create table t (a vector(1) not null, vector(a) ignored);

show index in t;

insert into t values (0x00000000),(0x00000000);

explain select vec_totext(a) from t order by vec_distance_euclidean(a,0x00000000) limit 1;

# Cleanup

drop table t;

create table t (a vector(1) not null, vector(a) ignored);

show index in t;

Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Ignored

t	1	a	1	a	A	NULL	NULL	NULL		VECTOR			NO

insert into t values (0x00000000),(0x00000000);

explain select vec_totext(a) from t order by vec_distance_euclidean(a,0x00000000) limit 1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t	index	NULL	a	6	NULL	1	

drop table t;