ClickHouse/tests/queries/0_stateless/01455_duplicate_distinct_optimization.reference

SELECT DISTINCT number
FROM numbers(1)
SELECT number
FROM
(
    SELECT DISTINCT number
    FROM numbers(1)
)
SELECT DISTINCT number * 2
FROM
(
    SELECT DISTINCT
        number * 2,
        number
    FROM numbers(1)
)
SELECT number
FROM
(
    SELECT DISTINCT number * 2 AS number
    FROM numbers(1)
)
SELECT
    b,
    a
FROM
(
    SELECT DISTINCT
        number % 2 AS a,
        number % 3 AS b
    FROM numbers(100)
)
SELECT DISTINCT a
FROM
(
    SELECT DISTINCT
        number % 2 AS a,
        number % 3 AS b
    FROM numbers(100)
)
SELECT a
FROM
(
    SELECT DISTINCT a
    FROM
    (
        SELECT DISTINCT
            number % 2 AS a,
            number % 3 AS b
        FROM numbers(100)
    )
)
SELECT DISTINCT a
FROM
(
    SELECT
        a,
        b
    FROM
    (
        SELECT DISTINCT
            number % 2 AS a,
            number % 3 AS b
        FROM numbers(100)
    )
)
SELECT
    a,
    b
FROM
(
    SELECT
        b,
        a
    FROM
    (
        SELECT DISTINCT
            number AS a,
            number AS b
        FROM numbers(1)
    )
)
SELECT
    a,
    b
FROM
(
    SELECT
        b,
        a,
        a + b
    FROM
    (
        SELECT DISTINCT
            number % 2 AS a,
            number % 3 AS b
        FROM numbers(100)
    )
)
SELECT DISTINCT a
FROM
(
    SELECT a
    FROM
    (
        SELECT DISTINCT
            number % 2 AS a,
            number % 3 AS b
        FROM numbers(100)
    )
)
SELECT DISTINCT number
FROM
(
    SELECT DISTINCT number
    FROM numbers(1)
) AS t1
CROSS JOIN numbers(2) AS t2
SELECT number
FROM
(
    SELECT DISTINCT number
    FROM numbers(1) AS t1
    CROSS JOIN numbers(2) AS t2
)
SELECT DISTINCT number
FROM
(
    SELECT DISTINCT number
    FROM numbers(1)
    UNION ALL
    SELECT DISTINCT number
    FROM numbers(2)
)
0
1