SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayIntersect (children 1)
     ExpressionList (children 2)
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal Array_[UInt64_1, Int64_-1]
        Literal \'Array(Nullable(Int8))\'
      Literal Array_[NULL, UInt64_1]