QUERY: CREATE TABLE JOIN_TBL (
  i integer,
  j integer,
  x text
);
QUERY: CREATE TABLE JOIN2_TBL (
  i integer,
  k integer
);
QUERY: INSERT INTO JOIN_TBL VALUES (1, 3, 'one');
QUERY: INSERT INTO JOIN_TBL VALUES (2, 2, 'two');
QUERY: INSERT INTO JOIN_TBL VALUES (3, 1, 'three');
QUERY: INSERT INTO JOIN_TBL VALUES (4, 0, 'four');
QUERY: INSERT INTO JOIN2_TBL VALUES (1, -1);
QUERY: INSERT INTO JOIN2_TBL VALUES (2, 2);
QUERY: INSERT INTO JOIN2_TBL VALUES (3, -3);
QUERY: INSERT INTO JOIN2_TBL VALUES (2, 4);
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL CROSS JOIN JOIN2_TBL;
xxx|i|j|x    |i| k
---+-+-+-----+-+--
   |1|3|one  |1|-1
   |2|2|two  |1|-1
   |3|1|three|1|-1
   |4|0|four |1|-1
   |1|3|one  |2| 2
   |2|2|two  |2| 2
   |3|1|three|2| 2
   |4|0|four |2| 2
   |1|3|one  |3|-3
   |2|2|two  |3|-3
   |3|1|three|3|-3
   |4|0|four |3|-3
   |1|3|one  |2| 4
   |2|2|two  |2| 4
   |3|1|three|2| 4
   |4|0|four |2| 4
(16 rows)

QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL NATURAL JOIN JOIN2_TBL;
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL INNER JOIN JOIN2_TBL USING (i);
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL JOIN JOIN2_TBL ON (JOIN_TBL.i = JOIN2_TBL.i);
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL JOIN JOIN2_TBL ON (JOIN_TBL.i = JOIN2_TBL.k);
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL CROSS JOIN JOIN2_TBL;
xxx|i|j|x    |i| k
---+-+-+-----+-+--
   |1|3|one  |1|-1
   |2|2|two  |1|-1
   |3|1|three|1|-1
   |4|0|four |1|-1
   |1|3|one  |2| 2
   |2|2|two  |2| 2
   |3|1|three|2| 2
   |4|0|four |2| 2
   |1|3|one  |3|-3
   |2|2|two  |3|-3
   |3|1|three|3|-3
   |4|0|four |3|-3
   |1|3|one  |2| 4
   |2|2|two  |2| 4
   |3|1|three|2| 4
   |4|0|four |2| 4
(16 rows)

QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL JOIN JOIN2_TBL ON (JOIN_TBL.i <= JOIN2_TBL.k);
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL OUTER JOIN JOIN2_TBL USING (i);
NOTICE:  OUTER JOIN not yet implemented
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL LEFT OUTER JOIN JOIN2_TBL USING (i);
NOTICE:  LEFT OUTER JOIN not yet implemented
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL RIGHT OUTER JOIN JOIN2_TBL USING (i);
NOTICE:  RIGHT OUTER JOIN not yet implemented
ERROR:  JOIN expressions are not yet implemented
QUERY: SELECT '' AS "xxx", *
  FROM JOIN_TBL FULL OUTER JOIN JOIN2_TBL USING (i);
NOTICE:  FULL OUTER JOIN not yet implemented
ERROR:  JOIN expressions are not yet implemented
QUERY: DROP TABLE JOIN_TBL;
QUERY: DROP TABLE JOIN2_TBL;
