1. I am confused, as I am not even trying to blend Data from both Data Sources. Expand Post. Please find the complete blog here ----> COUNTD with secondary DS Tableau(Blending) Workbook is attached. A datetime field in the primary data source, for example, will not blend with a date field in the secondary data source. No. Tableau automatically adds an aggregation (SUM) around the column from the secondary source. Because in Tableau, you don't use COUNTD function when Blending data source. COUNTD is not possible with Secondary datasource at Tableau (BLENDING) , below is one of the workaround that I would like to share (Maybe there are Many * Many ) I got one query at Tableau forum recently & below is based on the same . 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. Assuming that's what's going on, there's the question of how to work around this. 1. The Products set contain the individual products within an Opportunity whereas the Opportunities set contain Sales metrics (i. I would like to ask for your help, I do have two data sources: BI Cube (primary source) & Excel file (secondary) BI Cube Data 1 pc. 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. The two data sources are identical. 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. You are trying to bring fields from a second data source into a calculation that is being created in the primary (first) data source and aggregations are not consistent - data from the second source comes over as an aggregate - look into what the aggregation is on and how does that relate to what you have in the primary data baseI'm trying to blend two data sources on a single field, say 'Program Description'. Not able to share for time being. The reason of the errors being unsupported calculation in blend. IF min([Current Period ]) = true then [Display Sum Media Cost] end / sum(IF [Current Period ] = true then. 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. I have two data sets: the first data set is a shp file from data. The date values you want to blend on must exist in both data sources. 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. The concept of data blending is, for every match in the primary table there should be exactly one row item in your secondary table, in the view of this concept any aggregation on the secondary table will always be distinct by default. Because there are no linking fields in this view. I cannot change the case of the data to upper or lower. [tier] == 0 then "Low vendors" elseif max [Secondary]. One of the Dimension which is part of the Relationship between Primary and Secondary Data Source is being used in Filter and the same field cannot be displayed in Report as it changes the Level of grain of the reportIm using two data source to develop the workbook. Modify the calculation to not use table functions;. 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. So make sure you're not using such function while blending. Community Manager update. Moreover, blending is a kind of left join, not exactly a join. 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. COUNTD - Blended data. In this source create a calculated field to pull out the KMs on the date of oil change. Open. Hello Everyone, I am using one data source which is a LIVE connection and I have duplicated same data source , the reason behind duplication is i want to have total of category which will be constant and it will not. This is the final step and will result in filtering between the blended data sources at your desired level of granularity. Call it [Start KM]: IF ATTR ( [KM Date])=ATTR ( [OIL]. All data from a secondary source comes back as an aggregate -- even if there is only one value from the secondary source. In the data window, the blue tick indicates the Primary data source (Sales in the image below). Someone in the Community told me the following: "MAX isn't supported in. Now you see a new group field listed in the Population data source (primary) called State (group). 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. Give the action a sensible name and configure the action. the blended data cannot be published to Tableau Online or Tableau Server. Overall LOD will show correct result in Primary datasource. 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. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. Hi Data Modeler , I have an idea which I cannot test right away. Remove all dimensions from the secondary data source and ensure that the primary data sourceâs. If you create a quick filter on a field from data source 1 and apply this. From Primary Data Source drag the measure names and measure values . 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". Upvote Upvoted Remove Upvote Reply. 1) When we add fields from secondary data sources to a view Tableau âjoinsâ the data as part of the blend on one or more linking dimensions. In data source A, I have COUNTD(Person ID) and in data source B, I have COUNTD(Person ID). Think of this layer as the Relationships canvas in the Data Source page. " Is there a way to circumvent this issue? Or perhaps a different method entirely. 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. The first field you drop onto a worksheet defines the primary datasource. This type of bases does not allow for blend relationship, therefore, you cannot use a filter like this. I've created the first chart with no problem, but I. 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. From what I understand, it's because the link variable must be present in the view, or else it does not work. While on a view, right click a data source, click replace data source. Data blending is a good option when you have multiple data sources that cannot be combined through relationships. Error: Cannot Blend the secondary data source because one or more fields use an unsupported aggregation. Tableau Desktop & Web Authoring. I'm noticing you are using the Date field from the secondary data source you are working with. [Cash PTM]) Else [Null] ENDIn your example, this doesn't work, because your primary data source needs to be Master Store List, because you want to list all the store IDs. 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. 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. We use three kinds of cookies on our websites: required, functional, and advertising. The date values must be in the same format. Upvote Upvoted Remove Upvote Reply. Blending with CountD and LODs. My goal is to show CY Actuals as bars, with a line for PY Actuals and a line for Budget. The relationship is on the facility ID. then i added a secondary data source from google sheet , which has the fuel amount. Does anyone have any Ideas how I can apply a universal filter to 5 different unrelated data sources? Applies to: Tableau Cloud, Tableau Desktop, Tableau Server. thanks. There's no way to "swap. duplicate the date field. This link might help you: Cannot blend the secondary data source because one or more fields use an unsupported aggregation. . In the Add/Edit Field Mapping dialog box, select the date fields from the primary and secondary data sources, and then click OK twice. E make table 2 the primary and table. The solution. blending takes place in step 6 of the Order of Operation after all the context and dimension filters have been applied - you will not be able to filter across the data sets after that point - you would need to have joined data or use a relationship The issue comes when I try and add a metric that is an aggregate of the two different sources. If you want to filter data across secondary data sources, consider. For more information, see Troubleshoot Data Blending; Blended data sources cannot be published as a unit. I get error: âCannot blend the secondary data source because one or more fields use an unsupported aggregation. When Bugs History is a live connection to Vertica living inside my workbook all is well. e. Currently, data sources that contain logical tables cannot be used as secondary data sources for data blending. Maxdate) There is one more way, make the datasource which is using the fixed calculation to. LOD calculation and blended data sources. 4. The success of BI projects depends on an organization's choice of BI solutions and the vendorâs ability to deliver relatively rapid and successful implementations, along with supportive. Become a Better Analyst in Just 5 Minutes a Week. Tableau has two inbuilt data sources named Sample-superstore and Sample coffee chain. "Filtering Across Multiple Data Sources Using a Parameter; Cause A sheet cannot be filtered by a field from a secondary data source. You cannot filter data across secondary data sources. 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. 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. It also means you cannot create a workbook using the. The chart should display: countd. Selected as Best Selected as Best Upvote Upvoted Remove Upvote 1 upvote. See Join Your Data for more information. The primary data source is just to filter for the invoices I want to look at. Make sure that you are blending on dimensions present in the view or on all of the. See Join Your Data for more information. I have the same issue, but Primary Data Source is a Tableau Server Data Source (I do not have direct access to the database), and Secondary Data Source is an excel flat file. Community Manager update. with blends, we are only able to support aggregates (like SUM, MIN, MAX. Data blending provides a way to combine data from more than one data source on a single worksheet. Data blending has some limitations regarding non-additive aggregates such as COUNTD, MEDIAN, and. CSS ErrorHi Mavis Liu. The date values you want to blend on must exist in both data sources. From what I understand, it's because the link variable must be present in the view, or else it does not work. Common warnings and errors when blending data sources No relationship to the primary data source. Now, in dashboard D1 : has two worksheets W1 and W2. Currently, data sources that contain logical tables cannot be used as secondary data sources for data blending. But when I am trying to do that I am getting an errorThe issue comes when I try and add a metric that is an aggregate of the two different sources. 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. I'm using a cube data source as my primary and am attempting to blend with. Both Primary and Secondary data sources have duplicate rows due to multiple joins in data prep. Functional cookies enhance functions, performance, and services on the website. I am trying to blend the same data against the other because I wanted to show Same Period last Year. I am using tableau 2020. FIXED requires that you have row-level access to the rows in the secondary source. Instead, publish each data source separately (to the same server) and then blend the published data 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". In your 2nd and 3rd data sources. e. 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. This field works but when I want to add in my Fianl Dashboard I have this message "Cannot blend the secondary data source because one or more fields use an unsupported aggregation" Moreover my first and secondart data sources are linked by the "Sales ID", but this field is not displayed in the final Dashboard. From what I can tell, joining on Tableau Server Data Sources has been a requested feature for 6 years (Idea: Ability to join Tableau Server data sources). Expand Post. I've attached my workbook that contains 2 data sources that are blended by invoice number. The unsupported aggregation happens when your aggregate requires row-level visibility to the secondary data source. 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. . Unknown file type Total from Secondary Data Source. I can't do a join because they are two different file formats. Also, in the attached I have added both Calc1 and Calc2 to the tooltip in Sheet 9. Data blending is a method for combining data from multiple sources. I am trying to determine the Average Revenue per User by country for which my calculation is total revenue/unique subscribers. 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. I tried to recreate the data as close as possible. 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. newBranchProjection (Secondary) When I try to add COUNTD([DistrictId]) from my primary to text table. The data in the primary data source is the main data on which Tableau defines graphs and charts. e. Tableau will throw an error: âCannot blend the secondary data source because one or more fields use an unsupported aggregation. the count of claims I'm getting from the secondary data source, by counting distinctly a measure called claimid. Loading. Another sheet:W2 is created with Data source A - taking Role in Row shelf. png - Ben-Sullins's library "Cannot blend the secondary data source because one or more fields use an unsupported. However, when I follow your advice, each group splits into 6 rows (one for each month - January through June). Hi, I have a scenario where I have to use Data Blending option to get certain metric values from Secondary Data Source. Verify if one of the measures coming from the cube data source has a default aggregation different than SUM, MIN, MAX, COUNT. The limitation with Tableau and secondary data sources stinks. Select Default Properties > Sort. However, when the linking dimension is not in the view, non-additive aLoading. So you need to create a Date field in your Master Data Source, which is why I usedAlternative to CountD function in Blending. Thanks for your help everyone! I've found what was happening: I had some filters on the secondary data source. 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). If I cant go the above way then is there a possibility to do the duration calculation using table calculations or some other way. Twb, . But I cant add filter Month from the Budget Excel file. In blending data source, I try to slove problem but I can't. 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. Are use of grouped fields not allowed in data blending? I have two data sources: Opportunities and Products. 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. Let say from DS1 if i am making it as primary datasource then i can get the. A secondary data source can be used to re-alias the field values in a primary data source. Step 2: Make it a context filter. 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. 0, but I imagine someone has been able to identify what is causing the issue. When I try to graph the distinct count of project ids vs the VendorClass, however, I see every project getting the. Aggregate the date fields at the MY. "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. "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. Identify your data sources for common data types: both data sources must have a string or date field for linking data sources. Loading. You cannot filter data across secondary data sources. Non-additive engine are entirety functions that errichten outcomes that cannot be aggregated along a dimension. Data blending have some limitations regarding non-additive total such like COUNTD, MEDIAN, and RAWSQLAGG. Jim. Filter each of the data sources independently on the more granular dimensions. Some examples include: cookies used to. Left. All customer IDs are under a dimension called "Global ID". Data blending tools can present their findings as visualizations, such as infographics and charts, after querying data sources and aggregating relevant information. Does anyone know if there is a way around this or can you only create a blending whit datasources that were created the same way? I appreciate your help. Also, data blending is useful for combining data from published. This is the response I received from Tableau Support:Cause. With the recent release of Tableau Desktop 2020. 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. [OIL DATE]) THEN MIN ( [KMs]) END. 2 came the introduction of a brand-new data model. Cannot blend the secondary data source because one or more fields use an unsupported aggregation . First data source looks like below. 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. But I cant add filter Month from the Budget Excel file. The two data sources are identical. Hi Kurt! No, not really. Cube (multidimensional) data sources have certain characteristics that make them unique in Tableau. Call it [Start KM]: IF ATTR ( [KM Date])=ATTR ( [OIL]. 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. An orange tick indicates a secondary data source (Promotions). 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. This is interesting. While itâs possible to aggregate the 1-to-many data source in the custom SQL, this can be time consuming and will require more edits when data sources change. Observations : 1. This feature would be really useful to ensure we can. - Dataset 1, records the amount spent on ads as "Cost" - Dataset 2 records the revenue generated by orders as "Proj. Data blending is particularly useful when the blend relationship. The Products set contain the individual products within an Opportunity whereas the Opportunities set contain Sales metrics (i. Another table is a a table that contains key fields such as date, region, location and hardware id (dimension). Data blending is a method for combining data from multiple sources. The value gets reduced based on filters@@@ from all data source. . To fix this, we had to add the fields being used in the blending relationship onto the view: If attempting to use COUNTD in a secondary data source when blending, see the following additional workarounds: If Tableau Prep cannot be used, see: Getting around Count Distinct in a secondary data source (third party website) Creating a primary group: Bring a Field into the Primary Data Source in Tableau Help Sorted by: 2. In data blending, there is a primary data source and a secondary data source. In the secondary data source, select Data > Create Calculated Field. Sometimes , it's automatically working but sometimes it says 'Unsupported Aggregation' . Instead, publish each data source separately (to the same server) and then blend the published data sources. I made a waffle chart grid using an excel data source that contains 3 fields: Rows, Columns and Percentage. As 'Group' is from a secondary data source, I cannot simply use the sort buttons. "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. Use the geographic role in the primary data source on detail instead of the dimension from the secondary data source. Now the nightmare starts: when I try to add the data source B and make all the relationships, it gives me the lovely error: "Cannot blend the secondary data source because one or more fields use the ZN function, which cannot be computed locally. I have 2 duplicate data sources that I am blending together (they are duplicate because I want to filter the same data source 2 different ways but show it in. Here is situation I am facing, I have blended two data sources and created a worksheet. Any help would be appreciated!Also a data blend is only a LEFT join. Cannot blend the secondary data source because one or more fields use an unsupported aggregation. Here is an example of what I am trying to accomplish:Data blending is a method for combining data from multiple sources. The default view that you first see in the Data Source page canvas is the logical layer of the data source. 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). {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. In your case, you're after the Total Cases by Employee, so just imagine Employee in place of Category. I have 2 separate data sources that have similar fields. To provide comparative data: Secondary data can be used to compare and contrast findings across different studies or datasets. 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. I have two data sources and doing a data blend. No long-term contract. For example, COUNTD(). Data sources can contain logical tables not be used as secondary data sources for data blending. IF ATTR([Offer Status]) = "Hired" Then AVG([Comp_File]. Option 2: Create a calculation for a more dynamic sort. I have two data sources and I have blended them together. twbx. Some examples include: session cookies needed to transmit the website, authentication cookies, and security cookies. I think I need to define the relationship between the data sources. While using blending data source some of the function doesn't perform well in calculation like COUNTD(), LOD{}, MEDIAN() etc. You can use data blending when you have data in separate data sources that you want to analyze together on a single sheet. I noticed there was an issue using Data Blend from 3 different source. cannot blend secondary data source because one or more fields use an unsupported aggregation beacuse of LOD. I have three different data source . In the secondary data source, select Data > Create Calculated Field. BR, NBBlended data sources cannot be published as a unit. Filtering data across a worksheet's secondary data source is not currently supported in Tableau Desktop. CSS ErrorData blending is based on two key components- Primary data sources and Secondary data sources. Tableau Desktop 2018. 1) Vizible Difference: Getting around Count Distinct in a secondary data source. When on the dashboard, click on the âDashboardâ drop-down and select âActionsâ. Some of the function doesn't work properly when we use blending like COUNTD(), LOD{} expression. You want to apply a filter to related data sources - which is an option if multiple data sources have a field with the same name and data type, or if you define explicit relationships between data sources from the Data menu. So, basically, I am having issues with 2 calculations - the FIXED LOD and Remaining Value. A datetime field in the primary data source, for example, will not blend with a date field in the secondary data 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. 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. , it's difficult to determine; however, what you could do is click on each data source and if you see a chain link that is solid and not broken where fields might be related/blended in the tables below, then click the icon to unlink it. i. if you have blended data sources you can not use lods One of the drawbacks of blended sources . 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. Loading. Good morning . Hi . One on table it was all upper case on the other one it was a mix of upper and lower case. In the Data pane, select the Store - North data source. you get all data from main data source and ONLY matching data from secondary data source. I have 2 published datasource and i think i cannot perform JOIN, LOD and COUNTD. We cannot use ATTR if trying to create an LOD type calculation if blending data sources. We use three kinds of cookies on our websites: required, functional, and advertising. Data blending has some limitations regarding non-additive aggregates such as COUNTD, MEDIAN, and RAWSQLAGG. CustomOverall (Primary) 2. I have a Remaining Value calculation, but it is not correct. Select Custom in the relationships list, and then get Attach. In the Data window, switch to the [data name2] data source. To 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). 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. Then, after data blending, the final graph cannot show the data related to the South and East. In the Add/Edit User Mapping dialog crate, do the following: Select a select by the primary your data. 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. Resolution. CSS ErrorLoading. If you create a quick filter on a field from data source 1 and apply this quick filter to. Please refer the below link and let me know if this helps to you. CSS Errorthe 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 - JimThe secondary data source hasn't been changed and the groups work as filters. Hello Jim, Thank You for your reply. The secondary data source need to be my transaction file and primary data source need to be my budget file. Data blending is particularly useful when the blend relationshipâthe linking fieldsâneed to vary on a sheet-by-sheet. 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. Upvote Upvoted Remove Upvote Reply. 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. 3 and I have created aggregates AGG for fields from data extract and excel file. How to calculate Delta value. Answer. But there are few workaround for it. 2) Use data source filters instead of the Filters Shelf. Data source A has Role Column and Data source B also has Role Column. 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. Does the. Hope this helps kindly mark this answer as correct or helpful so that it will help others . Viz cannot be filtered with secondary data source filter before loading the visualization so using "[DS_Name]. 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. Few things you need to keep in mind while blending data sources in tableau. I have two data sources to be used but need the count distinct of users from both the data sources. Data source filters. Option 2: Create a calculation using WINDOW_SUM() Drag the linking field(s) from the secondary data source to. Can anybody please help me with a solution. I use the Opp ID to relate them. Primary and Secondary Data Sources in Tableau: To perform blending in a Tableau sheet, there should be at least one secondary data source. Secondary Data Source: Extract W. 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. Build whatever calculated fields from the secondary that need to be used in in the primary. If the user select May 2018. It sounds like there might be some complications with a blend? Canât speak to whatâs happening there Are you blending on [Endtimestamp]? By using the formula DAY([Endtimestamp]), you're changing the dimensionality a little bit. 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". Use blends when:. But I cant add filter Month from the Budget Excel file. General Information. From my primary data source I have a dimension in columns say 'Customer Segment'. I use the Opp ID to relate them. Cube data sources do not support pass-through connections. Expand Post Using TableauThe secondary data source is indicated with an orange check mark on the data source and an orange bar down the side of the Data pane. Now we have to use W2 as Filter - to filter out the data. The version I am working with 10. e. You can choose whether functional and advertising cookies apply. "Cannot blend the secondary data source because one or more fields use the == function, which cannot be computed locally. Tableau v8 added a new style of data blending (DB2) where the linking field does not have to be in the view. You combine data in the logical layer using relationships (or noodles). We would like to show you a description here but the site wonât allow us. since i want only offername from secondary source to the view and the measures are produced from primary datasource is pos_trn. Instead, publish each data. However, some days will have entries for "Cost" but not for "Proj. Before I check Date filters, I got this results. â Causes and Workarounds for a Blending Limitation Errors 1. I want to do a basic data listing showing customer, order no, postcode & vat exempt. LOD (exclude) - Filtering using a different data source I've used LOD (exclude) to create a % of total calc field (and then created a moving average off that). Fee - Cost) over time. 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. I am just trying to filter every Data source, by choosing a field that every Data source has. Cannot Blend Secondary Data Source - Unsupported Aggregation. Currently, I have to rebuild the worksheet and bring in the secondary source first. I tried data blending keeping File C as primary and A & B as secondary data source with DD number as relationship. Current Year Actuals and Prior Year Actuals are housed in a corporate transnational data source. I am trying to use the measures name filter functionality with two data sources. 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. 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. Limitations of Data Blending in Tableau. Expand Post. Another way to approach this is to do a join of the data outside Tableau via a federated data source. " inner cross database join on BU Code with a data source filter set up on UPPER([ID])=UPPER(USERNAME()) on the DS2 source. Data blending works only as a left join. "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. e. Which version of Desktop are you using? See attached the superstore workbook (. 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. To blend on summary data, you can do the following: Create a. In this example, Superstore Sales is the primary data source and Coffee Chain is the secondary data source. Data blending: Cube data sources can only be used as the primary data source for blending data in Tableau. Russell Christopher (Member) 10 years ago. 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. Filter each of the data sources independently on the more granular dimensions. The secondary data source will have an orange checkmark on it. 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. This is a dynamic way to make data in sets stand out and gain greater real-world context for users. Cannot blend the secondary data source because one or more fields use an unsupported aggregation issue. I can add to filters from the data extracts.