From 6e8eada24b19f1d0b4f58da69a54278caec7429d Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Wed, 29 Nov 2017 17:08:56 +0100
Subject: Referential: Add a comment about the `lock_table` callback

Make it clear in the code (not just in the commit message) that this
callback must go last.

Refs #5024
---
 app/models/referential.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'app/models/referential.rb')

diff --git a/app/models/referential.rb b/app/models/referential.rb
index a8f387122..6912f140f 100644
--- a/app/models/referential.rb
+++ b/app/models/referential.rb
@@ -192,7 +192,10 @@ class Referential < ActiveRecord::Base
   before_validation :assign_line_and_stop_area_referential, :on => :create, if: :workbench
   before_validation :assign_slug, :on => :create
   before_validation :assign_prefix, :on => :create
+
+  # Locking the table must be the last hook to minimise the duration of the lock
   before_validation :lock_table, :on => :create
+
   before_create :create_schema
   after_create :clone_schema, if: :created_from
 
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