Azure blob storage overwriting duplicate files

0
votes

I am using Azure Blob storage to upload/download files. The problem is, if I upload any new file to azure blob that have the same name as already uploaded file then its automatically overwriting the content of previously uploaded file.

For example

These are the files uploaded on azure blob storage -

  1. file1.docx
  2. file2.png
  3. file1.png

So if i am uploading a new file named as "file1.docx" which have the different content. Then blob storage is replacing the previous uploaded file1.docx . So in this case i am losing the previously uploaded file.

Is there any way that blob storage can automatically detect that there is duplicate so it can append _1 or (1) in the end or any other way to solve this problem ?

1
azureblobstorageazure-blob-storage

1 Answers

4
votes

Is there any way that blob storage can automatically detect that there is duplicate so it can append _1 or (1) in the end or any other way to solve this problem ?

Out of the box this feature is not available and you will have to handle this in your application. If your upload operation fails with a Conflict (HTTP Status Code 409) error that would mean that a blob by the name of the uploaded file exists. You would then need to retry the operation by appending _1 or (1). You will need to keep on doing it by increasing the counter till the time your upload does not fail with conflict status code.