# select_query() print method output is as expected

    Code
      mf
    Output
      <SQL SELECT>
      From:
        <IDENT> df
      Select:   *
      Where:    `x` > 1
      Group by: `x`
      Order by: `x`
      Limit:    10

# queries generated by select() don't alias unnecessarily

    Code
      lf_render
    Output
      <SQL> SELECT `x`
      FROM `df`

---

    Code
      lazy_frame(x = 1, y = 1) %>% select()
    Condition
      Error in `sql_clause_select()`:
      ! Query contains no columns

