SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Literal Int64_-2 (alias offset)
    Literal \'Hello\' (alias s)
    Function substring (children 1)
     ExpressionList (children 2)
      Function bin (children 1)
       ExpressionList (children 1)
        Identifier s
      Identifier offset
    Function bin (children 1)
     ExpressionList (children 1)
      Function bitSlice (children 1)
       ExpressionList (children 2)
        Identifier s
        Identifier offset
