SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList (children 1)
      Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier distr_03222_dt64
   Function less (children 1)
    ExpressionList (children 2)
     Identifier dt
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 1)
         ExpressionList (children 1)
          Function toDateTime64 (children 1)
           ExpressionList (children 2)
            Literal \'2004-07-20 00:00:00\'
            Literal UInt64_3
