SELECT @@collation_connection; --echo # --echo # Bug#57737 Character sets: search fails with like, contraction, index --echo # CREATE TABLE t1 AS SELECT REPEAT(' ', 10) AS s1 LIMIT 0; INSERT INTO t1 VALUES ('c'),('ce'),('cé'),('ch'); SELECT * FROM t1 WHERE s1 LIKE 'c%'; ALTER TABLE t1 ADD KEY s1 (s1); SELECT * FROM t1 WHERE s1 LIKE 'c%'; ALTER TABLE t1 DROP KEY s1, ADD KEY(s1(1)); SELECT * FROM t1 WHERE s1 LIKE 'ch'; DROP TABLE t1;