From d06af14c26dcf89c6fe8b59782799ffd89bf5db7 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Mon, 11 Jun 2018 15:10:28 +0800
Subject: [PATCH] FIX: Notify all processes to fallback when PostgreSQL
 recovers.

---
 .../connection_adapters/postgresql_fallback_adapter.rb          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/active_record/connection_adapters/postgresql_fallback_adapter.rb b/lib/active_record/connection_adapters/postgresql_fallback_adapter.rb
index f2ab2247e33..24fa8260a0d 100644
--- a/lib/active_record/connection_adapters/postgresql_fallback_adapter.rb
+++ b/lib/active_record/connection_adapters/postgresql_fallback_adapter.rb
@@ -72,7 +72,7 @@ class PostgreSQLFallbackHandler
 
           if is_connection_active
             logger.warn "#{log_prefix}: Master server is active. Reconnecting..."
-            clear_connections
+            MessageBus.publish(DATABASE_DOWN_CHANNEL, db: namespace)
             self.master_up(key)
             disable_readonly_mode
             Sidekiq.unpause!