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docs: update "move all data" instructions in FAQ (#8976)

* Update FAQ.mdx

chore(docs): update "move all data" FAQ instructions.

* Apply suggestions from code review

fix: (apply suggestions) use sql-compliant comments

Co-authored-by: Matthew Momjian <50788000+mmomjian@users.noreply.github.com>

* fix: Update FAQ.mdx

---------

Co-authored-by: Matthew Momjian <50788000+mmomjian@users.noreply.github.com>
This commit is contained in:
Aaron Berndsen 2024-04-22 09:53:55 -03:00 committed by GitHub
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@ -117,7 +117,7 @@ For example, say you have existing transcodes with the policy "Videos higher tha
No. Our design principle is that the original assets should always be untouched.
### How can I move all data (photos, persons, albums) from one user to another?
### How can I move all data (photos, persons, albums, libraries) from one user to another?
This is not officially supported but can be accomplished with some database updates. You can do this on the command line (in the PostgreSQL container using the `psql` command), or you can add, for example, an [Adminer](https://www.adminer.org/) container to the `docker-compose.yml` file so that you can use a web interface.
@ -128,18 +128,21 @@ This is not officially supported but can be accomplished with some database upda
2. Find the ID of both the 'source' and the 'destination' user (it's the id column in the `users` table)
3. Three tables need to be updated:
3. Four tables need to be updated:
```sql
// Reassign albums
-- reassign albums
UPDATE albums SET "ownerId" = '<destinationId>' WHERE "ownerId" = '<sourceId>';
// Reassign people
-- reassign people
UPDATE person SET "ownerId" = '<destinationId>' WHERE "ownerId" = '<sourceId>';
// reassign assets
-- reassign assets
UPDATE assets SET "ownerId" = '<destinationId>' WHERE "ownerId" = '<sourceId>'
AND CHECKSUM NOT IN (SELECT CHECKSUM FROM assets WHERE "ownerId" = '<destinationId>');
-- reassign external libraries
UPDATE libraries SET "ownerId" = '<destinationId>' WHERE "ownerId" = '<sourceId>';
```
4. There might be left-over assets in the 'source' user's library if they are skipped by the last query because of duplicate checksums. These are probably duplicates anyway, and can probably be removed.