text: CREATE TABLE if not exists customer_parts (
    c_custkey    INT4,
    c_name    TEXT,
    c_address    TEXT,
    c_phone    TEXT,
    c_acctbal    FLOAT8,
    c_mktsegment    TEXT,
    c_comment    TEXT
  ) PARTITION BY COLUMN (c_nationkey INT4) as
    SELECT
      c_custkey,
      c_name,
      c_address,
      c_phone,
      c_acctbal,
      c_mktsegment,
      c_comment,
      c_nationkey
    FROM customer;