Task F: Account Deletion
When a user decides to delete her account, we need to delete all the user-related information from the database, as well as all the user’s files.
Implementing Account-Deletion Service Operations
The first thing to do is to write the queries to delete the user along with the files associated with them. Add the following code to the queries.sql file:
| | -- :name delete-user! :! :n |
| | -- deletes the user account |
| | DELETE FROM users |
| | WHERE id = :id |
| | |
| | -- :name delete-user-images! :! :n |
| | -- deletes all the images for the specified user |
| | DELETE FROM files |
| | WHERE owner = :owner |
Since account deletion is a single operation, these queries have to be run atomically, ...
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