SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function intDiv (children 1)
     ExpressionList (children 2)
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'1.0\'
        Literal \'Decimal256(2)\'
      Function toDateTime64 (children 1)
       ExpressionList (children 2)
        Literal \'2023-01-02 12:12:12.002\'
        Literal UInt64_3
