Add NOT NULL constraints to project_authorizations.

Closes #32258.

1 files changed, 38 insertions, 0 deletions

diff --git a/db/migrate/20180517082340_add_not_null_constraints_to_project_authorizations.rb b/db/migrate/20180517082340_add_not_null_constraints_to_project_authorizations.rb
new file mode 100644
index 00000000000..3b7b877232b
--- /dev/null
+++ b/db/migrate/20180517082340_add_not_null_constraints_to_project_authorizations.rb
@@ -0,0 +1,38 @@
+class AddNotNullConstraintsToProjectAuthorizations < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  def up
+    if Gitlab::Database.postgresql?
+      # One-pass version for PostgreSQL
+      execute <<~SQL
+      ALTER TABLE project_authorizations
+        ALTER COLUMN user_id SET NOT NULL,
+        ALTER COLUMN project_id SET NOT NULL,
+        ALTER COLUMN access_level SET NOT NULL
+      SQL
+    else
+      change_column_null :project_authorizations, :user_id, false
+      change_column_null :project_authorizations, :project_id, false
+      change_column_null :project_authorizations, :access_level, false
+    end
+  end
+
+  def down
+    if Gitlab::Database.postgresql?
+      # One-pass version for PostgreSQL
+      execute <<~SQL
+      ALTER TABLE project_authorizations
+        ALTER COLUMN user_id DROP NOT NULL,
+        ALTER COLUMN project_id DROP NOT NULL,
+        ALTER COLUMN access_level DROP NOT NULL
+      SQL
+    else
+      change_column_null :project_authorizations, :user_id, true
+      change_column_null :project_authorizations, :project_id, true
+      change_column_null :project_authorizations, :access_level, true
+    end
+  end
+end