marcelfahle

marcelfahle

Query options for unsafe_validate_unique/4

Hey guys, I ran into a slight issue today:

I’m currently building a multi-tenant setup using foreign keys, similar to the docs.
The tenant key is enforced for every query on the repo level using prepare_query (as seen here), which means I have to provide either a tenant key or a skip parameter to my queries.

This doesn’t work, though, when doing validations with unsafe_validate_unique/4 (and maybe others) because it doesn’t let me add options to the query.

I removed the validation for now and will wire up my own check on uniqueness. Still, I was just curious how you guys would solve such problems, as I’m sure other functions also execute queries under the hood where I can’t provide my tenant Infos.

Thanks! :slightly_smiling_face:

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al2o3cr

al2o3cr

I’m not sure how it would interact with the prepare_query plumbing, but making the validation match [:field_that_should_be_unique, :org_id] (where org_id is the tenant FK) seems like it would get the right query.

andyjones11

andyjones11

Just for reference I ran into the same problem today and found that a fix for this should be coming in the next Ecto release. unsafe_validate_unique/4 has been updated to accept a keyword list of repo_opts.

See the change here: ecto/lib/ecto/changeset.ex at 0b990278ca6b418c0137dd0bdf9f0c5003062629 · elixir-ecto/ecto · GitHub

joges

joges

I ran into the same problem and could fix it based on your post:

unsafe_validate_unique(:email, MyApp.Repo, repo_opts: [skip_org_id: true])

Thx andyjones11!

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