Context: {T283069}
# **ALTERs to run:** `ALTER TABLE /*_*/cu_changes CHANGE cuc_id cuc_id INTEGER UNSIGNED NOT NULL AUTO_INCREMENT;` (from https://gerrit.wikimedia.org/r/692630)
# **Where to run those changes:** all.dblist
# **When to run those changes:** At any time - It requires master or dc switchover. Writes on it is rather high. Also Wikidata/enwiki will run out of it in a year or two.
# **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:** This table is **fully private** and under no circumstances it would be okay to replicate it to the cloud.
Progress
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** [x] codfw
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** [] eqiad T283093#7159268
** [x] codfw
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[x] labswiki
[x] labtestwiki