- ALTERs to run: https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/2bc70884ab5ea90e74208415e7124cc1c1d8741d/maintenance/archives/patch-change_tag-ct_rc_id-unsigned.sql
- Where to run those changes: all.dblist
- When to run those changes: At any time (preferably before rc_id running out of space but that won't happen until at least 2025)
- If the schema change is backwards compatible: Yes
- If the schema change has been tested already on some of the test/beta wikis: Tested in beta cluster
- if the data should be made available on the labs replicas and/or dumps: Yes, data in this table is public.
Context: https://gerrit.wikimedia.org/r/c/mediawiki/core/+/618637 (T62962: The primary key of recentchanges (rc_id) table should be unsigned T157227: MediaWiki DB tables with columns which references other columns but have different type (tracking) T230428: Migrate tables.sql to abstract schema)
Schema change progress: