SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function format (children 1)
       ExpressionList (children 3)
        Identifier CSVWithNamesAndTypes
        Literal \'foo UInt32, bar UInt32\'
        Literal \'foo,bar\\nUInt32,UInt32\\n1,2\\n3\\n\'
   Set
