-- https://github.com/ClickHouse/ClickHouse/issues/29734
SET enable_analyzer=1;
SELECT *
FROM
(
    SELECT 1 AS x
) AS a
INNER JOIN
(
    SELECT
        1 AS x,
        2 AS y
) AS b ON (a.x = b.x) AND (a.y = b.y); -- { serverError UNKNOWN_IDENTIFIER }



SELECT *
FROM
(
    SELECT 1 AS x
) AS a
INNER JOIN
(
    SELECT
        1 AS x,
        2 AS y
) AS b ON (a.x = b.x) AND (a.y = b.y)
INNER JOIN
(
    SELECT 3 AS x
) AS c ON a.x = c.x; -- { serverError UNKNOWN_IDENTIFIER }


SELECT *
FROM
(
    SELECT number AS x
    FROM numbers(10)
) AS a
INNER JOIN
(
    SELECT
        number AS x,
        number AS y
    FROM numbers(10)
) AS b ON (a.x = b.x) AND (a.y = b.y)
INNER JOIN
(
    SELECT number AS x
    FROM numbers(10)
) AS c ON a.x = c.x; -- { serverError UNKNOWN_IDENTIFIER }