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Mention schema migrations and patch releases

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Yorick Peterse 2017-08-04 13:30:57 +02:00
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doc/development/migration_style_guide.md
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@ -35,6 +35,12 @@ Please don't depend on GitLab-specific code since it can change in future
versions. If needed copy-paste GitLab code into the migration to make it forward
compatible.
## Schema Changes
Migrations that make changes to the database schema (e.g. adding a column) can
only be added in the monthly release, patch releases may only contain data
migrations _unless_ schema changes are absolutely required to solve a problem.
## Downtime Tagging
Every migration must specify if it requires downtime or not, and if it should