princemaple

princemaple

Different IDs getting conflicts

Ok this is… more than weird

It’s also consistent during insert_all with conflicts. I’m trying to back fill some missing data from backup, but can’t because the db thinks they are already there…

I can’t have 20+ uuids with conflicts, right? That’d be too luck. I checked they are totally different from what’s coming back from the db. Repo.all(from x in X, where: x.id in ^my_ids) I get these 20+ results with totally different ids, but consistent!

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dimitarvp

dimitarvp

Can you show us what does v() do?

garrison

garrison

It’s an iex helper that returns the last line, essentially. I actually didn’t know about this one because I never use iex :slight_smile:

princemaple

princemaple OP

Yup. The screenshot is a remote iex. v() simply refers to the previous return value.

princemaple

princemaple OP

Sorry if it’s confusing. The tldr for this is: If I `Repo.get X, “abc”` I would expect an entry of X with id abc to be returned. Here it’s giving me something different.

Same thing during insert_all, it thinks something with a different id conflicts with the entry am trying to insert.

princemaple

princemaple OP

You can also do v(-2) to get the second last result.

And v(line_number) to get a specific line.

jswanner

jswanner

@princemaple,

odd question, but just making sure…

Is id the primary key field on the schema?

garrison

garrison

That is certainly odd! I think you need to do some more debugging here, though. There’s not really anything for us to go off of.

Is id the primary key? What is the id in the actual database? What is the DB schema? Could there be something weird going on with autogenerate? The changeset? Etc.

princemaple

princemaple OP

Yes :wink: haha

jswanner

jswanner

On slack you said this was a remote console, are you seeing the same behavior locally? Have you checked the generated query, or tried via psql (or other db client)?

princemaple

princemaple OP

Yes id is pk

I also suspected something with ecto or auto generate, hence the test at the top, about uuid dumping and loading. All seems good. It almost seems a pg problem but that would be too crazy to be true.

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