(I created calculated fields "Fiscal Year" and "Fiscal Month" on my secondary Superstore example to simulate this. How ever # no of changes and # of Problems are calculating entire database values. To provide comparative data: Secondary data can be used to compare and contrast findings across different studies or datasets. When you blend, you can only have aggregate access to the rows in the secondary. Data blending: Cube data sources can only be used as the primary data source for blending data in Tableau. I've read through the various posts on here, plus the general troubleshooting posts on the Tableau page on blending data, but can't find a solution. Notice that Calc1 gives you an asterisk if there are multiple values returned from the secondary source. Drag the State (group) dimension over the Region dimension on the Rows shelf to replace it. Answer. {FIXED [Machine Nr] : COUNT ( [Machine Nr] )} / {FIXED [Machine Nr] : COUNT ( [Machine Nr] )} This works fine when there is no secondary data source but when I blend with a secondary data source it grays. Please find the complete blog here ----> COUNTD with secondary DS Tableau(Blending) Workbook is attached. I am trying to use the measures name filter functionality with two data sources. Hello Jim, Thank You for your reply. Hi. Hi, I have a scenario where I have to use Data Blending option to get certain metric values from Secondary Data Source. Filter each of the data sources independently on the more granular dimensions. However, it gives me following error: "Cannot blend the secondary data source because one or more fields use an unsupported aggregation"We have an enterprise data source that is an SSAS Tabular model. " And after that I can't make my workbook work at all. This is a table calculation equivalent of the COUNTD() database function, which may be required either because the result needs to be used in a calculation at a different level of detail to the level at which it is calculated, or because the datasouce. In the Add/Edit User Mapping dialog crate, do the following: Select a select by the primary your data. Loading. [amount] into the view, it gives less than. I have two data sets that are linked across Date and Product Category fields. Blending Data Issue: "Data sources that contain logical tables cannot be used as secondary data sources for data blending" Hi All, new to Tableau (learning through Udemy) and have run into an issue trying to blend. To overcome this, I've added a filter straight into the data source and not in the view. The first field you drop onto a worksheet defines the primary datasource. Unsupported aggregations in data blending Hello, I have a distributor dataset with product ships and returns (one report covering six months), and a retailer dataset with product retail sales and stock (covering the same six months but composed of. Best solution. In the Data pane, select the State data source (secondary). FIXED ID, WEEK: CountD (accounts)). Hi everyone, my first attempt to blend 2 data sets was not successful (Sheet called 1st attempt - attached), because its appears the following message "Cannot blend the secondary data source because one or more fields use an unsupported aggregation". Beginning with Tableau Desktop 2020. A Level of Detail (LOD) expression is being taken from the secondary data source. The success of BI projects depends on an organization's choice of BI solutions and the vendor’s ability to deliver relatively rapid and successful implementations, along with supportive. Status, Stage, etc). But the source calc is a countD. And I can't explain why it does that. Chicken - VMBurger + Choice of DrinkBurger - VMSpaghetti + Choice of DrinkSpaghetti - VM Trying to do a COUNTD() from a secondary data source and got this dreaded error: > Cannot blend the secondary data source because one or more fields use an unsupported aggregation . Data blending brings in additional information from a secondary data source and displays it with data from the primary data source directly in the view. The data source with the KMs is the primary source. 1 because it can cause Tableau to unexpectedly quit. newBranchProjection (Secondary) When I try to add COUNTD([DistrictId]) from my primary to text table. . It takes advantage of the data collected from previous research and uses it to carry out new research. and tried to plot chart, the chart complains that "Data sources that contain logical tables cannot be used as secondary data sources for data binding". Selected as Best Selected as Best Upvote Upvoted Remove Upvote 1 upvote. " Is there a way to circumvent this issue? Or perhaps a different method entirely. The secondary data source need to be my transaction file and primary data source need to be my budget file. How to calculate Delta value. Think of this layer as the Relationships canvas in the Data Source page. In your workbook sheet2 does not contain 5/22 date. Tableau Desktop & Web Authoring. Data blending has some limitations regarding non-additive aggregates such as COUNTD, MEDIAN, and. Click oField cannot breathe used from the [name by secondary data source] data original, because there is no mixed relationship to the primary data original. As you can see I have 2 different data sources using a blend on the blood type. Data blending brings in additional information from a secondary data source and displays it with data from the primary data source directly in the view. Data blending works like a ___ join. So yes, in [Actual Hrs] you can only use the value from the secondary as an aggregate, and that's why you see: SUM([Networkdays (Test blend data calculation)]. CSS ErrorI want to blend data from two different sources but on blending the data the filters from primary data source do not work if the case is different in the secondary data source. I'm using a cube data source as my primary and am attempting to blend with. e. It sounds like there might be some complications with a blend? Can’t speak to what’s happening there Are you blending on [Endtimestamp]? By using the formula DAY([Endtimestamp]), you're changing the dimensionality a little bit. CSS ErrorIF user chooses month X and parameters/filters like gender/age/etc, THEN count all distinct users from data set #2 where the date of data set #2 is from 2017-08-01 through today's date. Hi, I'll expand a bit on what @Chris wrote: There are some fundamental limits to what can be done with data blending and while there are workarounds that can get us the desired results in some circumstances those workarounds will not work in all circumstances (because Tableau never built out data blending to handle every. with blends, we are only able to support aggregates (like SUM, MIN, MAX. Why are values from the secondary data source not appearing in a blended data source view? They did not exist in the primary data source. cannot blend aggregated data from the secondary data source with data on this sheet. Cannot blend aggregated data from the secondary data source with the data on this sheet because there are no linking fields used in the view. Try one of the following options, as appropriate for your workbook: It may be possible to cross database join instead of blending. But seems we cannot blend 2 secondary data source with same field. My problem happens when I go to the dashboard, I want to filter on FW (fiscal week) and have crosstab. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. " I have seen a few posts on it and found an issue logged about it as far back as version 8. Data source A has Role Column and Data source B also has Role Column. Because data blending is an ad-hoc LEFT join that aggregates data from the secondary data source, Tableau cannot always perform aggregations that require the full domain. Hello Ritish, You could use Size() and a Las() function as a filter and get the same output. xls files). Tableau automatically adds an aggregation (SUM) around the column from the secondary source. Modify the calculation to not use table functions;. As 'Group' is from a secondary data source, I cannot simply use the sort buttons. I need to get a count distinct of Patient ID from the Primary data source, as well as count distinct of Patient ID from the Secondary data source in one worksheet. So, to do Data Blending, the steps that I would suggest would be: - Connect to the data sources that you need to use. Instead, publish. Please post you twbx workbook so we can see if there a way . ×Sorry to interrupt. For more information, see Deciding Between Joining Tables and Blending Data. They cannot be used as secondary data sources. We don't get row-level data from secondary sources on a. However, if you do a full outer join on [Dimension] = [Dimension] then we can know which records match up, and do a calculation like:I like to have the ability to swap a primary data source with a secondary data source for data blending in a workbook. " Expand Post. Relationships: Join: Combines columns: Yes: Cross database joins will not work with all data sources: Joins: Blend: Combines columns: No: Fields from the secondary data source cannot be brought in to the view unless there is a match on. Non-additive aggregates are generally not usable when a secondary dimension appears on any Shelf or there’s a linking dimension that is not in the view. We've adjusted our data strategy accordingly so using joins in all of our workbooks that need to leverage this functionality is not a sustainable solution. Call it [Start KM]: IF ATTR ( [KM Date])=ATTR ( [OIL]. In your 2nd and 3rd data sources. Common warnings and errors when blending data sources No relationship to the primary data source. Fields cannot be used from the [name of secondary data source] data source, because there is no blend relationship to the primary data source. ×Sorry to interrupt. Hi Data Modeler , I have an idea which I cannot test right away. The problem I'm running into is when I use another data source as the primary source and attempt to bring over the LOD calculation from a secondary source. Data blending is a method for combining data from multiple sources. I've tried using COUNTD() ID First Last 1 Jim Carrey 1 Jim Carrey 2 Liam Neeson 3 Wynona Ryder COUNT([ID]) = 4 COUNTD([ID]). Additional Information While replacing ATTR() with MIN() will cause "Automatic" grand totals to show, the grand totals might not be the expected values. Data sources can contain logical tables not be used as secondary data sources for data blending. The relationship is on the facility ID. You can read details here: Logical Tables in Secondary data source. Blending your Data in Tableau. In the secondary data I have a LOD field called Total_Category_Response defined as { FIXED [Category]: SUM([Respose_ValI am working on a dashboard where I am using the data blending feature to visualize the data from different data sources in to a single view. I tried data blending using the zip codes as a common field but I am facing very slow performance. The blend applies to that worksheet only. 2. Mihai Constantinescu (Member) 6 years ago. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. 4, I tried to blend products (secondary) to storefront (primary) based on Sku. Last week I’d promised to explain why the solution for identifying whether All items in a Tableau Quick Filter were selected wouldn’t work under certain circumstances in Tableau version 8, here it. Filtering data across a worksheet's secondary data source is not currently supported in Tableau Desktop. Primary and Secondary Data Sources in Tableau: To perform blending in a Tableau sheet, there should be at least one secondary data source. It says, "fields cannot be used from [data name] data source, because there is no relationship to the primary. Common field is the employee ID. Both fields are linked in worksheet. Hello Tableau world!! Am running into the strangest problem when data blending with V8. Yes - you can't bring COUNTD in data blending. [OIL DATE]) THEN MIN ( [KMs]) END. Thanks bharat ! but i think client column is common to both the source so i would able to blend the data. The secondary data source will have an orange checkmark on it. So, in the dummy data, there are two tables from two data sources. when I use A as primary data source and drag A. Fields from the secondary data source used in the view have an orange tick. Right-click in the Data window and then. Data blending have some limitations regarding non-additive total such like COUNTD, MEDIAN, and RAWSQLAGG. Cannot blend the secondary data source because one or more fields use an unsupported aggregation It’s cable reimagined No DVR space limits. Secondary data source has Order Date represented as separate Year and Month fields. Secondary Data Source: Extract W. You combine data in the logical layer using relationships (or noodles). There's a set of views/calcs that show a metric, (metric C) counting distinct number of accounts contacted per person per week (e. A datetime field may be converted to a date field using a calculation to remove the time portion. I get error: “Cannot blend the secondary data source because one or more fields use an unsupported aggregation. Loading. Click oLoading. So make sure you're not using such function while blending. ×Sorry to interrupt. For more information, see Use Relationships for Multi-table Data Analysis. Think of this layer as the Relationships canvas in the Data Source page. Non-additive engine are entirety functions that errichten outcomes that cannot be aggregated along a dimension. Here is the sample. Error: "data sources that contain logical tables cannot be used as secondary data sources for blending" I have two fact based data marts that I want to blend on a combination of dimensions (product, month, currency). [tier] == 0 then "Low vendors" elseif max [Secondary]. Even if I don't join the 2 data sources and just blend them by "Region" and "Store Name", I still get "Cannot blend the secondary data source because one or more fields use an unsupported aggregation" on dragging Total Utilized Money field into the view. Current Year Actuals and Prior Year Actuals are housed in a corporate transnational data source. Data blending is particularly useful when the blend relationship—the linking fields—need to vary on a sheet-by-sheet. Filter not recognizing blend relationship. * Blend in the summary of a large dataset to reduce query time. Currently, data sources that contain logical tables cannot be used as secondary data sources for data blending. I'm blending student data (primary) and staff data (second). These latter two situations trigger a different style of data blending (DB2) inside Tableau to ensure an accurate blend and that makes computation of non-additive aggregates much more difficult. tds and . A datetime field may be converted to a date field using a calculation to remove the time. However, I still get that message saying cannot blend the secondary data source because one or more fields use an unsupported aggregation". 0 but was disabled (greyed out) in 8. ” Causes and Workarounds for a Blending Limitation Errors. I have two data sets: the first data set is a shp file from data. I have quick filters from the primary data source and I am trying to represent distinct. Before I check Date filters, I got this results. I've attached my workbook that contains 2 data sources that are blended by invoice number. We cannot use ATTR if trying to create an LOD type calculation if blending data sources. Cube data sources can be used only as a primary data source to blend data in Tableau, and cannot be used as secondary data sources. I have a Remaining Value calculation, but it is not correct. additionally, data coming from the secondary source are always aggregated at the level of the link when brought to the primary source - the individual records are no longer available and you are not able to filter across the various data sources at that point - that is the long way of saying you will have to join or use a. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. 2. In the Data pane, select the Store - North data source. Select Default Properties > Sort. If you want to filter data across secondary data sources, consider the following alternatives: Join tables that are in the same data source, instead of blending them. This would be a great time saver, with all of the calculations and linking changing as well. Cannot blend the secondary data source because one or more fields use the == function, which cannot be computed locally. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. Non-additive aggregates are aggregate functions that produce results that cannot be aggregated along a dimension. Someone in the Community told me the following:A common use case for my analysis is blend a secondary data source then do a table calculation with various independent measures (thus I cannot apply filters). I am trying using { FIXED : SUM[(portfolioValue)]}. Are use of grouped fields not allowed in data blending? I have two data sources: Opportunities and Products. Community Manager update. This feature would be really useful to ensure we can. Now when I drag and drop the transaction data, everything works just fine, but if I try to use the "Add all Subtotals" option to get the AVG Transactions value for each Market then I am getting the dreaded "Cannot blend the secondary data source because one or more fields use an unsupported aggregation" on my worksheet when I change the "Total. Fields from the secondary data source used in the view have an orange check mark. . I have a primary data source coming from a published data extract blending with a secondary data source coming from an Oracle Database. Could please share me if there is a alternate solution for data source filter logic?Step 1: Place the required field into the Filter for a worksheet which sources the parent data. A datetime field in the primary data source, for example, will not blend with a date field in the secondary data source. Consider joining the two data sources together using Tableau Prep, and then you can use that data as a. Tableau Desktop Resolution Try one of the following options, as appropriate for your workbook: It may be possible to cross database join instead of blending. ×Sorry to interrupt. "Budget" is only contained in an Excel file data source. Cannot blend the secondary data source because one or more fields use an unsupported aggregation . I've blended on user ID. Build whatever calculated fields from the secondary that need to be used in in the primary. Change the default sort order of the field using the various options, and then click OK. Input cannot become used from the [name are secondary data source] data source, because there is no blend relationship to the primary data source. You must double-click a logical table in the Data Source page canvas to go to the physical layer of the canvas. If I cant go the above way then is there a possibility to do the duration calculation using table calculations or some other way. So if you drag Category from the Orders data source, it will automatically mark Orders as the primary data source. The two values you mentioned, 5315 - Radio and 5345 - Public Relations, do not appear in your primary data source for 2012, but do appear in the secondary data source, so they cannot be included in the data. For example, COUNTD(). The data is tracked at the subsite level, so I've utilized LOD calculations to determine the min login time and the max logout time fixed on the site level. 2, Tableau introduces relationships and splits. [% age]>=SUM([Percentage]) . I noticed that when the spatial file is the secondary data source, I cannot area plot it by double clicking the geometry variable. When trying to use COUNTD() it gives this error: cannot blend secondary data source because one or more fields use an unsupported aggregation when hovering over the Measures because it is now red. Not able to share for time being. the message says that a Logical table can not be used as a secondary source - You are trying to blend data (or at least tableau thinks you are) try reverting the data connection to a Physical model to JOIN the files together on the company name - JimClick OK to close the Edit Group dialog box. Loading. Option 2: Join tables that are in the same data source, instead of blending them. For example, when I try and pull in Cost per Order (cost coming from one source, and Orders coming from another) I get the "Cannot blend the secondary data source because one or more fields use and unsupported aggregation. ×Sorry to interrupt. I am trying to create a waffle chart. Even if I don't join the 2 data sources and just blend them by "Region" and "Store Name", I still get "Cannot blend the secondary data source because one or more fields use an unsupported aggregation" on dragging Total Utilized Money field into the view. I am using tableau 2020. The two data sources are identical. This can help researchers identify. IF ATTR([Offer Status]) = "Hired" Then AVG([Comp_File]. I am working with two Data Bases that are essentially the same, but I use the second one to "fake" dates (basically the same date +1 year) in order to use it for the YoY comparison that aligns with the different filters I set. Cannot Blend Secondary Data Source - Unsupported Aggregation. Primary and Secondary sources in data blending. Loading. Option 1: Join the data sources with a cross-database join instead of blending. The blend is not activated meaning a field from secondary DS is not used in the view. When I calculate the average of a measure and use the filter, it works perfectly fine. When Bugs History is a live connection to Vertica living inside my workbook all is well. Currently, I have to rebuild the worksheet and bring in the secondary source first. I didn't realize this until now, but it appears you cannot use blending when one of your data sources uses the new(ish) relationship model. This is indicated by the following icon: The view you are trying to build will function if you use the date from the primary data source (Shipped): Let us know if this is clear, or if more explanation is required! Cheers, TimothyCube data sources are used as primary data sources to blend data in Tableau and cannot be used as secondary data sources. LoadingWhen you try to add URL actions to dashboards, fields from secondary data sources cannot be added to the URL. Data blending provides a way to combine data from more than one data source on a single worksheet. After blending, CountD works fine on primary datasource, but when I try to use CountD on secondary datasource tableau gives error: "Cannot blend secondary data source as one or more fields use an unsupported aggregation". ) A LOD calc is also trying to do stuff at the row level. Open. 1. I'm blending the 2 data sources by Service_Id. If I cant go the above way then is there a possibility to do the duration calculation using table calculations or some other way. month([date])=month(Parameter. Beyond that personally I tend to do the work necessary to avoid using data blending in production data sources & views. If you want to filter data across secondary data sources, consider the following alternatives: Join tables that are in the same data source, instead of blending them. What I'm trying to do is, create a new column in the 'data to map to' table, saying I only want to see 'PY Sales' numbers where the 'Period' column is equal to the MAXIMUM of 'Sales Cycle' column from 'Data to Map from' table, which is from. In the data window, the blue tick indicates the Primary data source (Sales in the image below). Common Issue #1: Cannot blend the secondary data source because one or more fields use an unsupported aggregation The aggregation methods of COUNTD, MEDIAN, and other non-additive aggregate functions can cause fields to become invalid. . One data source has some values, the other one has different values. Option 2: Create a calculation using WINDOW_SUM() Drag the linking field(s) from the secondary data source to. Better collaboration. e. Make sure that you are blending on dimensions present in the view or on. Nitish Pamarty (Member) 7 years ago. This means that it forces the view to display only relevant data in the secondary data source. ODBC is a pretty universal technology for doing this, you can find more by doing a web search on "linked tables" or "linked worksheets" for your specific data sources. Option 2: Join tables that are in the same data source, instead of blending them. According to Tableau, this error can also appear when using a LOD expression in a blended view. I am trying to use the below formula instead of countd function because my data comes from Impala {FIXED [Machine Nr] : COUNT([Machine Nr] )} / {FIXED [Machine Nr] : COUNT([Machine Nr] )} This works fine when there is no secondary data source but when I blend with a secondary data source it grays out my sheet i. Maxdate) There is one more way, make the datasource which is using the fixed calculation to primary data source. ) If only one of the tables requires row level information, consider making that the primary data source in the blend (I. Advantages: Very easy to write and implement. [Work Hours]) So you have to make. Thank you . Name: Distinct Count. If I cant go the above way then is there a possibility to do the duration calculation using table calculations or some other way. duplicate the date field. Data blending brings in additional information from a secondary data source and displays it with data from the primary data source directly in the view. See. Expand Post. In the Relationships dialog box, under Secondary data source select Custom, and then click Add. Remove all dimensions from the secondary data source and ensure that the primary data source’s linking field is in view. I've created the first chart with no problem, but I. Solution in the image 📌 Non-additive aggregates from the primary data source 📌 Non-additive aggregates from the secondary data source 📌 Non-additive aggregates from a multi-connection. The point is to do row-level work in the secondary source, so that when the blend pulls data it doesn't have to do the row-level work. Tableau Desktop 2018. newBranchProjection (Secondary) When I try to add COUNTD([DistrictId]) from my primary to text table. Trying to do a COUNTD() from a secondary data source and got this dreaded error: > Cannot blend the secondary data source because one or more fields use an unsupported aggregation . See Join Your Data for more information. T or F: Blends, unlike relationships or joins, never truly combine the data. I've tried using COUNTD() ID First Last 1 Jim Carrey 1 Jim Carrey 2 Liam Neeson 3 Wynona Ryder COUNT([ID]) = 4 COUNTD([ID]) results in error I can add to filters from the data extracts. Upvote Upvoted Remove Upvote Reply. Here is an example of what I am trying to accomplish:Data blending is a method for combining data from multiple sources. Fee" I want to plot Gross Profit (i. In second data source i don;t have salesrep column. CSS ErrorTo reduce query times when working with a large data source like Store - South, you can use data blending to blend only on the summary data of the large secondary data source (Store - South) with the data in the smaller and presumably faster primary data source (Store - North). The "Create Primary Group" operation is bringing the dimension from the secondary into the primary, but it is static, and does not update when your data updates. You will need a common column between the two tables in order to blend. id = B. Can't see what you are actually doing but Blending data has its limits. In the Add/Edit Field Mapping dialog box, select the date fields from the primary and secondary data sources, and then click OK twice. I am trying to use the below formula instead of countd function because my data comes from Impala. In blending data source, I try to slove problem but I can't. All Answers. Show moreA workbook or mock data would be a sure thing to comment and try upon it. {FIXED [Machine Nr] : COUNT ( [Machine Nr] )} / {FIXED [Machine Nr] : COUNT ( [Machine Nr] )} This works fine when there is no secondary data source but when I blend with a secondary data source it grays. This is a new complexity in Tableau v8: In v7 and earlier, to blend we had to have the linked dimensions in the view, i. I am getting Cannot blend secondary data source because one or more fields used an unsupported aggregation. I use the Opp ID to relate them. Therefore it cannot display null data. Twb, . Aside from consulting the primary origin or source, data can also be collected through a third party, a process common with secondary data. If if this is the case, you could try creating a calculation for DAY([Endtimestamp]) in both the primary and secondary data sources, and adding it to the blend. If this aggregation is ATTR() then the grand totals may be blank. CSS ErrorI am trying to put my LOD calculation (below) on the rows shelf but encountering "cannot blend the secondary data source because one or more fields use an unsupported aggregation" {include [DATE. In data source A, I have COUNTD(Person ID) and in data source B, I have COUNTD(Person ID). Primary Source: Payment details (to get customer ID and revenue) Secondary Source: Customer details (to get customer country)from this data source i get the sum of basic salary. In versions prior to 2020. If you make sheet 1 as the primary data source and do the data blending with sheet 2. How to rewrite my calculation to fix the error: cannot blend the secondary data source because one or more fields are use and unsupported aggregation. Secondary Data Source: Contains data relating to the usage of a website (hits). Cannot blend the secondary data source because one or more fields use an unsupported aggregation. THEN add this total to the SUM of the projected_users from today's date through month X. I can add to filters from the data extracts. Now, in dashboard D1 : has two worksheets W1 and W2. In the attached file, table shows the sum of sales and first order date correctly from both the. This means a data blend can’t be published as a data source for others to use. The syntax for calling secondary data source field is not. Verify if one of the measures coming from the cube data source has a default aggregation different than SUM, MIN, MAX, COUNT. I am already using a Custom SQL query as an additional data source and trying to do blending based on the relationship on BU code field from RPT and AD. In the Data pane, switch to the [name of secondary data source] data source, and click at least one link icon to blend these data sources. Case 2: If you are done with the dashboard development then create a empty extract and publish it on server and run the refresh so that data gets loaded. Next, drag Category from the Orders data source onto the view, then select the Orders data source and click the chain icon to blend on Order ID. please check the attached workbook. Click on the ‘Add Action’ button and choose ‘Change Set Values’. First data source looks like below. Trying to do a COUNTD() from a secondary data source and got this dreaded error: Cannot blend the secondary data source because one or more fields use an unsupported aggregation Did some research on this and found plenty of "workarounds" with no success, because apparently blending sucks and I shouldn't be using it. When I then published this to server as an extract, then tried to blend it with the first data set I get this error: 2013-10-15_15-03-01. e. See the attached updated workbook. ” Causes and Workarounds for a Blending Limitation Errors 1. the blend relationship is defined on driver Code, and working fine when adding both basicSalary (from main data source) and fuel (from secondary) to the sheet. the count of claims I'm getting from the secondary data source, by counting distinctly a measure called claimid. Final Words. With the release of Tableau 8. I. Data blending is particularly useful when the blend relationship—the linking fields—need to vary on a sheet-by-sheet. Note: If the geographic role does not exist in the primary data source, then it will be necessary to create the view with the data source that contains the geographic role as the primary data source. During Data Blending in Tableau, if the secondary data source has any LOD (Level of Detail) Expressions, they are taken down after the data blending process is finished. When I try to graph the distinct count of project ids vs the VendorClass, however, I see every project getting the. Upvote Upvoted Remove Upvote Reply. Instead, publish each data source separately (to the same server) and then blend the published data sources. The two data sources are identical. The default view that you first see in the Data Source page canvas is the logical layer of the data source. I'm able to successfully connect to both data sources and set up the relationship, with the Teradata extract being primary and the Excel sheet being secondary. CSS ErrorHi Mavis Liu. Data blending brings in additional information from a secondary data source and displays it with data from the primary data source directly in the view. From what I understand, it's because the link variable must be present in the view, or else it does not work. Fee". mdb which will be used to illustrate data blending. 2 came the introduction of a brand-new data model. I have two datasets; one is a shape file that contains regions and locations. In short, Tableau connects to multiple data sources, sends independent queries to those data sources, and then combines (or “blends”) the aggregated results of the independent queries on a single worksheet. "Filtering Across Multiple Data Sources Using a Parameter; Cause A sheet cannot be filtered by a field from a secondary data source. I'm trying to blend two data sources on a single field, say 'Program Description'. drag the secondary measures to measure values section . 5 3 . Observations : 1. I cannot able to use as one connection since am using the data source filter in my first connection have data source filter. If I remove the blend, I cannot use/filter the secondary data source, and If I use the blend, it will display only the values for the first data source, but not from the second one, excluding. This is the final step and will result in filtering between the blended data sources at your desired level of granularity. A datetime field may be converted to a date field using a calculation to remove the time portion. You can choose whether functional and advertising cookies apply. month([date])=month(Parameter. They both share a common field (State), and that is what I'm filtering on. I made a waffle chart grid using an excel data source that contains 3 fields: Rows, Columns and Percentage. If there is another. LOD will not work if it is from the secondary datasource. I have just realised why the blending was not working. This feature would be really useful to ensure we can. Tableau Desktop; Blended data; Soluzione Use the following workaround: Create a new worksheet. I noticed there was an issue using Data Blend from 3 different source. Primary Data source - Actuals ( day grain) Secondary data source - Goals (quarter grain) Calculated Measures: Primary Data source :- CustCount = CountD( Cust_ID ) Secondary Data source : %of Goal = CustCount/SUM([Goal])The physical layer of the Data Source page canvas is basically the "classic view" of the Data Source page in previous versions of Tableau. Cube data sources do not support pass-through connections. Status, Stage, etc). I'm using a data blending method, where: Primary data source: Contains the ID I'm trying to count. You can choose whether functional and advertising cookies apply. Applies to: Tableau Cloud, Tableau Desktop, Tableau Server Data blending is a method for combining data from multiple sources. After blending, CountD works fine on primary datasource, but when I try to use CountD on secondary datasource tableau gives error: "Cannot blend secondary data source as one or more fields use an unsupported aggregation" Because of this, our overall. Tableau will throw an error: “Cannot blend the secondary data source because one or more fields use an unsupported aggregation. - Data to Map from - Data to Map to . I have two data sources to be used but need the count distinct of users from both the data sources. Blending takes place in the 6th step of the order of operation after the data table for the individual worksheet is set and the filters applied - data from the secondary source are aggregated at the level of the link and brought to the primary as. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. And I use Join data source, after divide measures / row duplicate. Hi, Because we can't see the entire picture, no detail in the view of the connected data sources, the workbook, etc. What does this mean? I want to create a city filter and apply it both to the SAS data source as well as the pivoted CSV file. Blended data sources.