As you know I am a very big fan of Dataflows. The biggest ask from me was always the ability to trigger the Dataflow refresh on demand from a Power App. Initially, Dataflows you could only run from the maker portal. You need all sort of "powerful" security roles and permissions to do so. Dataflows… Continue reading Dataflows for Power Apps: run import from the app
Getting data from a function in an on-prem SQL server via Gateway in Power Automate
Dataflow magic in Power Automate. SQL with Power Query in Power Automate. Did you know you can do this?
“We are screwed!”
me at the moment of technology induced panic
That was the feeling when I saw the below error messages.
The client’s setup is an on-prem SQL server exposed to the cloud via an on-prem Gateway. It works perfectly fine for exiting Dataflow integration, but this time we needed data from a function in Power Automate.
Now problem, you can use SQL server connector, right?
Almost (but yes, if you read this post or knew before).
Set back #1
You cannot use “Execute a SQL query (V2)” with an on-prem gateway connection. Not supported!
Sure, let’s then use “Execute stored procedure (V2)”.
Set back #2
Apparently, you cannot return dataset from the function. Can call it if it was just a function or procedure without return value. But if it returns data – bad luck!
Panic mode on!
Wait, but what if…
Power Query to the rescue! Again.
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Dataflows for Power Apps: calling a table-valued SQL function with Power Query
It's very easy to query SQL table-valued function to retrieve the result with Dataflows. This is how we do this. Let's connect to a database. It will work via gateway as well. Select your function. Pass the parameter if required. Now you can use this table to merge with other tables or map and load… Continue reading Dataflows for Power Apps: calling a table-valued SQL function with Power Query
❤ Dataflows for Power Apps ❤: “The column ‘[Column_name]’ of the table wasn’t found.” error while loading multiple tables
There is an option to load data to multiple table in one go in Dataflows. These tables can be related. Dataflow engine calculates the dependencies and determines the correct order for loading. It's a very cool functionality, however, you have to be aware of some potential issues as well as available workarounds. Problem: I am… Continue reading ❤ Dataflows for Power Apps ❤: “The column ‘[Column_name]’ of the table wasn’t found.” error while loading multiple tables
Dataflows for Power Apps: transform fixed-width text files
What is a fixed width text file? Data in a fixed-width text file is arranged in rows and columns, with one entry per row. Each column has a fixed width, specified in characters, which determines the maximum amount of data it can contain. No delimiters are used to separate the fields in the file. Could we load data from… Continue reading Dataflows for Power Apps: transform fixed-width text files