ClickHouse/dbms/tests/queries/0_stateless/00494_alias_substitution_bug.sql

DROP TABLE IF EXISTS test.nested;
CREATE TABLE test.nested (n Nested(x UInt8)) ENGINE = Memory;
INSERT INTO test.nested VALUES ([1, 2]);
SELECT 1 AS x FROM remote('localhost', test.nested) ARRAY JOIN n.x;
DROP TABLE test.nested;

SELECT dummy AS dummy, dummy AS b FROM system.one;
SELECT dummy AS dummy, dummy AS b, b AS c FROM system.one;
SELECT b AS c, dummy AS b, dummy AS dummy FROM system.one;