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 dt
    Function less (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier dt
    Function less (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier dt
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'<=\'
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier dt
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier dt
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier dt
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'=\'
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier dt
    Function equals (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier dt
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier dt
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'>=\'
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier dt
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier dt
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier dt
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'>\'
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier dt
    Function greater (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier dt
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier dt
        Literal UInt64_1
        Literal \'UTC\'
    Literal \'!=\'
    Function notEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Identifier dt
    Function notEquals (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Identifier dt64
      Identifier dt
    Function notEquals (children 1)
     ExpressionList (children 2)
      Identifier dt64
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier dt
        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 value) (children 1)
            ExpressionList (children 1)
             Literal \'2015-05-18 07:40:11\'
          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 value
             Literal UInt64_1
             Literal \'UTC\'
           Function minus (alias dt) (children 1)
            ExpressionList (children 2)
             Identifier value
             Identifier n
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_3