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author | Robert Speicher <robert@gitlab.com> | 2016-07-15 21:29:50 +0300 |
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committer | Robert Speicher <robert@gitlab.com> | 2016-07-15 21:29:50 +0300 |
commit | d4677353b84681bd73f321a0b04bb7eba32dbc9c (patch) | |
tree | 41e1e63a6761895ef576e3726d1ec4319978f162 /doc/update/5.3-to-5.4.md | |
parent | dfea11e1e791d0343ccc7d560f03710f5c1e2a98 (diff) | |
parent | d7c591915893c8c572e9135db4ec27dc174823fd (diff) |
Merge branch 'revert-lock-for-issuable' into 'master'
Revert "Optimistic locking for Issue and Merge Requests"
The migration to add `lock_version` in !5146 to every issue and merge request takes too long on GitLab.com since it has to add a default value of 0 to every row. Unfortunately, Rails 4.2 doesn't work properly if the value is left as `nil`; anything using optimistic locking cannot be edited.
This bug was fixed in Rails 5.0 via this commit: https://github.com/rails/rails/commit/13772bfa49325a8dc26410d2dcb555665a320f92. I suggest we revert this change for now, and when we upgrade to Rails 5.0 we can reintroduce this feature.
See merge request !5245
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