SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function timeSlots (children 1)
     ExpressionList (children 3)
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Literal \'2000-01-02 03:04:05.3456\'
        Literal UInt64_4
        Literal \'UTC\'
      Function toDecimal64 (children 1)
       ExpressionList (children 2)
        Literal UInt64_600
        Literal UInt64_0
      Function toDecimal64 (children 1)
       ExpressionList (children 2)
        Literal UInt64_30
        Literal UInt64_0