# test\(server\): migrate-dev-db refuses pre-V2 sources with legacy threads · pingdotgg/t3code

[View on GitCafe](https://git.cafe/pingdotgg/t3code/commit/e0fba36b0dc0f9f006e306da86cb638bfa8350b3)

Repository: [pingdotgg/t3code](https://git.cafe/pingdotgg/t3code)

Visibility: public

Requested revision: e0fba36b0dc0f9f006e306da86cb638bfa8350b3

Requested commit: e0fba36b0dc0f9f006e306da86cb638bfa8350b3

Commit: e0fba36b0dc0f9f006e306da86cb638bfa8350b3

Tree: 6d97d98a87bc704fcd0addf844b6862ac8fa8ab2

Author: Julius Marminge

Committer: Julius Marminge

## Message

```
test(server): migrate-dev-db refuses pre-V2 sources with legacy threads

Reproduces #19018: a migration-54 source with a projection_threads row
upgrades to an empty V2 projection and the command reports success.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

```

## Parents

- [70e5e384dab96a1d1e4a253ee5a9415ed5d8ce30](https://git.cafe/pingdotgg/t3code/commit/70e5e384dab96a1d1e4a253ee5a9415ed5d8ce30?format=markdown)

[Source at this commit](https://git.cafe/pingdotgg/t3code/tree/e0fba36b0dc0f9f006e306da86cb638bfa8350b3?format=markdown)