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by brian
clean slate |
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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)); |
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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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explain extended 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 the Turbo Boyer-Moore code
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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 #2885: like and datetime
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#
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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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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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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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# 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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#
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# End of 4.1 tests
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