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-- A test suite for GROUP BY in parent side, subquery, and both predicate subquery
-- It includes correlated cases.

create temporary view t1 as select * from values
  ("t1a", 6S, 8, 10L, float(15.0), 20D, 20E2, timestamp '2014-04-04 01:00:00.000', date '2014-04-04'),
  ("t1b", 8S, 16, 19L, float(17.0), 25D, 26E2, timestamp '2014-05-04 01:01:00.000', date '2014-05-04'),
  ("t1a", 16S, 12, 21L, float(15.0), 20D, 20E2, timestamp '2014-06-04 01:02:00.001', date '2014-06-04'),
  ("t1a", 16S, 12, 10L, float(15.0), 20D, 20E2, timestamp '2014-07-04 01:01:00.000', date '2014-07-04'),
  ("t1c", 8S, 16, 19L, float(17.0), 25D, 26E2, timestamp '2014-05-04 01:02:00.001', date '2014-05-05'),
  ("t1d", null, 16, 22L, float(17.0), 25D, 26E2, timestamp '2014-06-04 01:01:00.000', null),
  ("t1d", null, 16, 19L, float(17.0), 25D, 26E2, timestamp '2014-07-04 01:02:00.001', null),
  ("t1e", 10S, null, 25L, float(17.0), 25D, 26E2, timestamp '2014-08-04 01:01:00.000', date '2014-08-04'),
  ("t1e", 10S, null, 19L, float(17.0), 25D, 26E2, timestamp '2014-09-04 01:02:00.001', date '2014-09-04'),
  ("t1d", 10S, null, 12L, float(17.0), 25D, 26E2, timestamp '2015-05-04 01:01:00.000', date '2015-05-04'),
  ("t1a", 6S, 8, 10L, float(15.0), 20D, 20E2, timestamp '2014-04-04 01:02:00.001', date '2014-04-04'),
  ("t1e", 10S, null, 19L, float(17.0), 25D, 26E2, timestamp '2014-05-04 01:01:00.000', date '2014-05-04')
  as t1(t1a, t1b, t1c, t1d, t1e, t1f, t1g, t1h, t1i);

create temporary view t2 as select * from values
  ("t2a", 6S, 12, 14L, float(15), 20D, 20E2, timestamp '2014-04-04 01:01:00.000', date '2014-04-04'),
  ("t1b", 10S, 12, 19L, float(17), 25D, 26E2, timestamp '2014-05-04 01:01:00.000', date '2014-05-04'),
  ("t1b", 8S, 16, 119L, float(17), 25D, 26E2, timestamp '2015-05-04 01:01:00.000', date '2015-05-04'),
  ("t1c", 12S, 16, 219L, float(17), 25D, 26E2, timestamp '2016-05-04 01:01:00.000', date '2016-05-04'),
  ("t1b", null, 16, 319L, float(17), 25D, 26E2, timestamp '2017-05-04 01:01:00.000', null),
  ("t2e", 8S, null, 419L, float(17), 25D, 26E2, timestamp '2014-06-04 01:01:00.000', date '2014-06-04'),
  ("t1f", 19S, null, 519L, float(17), 25D, 26E2, timestamp '2014-05-04 01:01:00.000', date '2014-05-04'),
  ("t1b", 10S, 12, 19L, float(17), 25D, 26E2, timestamp '2014-06-04 01:01:00.000', date '2014-06-04'),
  ("t1b", 8S, 16, 19L, float(17), 25D, 26E2, timestamp '2014-07-04 01:01:00.000', date '2014-07-04'),
  ("t1c", 12S, 16, 19L, float(17), 25D, 26E2, timestamp '2014-08-04 01:01:00.000', date '2014-08-05'),
  ("t1e", 8S, null, 19L, float(17), 25D, 26E2, timestamp '2014-09-04 01:01:00.000', date '2014-09-04'),
  ("t1f", 19S, null, 19L, float(17), 25D, 26E2, timestamp '2014-10-04 01:01:00.000', date '2014-10-04'),
  ("t1b", null, 16, 19L, float(17), 25D, 26E2, timestamp '2014-05-04 01:01:00.000', null)
  as t2(t2a, t2b, t2c, t2d, t2e, t2f, t2g, t2h, t2i);

create temporary view t3 as select * from values
  ("t3a", 6S, 12, 110L, float(15), 20D, 20E2, timestamp '2014-04-04 01:02:00.000', date '2014-04-04'),
  ("t3a", 6S, 12, 10L, float(15), 20D, 20E2, timestamp '2014-05-04 01:02:00.000', date '2014-05-04'),
  ("t1b", 10S, 12, 219L, float(17), 25D, 26E2, timestamp '2014-05-04 01:02:00.000', date '2014-05-04'),
  ("t1b", 10S, 12, 19L, float(17), 25D, 26E2, timestamp '2014-05-04 01:02:00.000', date '2014-05-04'),
  ("t1b", 8S, 16, 319L, float(17), 25D, 26E2, timestamp '2014-06-04 01:02:00.000', date '2014-06-04'),
  ("t1b", 8S, 16, 19L, float(17), 25D, 26E2, timestamp '2014-07-04 01:02:00.000', date '2014-07-04'),
  ("t3c", 17S, 16, 519L, float(17), 25D, 26E2, timestamp '2014-08-04 01:02:00.000', date '2014-08-04'),
  ("t3c", 17S, 16, 19L, float(17), 25D, 26E2, timestamp '2014-09-04 01:02:00.000', date '2014-09-05'),
  ("t1b", null, 16, 419L, float(17), 25D, 26E2, timestamp '2014-10-04 01:02:00.000', null),
  ("t1b", null, 16, 19L, float(17), 25D, 26E2, timestamp '2014-11-04 01:02:00.000', null),
  ("t3b", 8S, null, 719L, float(17), 25D, 26E2, timestamp '2014-05-04 01:02:00.000', date '2014-05-04'),
  ("t3b", 8S, null, 19L, float(17), 25D, 26E2, timestamp '2015-05-04 01:02:00.000', date '2015-05-04')
  as t3(t3a, t3b, t3c, t3d, t3e, t3f, t3g, t3h, t3i);

-- correlated IN subquery
-- GROUP BY in parent side
-- TC 01.01
SELECT t1a,
       Avg(t1b)
FROM   t1
WHERE  t1a IN (SELECT t2a
               FROM   t2)
GROUP  BY t1a;

-- TC 01.02
SELECT t1a,
       Max(t1b)
FROM   t1
WHERE  t1b IN (SELECT t2b
               FROM   t2
               WHERE  t1a = t2a)
GROUP  BY t1a,
          t1d;

-- TC 01.03
SELECT t1a,
       t1b
FROM   t1
WHERE  t1c IN (SELECT t2c
               FROM   t2
               WHERE  t1a = t2a)
GROUP  BY t1a,
          t1b;

-- TC 01.04
SELECT t1a,
       Sum(DISTINCT( t1b ))
FROM   t1
WHERE  t1c IN (SELECT t2c
               FROM   t2
               WHERE  t1a = t2a)
        OR t1c IN (SELECT t3c
                   FROM   t3
                   WHERE  t1a = t3a)
GROUP  BY t1a,
          t1c;

-- TC 01.05
SELECT t1a,
       Sum(DISTINCT( t1b ))
FROM   t1
WHERE  t1c IN (SELECT t2c
               FROM   t2
               WHERE  t1a = t2a)
       AND t1c IN (SELECT t3c
                   FROM   t3
                   WHERE  t1a = t3a)
GROUP  BY t1a,
          t1c;

-- TC 01.06
SELECT t1a,
       Count(DISTINCT( t1b ))
FROM   t1
WHERE  t1c IN (SELECT t2c
               FROM   t2
               WHERE  t1a = t2a)
GROUP  BY t1a,
          t1c
HAVING t1a = "t1b";

-- GROUP BY in subquery
-- TC 01.07
SELECT *
FROM   t1
WHERE  t1b IN (SELECT Max(t2b)
               FROM   t2
               GROUP  BY t2a);

-- TC 01.08
SELECT *
FROM   (SELECT t2a,
               t2b
        FROM   t2
        WHERE  t2a IN (SELECT t1a
                       FROM   t1
                       WHERE  t1b = t2b)
        GROUP  BY t2a,
                  t2b) t2;

-- TC 01.09
SELECT Count(DISTINCT( * ))
FROM   t1
WHERE  t1b IN (SELECT Min(t2b)
               FROM   t2
               WHERE  t1a = t2a
                      AND t1c = t2c
               GROUP  BY t2a);

-- TC 01.10
SELECT t1a,
       t1b
FROM   t1
WHERE  t1c IN (SELECT Max(t2c)
               FROM   t2
               WHERE  t1a = t2a
               GROUP  BY t2a,
                         t2c
               HAVING t2c > 8);

-- TC 01.11
SELECT t1a,
       t1b
FROM   t1
WHERE  t1c IN (SELECT t2c
               FROM   t2
               WHERE  t2a IN (SELECT Min(t3a)
                              FROM   t3
                              WHERE  t3a = t2a
                              GROUP  BY t3b)
               GROUP  BY t2c);

-- GROUP BY in both
-- TC 01.12
SELECT t1a,
       Min(t1b)
FROM   t1
WHERE  t1c IN (SELECT Min(t2c)
               FROM   t2
               WHERE  t2b = t1b
               GROUP  BY t2a)
GROUP  BY t1a;

-- TC 01.13
SELECT t1a,
       Min(t1b)
FROM   t1
WHERE  t1c IN (SELECT Min(t2c)
               FROM   t2
               WHERE  t2b IN (SELECT Min(t3b)
                              FROM   t3
                              WHERE  t2a = t3a
                              GROUP  BY t3a)
               GROUP  BY t2c)
GROUP  BY t1a,
          t1d;

-- TC 01.14
SELECT t1a,
       Min(t1b)
FROM   t1
WHERE  t1c IN (SELECT Min(t2c)
               FROM   t2
               WHERE  t2b = t1b
               GROUP  BY t2a)
       AND t1d IN (SELECT t3d
                   FROM   t3
                   WHERE  t1c = t3c
                   GROUP  BY t3d)
GROUP  BY t1a;

-- TC 01.15
SELECT t1a,
       Min(t1b)
FROM   t1
WHERE  t1c IN (SELECT Min(t2c)
               FROM   t2
               WHERE  t2b = t1b
               GROUP  BY t2a)
        OR t1d IN (SELECT t3d
                   FROM   t3
                   WHERE  t1c = t3c
                   GROUP  BY t3d)
GROUP  BY t1a;

-- TC 01.16
SELECT t1a,
       Min(t1b)
FROM   t1
WHERE  t1c IN (SELECT Min(t2c)
               FROM   t2
               WHERE  t2b = t1b
               GROUP  BY t2a
               HAVING t2a > t1a)
        OR t1d IN (SELECT t3d
                   FROM   t3
                   WHERE  t1c = t3c
                   GROUP  BY t3d
                   HAVING t3d = t1d)
GROUP  BY t1a
HAVING Min(t1b) IS NOT NULL;