-- { echoOn }

SELECT * FROM test1 LEFT JOIN test2 ON test1.col1 = test2.col1
WHERE test2.col1 IS NULL
ORDER BY test2.col1
;
12321	-30	\N	\N
SELECT * FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
WHERE test2.col1 IS NULL
ORDER BY test2.col1
;
\N	\N	12321	-30
SELECT * FROM test1 LEFT JOIN test2 ON test1.col1 = test2.col1
WHERE test2.col1 IS NOT NULL
ORDER BY test2.col1
;
123	123	123	5600
321	-32	321	5601
SELECT * FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
WHERE test2.col1 IS NOT NULL
ORDER BY test2.col1
;
123	5600	123	123
321	5601	321	-32
SELECT test2.col1, test1.* FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
WHERE test2.col1 IS NOT NULL
ORDER BY test2.col1
;
123	123	123
321	321	-32
SELECT test2.col3, test1.* FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
WHERE test2.col1 IS NOT NULL
ORDER BY test2.col1
;
5600	123	123
5601	321	-32
DROP TABLE IF EXISTS test1;
DROP TABLE IF EXISTS test2;