SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 10)
    Identifier key
    Function byteSize (children 1)
     ExpressionList (children 1)
      Asterisk
    Identifier str1
    Function byteSize (children 1)
     ExpressionList (children 1)
      Identifier str1
    Identifier str2
    Function byteSize (children 1)
     ExpressionList (children 1)
      Identifier str2
    Identifier fstr1
    Function byteSize (children 1)
     ExpressionList (children 1)
      Identifier fstr1
    Identifier fstr2
    Function byteSize (children 1)
     ExpressionList (children 1)
      Identifier fstr2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_byte_size_string
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier key
