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101 lines
3.1 KiB
Plaintext
101 lines
3.1 KiB
Plaintext
drop table if exists t1;
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create table t1 (s1 char(64),s2 char(64));
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insert into t1 values('aaa','aaa');
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insert into t1 values('aaa|qqq','qqq');
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insert into t1 values('gheis','^[^a-dXYZ]+$');
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insert into t1 values('aab','^aa?b');
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insert into t1 values('Baaan','^Ba*n');
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insert into t1 values('aaa','qqq|aaa');
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insert into t1 values('qqq','qqq|aaa');
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insert into t1 values('bbb','qqq|aaa');
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insert into t1 values('bbb','qqq');
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insert into t1 values('aaa','aba');
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insert into t1 values(null,'abc');
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insert into t1 values('def',null);
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insert into t1 values(null,null);
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insert into t1 values('ghi','ghi[');
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select HIGH_PRIORITY s1 regexp s2 from t1;
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s1 regexp s2
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1
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1
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1
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1
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1
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1
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1
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0
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0
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0
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NULL
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NULL
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NULL
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NULL
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drop table t1;
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create table t1 (xxx char(128));
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insert into t1 (xxx) values('this is a test of some long text to see what happens');
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select * from t1 where xxx regexp('is a test of some long text to');
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xxx
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this is a test of some long text to see what happens
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explain extended select * from t1 where xxx regexp('is a test of some long text to');
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 system NULL NULL NULL NULL 1
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Warnings:
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Note 1003 select test.t1.xxx AS `xxx` from test.t1 where (test.t1.xxx regexp _latin1'is a test of some long text to')
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select * from t1 where xxx regexp('is a test of some long text to ');
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xxx
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this is a test of some long text to see what happens
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select * from t1 where xxx regexp('is a test of some long text to s');
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xxx
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this is a test of some long text to see what happens
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select * from t1 where xxx regexp('is a test of some long text to se');
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xxx
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this is a test of some long text to see what happens
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drop table t1;
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create table t1 (xxx char(128));
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insert into t1 (xxx) values('this is some text: to test - out.reg exp (22/45)');
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select * from t1 where xxx REGEXP '^this is some text: to test - out\\.reg exp [[(][0-9]+[/\\][0-9]+[])][ ]*$';
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xxx
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this is some text: to test - out.reg exp (22/45)
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drop table t1;
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select _latin1 0xFF regexp _latin1 '[[:lower:]]' COLLATE latin1_bin;
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_latin1 0xFF regexp _latin1 '[[:lower:]]' COLLATE latin1_bin
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1
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select _koi8r 0xFF regexp _koi8r '[[:lower:]]' COLLATE koi8r_bin;
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_koi8r 0xFF regexp _koi8r '[[:lower:]]' COLLATE koi8r_bin
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0
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select _latin1 0xFF regexp _latin1 '[[:upper:]]' COLLATE latin1_bin;
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_latin1 0xFF regexp _latin1 '[[:upper:]]' COLLATE latin1_bin
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0
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select _koi8r 0xFF regexp _koi8r '[[:upper:]]' COLLATE koi8r_bin;
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_koi8r 0xFF regexp _koi8r '[[:upper:]]' COLLATE koi8r_bin
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1
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select _latin1 0xF7 regexp _latin1 '[[:alpha:]]';
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_latin1 0xF7 regexp _latin1 '[[:alpha:]]'
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0
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select _koi8r 0xF7 regexp _koi8r '[[:alpha:]]';
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_koi8r 0xF7 regexp _koi8r '[[:alpha:]]'
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1
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select _latin1'a' regexp _latin1'A' collate latin1_general_ci;
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_latin1'a' regexp _latin1'A' collate latin1_general_ci
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1
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select _latin1'a' regexp _latin1'A' collate latin1_bin;
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_latin1'a' regexp _latin1'A' collate latin1_bin
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0
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create table t1 (a varchar(40));
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insert into t1 values ('C1'),('C2'),('R1'),('C3'),('R2'),('R3');
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prepare stmt1 from 'select a from t1 where a rlike ? order by a';
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set @a="^C.*";
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execute stmt1 using @a;
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a
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C1
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C2
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C3
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set @a="^R.*";
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execute stmt1 using @a;
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a
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R1
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R2
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R3
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deallocate prepare stmt1;
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drop table t1;
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