1
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select database() = _utf8"test";
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database() = _utf8"test"
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1
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select database() = _latin1"test";
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database() = _latin1"test"
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1
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select user() like "%@%";
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user() like "%@%"
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1
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select user() like _utf8"%@%";
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user() like _utf8"%@%"
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1
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select user() like _latin1"%@%";
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user() like _latin1"%@%"
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1
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select charset(user());
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charset(user())
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utf8mb3
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select version()>="03.23.29";
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version()>="03.23.29"
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1
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select version()>=_utf8"03.23.29";
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version()>=_utf8"03.23.29"
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1
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select version()>=_latin1"03.23.29";
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version()>=_latin1"03.23.29"
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1
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select charset(version());
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charset(version())
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utf8mb3
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explain extended select database(), user();
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select database() AS `database()`,user() AS `user()`
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create table t1 (version char(60)) select database(), user(), version() as 'version';
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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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`database()` varchar(64) CHARACTER SET utf8mb3 DEFAULT NULL,
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`user()` varchar(384) CHARACTER SET utf8mb3 DEFAULT NULL,
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`version` char(60) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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select charset(charset(_utf8'a')), charset(collation(_utf8'a'));
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charset(charset(_utf8'a')) charset(collation(_utf8'a'))
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utf8mb3 utf8mb3
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select collation(charset(_utf8'a')), collation(collation(_utf8'a'));
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collation(charset(_utf8'a')) collation(collation(_utf8'a'))
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utf8mb3_general_ci utf8mb3_general_ci
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create table t1 select charset(_utf8'a'), collation(_utf8'a');
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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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`charset(_utf8'a')` varchar(64) CHARACTER SET utf8mb3 DEFAULT NULL,
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`collation(_utf8'a')` varchar(64) CHARACTER SET utf8mb3 DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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select TRUE,FALSE,NULL;
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TRUE FALSE NULL
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1 0 NULL
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create table t1 (c1 char(5)) character set=latin1;
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insert into t1 values('row 1');
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insert into t1 values('row 2');
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insert into t1 values('row 3');
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select concat(user(), '--', c1) from t1;
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concat(user(), '--', c1)
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root@localhost--row 1
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root@localhost--row 2
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root@localhost--row 3
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select concat(database(), '--', c1) from t1;
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concat(database(), '--', c1)
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test--row 1
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test--row 2
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test--row 3
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drop table t1;
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create table t1 (a char(10)) character set latin1;
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select * from t1 where a=version();
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a
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select * from t1 where a=database();
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a
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select * from t1 where a=user();
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a
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insert into t1 values ('a');
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select left(concat(a,version()),1) from t1;
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left(concat(a,version()),1)
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a
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drop table t1;
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#
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# Start of 10.2 tests
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#
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MDEV-27544 database() function under UNION ALL truncates results to 34 characters
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SET NAMES utf8;
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create database betäubungsmittelverschreibungsverordnung;
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use betäubungsmittelverschreibungsverordnung;
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select database() as "database" union all select database();
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database
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betäubungsmittelverschreibungsverordnung
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betäubungsmittelverschreibungsverordnung
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drop database betäubungsmittelverschreibungsverordnung;
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#
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# End of 10.2 tests
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#
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