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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/development/what_requires_downtime.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/development/what_requires_downtime.md b/doc/development/what_requires_downtime.md index 2574c2c0472..bbcd26477f3 100644 --- a/doc/development/what_requires_downtime.md +++ b/doc/development/what_requires_downtime.md @@ -66,6 +66,12 @@ producing errors whenever it tries to use the `dummy` column. As a result of the above downtime _is_ required when removing a column, even when using PostgreSQL. +## Renaming Columns + +Renaming columns requires downtime as running GitLab instances will continue +using the old column name until a new version is deployed. This can result +in the instance producing errors, which in turn can impact the user experience. + ## Changing Column Constraints Generally changing column constraints requires checking all rows in the table to |