statement ok
SET search_path TO pg_temp, vectors;

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[3:6];
----
[1, 0, 1]

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[:4];
----
[0, 1, 0, 1]

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[5:];
----
[1, 0, 1]

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[1:8];
----
[1, 0, 1, 0, 1, 0, 1]

statement error type bvector does only support one subscript
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[3:3][1:1];

statement error type bvector does only support slice fetch
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[3];

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[5:4];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[9:];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[:0];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[:-1];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[NULL:NULL];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[NULL:8];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[1:NULL];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[NULL:];
----
NULL

query I
SELECT ('[0, 1, 0, 1, 0, 1, 0, 1]'::bvector)[:NULL];
----
NULL