Patch Function PowerApps

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Posted on by sumitmukund

Hi All,

We have below queries regarding the Patch function.

1. Does Patch requires the data source to be refreshed before we perform the Patch operation?

2. Will Patch function refresh the DataSource and we can see updated values back immediately or we need to perform refresh after the patch.?

3. How to know if the Patch was successful?

4. When doing an insert with Patch does it first inserts a blank row and then updates the values back into the row?

We are concerned with the above queries as we have observed inconsistent behaviour with the Patch Function.

Much appreciated for any help!

Thanks

ThreeAtion

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Building Power Apps

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WarrenBelz 154,797 Most Valuable Professional on at

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Hi @sumitmukund ,
Your questions
1. Does Patch requires the data source to be refreshed before we perform the Patch operation?
No
2. Will Patch function refresh the DataSource and we can see updated values back immediately or we need to perform refresh after the patch.?
No and Yes(Refresh needed)
3. How to know if the Patch was successful?
Refresh and do a lookup is probably the best, but you may get better answers
4. When doing an insert with Patch does it first inserts a blank row and then updates the values back into the row?
I do not believe so

The main thing I wanted to tell you here is that there are some bugs, one in particular is writing to existing records where the target value is blank. I always use UpdateIf for existing records and have found it very reliable. You can also update multiple matching records without needing a ForAll loop.

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

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WarrenBelz 154,797 Most Valuable Professional on at

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Hi @sumitmukund ,
Just checking if you got the result you were looking for on this thread. Happy to help further if not.

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

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sumitmukund 71 on at

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Hi @WarrenBelz

Firstly thank you so much for an insightful response. We are trying to evaluate the performance and reliability of the UpdateIf function as suggested.

Thanks
ThreeAtion

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v-yutliu-msft Microsoft Employee on at

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Hi @sumitmukund ,

If you still have any question about patch function or updateif function, you are welcome to post your problem here.

If you do not have any other problem, could you change your issue's status to "Answered"?

Thanks!

Best regards,

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