Nesting of AGO or TODATE functions with differing level arguments is not supported

I have a column in BMM which calculates the Year-To-Date Sales. This function uses the ToDate function to caculate the YTD.
I need to develop another formula column which shows the last-year's YTD.
I develop this formula in BMM by AGO on the YTD column which already uses a ToDate function.
In BI Answers when selecting this column, results in the below message:
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 43119] Query Failed: [nQSError: 22044] Nesting of AGO or TODATE functions with differing level arguments is not supported. (HY000)

To reply to my own question. It appears I got it working, that is, the error message problem is solved, but I still have questions on how to use these functions.
To get it to work, I added the primary key D_TIJD.TIJDKEY at the level of the lowest grain in my dimension (level tab).
What I still wonder is how to make it select the right values. I have the following hierarchy: bookyear - bookperiod - week. A bookperiod contains 4 or 5 weeks (4,4,5 in a quarter), so 12 periods in one year. I defined a measure at period level and another at that level with the ago function, that should return the figures for that same period of the year before. My first question is, whether to go back 12 periods or 52 weeks (which is the lowest grain in my dimension)?
The second question is how to use a combination of TODATE and AGO so that if I calculate the current period (of which only 2 weeks are passed), I also only want to include the same two weeks for that period one year ago in order to make a correct comparison. How do I do that???

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NqsError:22044 Nesting of Ago or TODATE funct with diff level not supported

Hello All,
I am facing an issue while using the timeseries function in OBIEE.
Firstly, I need to calcuate the To-date function for a measure at Year-Level( Time Dimension) and then I need to calculate the Month Ago function on that column, So the function would look like this
"Ago(ToDate(Measure, Year) , Month, 1) "
But it is throwing me an error as shown in the subject line, can you please let me know if there is any workaround for this one.
Let me know if you need more clarification on this one.
Regards
RG

Hi,
I have faced the same issue, i have resolved by using below method obiee-date-expressions-reference i have to map your Period (day,month,year etc) able and fact table
while joining in physical layer you can use it.
Ex: lets try it below kind for your case
Last Day of the Previous Month
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))
From right to left the first TIMESTAMPADD returns the first day of the Current Month. The second TIMESTAMPADD subtracts a month to arrive at the first day of the previous month.
Last Day of Previous Year
TIMESTAMPADD( SQL_TSI_DAY , -1, TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1,
CURRENT_DATE))
From right to left the first TIMESTAMPADD returns the first day of the current year. The second TIMESTAMPADD subtracts one day to arrive at December 31st of the previous year.
Refer :
http://obieeelegant.blogspot.com/2011/06/obiee-date-expressions-reference.html
hope it's clear.
Thanks
Deva

On the AGO Function need to Create TODATE function with Diff levels - MTD,Q

Hi All,
My Basic Requirement is to Create Time Series Function on AAA ie ( Month To Date , Quarter To Date and Year To Date )
The Logic for the AAA = XXX / Previous 3 Months Revenue.
we know that we can use the AGO Function to create Previous 3 months Revenue with Month is Level . But the issue is .... i cant use AGO function since i need to perform Year to Date, QTD and MTD upon 'AAA' this OBIEE doesn't permit to use nested time series functions upon varying levels .
So How can i Resolve the issue ie creation of TODATE function on the AGO Function with Diff levels
Thanks,
Swapna S

hi,
for your requirement create three repository variables like
for previous 3 months create repository variable like
select to_char(sysdate,'yyyymm') -3 from dual;
for month to date first calculate first day of the month
select To_Char(Add_Months(Last_Day(Sysdate),-1) + 1,'MM/DD/YYYY') from dual;
after put a filter in answers date between first date of the present month and current date
create the same thing for year to date
calculate first date in the year like following query
select To_Char(Trunc(Sysdate,'YEAR'),'MM/DD/YYYY') from dual;
after that apply filter date b/w first date in the year and current date
i hope it works for your scenario
Regards
Naresh
Edited by: Naresh Meda on Nov 10, 2008 2:08 AM
Edited by: Naresh Meda on Nov 10, 2008 2:12 AM

Nested Ago and Todate function problem

Hi,
in my rpd i have following Time hierarchy:
Year
Quarter
Month
and a fact table Fact Shop which contains Monthly measure "Number of Hearing Aids Delivered".
I must calculate PY_QTD, PY_YTD versions of above measure.
I have tried to use built-in Time Functions Ago and ToDate in the following way:
PY_QTD
Todate(Ago("Number of Hearing Aids Delivered",1,"Time.Year"), "Time.Quarter")
PY_YTD
Todate(Ago("Number of Hearing Aids Delivered",1,"Time.Year"), "Time.Year")
but when i check consistency i have error which says approximately "You can nest Ago and ToDate functions".
There's another way, to calculate it? Can you help?
Thanks
Giancarlo

So u r referring PY as previous year ;)
Here u go;
it’s a combination of AGO and TODATE.
You create a value – let’s say Sales MTD by just following normal process…then you create a logical column with the following formula AGO (Sales MTD, Month Dim, 12)
that should give you a MTD measure you’re looking for. I hope this is useful. Just dont use both function in single logical column....use seperate by first creating YTD n then AGO function to create previous year data.
For ur case use to calculate PY_YTD use below:
Create logical column
Aids Delivered YTD with formula as TODATE("Number of Hearing Aids Delivered"), "Time.Year")
and then create another logical column as
Aids Delivered PY_YTD with formula as AGO("Aids Delivered YTD","Time.Year",1)
This will work for sure....

Ago and Todate functions very slow

I have been playing around with the Ago and Todate functions in BI EE (based on data from the Global schema which I imported into BI EE Administrator) but I find these functions very slow to return the data in an Answers report. Has anyone else found this?

What's the size of the data set?
Yes, I'm currently experiencing it. Running on a 600-700k rows tables...
However, there're 2 things that might help:
a) we're doing development with cache off - enabling cache - makes report come instantly...
b) make sure the metrics have correct levels set up - i.e. it's sometimes advantageous to have several duplicates of 1 metric just for this purpose...with different levels....
Please let me know if you find other ways to improve performance...

AGO and TODATE functions

I want to use the AGO and TODATE functions to calculate a measure for the selected year and the year before, as well as a year--o date measure, but cannot get it to work. It fails with the following error:
A general error has occurred. [nQSError: 22040] To use TODATE function, the storage level of the query ('[D_TIJD.TIJDKEY]') must be a static level.
I have setup a time dimensions in which I can drill up and down and followed exactly the same steps that were layed out in the Oracle training activity guide, but so far without any luck. From Mark Rittman's articles I learned that using these functions is not as straight forward as one might hink. Does anybody have a working example of this?
Regards,
Paul

To reply to my own question. It appears I got it working, that is, the error message problem is solved, but I still have questions on how to use these functions.
To get it to work, I added the primary key D_TIJD.TIJDKEY at the level of the lowest grain in my dimension (level tab).
What I still wonder is how to make it select the right values. I have the following hierarchy: bookyear - bookperiod - week. A bookperiod contains 4 or 5 weeks (4,4,5 in a quarter), so 12 periods in one year. I defined a measure at period level and another at that level with the ago function, that should return the figures for that same period of the year before. My first question is, whether to go back 12 periods or 52 weeks (which is the lowest grain in my dimension)?
The second question is how to use a combination of TODATE and AGO so that if I calculate the current period (of which only 2 weeks are passed), I also only want to include the same two weeks for that period one year ago in order to make a correct comparison. How do I do that???

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Error in CodeFirst Seed with migrations : Modifying a column with the 'Identity' pattern is not supported. Column: 'CreatedAt'. Table: 'CodeFirstDatabaseSchema.Category'.

Hi,
I have activated migrations on my Azure Mobile Services project. I filled the new seed function Inside the Configuration.cs class of the migrations. If the tables are empty, the seed function is going without any problems. When my AddorUpdate tries to update
the first object I get the error in the inner exception : "Modifying a column with the 'Identity' pattern is not supported. Column: 'CreatedAt'. Table: 'CodeFirstDatabaseSchema.Category'."
Part of my code is as follows:
context.categories.AddOrUpdate(
new Category { Id="1", Code="GEN", Text="General"},
new Category { Id="2", Code="POL", Text="Politics"},
new Category { Id="3", Code="FAS", Text="Fashion"},
new Category { Id="4", Code="PEO", Text="People"},
new Category { Id="5", Code="TEC", Text="Technology"},
new Category { Id="6", Code="SPO", Text="Sport"},
new Category { Id="7", Code="LIV", Text="Living"}
Any help is welcomed. Thanks.
Faical SAID Highwave Creations

This occurred to me because I changed my POCO models to inherit from EntityData after I had already created my database without the extra Azure Mobile Service properties (UpdatedAt, CreatedAt, Deleted). The only way I fixed it was to drop the database and
start over with my classes inheriting from EntityData from the beginning. If you can't do that then I would create a new table with EntityData models and see how that database is created and manually update your tables to match those. Here's an image of one
of my tables from the management console on Azure. You can see that CreatedAt is an index.

How to fix "Modifying a column with the 'Identity' pattern is not supported"

When doing Code First Migrations my mobile service always errors in the seed method with: 'Modifying a column with the 'Identity' pattern is not supported. Column: 'CreatedAt'. Table: 'CodeFirstDatabaseSchema.Methodology' for the CreatedAt column. All my
models inherit from EntityData.
// Sample model
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using Microsoft.WindowsAzure.Mobile.Service;
namespace sbp_ctService.Models
public class Methodology : EntityData
public Methodology()
this.Scenarioes = new List<Scenario>();
public string Id { get; set; }
[Required]
[StringLength(50)]
public string EntryMethod { get; set; }
[Required]
[StringLength(50)]
public string TestDirection { get; set; }
[Required]
[StringLength(50)]
public string PassCriteria { get; set; }
[Required]
[StringLength(50)]
public string Dependency { get; set; }
public bool ExtraInfo { get; set; }
public virtual ICollection<Scenario> Scenarioes { get; set; }
And in my Configuration.cs file during an update here's my seed method:
protected override void Seed(sbp_ctService.Models.sbp_ctContext context)
// This method will be called after migrating to the latest version.
context.Methodologies.AddOrUpdate(
m => m.Id,
new Methodology { Id = "Methodology1", EntryMethod = "P/F", PassCriteria = "P/F", Dependency = "None", ExtraInfo = false, TestDirection = "Round" },
new Methodology { Id = "Methodology2", EntryMethod = "P/F", PassCriteria = "Best", Dependency = "None", ExtraInfo = false, TestDirection = "Round" },
new Methodology { Id = "Methodology3", EntryMethod = "P/F", PassCriteria = "Best", Dependency = "None", ExtraInfo = false, TestDirection = "In/Out" },
new Methodology { Id = "Methodology4", EntryMethod = "P/F", PassCriteria = "Best", Dependency = "None", ExtraInfo = false, TestDirection = "Out" }
For some reason on an update the CreatedAt field is created and given a value of null. So of course on an insert/update it will error because CreatedAt is an Identity field.
I've tried to configure the modelBuilder in my context to tell it that CreatedAt is an identity field, but that still doesn't work.
modelBuilder.Entity<Methodology>()
.Property(m => m.CreatedAt)
.HasDatabaseGeneratedOption(DatabaseGeneratedOption.Identity);
So far the only way to fix this is by commenting out my Seed data, but it's not a fix. I've seen other solutions where you can force it to not serialize certain fields, but I don't know if those solutions apply.

So I think this occurs because you might have created the database (Code-first) with POCOs that didn't have the CreatedAt field in them. I think that's what I did and the easiest way to fix it for me was to delete my database and re-create it with my POCOs
inheriting from Entity Data from the very beginning. We were still in development so it worked out for us but I know some people might not be able to do that. Here's what my table looks like after it was created correctly:
USE [database_name]
GO
/****** Object: Table [sbp_ct].[Methodologies] Script Date: 2/24/2015 9:48:45 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [schema_name].[Methodologies] (
[Id] NVARCHAR (128) NOT NULL,
[EntryMethod] NVARCHAR (50) NOT NULL,
[TestDirection] NVARCHAR (50) NOT NULL,
[PassCriteria] NVARCHAR (50) NOT NULL,
[Dependency] NVARCHAR (50) NOT NULL,
[ExtraInfo] BIT NOT NULL,
[Version] ROWVERSION NOT NULL,
[CreatedAt] DATETIMEOFFSET (7) NULL,
[UpdatedAt] DATETIMEOFFSET (7) NULL,
[Deleted] BIT NOT NULL,
[Name] NVARCHAR (MAX) NULL
GO
CREATE CLUSTERED INDEX [IX_CreatedAt]
ON [schema_name].[Methodologies]([CreatedAt] ASC);
GO
ALTER TABLE [schema_name].[Methodologies]
ADD CONSTRAINT [PK_schema_name.Methodologies] PRIMARY KEY NONCLUSTERED ([Id] ASC);
Does yours look something like that?

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I am getting the below error which click "Create Power View Report" option in "Power Pivot Gallery"
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Nesting of AGO or TODATE functions with differing level arguments is not supported

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