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PouchDB Delete Attachment

The removeAttachment() method is used to delete an attachment from PouchDB. You have to pass the document_id, attachment_id and _rev value with this method to delete attachmet. This method also accepts an optional callback function.

Syntax:


Delete Attachment Example

We have a document in PouchDB with id 002, which contains id, name, age, designation of an employee with attachment.

PouchDB Delete attachent 1

Let's remove the attachment by using removeAttachment() method.

Save the above code in a file named "Delete_Attachment.js" within a folder name "PouchDB_Examples". Open the command prompt and execute the JavaScript file using node:

Output:

PouchDB Delete attachent 2

Attachment is deleted successfully.


Verification

You can verify that the attachment is deleted from the document by using read command.

PouchDB Delete attachent 3

Delete Attachment from a Remote Database

You can delete an attachment from a remotely stored server (CouchDB). You just have to pass the path to the database in CouchDB, which contains the document that contains the attachment.

Example

We have a database name "employees" stored on the CouchDB server.

PouchDB Delete attachent 4

The database "employees" has a document having id "001".

PouchDB Delete attachent 5

Let's delete the attachment.

Save the above code in a file named "Delete_Remote_Attachment.js" within a folder name "PouchDB_Examples". Open the command prompt and execute the JavaScript file using node:

Output:

PouchDB Delete attachent 6

Verification

Now you can see that the attachment is deleted.





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