aude added a comment.
Did these for testwiki (table has 45 rows) and testwikidata. (only has 5 rows)
test2wiki doesn't have the table yet, since we want to keep one of the test
wikis like enwiki etc.
@springle I could probably figure out and handle OSC for wikidatawiki, but
think it's
Springle added a comment.
Anything touching wikidatawiki needs to be done online, either with the OSC
script (a wrapper for percona toolkit) or slave-by-slave depool/repool. The
kind of change described in this ticket can be done using --no-replicate. It
should be added to the tracking ticket
aude added a comment.
even if the tables are small on the test wikis, i'm not sure we can just do
patchSql.php for this due to replication.
on https://wikitech.wikimedia.org/wiki/MariaDB#Online_Schema_Changes it says
If modifying indexes, or adding new fields that are nullable and/or have a
