-- Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
-- and the EPL 1.0 (http://h2database.com/html/license.html).
-- Initial Developer: H2 Group
--

CREATE TABLE TEST (ID INT PRIMARY KEY, CATEGORY INT, VALUE INT);
> ok

INSERT INTO TEST VALUES
    (1, 1, 11),
    (2, 1, 12),
    (3, 1, 13),
    (4, 2, 21),
    (5, 2, 22),
    (6, 3, 31),
    (7, 3, 32),
    (8, 3, 33),
    (9, 4, 41);
> update count: 9

SELECT *,
    ROW_NUMBER() OVER () RN,
    ROUND(PERCENT_RANK() OVER (), 2) PR,
    ROUND(CUME_DIST() OVER (), 2) CD,

    ROW_NUMBER() OVER (ORDER BY ID) RNO,
    RANK() OVER (ORDER BY ID) RKO,
    DENSE_RANK() OVER (ORDER BY ID) DRO,
    ROUND(PERCENT_RANK() OVER (ORDER BY ID), 2) PRO,
    ROUND(CUME_DIST() OVER (ORDER BY ID), 2) CDO

    FROM TEST;
> ID CATEGORY VALUE RN PR  CD  RNO RKO DRO PRO  CDO
> -- -------- ----- -- --- --- --- --- --- ---- ----
> 1  1        11    1  0.0 1.0 1   1   1   0.0  0.11
> 2  1        12    2  0.0 1.0 2   2   2   0.13 0.22
> 3  1        13    3  0.0 1.0 3   3   3   0.25 0.33
> 4  2        21    4  0.0 1.0 4   4   4   0.38 0.44
> 5  2        22    5  0.0 1.0 5   5   5   0.5  0.56
> 6  3        31    6  0.0 1.0 6   6   6   0.63 0.67
> 7  3        32    7  0.0 1.0 7   7   7   0.75 0.78
> 8  3        33    8  0.0 1.0 8   8   8   0.88 0.89
> 9  4        41    9  0.0 1.0 9   9   9   1.0  1.0
> rows: 9

SELECT *,
    ROW_NUMBER() OVER (ORDER BY CATEGORY) RN,
    RANK() OVER (ORDER BY CATEGORY) RK,
    DENSE_RANK() OVER (ORDER BY CATEGORY) DR,
    ROUND(PERCENT_RANK() OVER (ORDER BY CATEGORY), 2) PR,
    ROUND(CUME_DIST() OVER (ORDER BY CATEGORY), 2) CD
    FROM TEST;
> ID CATEGORY VALUE RN RK DR PR   CD
> -- -------- ----- -- -- -- ---- ----
> 1  1        11    1  1  1  0.0  0.33
> 2  1        12    2  1  1  0.0  0.33
> 3  1        13    3  1  1  0.0  0.33
> 4  2        21    4  4  2  0.38 0.56
> 5  2        22    5  4  2  0.38 0.56
> 6  3        31    6  6  3  0.63 0.89
> 7  3        32    7  6  3  0.63 0.89
> 8  3        33    8  6  3  0.63 0.89
> 9  4        41    9  9  4  1.0  1.0
> rows: 9

SELECT *,
    ROW_NUMBER() OVER (PARTITION BY CATEGORY ORDER BY ID) RN,
    RANK() OVER (PARTITION BY CATEGORY ORDER BY ID) RK,
    DENSE_RANK() OVER (PARTITION BY CATEGORY ORDER BY ID) DR,
    ROUND(PERCENT_RANK() OVER (PARTITION BY CATEGORY ORDER BY ID), 2) PR,
    ROUND(CUME_DIST() OVER (PARTITION BY CATEGORY ORDER BY ID), 2) CD
    FROM TEST;
> ID CATEGORY VALUE RN RK DR PR  CD
> -- -------- ----- -- -- -- --- ----
> 1  1        11    1  1  1  0.0 0.33
> 2  1        12    2  2  2  0.5 0.67
> 3  1        13    3  3  3  1.0 1.0
> 4  2        21    1  1  1  0.0 0.5
> 5  2        22    2  2  2  1.0 1.0
> 6  3        31    1  1  1  0.0 0.33
> 7  3        32    2  2  2  0.5 0.67
> 8  3        33    3  3  3  1.0 1.0
> 9  4        41    1  1  1  0.0 1.0
> rows: 9

SELECT
    ROW_NUMBER() OVER (ORDER BY CATEGORY) RN,
    RANK() OVER (ORDER BY CATEGORY) RK,
    DENSE_RANK() OVER (ORDER BY CATEGORY) DR,
    PERCENT_RANK() OVER () PR,
    CUME_DIST() OVER () CD,
    CATEGORY C
    FROM TEST GROUP BY CATEGORY ORDER BY RN;
> RN RK DR PR  CD  C
> -- -- -- --- --- -
> 1  1  1  0.0 1.0 1
> 2  2  2  0.0 1.0 2
> 3  3  3  0.0 1.0 3
> 4  4  4  0.0 1.0 4
> rows (ordered): 4

SELECT RANK() OVER () FROM TEST;
> exception SYNTAX_ERROR_2

SELECT DENSE_RANK() OVER () FROM TEST;
> exception SYNTAX_ERROR_2

SELECT ROW_NUMBER() OVER (ORDER BY ID RANGE CURRENT ROW) FROM TEST;
> exception SYNTAX_ERROR_1

SELECT RANK() OVER (ORDER BY ID RANGE CURRENT ROW) FROM TEST;
> exception SYNTAX_ERROR_1

SELECT DENSE_RANK() OVER (ORDER BY ID RANGE CURRENT ROW) FROM TEST;
> exception SYNTAX_ERROR_1

SELECT PERCENT_RANK() OVER (ORDER BY ID RANGE CURRENT ROW) FROM TEST;
> exception SYNTAX_ERROR_1

SELECT CUME_DIST() OVER (ORDER BY ID RANGE CURRENT ROW) FROM TEST;
> exception SYNTAX_ERROR_1

DROP TABLE TEST;
> ok

CREATE TABLE TEST (ID INT PRIMARY KEY, TYPE VARCHAR, CNT INT);
> ok

INSERT INTO TEST VALUES
    (1, 'a', 1),
    (2, 'b', 2),
    (3, 'c', 4),
    (4, 'b', 8);
> update count: 4

SELECT ROW_NUMBER() OVER (ORDER BY TYPE) RN, TYPE, SUM(CNT) SUM FROM TEST GROUP BY TYPE;
> RN TYPE SUM
> -- ---- ---
> 1  a    1
> 2  b    10
> 3  c    4
> rows: 3

SELECT A, B, C, ROW_NUMBER() OVER (PARTITION BY A, B) N FROM
    VALUES (1, 1, 1), (1, 1, 2), (1, 2, 3), (2, 1, 4) T(A, B, C);
> A B C N
> - - - -
> 1 1 1 1
> 1 1 2 2
> 1 2 3 1
> 2 1 4 1
> rows: 4

SELECT RANK () OVER () FROM TEST;
> exception SYNTAX_ERROR_2

SELECT DENSE_RANK () OVER () FROM TEST;
> exception SYNTAX_ERROR_2

DROP TABLE TEST;
> ok

SELECT ROW_NUMBER() OVER () FROM VALUES (1);
> ROW_NUMBER() OVER ()
> --------------------
> 1
> rows: 1
