mirror of
https://github.com/MariaDB/server.git
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107 lines
1.9 KiB
Plaintext
107 lines
1.9 KiB
Plaintext
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 select * from t1 where a like 'abc%';
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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 11 NULL 1 Using where; Using index
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explain select * from t1 where a like concat('abc','%');
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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 11 NULL 1 Using where; Using index
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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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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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