Questions tagged [tableau-prep]
56 questions
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Tableau Prep Builder 2021.4.4 Error: Unable to run input node: Wait for cache write operation has terminated due to a failed write
I started receiving this error recently while running the same flow that I have been running every month for the past year. This is the error that I have been getting "Unable to run input node: Wait for cache write operation has terminated due to a…
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column data type (int to bigint) change impact on tableau reports
We were using tableau as BI tool and in one of the reporting database (mysql) all the ID integer fields data type getting changed from int to bigint.
We anticipate no impact on tableau reports and to be on safer side, planning to test few existing…

Prdp
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Data structure for tableau: replace only some rows (dates) via filter for n number of cases/scenarios
I am using Tableau Desktop and Tableau Prep. In best case I can solve this issue in Prep to optimize the dashboard performance (and Prep is able to execute custom SQL for instance). Nevertheless: if there is an easy solution in Tableau Desktop this…

funkfux
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calculating attrition rate over time per different attributes in Tableau
I need help with a project I am working on in Tableau. I have a cvs file which I can load in Tableau. I need to calculate the attrition rate of different attributes such as gender, age etc. Someone please help me with that. I have been trying it for…

Nature Story
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filter by year tableau
I want to bring out the Top 5 users by profit by year
But for some reason it shows the total amount of profit, tell me how to fix it, please

Nikita
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How to "untangle"/"unpivot" a comma-separated list into a flat table?
I'll try to be short.
I have a table like that on the Left-hand-side (Firms is a unique list of IDs, and the second column is a comma-separated list of portfolio company IDs), and I need to untangle it into a table like on the right-hand-side so…
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PARTITION by Two fields in Tableau
This is an Answer to question "ROW_NUMBER and PARTITION BY in Tableau".
{PARTITION [A],[B]: {ORDERBY [C]:ROW_NUMBER()}} generates an error.

Boomer67
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I have a Tableau Prep error fix involving setting an environment variable, and I don't know what that entails
I am using a python script in Tableau prep, and this error keeps popping up:
System error: Failure loading FedOp: D:\tc\work\maestro-2021-2\g_pc\modules\platform\tabcore\main\parser\DataValueParser.cpp|`anonymous-namespace'::TupleParser::Parse|181…

sanminchui
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ELSE IF statement in Prep "Valid" but data is blank. Example Below
I am connecting my tableau server to my prep flow, everything looks good! However, once I want to create a new column with a calc field (a column not in my original data source) the formula shows up as "Valid" but the columns are blank. The formula…

seth
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Tableau Prep - System error: AqlProcessor evaluation failed: No more data to read from socket
My Tableau prep was updated to 2021.4 this morning. After the update, a flow of mine started encountering an error when refresh. The error message is "System error: AqlProcessor evaluation failed: No more data to read from socket". I was able to…

Larry
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Tableau hide parameter header when parameter value is "hide"
I have a tableau table that looks like below
Here, I have created 3 parameters (and corresponding calculated fields).
a) Level_1_selected_dimension
b) Level_2_selected_dimension
c) Level_3_selected_dimension
Each of the parameter has a value called…

The Great
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