mirror of
https://github.com/MariaDB/server.git
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426 lines
12 KiB
Text
426 lines
12 KiB
Text
drop table if exists t1;
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create table t1 (a varchar(10), key(a));
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insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
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explain extended select * from t1 where a like 'abc%';
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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 range a a 13 NULL 2 100.00 Using where; Using index
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` like 'abc%'
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explain extended select * from t1 where a like concat('abc','%');
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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 range a a 13 NULL 2 100.00 Using where; Using index
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` like <cache>(concat('abc','%'))
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select * from t1 where a like "abc%";
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a
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abc
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abcd
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select * from t1 where a like concat("abc","%");
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a
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abc
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abcd
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select * from t1 where a like "ABC%";
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a
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abc
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abcd
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select * from t1 where a like "test%";
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a
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test
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select * from t1 where a like "te_t";
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a
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test
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select * from t1 where a like "%a%";
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a
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a
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abc
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abcd
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select * from t1 where a like "%abcd%";
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a
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abcd
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select * from t1 where a like "%abc\d%";
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a
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abcd
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drop table t1;
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create table t1 (a varchar(10), key(a));
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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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a
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a\b
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select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';
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a
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a\b
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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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a
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a\b
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deallocate prepare stmt1;
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drop table t1;
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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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a
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2004-03-11 12:00:21
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drop table t1;
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SET NAMES koi8r;
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CREATE TABLE t1 (a VARCHAR(10) 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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a
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ÆÙ×Á
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æÙ×Á
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Æù×Á
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ÆÙ÷Á
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ÆÙ×á
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æù÷á
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ÆÙ×ÁÐÒÏÌÄÖ
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æÙ×ÁÐÒÏÌÄÖ
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Æù×ÁÐÒÏÌÄÖ
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ÆÙ÷ÁÐÒÏÌÄÖ
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ÆÙ×áÐÒÏÌÄÖ
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ÆÙ×ÁðÒÏÌÄÖ
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ÆÙ×ÁÐòÏÌÄÖ
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ÆÙ×ÁÐÒïÌÄÖ
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ÆÙ×ÁÐÒÏìÄÖ
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ÆÙ×ÁÐÒÏÌäÖ
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ÆÙ×ÁÐÒÏÌÄö
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æù÷áðòïìäö
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SELECT * FROM t1 WHERE a LIKE '%Æù×%';
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a
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ÆÙ×Á
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æÙ×Á
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Æù×Á
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ÆÙ÷Á
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ÆÙ×á
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æù÷á
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ÆÙ×ÁÐÒÏÌÄÖ
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æÙ×ÁÐÒÏÌÄÖ
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Æù×ÁÐÒÏÌÄÖ
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ÆÙ÷ÁÐÒÏÌÄÖ
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ÆÙ×áÐÒÏÌÄÖ
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ÆÙ×ÁðÒÏÌÄÖ
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ÆÙ×ÁÐòÏÌÄÖ
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ÆÙ×ÁÐÒïÌÄÖ
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ÆÙ×ÁÐÒÏìÄÖ
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ÆÙ×ÁÐÒÏÌäÖ
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ÆÙ×ÁÐÒÏÌÄö
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æù÷áðòïìäö
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SELECT * FROM t1 WHERE a LIKE 'Æù×Á%';
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a
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ÆÙ×Á
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æÙ×Á
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Æù×Á
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ÆÙ÷Á
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ÆÙ×á
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æù÷á
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ÆÙ×ÁÐÒÏÌÄÖ
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æÙ×ÁÐÒÏÌÄÖ
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Æù×ÁÐÒÏÌÄÖ
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ÆÙ÷ÁÐÒÏÌÄÖ
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ÆÙ×áÐÒÏÌÄÖ
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ÆÙ×ÁðÒÏÌÄÖ
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ÆÙ×ÁÐòÏÌÄÖ
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ÆÙ×ÁÐÒïÌÄÖ
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ÆÙ×ÁÐÒÏìÄÖ
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ÆÙ×ÁÐÒÏÌäÖ
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ÆÙ×ÁÐÒÏÌÄö
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æù÷áðòïìäö
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DROP TABLE t1;
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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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a
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Pojazdy Szynowe PESA Bydgoszcz SA Holding
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Pojazdy Szynowe PESA Bydgoszcz S A Holding
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select * from t1 where a like '%PESA %';
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a
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Pojazdy Szynowe PESA Bydgoszcz SA Holding
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Pojazdy Szynowe PESA Bydgoszcz S A Holding
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select * from t1 where a like '%PES%';
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a
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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 '%PESKA%';
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a
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PPUH PESKA-I Maria Struniarska
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select * from t1 where a like '%ESKA%';
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a
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PPUH PESKA-I Maria Struniarska
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DROP TABLE t1;
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select _cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin;
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_cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin
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1
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set names koi8r;
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select 'andre%' like 'andreÊ%' escape 'Ê';
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'andre%' like 'andreÊ%' escape 'Ê'
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1
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select _cp1251'andre%' like convert('andreÊ%' using cp1251) escape 'Ê';
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_cp1251'andre%' like convert('andreÊ%' using cp1251) escape 'Ê'
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1
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End of 4.1 tests
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#
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# Bug #54575: crash when joining tables with unique set column
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#
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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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Warnings:
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Warning 1364 Field 'a' doesn't have a default value
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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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1
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DROP TABLE t1, t2;
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#
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# Bug#59149 valgrind warnings with "like .. escape .." function
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#
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SELECT '' LIKE '1' ESCAPE COUNT(1);
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ERROR HY000: Incorrect arguments to ESCAPE
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End of 5.1 tests
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#
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# Start of 10.0 tests
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#
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#
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# MDEV-5445 Server crashes in Item_func_like::fix_fields on LIKE ExtractValue(..)
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#
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SELECT 'a' LIKE REPEAT('',0);
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'a' LIKE REPEAT('',0)
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0
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SELECT 'a' LIKE EXTRACTVALUE('bar','qux');
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'a' LIKE EXTRACTVALUE('bar','qux')
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0
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#
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# End of 10.0 tests
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#
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#
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# Start of 10.1 tests
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#
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#
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# MDEV-8257 Erroneous "Impossible where" when mixing decimal comparison and LIKE
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#
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CREATE TABLE t1 (a DECIMAL(8,2));
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INSERT INTO t1 VALUES (10),(20);
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SELECT * FROM t1 WHERE a=10.0;
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a
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10.00
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SELECT * FROM t1 WHERE a LIKE 10.00;
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a
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10.00
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SELECT * FROM t1 WHERE a=10.0 AND a LIKE 10.00;
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a
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10.00
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EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10.0 AND a LIKE 10.00;
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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 ALL NULL NULL NULL NULL 2 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 10.0 and `test`.`t1`.`a` like 10.00
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DROP TABLE t1;
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#
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# MDEV-8599 "WHERE varchar_field LIKE temporal_const" does not use range optimizer
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#
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CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1, KEY(a)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('00:00:00');
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INSERT INTO t1 VALUES ('00:00:01');
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INSERT INTO t1 VALUES ('00:00:02');
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INSERT INTO t1 VALUES ('00:00:03');
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INSERT INTO t1 VALUES ('00:00:04');
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INSERT INTO t1 VALUES ('00:00:05');
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INSERT INTO t1 VALUES ('00:00:06');
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INSERT INTO t1 VALUES ('00:00:07');
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EXPLAIN SELECT * FROM t1 WHERE a LIKE '00:00:00';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 13 NULL 1 Using where; Using index
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EXPLAIN SELECT * FROM t1 WHERE a LIKE TIME'00:00:00';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 13 NULL 1 Using where; Using index
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SELECT * FROM t1 WHERE a LIKE '00:00:00';
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a
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00:00:00
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SELECT * FROM t1 WHERE a LIKE TIME'00:00:00';
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a
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00:00:00
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DROP TABLE t1;
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#
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# End of 10.1 tests
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#
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create view v1 as select 'foo!' like 'foo!!', 'foo!' like 'foo!!' escape '!';
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 'foo!' like 'foo!!' AS `'foo!' like 'foo!!'`,'foo!' like 'foo!!' escape '!' AS `'foo!' like 'foo!!' escape '!'` koi8r koi8r_general_ci
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select * from v1;
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'foo!' like 'foo!!' 'foo!' like 'foo!!' escape '!'
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0 1
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drop view v1;
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create table t1 (a varchar(100),
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b int default (a like '%f\\_'),
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c int default (a like '%f\\_' escape ''),
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d int default (a like '%f\\_' escape '\\'));
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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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`a` varchar(100) DEFAULT NULL,
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`b` int(11) DEFAULT (`a` like '%f\\_'),
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`c` int(11) DEFAULT (`a` like '%f\\_' escape ''),
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`d` int(11) DEFAULT (`a` like '%f\\_' escape '\\')
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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insert t1 (a) values ('1 f_'), ('1 f\\_');
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set sql_mode=no_backslash_escapes;
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insert t1 (a) values ('2 f_'), ('2 f\_');
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flush tables;
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insert t1 (a) values ('3 f_'), ('3 f\_');
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set sql_mode=default;
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select * from t1;
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a b c d
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1 f_ 1 0 1
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1 f\_ 0 1 0
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2 f_ 1 0 1
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2 f\_ 0 1 0
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3 f_ 1 0 1
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3 f\_ 0 1 0
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drop table t1;
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create table t1 (f int);
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insert t1 values (1),(2);
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select 1 from (select distinct * from t1) as x where f < (select 1 like 2 escape (3=1));
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1
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drop table t1;
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create table t1(f1 int);
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insert into t1 values(1);
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update (select 1 like 2 escape (1 in (select 1 from t1))) x, t1 as d set d.f1 = 1;
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ERROR HY000: Incorrect arguments to ESCAPE
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select * from (select 1 like 2 escape (1 in (select 1 from t1))) x;
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1 like 2 escape (1 in (select 1 from t1))
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0
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drop table t1;
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create table t1 (f int);
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insert t1 values (1),(2);
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create view v1 as select * from t1 where (1 like 2 escape (3 in (('h', 'b') in (select 'k', 'k' union select 'g', 'j'))) and f >= 0);
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drop view v1;
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drop table t1;
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#
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# MDEV-17359 - Extend expression supported by like (| & << >> || + - * / DIV MOD ^ )
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#
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SELECT 1 LIKE +1;
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1 LIKE +1
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1
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SELECT -1 LIKE -1;
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-1 LIKE -1
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1
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SELECT 1 LIKE (1);
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1 LIKE (1)
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1
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SELECT 1 LIKE 1|2, 3 LIKE 1|2;
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1 LIKE 1|2 3 LIKE 1|2
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0 1
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SELECT 1 LIKE 3&2, 2 LIKE 3&2;
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1 LIKE 3&2 2 LIKE 3&2
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0 1
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SELECT 1 LIKE 1>>0, 1 LIKE 1>>1 , 64 LIKE 256>>2;
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1 LIKE 1>>0 1 LIKE 1>>1 64 LIKE 256>>2
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1 0 1
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SELECT 1 LIKE 1<<0, 1 LIKE 0<<2, 32 LIKE 1<<5;
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1 LIKE 1<<0 1 LIKE 0<<2 32 LIKE 1<<5
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1 0 1
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SELECT 1 LIKE 1||2, 1 LIKE 0||2;
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1 LIKE 1||2 1 LIKE 0||2
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1 1
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SELECT 2 LIKE 1+1, 2.0 LIKE 1+1.0, 2 LIKE 1+1.0, 1+1 LIKE 2, 1+1 LIKE 0+2;
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2 LIKE 1+1 2.0 LIKE 1+1.0 2 LIKE 1+1.0 1+1 LIKE 2 1+1 LIKE 0+2
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1 1 0 1 1
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SELECT 0 LIKE 1-1, 2.0 LIKE 3-1.0, 2 LIKE 3-1.0, 2-1 LIKE 1, 3-1 LIKE 4-1;
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0 LIKE 1-1 2.0 LIKE 3-1.0 2 LIKE 3-1.0 2-1 LIKE 1 3-1 LIKE 4-1
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1 1 0 1 0
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SELECT 1 LIKE 1*1, 2.0 LIKE 2*1.0, 2 LIKE 2*1.0, 2*1 LIKE 2, 2*3 LIKE 6*1;
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1 LIKE 1*1 2.0 LIKE 2*1.0 2 LIKE 2*1.0 2*1 LIKE 2 2*3 LIKE 6*1
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1 1 0 1 1
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SELECT 1 LIKE 1/1, 1.0000 LIKE 1/1, 1.0000 LIKE 1/1.000000, 1.000000 LIKE 1.0/1.000000, 1/1 like 1/1;
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1 LIKE 1/1 1.0000 LIKE 1/1 1.0000 LIKE 1/1.000000 1.000000 LIKE 1.0/1.000000 1/1 like 1/1
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0 1 1 0 1
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SELECT 1 LIKE 1 DIV 1, 1 LIKE 1.0 DIV 1.0 ;
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1 LIKE 1 DIV 1 1 LIKE 1.0 DIV 1.0
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1 1
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SELECT 2 LIKE 10 MOD 8, 1.9 LIKE 10 MOD 8.1, 1.9 LIKE 10 MOD 8.10 ;
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2 LIKE 10 MOD 8 1.9 LIKE 10 MOD 8.1 1.9 LIKE 10 MOD 8.10
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1 1 0
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SELECT 1 LIKE CAST(1 AS CHAR(10));
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1 LIKE CAST(1 AS CHAR(10))
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1
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SELECT 1 LIKE CASE WHEN 1=1 THEN '1' ELSE '0' END;
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1 LIKE CASE WHEN 1=1 THEN '1' ELSE '0' END
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1
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SELECT 1 LIKE COALESCE(1+0, 1);
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1 LIKE COALESCE(1+0, 1)
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1
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CREATE TABLE t1(c1 INTEGER, c2 INTEGER);
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INSERT INTO t1 VALUES(1,1);
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INSERT INTO t1 VALUES(1,2);
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SELECT c1, c2, c1|c2, 1 LIKE c1|c2 FROM t1 ORDER BY c2;
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c1 c2 c1|c2 1 LIKE c1|c2
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1 1 1 1
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1 2 3 0
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SELECT c1, c2, c1&c2, 1 LIKE c1&c2 FROM t1 ORDER BY c2;
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c1 c2 c1&c2 1 LIKE c1&c2
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1 1 1 1
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1 2 0 0
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SELECT c1, c2, c2>>c1, 1 LIKE c2>>c1 FROM t1 ORDER BY c2;
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c1 c2 c2>>c1 1 LIKE c2>>c1
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1 1 0 0
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1 2 1 1
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SELECT c1, c2, c2<<c1, 2 LIKE c2<<c1 FROM t1 ORDER BY c2;
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c1 c2 c2<<c1 2 LIKE c2<<c1
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1 1 2 1
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1 2 4 0
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SELECT c1, c2, c1||c2, 1 LIKE c1||c2 FROM t1 ORDER BY c2;
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c1 c2 c1||c2 1 LIKE c1||c2
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1 1 1 1
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1 2 1 1
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SELECT c1, c2, c1+c2, 2 LIKE c1+c2 FROM t1 ORDER BY c2;
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c1 c2 c1+c2 2 LIKE c1+c2
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1 1 2 1
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1 2 3 0
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SELECT c1, c2, c1-c2, -1 LIKE c1-c2 FROM t1 ORDER BY c2;
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c1 c2 c1-c2 -1 LIKE c1-c2
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1 1 0 0
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1 2 -1 1
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SELECT c1, c2, c1*c2, 2 LIKE c1*c2 FROM t1 ORDER BY c2;
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c1 c2 c1*c2 2 LIKE c1*c2
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1 1 1 0
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1 2 2 1
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SELECT c1, c2, c1/c2, 0.5000 LIKE c1/c2 FROM t1 ORDER BY c2;
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c1 c2 c1/c2 0.5000 LIKE c1/c2
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1 1 1.0000 0
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1 2 0.5000 1
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SELECT c1, c2, c1 DIV c2, 0 LIKE c1 DIV c2 FROM t1 ORDER BY c2;
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c1 c2 c1 DIV c2 0 LIKE c1 DIV c2
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1 1 1 0
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1 2 0 1
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SELECT c1, c2, c1 MOD c2, 0 LIKE c1 MOD c2 FROM t1 ORDER BY c2;
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c1 c2 c1 MOD c2 0 LIKE c1 MOD c2
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1 1 0 1
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1 2 1 0
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CREATE VIEW v1 AS
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SELECT 1 LIKE c1|c2, 1 LIKE c1&c2, 1 LIKE c2>>c1, 2 LIKE c2<<c1,
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1 LIKE c1||c2, 2 LIKE c1+c2, -1 LIKE c1-c2, 2 LIKE c1*c2,
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0.5000 LIKE c1/c2, 0 LIKE c1 DIV c2, 0 LIKE c1 MOD c2
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FROM t1 ORDER BY c2;
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SELECT * FROM v1;
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1 LIKE c1|c2 1 LIKE c1&c2 1 LIKE c2>>c1 2 LIKE c2<<c1 1 LIKE c1||c2 2 LIKE c1+c2 -1 LIKE c1-c2 2 LIKE c1*c2 0.5000 LIKE c1/c2 0 LIKE c1 DIV c2 0 LIKE c1 MOD c2
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1 1 0 1 1 1 0 0 0 0 1
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0 0 1 0 1 0 1 1 1 1 0
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EXPLAIN EXTENDED SELECT * FROM v1;
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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 ALL NULL NULL NULL NULL 2 100.00 Using filesort
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Warnings:
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Note 1003 select 1 like `test`.`t1`.`c1` | `test`.`t1`.`c2` AS `1 LIKE c1|c2`,1 like `test`.`t1`.`c1` & `test`.`t1`.`c2` AS `1 LIKE c1&c2`,1 like `test`.`t1`.`c2` >> `test`.`t1`.`c1` AS `1 LIKE c2>>c1`,2 like `test`.`t1`.`c2` << `test`.`t1`.`c1` AS `2 LIKE c2<<c1`,1 like `test`.`t1`.`c1` or `test`.`t1`.`c2` <> 0 AS `1 LIKE c1||c2`,2 like `test`.`t1`.`c1` + `test`.`t1`.`c2` AS `2 LIKE c1+c2`,-1 like `test`.`t1`.`c1` - `test`.`t1`.`c2` AS `-1 LIKE c1-c2`,2 like `test`.`t1`.`c1` * `test`.`t1`.`c2` AS `2 LIKE c1*c2`,0.5000 like `test`.`t1`.`c1` / `test`.`t1`.`c2` AS `0.5000 LIKE c1/c2`,0 like `test`.`t1`.`c1` DIV `test`.`t1`.`c2` AS `0 LIKE c1 DIV c2`,0 like `test`.`t1`.`c1` MOD `test`.`t1`.`c2` AS `0 LIKE c1 MOD c2` from `test`.`t1` order by `test`.`t1`.`c2`
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DROP VIEW v1;
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DROP TABLE t1;
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