--
-- Initial data
--

CREATE TABLE ctest (
	id int8,
	name varchar
);

INSERT INTO ctest (id, name) SELECT id, 'Test' || id FROM generate_series(1, 1000) AS id;

CREATE INDEX ctest_id_idx ON ctest(id);


--
-- Return absolute cursor records using sequential scan & index
--

BEGIN;

SET enable_seqscan = 't';

DECLARE CUR SCROLL CURSOR FOR SELECT * FROM ctest WHERE id >= 990;
FETCH ABSOLUTE -1 IN CUR;
FETCH ABSOLUTE 3 IN CUR;
CLOSE CUR;

SET enable_seqscan = 'f';

DECLARE CUR SCROLL CURSOR FOR SELECT * FROM ctest WHERE id >= 990;
FETCH ABSOLUTE -1 IN CUR;
FETCH ABSOLUTE 3 IN CUR;
CLOSE CUR;

COMMIT;


--
-- Rebuild with btree_gist
--

DROP INDEX ctest_id_idx;
CREATE INDEX ctest_id_gist_idx ON ctest USING gist(id gist_int8_ops);


--
-- Now try again... but this time no results are returned using GiST index scan?
--

BEGIN;

SET enable_seqscan = 't';

DECLARE CUR SCROLL CURSOR FOR SELECT * FROM ctest WHERE id >= 990::bigint;
FETCH ABSOLUTE -1 IN CUR;
FETCH ABSOLUTE 3 IN CUR;
CLOSE CUR;

SET enable_seqscan = 'f';

DECLARE CUR SCROLL CURSOR FOR SELECT * FROM ctest WHERE id >= 990::bigint;
FETCH ABSOLUTE -1 IN CUR;
FETCH ABSOLUTE 3 IN CUR;
CLOSE CUR;

COMMIT;