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 TSVWithNamesAndTypes
        Literal \'foo UInt32, bar UInt32\'
        Literal \'foo\\tbar\\nUInt32\\tUInt32\\n1\\t2\\n3\\n\'
   Set
