As part of changes to allow yubikey support, a schema change is needed. At https://gerrit.wikimedia.org/r/#/c/mediawiki/extensions/OATHAuth/+/496451/ the following is proposed https://gerrit.wikimedia.org/r/#/c/mediawiki/extensions/OATHAuth/+/496451/47/sql/mysql/patch-add_generic_fields.sql :
```
ALTER TABLE /*_*/oathauth_users
ADD module VARCHAR( 255 ) NOT NULL,
ADD data BLOB NULL;
```
**Backwards compatible:** Yes, as only new columns to be added (There's a part to remove some no longer used fields as well, but we'd want to do that later so we could revert back in case bad things happen)
**Replicate to cloud:** No, table should already be blacklisted anyway
**Testing:** Unable to be tested on "just" testwiki, tested locally on dev machines
**When:** ASAP
Please note: The oathauth_users table is a global table, so its in the centralauth database, and not all the individual wiki databases for SUL wikis.
Table should be relatively small in terms of number of rows, has a PK that is the `id` column (FK of user.user_id)
**Where:**
[x] centralauth.oathauth_users
[x] labswiki.oathauth_users
[x] labtestwiki.oathauth_users
**Private:**
[x] advisorswiki.oathauth_users
[x] arbcom_cswiki.oathauth_users
[x] arbcom_dewiki.oathauth_users
[x] arbcom_enwiki.oathauth_users
[x] arbcom_fiwiki.oathauth_users
[x] arbcom_nlwiki.oathauth_users
[x] auditcomwiki.oathauth_users
[x] boardgovcomwiki.oathauth_users
[x] boardwiki.oathauth_users
[x] chairwiki.oathauth_users
[x] chapcomwiki.oathauth_users
[x] checkuserwiki.oathauth_users
[x] collabwiki.oathauth_users
[x] ecwikimedia.oathauth_users
[x] electcomwiki.oathauth_users
[x] execwiki.oathauth_users
[x] fdcwiki.oathauth_users
[x] grantswiki.oathauth_users
[x] id_internalwikimedia.oathauth_users
[x] iegcomwiki.oathauth_users
[x] ilwikimedia.oathauth_users
[x] internalwiki.oathauth_users
[x] legalteamwiki.oathauth_users
[x] movementroleswiki.oathauth_users
[x] noboard_chapterswikimedia.oathauth_users
[x] officewiki.oathauth_users
[x] ombudsmenwiki.oathauth_users
[x] otrs_wikiwiki.oathauth_users
[x] projectcomwiki.oathauth_users
[x] searchcomwiki.oathauth_users
[x] spcomwiki.oathauth_users
[x] stewardwiki.oathauth_users
[x] techconductwiki.oathauth_users
[x] transitionteamwiki.oathauth_users
[x] wg_enwiki.oathauth_users
[x] wikimaniateamwiki.oathauth_users
[x] zerowiki.oathauth_users
**Fishbowl:**
[] amwikimedia.oathauth_users
[] cnwikimedia.oathauth_users
[] donatewiki.oathauth_users
[] fixcopyrightwiki.oathauth_users
[] foundationwiki.oathauth_users
[] hiwikimedia.oathauth_users
[] idwikimedia.oathauth_users
[] maiwikimedia.oathauth_users
[] nostalgiawiki.oathauth_users
[] punjabiwikimedia.oathauth_users
[] romdwikimedia.oathauth_users
[] rswikimedia.oathauth_users
[] votewiki.oathauth_users
[] wbwikimedia.oathauth_users
If a #DBA could make this change, that would be awesome :)