SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier time
    Function groupArray (alias groupArr) (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier sensor_id
        Identifier volume
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 3)
           Function multiply (alias time) (children 1)
            ExpressionList (children 2)
             Function intDiv (children 1)
              ExpressionList (children 2)
               Function toUInt32 (children 1)
                ExpressionList (children 1)
                 Identifier received_at
               Literal UInt64_900
             Literal UInt64_900
           Identifier sensor_id
           Function avg (alias volume) (children 1)
            ExpressionList (children 1)
             Identifier value
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier sensor_value
          Function and (children 1)
           ExpressionList (children 2)
            Function greaterOrEquals (children 1)
             ExpressionList (children 2)
              Identifier received_at
              Literal \'2018-12-12 00:00:00\'
            Function lessOrEquals (children 1)
             ExpressionList (children 2)
              Identifier received_at
              Literal \'2018-12-30 00:00:00\'
          ExpressionList (children 2)
           Identifier time
           Identifier sensor_id
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier time
   ExpressionList (children 1)
    Identifier time
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier time
