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| author | Nick Thomas <nick@gitlab.com> | 2016-11-04 15:55:15 +0300 |
|---|---|---|
| committer | Nick Thomas <nick@gitlab.com> | 2016-11-07 13:57:08 +0300 |
| commit | 630eb119cb99eb971a9e29d83293774b5b882490 (patch) | |
| tree | 1e1d20cbebe2cd33e922b73ab5e7c239a808eb1d /doc/development/what_requires_downtime.md | |
| parent | 5ef2bd192aa9b3ecbfc23e83c6984e2a818fb736 (diff) | |
Renaming columns requires downtime
Diffstat (limited to 'doc/development/what_requires_downtime.md')
| -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 |