SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 4)
    Identifier key
    Function byteSize (children 1)
     ExpressionList (children 1)
      Asterisk
    Identifier complex1
    Function byteSize (children 1)
     ExpressionList (children 1)
      Identifier complex1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_byte_size_more_complex
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier key
