SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toUInt16 (children 1)
     ExpressionList (children 1)
      Function minus (children 1)
       ExpressionList (children 2)
        Function toRelativeDayNum (children 1)
         ExpressionList (children 2)
          Function toDateTime (children 1)
           ExpressionList (children 1)
            Literal UInt64_1412106600
          Literal \'Pacific/Pitcairn\'
        Function toRelativeDayNum (children 1)
         ExpressionList (children 2)
          Function toDateTime (children 1)
           ExpressionList (children 1)
            Literal UInt64_0
          Literal \'Pacific/Pitcairn\'
