InsertQuery   (children 2)
 Function file (children 1)
  ExpressionList (children 1)
   Literal \'u32.orc\'
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 1)
     Function CAST (alias x) (children 1)
      ExpressionList (children 2)
       Function materialize (children 1)
        ExpressionList (children 1)
         Literal UInt64_2147483648
       Literal \'UInt32\'
