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99f1606e94
The special case with NULL as a regular expression was handled at prepare time. But in this special case the item was not marked as fixed. This caused an assertion at execution time. Fixed my marking the item as fixed even when known to return NULL at prepare time.
106 lines
3.3 KiB
Plaintext
106 lines
3.3 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 'this is a test of some long text to see what happens' AS `xxx` from `test`.`t1` where ('this is a test of some long text to see what happens' 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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End of 4.1 tests
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SELECT 1 REGEXP NULL;
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1 REGEXP NULL
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NULL
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End of 5.0 tests
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