From b51a2071da2169ced13dd3da669486a6f82dada4 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 30 Aug 2011 16:19:42 +0200
Subject: Add comment with some explanations

---
 odb/mysql/connection.hxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/odb/mysql/connection.hxx b/odb/mysql/connection.hxx
index 3667c10..a54194e 100644
--- a/odb/mysql/connection.hxx
+++ b/odb/mysql/connection.hxx
@@ -139,7 +139,11 @@ namespace odb
       clear_ ();
 
     private:
+      // Needed to break the circular connection-database dependency
+      // (odb::connection has the odb::database member).
+      //
       database_type& db_;
+
       bool failed_;
 
       MYSQL mysql_;
-- 
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