1--echo # 2--echo # MDEV-7149 Constant condition propagation erroneously applied for LIKE 3--echo # 4 5CREATE TABLE t1 AS SELECT REPEAT('a',10) AS c1 LIMIT 0; 6SHOW CREATE TABLE t1; 7INSERT INTO t1 VALUES ('ae'),('ä'); 8SELECT * FROM t1 WHERE c1='ä'; 9SELECT * FROM t1 WHERE c1 LIKE 'ae'; 10SELECT * FROM t1 WHERE c1='ä' AND c1 LIKE 'ae'; 11EXPLAIN EXTENDED SELECT * FROM t1 WHERE c1='ä' AND c1 LIKE 'ae'; 12SELECT * FROM t1 WHERE CONCAT(c1)='ä'; 13SELECT * FROM t1 WHERE CONCAT(c1) LIKE 'ae'; 14SELECT * FROM t1 WHERE CONCAT(c1)='ä' AND CONCAT(c1) LIKE 'ae'; 15EXPLAIN EXTENDED SELECT * FROM t1 WHERE CONCAT(c1)='ä' AND CONCAT(c1) LIKE 'ae'; 16DROP TABLE IF EXISTS t1; 17