SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function viewExplain (children 1)
       ExpressionList (children 3)
        Literal \'EXPLAIN\'
        Literal \'\'
        Subquery (children 1)
         SelectWithUnionQuery (children 1)
          ExpressionList (children 1)
           SelectQuery (children 2)
            ExpressionList (children 1)
             Literal UInt64_1
            ExpressionList (children 1)
             WindowListElement
