SQl Get Rows (V2) Unique values

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Posted on by NazIM

Im struggling with getting only unique values from the SQL Get Rows(V2) output. Has anyone been able to figure it out?

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365-Assist 2,324 Moderator on at

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Perhaps you should use the Get Row Action instead

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v-litu-msft on at

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Hi @NazIM,

I found that you have reply a post to a similar question, does that method not work?

https://powerusers.microsoft.com/t5/General-Flow-Discussion/Array-variables-unique-values/m-p/385325#M32576

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Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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NazIM 34 on at

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Unfortunately not. Get Row does not work with On Premise Data Gateways.

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NazIM 34 on at

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Did try it, but it does not seem to work.

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365-Assist 2,324 Moderator on at

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Hi Nazi,

My example of Flow with Get Row is connected via an On-Premises Data Gatway to an SQL Database. What error do you get when you try it?

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NazIM 34 on at

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Just tried again. Get Row (V2) works. I believe the earlier version wasn't.

I guess my issue is different though. What I want is the equivalent of "SELECT DISTINCT <Col> .." in SQL (i.e.: Only unique values / no repeats of the same value).

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Barret 652 Most Valuable Professional on at

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You might try using the "Execute a SQL Query (V2)" action and pass in an actual SELECT DISTINCT query. That's generally the route I take when I need get distinct data.

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yashag2255 24,769 Super User 2024 Season 1 on at

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Hey @NazIM

In case you do not plan to go an alternate way of performing the sql query, you can use the below method to identify the unique values by creating arrays:

https://powerusers.microsoft.com/t5/Microsoft-Flow-Community-Blog/Delete-duplicate-records-items-from-Dynamics-365-CRM-CDS/ba-p/334853

Hope this Helps!

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NazIM 34 on at

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@yashag2255 : That's not supported with On-Premise Data Gateway:

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NazIM 34 on at

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@yashag2255, Didn't try the method shown in the link.

However, what I succeeded with doing is:
1. Get rows (V2) to run the query.
2. put all the field values into an array usig a ForEach action.
3. Used a Union function in a Compose action to union the array with itself
4. Used a join function to create a string from the array.

Very convoluted, but its the only way I got it to work! Phew!!

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