Gallery with more than 2000 rows

[nakama]

Hi,

I created a canvas app for sales that start with the select customer. I stored customer information in the SharePoint list (CustomerList) and added a SharePoint list connector to bring data to power apps. Then add gallery (gallery1) to show this list in the app.

The issue now is I can not show more than 2000 rows in gallery1! Is there a solution to fix this issue.

Thanks

[PaulD1]

The solution is to apply a filter to your gallery. Scrolling through 2000 entries is not a good experience for users and your App will be horribly slow pulling all that data back over the network.

Force your users to put in a delegable filter - e.g. Customer Region or Customer Type so you can pull back a subset of customers that will hopefully be of a more manageable size.

Unfortunately you are using SharePoint which is not a proper database and cannot do a delegable Search for a partial customer name, but you can use StartsWith (which is delegable in SharePoint), so your form can require that the user enter the first few characters of the customer name and then only return those that match. This is far from ideal as you would want 'Paul' to find 'John Paul', 'J Paul', etc. which it won't, because it is StartsWith, but if you want to stick with SharePoint this is as good as it is going to get.

[RezaDorrani]

@nakama 

Delegation is the reason.

Check out my playlist on delegation which covers everything you need to know about delegation and working with large data sources. Also includes delegation workarounds..

https://www.youtube.com/playlist?list=PLTyFh-qDKAiE6ia-D94Qk5-AzpN4dqOmD

--------------------------------------------------------------------------------
If this post helps answer your question, please click on “Accept as Solution” to help other members find it more quickly. If you thought this post was helpful, please give it a Thumbs Up.

Thanks,
Reza Dorrani, MVP
YouTube
Twitter

[v-yutliu-msft]

Hi @nakama ,

Could you tell me

1)how many records are in your sharepoint list?

2)the formula in your gallery's Items?

As @RezaDorrani said, the key problem is delegation.

If your records number is less then 2000, you just need to change delegation limit to 2000.

If your records number is larger than 2000, then you need to avoid the affect of delegation.

Two solutions: 

1)only use delegate functions 

delegate functions for sharepoint list

Item	Number	Text	Boolean	DateTime	Complex [1]
Filter	Yes	Yes	Yes	No [4]	Yes
Sort	Yes	Yes	Yes	Yes	No
SortByColumns	Yes	Yes	Yes	Yes	No
Lookup	Yes	Yes	Yes	No	Yes
=	Yes	Yes	Yes	No [4]	Yes
<, <=,<>, >, >=	Yes [2]	No	No	No	Yes
StartsWith	-	Yes	-	-	Yes
IsBlank	-	No [3]	-	-	No

2)save data in collection, then deal with data in collection.

In collection, there's no delegation limit.

However, when you save data in collection, you also need to use delegate function.

You need to save data to collection per 2000 records. (ID column is not delegate for "<",">")

So usually we need another number field with unique value to save data to multiple collections.

For example:

ClearCollect(collection1,Filter(list,numberfield<=2000));
ClearCollect(collection2,Filter(list,numberfield>2000,numberfield<=4000));
ClearCollect(collection3,Filter(list,numberfield>4000,numberfield<=6000));
ClearCollect(collection4,Filter(list,numberfield>6000,numberfield<=8000));
.....

Best regards,

[nakama]

Thank you all for your feedback. After watching the @RezaDorrani  video, I tried to avoid the delegation using the start with function and working fine with me but not supporting my scenario.

My gallery contains ( Customer name and Customer ID). I added two textboxes as a filter, one for customer name, and the second for customer id as below :

Filter('Sales Customer',StartsWith(Title,SearchText.Text),'Customer ID'=SearchText2.Text))​

but I find an issue that can't compare two value one for text and second for a number!

So how can we now solve this scenario and avoid the delegation issue?

[PaulD1 · Accepted solution]

Try modifying your filter as follows:

Filter('Sales Customer',StartsWith(Title,SearchText.Text),'Customer ID'=Value(SearchText2.Text)))​

You need to turn your SearchText2.Text into a numeric by wrapping it in a Value(...) function. I believe this is the case even if you have set your text input control format to number.