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sql transaction with error handling

Nanu answered on January 2, 2024 Popularity 2/10 Helpfulness 8/10

answer sql transaction with error handling

sql transaction with error handling

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 Begin Tran
         -- First reduce the quantity available
  Update tblProduct set QtyAvailable = (QtyAvailable - @QuantityToSell)
  where ProductId = @ProductId
  
  Declare @MaxProductSalesId int
  -- Calculate MAX ProductSalesId  
  Select @MaxProductSalesId = Case When 
          MAX(ProductSalesId) IS NULL 
          Then 0 else MAX(ProductSalesId) end 
         from tblProductSales
  -- Increment @MaxProductSalesId by 1, so we don't get a primary key violation
  Set @MaxProductSalesId = @MaxProductSalesId + 1
  Insert into tblProductSales values(@MaxProductSalesId, @ProductId, @QuantityToSell)
  if(@@ERROR <> 0)
  Begin
   Rollback Tran
   Print 'Rolled Back Transaction'
  End
  Else
  Begin
   Commit Tran 
   Print 'Committed Transaction'
  End
   End

Popularity 2/10 Helpfulness 8/10 Language sql

Source: Grepper

Tags: error-handling sql

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Contributed on Jan 02 2024

Nanu

0 Answers Avg Quality 2/10

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