SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 26)
    Identifier n
    Function toTypeName (alias dt64_typename) (children 1)
     ExpressionList (children 1)
      Identifier dt64
    Literal \'<\'
    Function less (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier d
    Function less (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier d
    Function less (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier d
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'<=\'
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier d
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier d
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier d
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'=\'
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier d
    Function equals (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier d
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier d
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'>=\'
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier d
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier d
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier d
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'>\'
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier d
    Function greater (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier d
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier d
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'!=\'
    Function notEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier d
    Function notEquals (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier d
    Function notEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier d
        Literal UInt64_1
        Literal \'UTC\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 4)
          ExpressionList (children 1)
           Function toDateTime (alias val) (children 1)
            ExpressionList (children 1)
             Literal \'2019-09-16 19:20:11\'
          ExpressionList (children 3)
           Function minus (alias n) (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal UInt64_1
           Function toDateTime64 (alias dt64) (children 1)
            ExpressionList (children 3)
             Identifier val
             Literal UInt64_1
             Literal \'UTC\'
           Function minus (alias d) (children 1)
            ExpressionList (children 2)
             Function toDate (children 1)
              ExpressionList (children 2)
               Identifier val
               Literal \'UTC\'
             Identifier n
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_3