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Kitz
Helper I
Helper I

How to avoid duplicate insertion into sql server while using Patch Statement?

Hello, 

I'm using Patch statement to Insert rows into two sql server tables. One table1, I'm able to insert userInfo and it generates unique ID. Then, I'm collecting the generated unique ID's(PK) into a collection with user information. After that, I'm using the ForAll formula to insert rows into table2 but the system is inserting duplicate rows in table2. Does anyone know how to avoid this?? Here is my formula. I'm not sure where I'm doing wrong.

 

ForAll(GetIDs,(Patch(
'[dbo].[table1]',Defaults('[dbo].[table1]'),
{
ID: Value(TransID),

Col2: "abc"

})

)

 

Thanks in advance. 

2 REPLIES 2
v-siky-msft
Community Support
Community Support

Hi @Kitz ,

 

Can you share the Expression of creating collection?

I have made a test , and have no error with your formula.

Could you please check your collection to see if there are duplicate rows?

 

Best regard,

Sik

Hi @v-siky-msft ,

The UserInfo Collection formula is: ForAll(ShoppingCart, Collect(Collection1, Patch('[dbo].[UserInfo]'),Defaults(('[dbo].[UserInfo]'), {Gender: GDropDown.Selected.Text, Date: UserDate.Selected.Date}))). This formula creates a unique ID in dbo.UserInfo table. 

I'm grabing this formula and storing it in Collection1. 

In the next step, I'd like to Patch items(Items of Shopping Cart) in dbo.Transactions table by using the ID generated from Table1. 

The formula I'm using here is :

ForAll(Collection1, Patch('[dbo].[Transactions]'), Defaults('[dbo].[Transactions']), {TID: Value(TID), ItemID: Gallery1.Selected.Label1.Text, ItemDesc: Gallery1.Selected.Desc.Text})))

 

I was able to insert rows in Transactions table in TID Column but other columns of second row are creating duplicates from first row. 

Hope this helps!!

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