From d5cb29434a375bbbe10c4aa016bf6631bf8ede6c Mon Sep 17 00:00:00 2001
From: Yorick Peterse <yorickpeterse@gmail.com>
Date: Fri, 4 Aug 2017 13:30:57 +0200
Subject: [PATCH] Mention schema migrations and patch releases

---
 doc/development/migration_style_guide.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/development/migration_style_guide.md b/doc/development/migration_style_guide.md
index 5aac243ae3d..9b8ab5da74e 100644
--- a/doc/development/migration_style_guide.md
+++ b/doc/development/migration_style_guide.md
@@ -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
-- 
GitLab