yql/essentials/tests/sql/suites/select_yql/named_node_subquery_external.yql


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/* custom error: :6:9: Error: Column reference can't be used without FROM */
PRAGMA YqlSelect = 'force';

$x = (
    SELECT
        a
);

SELECT
    $x
FROM (
    VALUES
        (1)
) AS x (
    a
);