**Backport:** https://codeberg.org/forgejo/forgejo/pulls/8021
The following will trigger a XORM warning:
```
type Repository struct {
ID int64 `xorm:"pk autoincr"`
Topics []string `xorm:"TEXT JSON NOT NULL"`
}
```
that looks like:
```
[W] Table repository Column topics db default is '', struct default is
```
it cannot be resolved because:
- SQLite requires a default when there is a NOT NULL
- MySQL forbids a default for TEXT
Co-authored-by: Earl Warren <contact@earl-warren.org>
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8022
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Co-authored-by: forgejo-backport-action <forgejo-backport-action@noreply.codeberg.org>
Co-committed-by: forgejo-backport-action <forgejo-backport-action@noreply.codeberg.org>
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