\set geometry POINT('64.7498111652365,89.5695822308866')
\set resolution 8
\set hexagon '\'880326b88dfffff\''
\set pentagon '\'844c001ffffffff\''
\set pentagon_edgecross '\'831c00fffffffff\''
-- Type conversions
SELECT h3_string_to_h3(h3_h3_to_string(:hexagon));
 h3_string_to_h3 
-----------------
 880326b88dfffff
(1 row)

SELECT h3_h3_to_string(h3_string_to_h3(:hexagon));
 h3_h3_to_string 
-----------------
 880326b88dfffff
(1 row)

SELECT h3_string_to_h3(:hexagon) = h3_string_to_h3(:hexagon);
 ?column? 
----------
 t
(1 row)

SELECT h3_string_to_h3(:hexagon) = h3_string_to_h3(:pentagon);
 ?column? 
----------
 f
(1 row)

SELECT h3_string_to_h3(:hexagon) <> h3_string_to_h3(:hexagon);
 ?column? 
----------
 f
(1 row)

SELECT h3_string_to_h3(:hexagon) <> h3_string_to_h3(:pentagon);
 ?column? 
----------
 t
(1 row)

--- B-Tree operators
CREATE TABLE h3_test_type (hex h3index PRIMARY KEY);
INSERT INTO h3_test_type (hex) SELECT * from h3_basecells();
SELECT * FROM h3_test_type WHERE hex = '801dfffffffffff';
       hex       
-----------------
 801dfffffffffff
(1 row)