Yep, I've manually edited my extensions/OpenIDConnect/maintenance/MigrateOIDCSubjectAndIssuerFromUserTable.php and added the missing d to those three entries, and that seems to resolve the issue :)

Thanks for adding PostgreSQL support :)

In T185394#3915862, @Reedy wrote:

I'm not sure why Database changes need to be singled out if we're saying not to modify core at all in the first place?

In T185394#3915390, @Reedy wrote:

Ugh... Why does this extension modify a core table? That's a real big faux pas :(

https://www.mediawiki.org/wiki/Do_not_hack_MediaWiki_core

It should add it's own DB table, with a PK/FK of the user_id, and then the two columns it needs

In T185366#3914666, @cicalese wrote:

Thanks for the bug report, @martin.von.wittich!