SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function groupArrayInsertAt (children 2)
     ExpressionList (children 2)
      Literal Array_[UInt64_1, UInt64_1]
      Literal UInt64_2
     ExpressionList (children 2)
      Literal Array_[UInt64_2, UInt64_2]
      Literal UInt64_10