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214 lines
5.7 KiB
Text
214 lines
5.7 KiB
Text
drop table if exists t1;
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set names latin1;
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#
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# Bug#31081 server crash in regexp function
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#
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drop table if exists t1;
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create table t1 as
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select repeat(' ', 64) as s1, repeat(' ',64) as s2
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union
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select null, null;
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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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`s1` varchar(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL,
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`s2` varchar(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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delete from t1;
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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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0
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0
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0
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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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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 filtered Extra
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1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00
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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 dual where 1
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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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SELECT '' REGEXP BINARY NULL;
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'' REGEXP BINARY NULL
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NULL
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SELECT NULL REGEXP BINARY NULL;
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NULL REGEXP BINARY NULL
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NULL
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SELECT 'A' REGEXP BINARY NULL;
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'A' REGEXP BINARY NULL
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NULL
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SELECT "ABC" REGEXP BINARY NULL;
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"ABC" REGEXP BINARY NULL
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NULL
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# End of 5.0 tests
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CREATE TABLE t1(a INT, b CHAR(4));
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INSERT INTO t1 VALUES (1, '6.1'), (1, '7.0'), (1, '8.0');
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PREPARE stmt1 FROM "SELECT a FROM t1 WHERE a=1 AND '7.0' REGEXP b LIMIT 1";
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EXECUTE stmt1;
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a
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1
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EXECUTE stmt1;
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a
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1
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EXECUTE stmt1;
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a
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1
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EXECUTE stmt1;
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a
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1
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DEALLOCATE PREPARE stmt1;
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DROP TABLE t1;
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# End of 5.1 tests
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SELECT ' ' REGEXP '[[:blank:]]';
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' ' REGEXP '[[:blank:]]'
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1
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SELECT '\t' REGEXP '[[:blank:]]';
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'\t' REGEXP '[[:blank:]]'
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1
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SELECT ' ' REGEXP '[[:space:]]';
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' ' REGEXP '[[:space:]]'
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1
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SELECT '\t' REGEXP '[[:space:]]';
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'\t' REGEXP '[[:space:]]'
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1
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#
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# MDEV-13967 Parameter data type control for Item_long_func
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#
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SELECT REGEXP_INSTR('111222333',2);
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REGEXP_INSTR('111222333',2)
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4
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# End of 10.3 tests
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#
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# MDEV-33344 REGEXP empty string inconsistent
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#
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create table t1 (x char(5));
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insert t1 values (''), ('x');
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select 'foo' regexp x from t1 order by x asc;
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'foo' regexp x
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1
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0
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select 'foo' regexp x from t1 order by x desc;
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'foo' regexp x
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0
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1
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drop table t1;
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#
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# MDEV-21076 NOT NULL and UNIQUE constraints cause SUM() to yield an incorrect result
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#
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CREATE TABLE t0(c0 INT NOT NULL, c1 CHAR UNIQUE);
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INSERT INTO t0 VALUES (0, 1);
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INSERT INTO t0 VALUES (0, '');
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SELECT (c1 RLIKE c1), (c0 IS NULL) FROM t0;
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(c1 RLIKE c1) (c0 IS NULL)
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1 0
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1 0
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SELECT SUM(a.t) FROM (SELECT (c1 RLIKE c1) = (c0 IS NULL) as t FROM t0) as a;
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SUM(a.t)
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0
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DROP TABLE t0;
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#
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# MDEV-21058 CREATE TABLE with generated column and RLIKE results in sigabrt
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#
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CREATE TABLE t1 (c0 INT);
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INSERT INTO t1 VALUES (1),(2),(3);
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SELECT ('' RLIKE '[') AS c1 FROM t1;
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ERROR 42000: Regex error 'missing terminating ] for character class at offset 1'
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SELECT REGEXP_INSTR('','[') AS c1 FROM t1;
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ERROR 42000: Regex error 'missing terminating ] for character class at offset 1'
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SELECT c0, '' RLIKE NULL AS c1, REGEXP_INSTR('', NULL) AS c2
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FROM t1 ORDER BY c0;
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c0 c1 c2
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1 NULL NULL
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2 NULL NULL
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3 NULL NULL
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DROP TABLE t1;
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# End of 10.5 tests
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