I cannot able to use as one connection since am using the data source filter in my first connection have data source filter. I tried to recreate the data as close as possible. unsupported aggregation. If we are working with one data source that is not relatable or joinable (such as Google Analytics) you are not able to blend a secondary data source with logical tables to it. LOD Expressions will not be shown in the Data Source; When referencing a dimensionality declaration parameter, always use the parameter name and not the parameter value; With data blending, the primary data source's linking field must be in the view before you can use a LOD expression from the secondary data source. you are blending the 2 excel data sources - blending takes place after the structure for data table for the worksheet has been established - and that is done as you bring dimensions to the rows and columns and apply filters to those dimensions - you will not be able to filter across data sources except at the link after that pointđĄ Ability to switch primary and secondary data sources. When I create an additional calculated field in the primary data source with: COUNTD(Person ID) + COUNTD(Person ID), I receive the cannot blend the secondary data source because. LoadingWhen you try to add URL actions to dashboards, fields from secondary data sources cannot be added to the URL. you will get 5/22 date. In this case the cross. Ritesh Bisht (Member) 6 years ago. Open. You have a nice example to use for filing a support case, and I recommend that you do that. month([date])=month(Parameter. Step 2: Make it a context filter. Community Manager update. Primary and Secondary sources in data blending. Fee". 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. Filter each of the data sources independently on the more granular dimensions. I was now trying to use both calculations you did on a different sheet through data blending. So, in the dummy data, there are two tables from two data sources. Notice that Calc1 gives you an asterisk if there are multiple values returned from the secondary source. If you make sheet 1 as the primary data source and do the data blending with sheet 2. They both share a common field (State), and that is what I'm filtering on. - Go to Data > Edit Relationships to create the define primary and secondary data sources and the links - Drag and drop the linked field from the primary data source to use this field on the visualisation. This will be identified with a blue checkmark. Fields from the secondary data source used in the view have an orange tick. 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]). As we know the link cant be established unless we use this common dimension (Region Filter) in the view, we can mimic the view by adding the Region Filter Dimension to rows/Columns shelf and uncheck the show header. In your 2nd and 3rd data sources. We don't get row-level data from secondary sources on a blend. 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)]. I am just trying to filter every Data source, by choosing a field that every Data source has. Common field is the employee ID. See the attached updated workbook. Data blending has some limitations regarding non-additive aggregates such as COUNTD, MEDIAN, and. Observations : 1. To fix this, we had to add the fields being used in the blending relationship onto the view: Aside from a few of these, we didnât need to combine the data in very complicated ways. I'm using a cube data source as my primary and am attempting to blend with. 1. The data source with the KMs is the primary source. The blend applies to that worksheet only. I am trying to create a waffle chart. Marked as. It also means you cannot create a workbook using the. Drag the 2016 Population measure to the Columns. id, A. To alias field values. Tableau will throw an error: âCannot blend the secondary data source because one or more fields use an unsupported aggregation. 2 and later. Proj. good morning you have blended your data sources - data from the secondary source always comes to the primary and an aggregate so Budg_date needs to be aggregate with min max or attr but that will probably not give you the result you expect the data from the secondary source will come over as an * if there is more than one date filtered from that. 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. I am using tableau 2020. So you need to create a Date field in your Master Data Source, which is why I usedAlternative to CountD function in Blending. The problem is when I try to calculate the median of that same measure. In the calculation dialog box, do the following: In the name text box, enter Sales for Store - South. â Causes and Workarounds for a Blending Limitation Errors 1. " I have seen a few posts on it and found an issue logged about it as far back as version 8. You can create a federated database using linked tables/worksheets. But the source calc is a countD. Instead, the. Expand Post. 2) Use data source filters instead of the Filters Shelf. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. (It is a field that contains account names (company) in the sample data. The reason your blend breaks is that you're blending with Location as a linking field, so when you remove that from your view, Tableau can't blend any longer. Some examples include: session cookies needed to transmit the website, authentication cookies, and security cookies. No long-term contract. General Information. In short, Tableau connects to multiple data sources, sends independent queries to those data sources, and then combines (or âblendsâ) the aggregated results of the independent queries on a single worksheet. From my primary data source I have a dimension in columns say 'Customer Segment'. 2 came the introduction of a brand-new data model. I have 2 separate data sources that have similar fields. the branch field I'm using from the primary data source. Did some research on this and found plenty of "workarounds" with no success (like replacing COUNTD() with a LoD using AVG(# of Records))Workaround: Option 1: Instead of using Data Blend, please use Relationship to relate the data sources, and the "Only relevant values" option is available to show only existing values. See Join Your Data for more information. 1. The two data sources are identical. I am creating a couple of formulas to display the total booking from the second data source to the first data source. One on table it was all upper case on the other one it was a mix of upper and lower case. I have two data sets that are linked across Date and Product Category fields. All customer IDs are under a dimension called "Global ID". 1 because it can cause Tableau to unexpectedly quit. with blends, we are only able to support aggregates (like SUM, MIN, MAX. In Tableau Desktop, navigate to Data > Edit Relationships. 0 and 7. 1) Duplicate the field in primary datasource. The date values you want to blend on must exist in both data sources. Data blending is particularly useful when the blend relationshipâthe linking fieldsâneed to vary on a sheet-by-sheet. Whichever data source you "use first" in a view (by dragging in a field) becomes Primary. 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. CustomOverall (Primary) 2. 2) Use this duplicate field in the view instead of the original. 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". " The only fields used in the view are the date fields, to which I did a . Complex as the problem may be, the solution is comfortingly simple. It sounds like there might be some complications with a blend? Canât speak to whatâs happening thereAre you blending on [Endtimestamp]? By using the formula DAY([Endtimestamp]), you're changing the dimensionality a little bit. It takes advantage of the data collected from previous research and uses it to carry out new research. Also, after I get the total per PO Number, I want to get a remaining value that subtracts the Total Cost (from the secondary data source) from the Total per PO Number. You will need a common column between the two tables in order to blend. But I cant add filter Month from the Budget Excel file. 2) DB2 blending doesn't support non-additive aggregates like COUNTD() from secondary sources. The. 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. Unfortunately can't share the data, and can't come up with a mock cause I can't figure out what's not/is working as expected. Now try to recreate the sheet and link the 2nd and 3rd data. However, I still get that message saying cannot blend the secondary data source because one or more fields use an unsupported aggregation". 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. In order to create the waffle chart I am blending it with another datasource using the calculated field defined as [Week 5 (Week5Bond)]. Expand Post. Russell Christopher (Member) 10 years ago. See Troubleshoot Data Blending - Tableau for more information on this and other errors that may occur while using data blending. 1 Connected to Tableau Server as Main DS and Live Connection to an excel file as secundary DSStep 2: Bring summary data from the secondary data source into the primary data source. Non-additive aggregates are generally not usable when a secondary dimension appears on any Shelf or thereâs a linking dimension that is not in the view. 1, the ability to "Show Empty Rows" (or columns) was removed when you use a secondary data source. "cannot blend the secondary data source because one or more fields use an unsupported aggregation" Attached is the workbook that could provide more clarity on my question. Effective visualization. But I cannot for the life of me comprehend why the data blending would behave differently based solely on the chart type that was selected. newBranchProjection (Secondary) When I try to add COUNTD([DistrictId]) from my primary to text table. Observations : 1. * Blend in the summary of a large dataset to reduce query time. Marked as. Cannot blend the secondary data source because one or more fields use an unsupported aggregation . From my primary data source I have a dimension in columns say 'Customer Segment'. amount into the view, it gives me the correct sum. 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. Error: Cannot Blend the secondary data source because one or more fields use an unsupported aggregation. "Cannot blend data from the secondary data source with the data on this sheet because there are no linking fields used in the view" Expand Post. the branch field I'm using from the primary data source. Currently, data sources that contain logical tables cannot be used as secondary data sources for data blending. The data is blended on customer. "Cannot blend the secondary data source because one or more fields use an unsupported aggregation" I have tried the following calculations but have not been able to figure this out. So you don't get in the case of data blending. From my primary data source I have a measure in rows, say 'Measure, which is 'distinct count of Pol Number' or 'sum of Premium' depending on a boolean parameter's values (TRUE or FALSE) The unsupported aggregation happens when your aggregate requires row-level visibility to the secondary data source. Now we have to use W2 as Filter - to filter out the data. For more information,. Ambiente. CSS ErrorAfter Blending, Now it is showing this error: 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" Attached is the workbook that could provide more clarity on my question. This means a data blend canât be published as a data source for others to use. Here is the sample. Drag the State (group) dimension over the Region dimension on the Rows shelf to replace it. You can choose whether functional and advertising cookies apply. You can use data blending when you have data in separate data sources that you want to analyze together on a single sheet. A key difference with blending is that data is aggregated before being "joined" - you'll notice this when you include a column from the secondary source in a calculation in the primary source. 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. When I make the data source as Primary, I am able to see the respective values, Kindly see the below screenshot:- ï»ż But, when I consider this data source as secondary and then try to use it in primary data source sheet, I get this error:- Cannot blend the secondary data source because one or more fields use an unsupported aggregation. For more information, see Troubleshoot Data Blending; Blended data sources cannot be published as a unit. Also, data blending is useful for combining data from published. The unsupported aggregation happens when your aggregate requires row-level visibility to the secondary data source. Also I see that if you put [Corrected Date] from the primary source instead of the secondary source, it behaves with the group (and the calc. 2, Tableau introduces relationships and splits. Right-click in the Data window and then. There is a possibility that the values can be restricted from the secondary data. If that does not help,. " inner cross database join on BU Code with a data source filter set up on UPPER([ID])=UPPER(USERNAME()) on the DS2 source. In a blend, the secondary data source can only contribute aggregated values using the level of detail defined by the linking fields that appear in the view, so when you remove them, the. Select Default Properties > Sort. In the Data window, switch to the [data name2] data source. Next, create a table calc using the [Start KM] to calculate the total KMs: from Primary data source from Secondary data source. 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". Cannot blend the secondary data source because one or more fields use the == function, which cannot be computed locally. But since there are a few dates missing from the second data source i cannot blend on date as doing this will result in loosing data from Table 1. ×Sorry to interrupt. 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. Data blending is a method for combining data from multiple sources. 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". Cannot blend the secondary data source because one or more fields use an unsupported aggregation. 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. How ever # no of changes and # of Problems are calculating entire database values. I have two data sets: the first data set is a shp file from data. 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 the data window, the blue tick indicates the Primary data source (Sales in the image below). Place Organisation Identifier on the level of detail shelf (from the primary source, or both sources) and the blend should work. Your secondary data source does not have the blend activated, you'll need to click on the link and turn it red to activate:. 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. Aggregate the date fields at the MY. My goal is to show CY Actuals as bars, with a line for PY Actuals and a line for Budget. {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. So, to do Data Blending, the steps that I would suggest would be: - Connect to the data sources that you need to use. 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. While on a view, right click a data source, click replace data source. Which version of Desktop are you using? See attached the superstore workbook (. Option 1: Include all linking fields in the view, and aggregate secondary fields Data blending will work when the secondary data source uses logical tables, as long as the following conditions are met: All active linking fields from the primary data source must be included in the view on a shelf other than the Filters shelf Link Primary Source and all other secondary source on this Field Created from step 3- 4 using Edit Data blend Relationships 6. Fields cannot be used from the [name of secondary data source] data source, because there is no blend relationship to the primary data source. It is important to understand which is the primary source, it can impact. Filter each of the data sources independently on the more granular dimensions. There's no way to "swap. 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. Hi . Upvote. 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 . gov which displays certain regions in the US (a geometry field is auto created in tableau which allows me to create this map easily), the second data source is a data pull from a data warehouse holding lat/long coordinates of specific points (able to create a point via calculated tableau field using the make point function). Think of this layer as the Relationships canvas in the Data Source page. Data blending provides a way to combine data from more than one data source on a single worksheet. Some of the function doesn't work properly when we use blending like COUNTD(), LOD{} expression. 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. The first field you drop onto a worksheet defines the primary datasource. According to Tableau, this error can also appear when using a LOD expression in a blended view. How to tackle âCannot blend the secondary data source because one or more fields use an⊠How to tackle âCannot blend the secondary data source because one or more fields use an unsupported aggregationâ while blending Multiple data sources. Credits to Jonathan Drummey for the below workaround Cannot blend the secondary data source because one or more fields use an unsupported aggregation . I am blending dates in the secondary data source to dates from the primary source and looking to get a distinct count of the customer code from the secondary data source. Use blends when:. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. It throws me cannot blend secondary data source one or more becuase one or more fields use unsupported aggregation . Cube data sources do not support pass-through connections. LOD will not work if it is from the secondary datasource. Data blending works only as a left join. 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. Primary Data Source: Contains a list of all employees and their role. Case 1: If you are facing this issue before report is been developed then try to use data source filter to limit the data flow and finish the development. Secondary data source: (excel) master zip file with ~40k rows (all US zips) - each zip is tied to a territory I am looking to add the territories from the master zip to territory file as a filter. 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. All the data is in the secondary/blended data source. I am using blending and created Relationship but i am having problem in terms of getting distinct count from one of the data sources. Can anybody please help me with a solution. This means that when a cube data source is published, you cannot make a connection from Tableau Server using the data source. Call it [Start KM]: IF ATTR ( [KM Date])=ATTR ( [OIL]. Final Words. Please refer the below link and let me know if this helps to you. Data blending is particularly useful when the blend relationshipâthe linking fieldsâneed to vary on a sheet-by-sheet. g. I have 2 published datasource and i think i cannot perform JOIN, LOD and COUNTD. I've attached my workbook that contains 2 data sources that are blended by invoice number. So the only way, it was possible was to connect one of the data sources with a calendar table joined with previous year and then blend it against the same data to get the Current Year and Same Period Last Year values in a single view. Ken Flerlage (Member) 5 years ago. I have a calculated field in the Excel data source that returns a binary 1 if the username matches the list in Excel for the facility ID and a 0. Thanks. They cannot be used as secondary data sources. Excel 1 pc. Option 2: Create a calculation using WINDOW_SUM() Drag the linking field(s) from the secondary data source to. Secondary data sources cannot have logical tables (except when they satisfy specific conditions). Data blending is particularly useful when the blend relationshipâthe linking fieldsâneed to vary on a sheet-by-sheet. Change the default sort order of the field using the various options, and then click OK. I have two data sets that are linked across Date and Product Category fields. I am trying to determine the Average Revenue per User by country for which my calculation is total revenue/unique subscribers. - Dataset 1, records the amount spent on ads as "Cost" - Dataset 2 records the revenue generated by orders as "Proj. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. For more information, see Use Relationships for Multi-table Data Analysis. They must be in the same format. order_date = B. While on a view, right click a data source, click replace data source. 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. If we are working with one data source that is not relatable or joinable (such as Google Analytics) you are not able to blend a secondary data source with logical tables to it. Modify the calculation to not use table functions;. The relationship is on the facility ID. Another table is a a table that contains key fields such as date, region, location and hardware id (dimension). I get around it by adding "max" in front of the first one again, and it says calculation is valid, but once I try to add it to the view it gives the error "Cannot blend the secondary data. 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". We use three kinds of cookies on our websites: required, functional, and advertising. Instead, publish each data. Currently, I have to rebuild the worksheet and bring in the secondary source first. I want to display all values for all different data sources, and use them as filters, and filter the relevant records from both datasources at the same time. (I created calculated fields "Fiscal Year" and "Fiscal Month" on my secondary Superstore example to simulate this. This feature would be really useful to ensure we can. if that is the case I could get same results by joining 2 data sources just by linking Area and Qtr not all 4 and without using LOD for secondary data source i. For example, sheet A uses data source 1 as the primary data source; sheet B uses data source 1 as the secondary data source. You cannot filter data across secondary data sources. Are use of grouped fields not allowed in data blending? I have two data sources: Opportunities and Products. The data are sorted, but each row only shows one month of data with the other five columns blank. Data from secondary data sources must always be aggregated in calculations. The aggregation is all on primary source data. One small workaround which you can do is: 1) Create a calculation as {Max([Date])} 2) Create a parameter as follows: 3) Create a calculation as . "Budget" is only contained in an Excel file data source. Chicken + Choice of Drink1 pc. 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. Expand Post. 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 brings in additional information from a secondary data source and displays it with data from the primary data source directly in the view. Identify your data sources for common data types: both data sources must have a string or date field for linking data sources. "Filtering Across Multiple Data Sources Using a Parameter; Cause A sheet cannot be filtered by a field from a secondary data source. ) If only one of the tables requires row level information, consider making that the primary data source in the blend (I. Become a Better Analyst in Just 5 Minutes a Week. I have two datasets; one is a shape file that contains regions and locations. COUNTD is tough to work on while you. AUMTable (Secondary) 3. I am trying to use the measures name filter functionality with two data sources. Hi, Because we can't see the entire picture, no detail in the view of the connected data sources, the workbook, etc. If this aggregation is ATTR() then the grand totals may be blank. Hi Kurt! No, not really. Secondary data source has Order Date represented as separate Year and Month fields. ) A LOD calc is also trying to do stuff at the row level. How do I blend these data sources by year? - The Tableau Community. Filtering data across a worksheet's secondary data source is not currently supported in Tableau Desktop. Please see if it helps , here it says that problem is with COUNT & they have provided one alternative way as well . 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. Upvote Upvoted Remove Upvote Reply. Build whatever calculated fields from the secondary that need to be used in in the primary. Overall LOD will show correct result in Primary datasource. In this example, Superstore Sales is the primary data source and Coffee Chain is the secondary data source. [% age]>=SUM([Percentage]) . We cannot publish a blended data source as a single data source on the server. Unknown file type Total from Secondary Data Source. 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. Data sources can contain logical tables not be used as secondary data sources for data blending. 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 Did some research on this and found plenty of "workarounds" with no. I am confused, as I am not even trying to blend Data from both Data Sources. I am trying to use the below formula instead of countd function because my data comes from Impala. You cannot filter data across secondary data sources. IF min([Current Period ]) = true then [Display Sum Media Cost] end / sum(IF [Current Period ] = true then. 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. If you create a quick filter on a field from data source 1 and apply this. [OIL DATE]) THEN MIN ( [KMs]) END. And I use Join data source, after divide measures / row duplicate. Data blending is particularly useful when the blend relationship. {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. It is important to understand which is the primary source, it can impact your view. I'm trying to show a distinct count of claims by branch. While using blending data source some of the function doesn't perform well in calculation like COUNTD(), LOD{}, MEDIAN() etc. One small workaround which you can do is: 1) Create a calculation as {Max([Date])} 2) Create a parameter as follows: 3) Create a calculation as . When you drag a field from a secondary data source to the view, you might see a warning that says: Fields cannot be used from the [name of secondary data source] data source, because there is no blend relationship to the primary data source. A COUNTD of Order ID should be all I need to show this data but it always results in a "Cannot blend the secondary data source because one or more of the fields use an unsupported aggregation". Loading. A data blend cannot filter on dimensions that do not exist in the Primary data source. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. 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. đ„Check my Websiteđ„ Troubleshoot Data Blending in Tableau Part 2 here SHOP After you have used the secondary data source to provide aliases for the primary data source, you no longer need the secondary data source and can close it. Loading. The secondary data source just pulls in some names to associate with ID numbers in the primary and some filters for the staff data. Current Year Actuals and Prior Year Actuals are housed in a corporate transnational data source. Upvote. Error: Cannot blend the secondary data source because one or more fields use an unsupported aggregation I have a primary data source coming from a published data extract blending with a secondary data source coming from an Oracle Database. 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. [Field_Name]":"Value_to_filter" in the Options will not work. Option 1: Include all linking fields in the view, and aggregate secondary fields Data blending will work when the secondary data source uses logical tables, as long. In the formula text box, type the ZN function, the SUM. 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. We use three kinds of cookies on our websites: required, functional, and advertising. Using Tableau; Upvote; Answer. AUMTable (Secondary) 3. month([date])=month(Parameter. â We use three kinds of cookies on our websites: required,. We cannot use ATTR if trying to create an LOD type calculation if blending data sources. "Cannot blend the secondary data source because one or more fields use the / function, which cannot be computed locally. 4, I tried to blend products (secondary) to storefront (primary) based on Sku. Cannot blend the secondary data source because one or more fields use an unsupported aggregation" when Data Blending. I can't do a join because they are two different file formats. When blending in Tableau, there is always a primary source and a secondary data source. CSS ErrorCannot blend the secondary data source because one or more fields use an unsupported aggregationFollow this link for more information:the secondary data source always has to be aggregated, there's no way to do a row level check to filter out any dimension members that match between the two data sources. - Dataset 1, records the amount spent on ads as "Cost". A datetime field may be converted to a date field using a calculation to remove the time portion. 3 and I have created aggregates AGG for fields from data extract and excel file. E make table 2 the primary. 2, users would define joins and unions between physical tables in which Tableau would create a singular, flat table for analysis. This type of bases does not allow for blend relationship, therefore, you cannot use a filter like this. This would be a great time saver, with all of the calculations and linking changing as well. Blending your Data in Tableau. CustomOverall (Primary) 2. Data blending is a method for combining data from multiple sources. data source. If you want to filter data across secondary data sources, consider. The secondary data source consists of 1 Fact table (Agg_ActualVsExpected) and 4 Dim tables, one of the Dim tables is Dim_Service, whose primary key is Service_Id, which appears also in the Fact table. 3 and I have created aggregates AGG for fields from data extract and excel file. âCannot blend the secondary data source because one or more fields use an unsupported aggregation. To blend on summary data, you can do the following: Create a. I get error: âCannot blend the secondary data source because one or more fields use an unsupported aggregation. I use the Opp ID to relate them. Resolution. The only workaround I can think of is to put the course code onto the level of detail shelf, but that means that what appear to be solid bars are actually stacked bars. * Supplemental data from a secondary data source is needed. If there is another. Here is an example of what I am trying to accomplish:Data blending is a method for combining data from multiple sources. I have 2 data sources, A and B, they are linked by data blending with A. I have two data sources to be used but need the count distinct of users from both the data sources. The version I am working with 10. The default view that you first see in the Data Source page canvas is the logical layer of the data source. Data coming from a secondary source is ALWAYS aggregated at the level of the link - even if there is 'no need to add anything' that's just the way blending works - it happens after the data table dimensions are set and you are loading values into the data table for the individual worksheet 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 relationship - not. Filtering data across a worksheet's secondary data source is not currently supported in Tableau Desktop. "Cannot blend the secondary data source because one or more fields use the == function, which cannot be computed locally. COUNTD - Blended data. Because in Tableau, you don't use COUNTD function when Blending data source. Upvote Upvoted Remove Upvote Reply. Beyond that personally I tend to do the work necessary to avoid using data blending in production data sources & views. In the Add/Edit Field Mapping dialog box, select the date fields from the primary and secondary data sources, and then click OK twice. Please check the attached workbook for details.