contrib/btree_gin/sql/varbit.sql (11 lines of code) (raw):
set enable_seqscan=off;
CREATE TABLE test_varbit (
i varbit
);
INSERT INTO test_varbit VALUES ('001'),('010'),('011'),('100'),('101'),('110');
CREATE INDEX idx_varbit ON test_varbit USING gin (i);
SELECT * FROM test_varbit WHERE i<'100'::varbit ORDER BY i;
SELECT * FROM test_varbit WHERE i<='100'::varbit ORDER BY i;
SELECT * FROM test_varbit WHERE i='100'::varbit ORDER BY i;
SELECT * FROM test_varbit WHERE i>='100'::varbit ORDER BY i;
SELECT * FROM test_varbit WHERE i>'100'::varbit ORDER BY i;