--echo #
--echo # Start of 5.5 tests
--echo #

--echo #
--echo # MDEV-9862 Illegal mix of collation, when comparing column with CASE expression
--echo #
SET NAMES cp850;
CREATE TABLE t1 (a CHAR(1) CHARACTER SET latin1);
SELECT a FROM t1 WHERE CASE a WHEN 'aaaa' THEN 'Y' WHEN 'aaaa' THEN 'Y' ELSE NULL END <> a;
DROP TABLE t1;


--echo #
--echo # End of 5.5 tests
--echo #

--echo #
--echo # Start of 10.2 tests
--echo #

--echo #
--echo # MDEV-25610 Assertion `escape != -1' failed in Item_func_like::val_int
--echo #

SET NAMES cp850;
SELECT '' LIKE '' ESCAPE _cp850 0xFF;

DELIMITER $$;
BEGIN NOT ATOMIC
  DECLARE ch INT DEFAULT 0x00;
  DECLARE query TEXT DEFAULT 'SELECT _cp850'''' LIKE _cp850'''' ESCAPE _cp850 0xFF';
  WHILE ch <= 0xFF DO
    SET @query= REPLACE(query, 'FF', CONV(ch, 10, 16));
    SELECT @query;
    PREPARE stmt FROM @query;
    EXECUTE stmt;
    DEALLOCATE PREPARE stmt;
    SET ch=ch+1;
  END WHILE;
END;
$$
DELIMITER ;$$


--echo #
--echo # End of 10.2 tests
--echo #