Merge branch 'refactor/db-not-null-constraints-for-activities' into 'develop'

Add NOT NULL constraints for activities table

See merge request pleroma/pleroma!1888

priv/repo/migrations/20191026190317_set_not_null_for_activities.exs

@@ -0,0 +1,17 @@
+defmodule Pleroma.Repo.Migrations.SetNotNullForActivities do
+  use Ecto.Migration
+
+  # modify/3 function will require index recreation, so using execute/1 instead
+
+  def up do
+    execute("ALTER TABLE activities
+    ALTER COLUMN data SET NOT NULL,
+    ALTER COLUMN local SET NOT NULL")
+  end
+
+  def down do
+    execute("ALTER TABLE activities
+    ALTER COLUMN data DROP NOT NULL,
+    ALTER COLUMN local DROP NOT NULL")
+  end
+end