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328 lines
9.9 KiB
328 lines
9.9 KiB
#
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# Test of like
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1 (a varchar(10), key(a)) charset utf8mb4;
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insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
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analyze table t1;
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explain select * from t1 where a like 'abc%';
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explain select * from t1 where a like concat('abc','%');
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select * from t1 where a like "abc%";
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select * from t1 where a like concat("abc","%");
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select * from t1 where a like "ABC%";
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select * from t1 where a like "test%";
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select * from t1 where a like "te_t";
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#
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# The following will test non-anchored matches
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#
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select * from t1 where a like "%a%";
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select * from t1 where a like "%abcd%";
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select * from t1 where a like "%abc\d%";
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drop table t1;
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create table t1 (a varchar(10), key(a));
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#
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# Bug #2231
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#
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insert into t1 values ('a'), ('a\\b');
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select * from t1 where a like 'a\\%' escape '#';
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select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';
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#
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# Bug #4200: Prepared statement parameter as argument to ESCAPE
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#
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prepare stmt1 from 'select * from t1 where a like \'a\\%\' escape ?';
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set @esc='#';
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execute stmt1 using @esc;
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deallocate prepare stmt1;
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drop table t1;
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#
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# Bug #2885: like and datetime
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#
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create table t1 (a datetime);
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insert into t1 values ('2004-03-11 12:00:21');
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select * from t1 where a like '2004-03-11 12:00:21';
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drop table t1;
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#
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# Test like with non-default character set
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#
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SET NAMES koi8r;
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CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET koi8r);
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--character_set koi8r
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INSERT INTO t1 VALUES ('ÆÙ×Á'),('æÙ×Á'),('Æù×Á'),('ÆÙ÷Á'),('ÆÙ×á'),('æù÷á');
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INSERT INTO t1 VALUES ('ÆÙ×ÁÐÒÏÌÄÖ'),('æÙ×ÁÐÒÏÌÄÖ'),('Æù×ÁÐÒÏÌÄÖ'),('ÆÙ÷ÁÐÒÏÌÄÖ');
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INSERT INTO t1 VALUES ('ÆÙ×áÐÒÏÌÄÖ'),('ÆÙ×ÁðÒÏÌÄÖ'),('ÆÙ×ÁÐòÏÌÄÖ'),('ÆÙ×ÁÐÒïÌÄÖ');
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INSERT INTO t1 VALUES ('ÆÙ×ÁÐÒÏìÄÖ'),('ÆÙ×ÁÐÒÏÌäÖ'),('ÆÙ×ÁÐÒÏÌÄö'),('æù÷áðòïìäö');
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SELECT * FROM t1 WHERE a LIKE '%Æù×Á%';
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SELECT * FROM t1 WHERE a LIKE '%Æù×%';
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SELECT * FROM t1 WHERE a LIKE 'Æù×Á%';
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DROP TABLE t1;
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--character_set utf8mb4
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# Bug #2547 Strange "like" behaviour in tables with default charset=cp1250
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# Test like with non-default character set using TurboBM
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#
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SET NAMES cp1250;
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CREATE TABLE t1 (a varchar(250) NOT NULL) DEFAULT CHARACTER SET=cp1250;
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INSERT INTO t1 VALUES
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('Techni Tapes Sp. z o.o.'),
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('Pojazdy Szynowe PESA Bydgoszcz SA Holding'),
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('AKAPESTER 1 P.P.H.U.'),
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('Pojazdy Szynowe PESA Bydgoszcz S A Holding'),
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('PPUH PESKA-I Maria Struniarska');
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select * from t1 where a like '%PESA%';
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select * from t1 where a like '%PESA %';
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select * from t1 where a like '%PES%';
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select * from t1 where a like '%PESKA%';
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select * from t1 where a like '%ESKA%';
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DROP TABLE t1;
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#
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# LIKE crashed for binary collations in some cases
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#
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select _cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin;
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#
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# Check 8bit escape character
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#
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set names koi8r;
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select 'andre%' like 'andreÊ%' escape 'Ê';
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# Check 8bit escape character with charset conversion:
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# For "a LIKE b ESCAPE c" expressions,
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# escape character is converted into the operation character set,
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# which is result of aggregation of character sets of "a" and "b".
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# "c" itself doesn't take part in aggregation, because its collation
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# doesn't matter, escape character is always compared binary.
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# In the example below, escape character is converted from koi8r into cp1251:
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#
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select _cp1251'andre%' like convert('andreÊ%' using cp1251) escape 'Ê';
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--echo End of 4.1 tests
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--echo #
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--echo # Bug #54575: crash when joining tables with unique set column
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--echo #
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CREATE TABLE t1(a SET('a') NOT NULL, UNIQUE KEY(a));
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CREATE TABLE t2(b INT PRIMARY KEY);
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INSERT IGNORE INTO t1 VALUES ();
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INSERT INTO t2 VALUES (1), (2), (3);
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SELECT 1 FROM t2 JOIN t1 ON 1 LIKE a GROUP BY a;
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DROP TABLE t1, t2;
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--echo #
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--echo # Bug#59149 valgrind warnings with "like .. escape .." function
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--echo #
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SELECT '' LIKE '1' ESCAPE COUNT(1);
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--echo End of 5.1 tests
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--echo #
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--echo # Bug #18114294 CRASH IN ITEM_FUNC_LIKE::BM_MATCHES
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--echo #
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select 0x0000000001020003F03F40408484040ADDE40 like 0x256F3B38312A7725;
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select 0x003c8793403032 like '%-112%';
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select 0x903f645a8c507dd79178 like '%-128%';
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select 0xac14aa84f000d276d66ed9 like '%-107%';
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select 0xf0be117400d02a20b8e049da3e74 like '%-123%';
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select 0x961838f6fc3c7f9ec17b5d900410d8aa like '%-113%';
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select 0x6a8473fc1c64ce4f2684c05a400c5e7ca4a01a like '%emailin%';
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select 0x00b25278956e0044683dfc180cd886aeff2f5bc3fc18 like '%-122%';
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select 0xbc24421ce6194ab5c260e80af647ae58fdbfca18a19dc8411424 like '%-106%';
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--echo #
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--echo # Bug#19931126 VALGRIND REPORTS USE OF UNINITIALIZED VALUE IN
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--echo # MY_WILDCMP_BIN_IMPL
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--echo #
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CREATE TABLE t1(x CHAR(1)) ENGINE=InnoDB;
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# The escape string is null and defaults to '\'.
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SELECT ('a%b' LIKE 'a\%b' ESCAPE (SELECT x FROM t1));
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SELECT ('a%b' LIKE 'ax%b' ESCAPE (SELECT x FROM t1));
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# The escape string is 'x'.
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INSERT INTO t1 VALUES ('x');
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SELECT ('a%b' LIKE 'a\%b' ESCAPE (SELECT x FROM t1));
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SELECT ('a%b' LIKE 'ax%b' ESCAPE (SELECT x FROM t1));
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# The escape string cannot have more than one character.
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--error ER_WRONG_ARGUMENTS
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SELECT ('a%b' LIKE 'ax%b' ESCAPE (SELECT 'xy' FROM t1));
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# The subquery cannot return more than one row.
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INSERT INTO t1 VALUES ('y');
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--error ER_SUBQUERY_NO_1_ROW
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SELECT ('a%b' LIKE 'ax%b' ESCAPE (SELECT x FROM t1));
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DELETE FROM t1 WHERE x = 'y';
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# The escape clause must have exactly one column.
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--error ER_OPERAND_COLUMNS
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SELECT ('a%b' LIKE 'ax%b' ESCAPE (SELECT x, x FROM t1));
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--error ER_OPERAND_COLUMNS
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SELECT ('a%b' LIKE 'ax%b' ESCAPE ('x', 'y'));
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# The escape clause needs to be constant during execution.
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--error ER_WRONG_ARGUMENTS
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SELECT ('a%b' LIKE 'ax%b' ESCAPE x) FROM t1;
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# Also test on an indexed column to exercise the range optimizer.
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# (The range optimizer will give up because it does not know the
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# value of the escape character, so the query execution plan will
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# not actually use range optimization.)
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CREATE TABLE t2(x int, y varchar(100)) ENGINE=InnoDB;
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CREATE INDEX idx ON t2(y);
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INSERT INTO t2 VALUES (1, 'abcd'), (2, 'ab%cde');
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ANALYZE TABLE t2;
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let $query=
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SELECT * FROM t2 WHERE y LIKE 'abc%%' ESCAPE (SELECT 'c' FROM t1) ORDER BY y;
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eval EXPLAIN $query;
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eval $query;
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DROP TABLE t1, t2;
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--echo # Bug#20035071: Out of range error in subselect lead to assertion failed
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CREATE TABLE t1(a INTEGER) engine=innodb;
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# Error is OK but not mandatory.
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SELECT 1 FROM t1 HAVING (SELECT 1 FROM t1) LIKE EXP(NOW());
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DROP TABLE t1;
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--echo #
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--echo # Bug #25140629: WRONG RESULT WHEN USING LIKE FUNCTION WITH UCA
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--echo # COLLATIONS
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--echo #
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CREATE TABLE t1(wildstr VARCHAR(10), str VARCHAR(10), like_result INTEGER)
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COLLATE utf8mb4_0900_ai_ci;
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INSERT INTO t1 VALUES('abc', 'abc', 1), ('AbC', 'aBc', 1), ('_bc', 'abc', 1),
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('a_c', 'abc', 1), ('ab_', 'abc', 1), ('%c', 'abc', 1), ('a%c', 'abc', 1),
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('a%', 'abc', 1), ('a%d_f', 'abcdef', 1), ('a%d%g', 'abcdefg', 1),
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('a_c_e', 'abcde', 1), ('a%%de', 'abcde', 1), ('a__de', 'abcde', 1),
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(_utf16 0x65700025636E005F5E93, _utf16 0x65706C49636E5B575E93, 1),
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('a\\', 'a\\', 1);
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SELECT wildstr, str, like_result FROM t1 WHERE (str LIKE wildstr) <>
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like_result;
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DROP TABLE t1;
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--echo #
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--echo # Bug #12635103: VALGRIND WARNINGS IN MY_WILDCMP_MB AND
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--echo # MY_WILDCMP_8BIT WITH LIKE AND CONVERT
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--echo #
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# This bug is visible only with valgrind.
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# Multibyte wildcmp
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SELECT 'aa' LIKE CONVERT('%a' USING big5);
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# UCA wildcmp
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SELECT 'aa' LIKE CONVERT('%a' USING utf8mb4);
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# GB18030 wildcmp
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SELECT 'aa' LIKE CONVERT('%a' USING gb18030);
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# Binary wildcmp
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SELECT 'aa' LIKE CONVERT('%a' USING binary);
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# 8bit wildcmp
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SELECT 'aa' LIKE CONVERT('%a' USING latin1);
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# Multibyte binary wildcmp
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SET NAMES gb2312;
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SELECT 'aa' LIKE '%a' COLLATE gb2312_bin;
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SET NAMES DEFAULT;
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# Unicode wildcmp
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SELECT 'aa' LIKE CONVERT('%a' USING utf8);
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--echo #
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--echo # Bug#29175461: LIKE RESULT ERROR IF ESCAPE IS % OF WILDCARD CHARACTERS
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--echo #
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# Multibyte wildcmp
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SET NAMES big5;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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# UCA wildcmp
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SET NAMES utf8mb4;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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# GB18030 wildcmp
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SET NAMES gb18030;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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# Binary wildcmp
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SET NAMES binary;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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# 8bit wildcmp
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SET NAMES latin1;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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# Multibyte binary wildcmp
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SET NAMES gb2312;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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# Unicode wildcmp
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SET NAMES utf8;
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select 1 where 'b%a' like '%%a' escape '%';
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select 1 where 'b_a' like '__a' escape '_';
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select 1 where 'b%a' like '#%a' escape '#';
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select 1 where 'b_a' like '#_a' escape '#';
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SET NAMES default;
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--echo #
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--echo # Bug#29368521: ASSERTION `!THD->IS_ERROR()' FAILED
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--echo #
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--error ER_INVALID_JSON_TEXT_IN_PARAM
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SELECT 'a' LIKE '%' ESCAPE CAST('' AS JSON);
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--echo #
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--echo # Bug#29590129 UBSAN: MEMBER CALL ON NULL POINTER OF TYPE
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--echo # 'STRUCT STRING' IN ITEM_FUNC_LIKE::VA
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--echo #
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CREATE TABLE t1 (c1 INT);
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INSERT INTO t1 VALUES (42);
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--error ER_TRUNCATED_WRONG_VALUE
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DELETE FROM t1 WHERE
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( EXISTS
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(SELECT * WHERE '520:33:32.77' < (c1 - INTERVAL(1) MONTH))
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) LIKE (c1);
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DROP TABLE t1;
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--echo #
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--echo # Bug#29904751: LIKE CONDITION FOR DATE COLUMN RETURNS ERROR
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--echo #
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CREATE TABLE t(col1 DATE);
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INSERT INTO t(col1) VALUES('2019-06-13'), ('2019-07-13');
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SELECT * FROM t WHERE col1 LIKE '2019%';
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SELECT * FROM t WHERE col1 LIKE '2019-06-1%';
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DROP TABLE t;
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