MySQL 5.6.14 Source Code Document
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ctype_like_ignorable.inc
1 SELECT @@collation_connection;
2 --echo #
3 --echo # Bug#57737 Character sets: search fails with like, contraction, index
4 --echo # Part#2 - ignorable characters
5 --echo #
6 CREATE TABLE t1 AS SELECT REPEAT(' ', 10) AS s1 LIMIT 0;
7 INSERT INTO t1 VALUES ('a\0\0\0\0\0\t'),('a'),('b'),('c'),('d'),('e');
8 SELECT HEX(s1) FROM t1 WHERE s1 LIKE 'a%';
9 ALTER TABLE t1 ADD KEY s1 (s1);
10 SELECT HEX(s1) FROM t1 WHERE s1 LIKE 'a%';
11 DROP TABLE t1;