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Remove default of empty value from thread.thread_modified/thread_created on wmf wikis
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Description

Apply parts of T310423 to wmf wikis

The patch drops the default '', the type change from char(14) binary to binary(14) should not have impact on production, feel free to improve the ALTER for production need.

  1. ALTERs to run: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/LiquidThreads/+/804738/3/sql/mysql/patch-thread-timestamps.sql
  2. Where to run those changes: According to the config only on (please verifiy, I am not sure if on x1 or on s1-s8)
    1. enwikinews
    2. enwiktionary
    3. fiwikimedia
    4. huwiki
    5. mediawikiwiki
    6. officewiki
    7. ptwikibooks
    8. sewikimedia
    9. strategywiki
    10. svwikisource
    11. test2wiki
    12. testwiki
    13. wikimania2010wiki
  3. When to run those changes: any time
  4. If the schema change is backwards compatible: Yes
  5. If the schema change has been tested already on some of the test/beta wikis: not running on beta
  6. if the data should be made available on the labs replicas and/or dumps: no change of the existing rules

Progress

  • s2
  • s3
  • s6
  • s7

Event Timeline

Marostegui added a subscriber: Marostegui.

Same wikis affected as we had at T312288

Marostegui updated the task description. (Show Details)

Fixed