--disable_warnings
drop table if exists t1; 
drop view if exists v1;
--enable_warnings

set character_set_database = ujis;
set names ujis;

#create table using multi-byte column name
create table t1(`£Ã£±` char(1));
insert into t1 values ('a'),('b'),('c');

#mysql hangs after this query
create view v1 as select char_length(`£Ã£±`) from t1;

#it happens when using other functions like
# create view v1 as select length(`£Ã£±`) from t1;
# create view v1 as select hex(`£Ã£±`) from t1;

drop table t1;
drop view v1;