dict0 clickhouse postgres1 5432 postgres mysecretpassword test0 SELECT value FROM test0 WHERE id = 0 id UInt32 id UInt32 value UInt32 1 dict1 clickhouse postgres mysecretpassword test1 postgres1 3 5432 postgres2 5433 1 postgres2 5432 2 id UInt32 id UInt32 value UInt32 1