From bde4f5c3bddb437c5238bcb6dd2311bc57600ef1 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 21 Aug 2011 16:27:34 +0200
Subject: Add odb::connection class

This abstract class represents a connection to the database. One can
use it to start a transaction or to execute a native statement out
of a transaction.

Before we had concrete connection classes in the database runtime
libraries (e.g., odb::mysql::connection). Now these classes derive
from odb::connection.
---
 odb/tracer/database.hxx | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'odb/tracer/database.hxx')

diff --git a/odb/tracer/database.hxx b/odb/tracer/database.hxx
index 7210681..2468583 100644
--- a/odb/tracer/database.hxx
+++ b/odb/tracer/database.hxx
@@ -9,8 +9,9 @@
 #include <odb/pre.hxx>
 
 #include <odb/database.hxx>
-#include <odb/tracer/transaction-impl.hxx>
 
+#include <odb/tracer/connection.hxx>
+#include <odb/tracer/transaction-impl.hxx>
 #include <odb/tracer/details/export.hxx>
 
 namespace odb
@@ -20,14 +21,20 @@ namespace odb
     class LIBODB_TRACER_EXPORT database: public odb::database
     {
     public:
+      typedef tracer::connection connection_type;
+
       virtual
       ~database ();
 
-      virtual unsigned long long
-      execute (const char* statement, std::size_t length);
-
-      virtual transaction_impl*
+      transaction_impl*
       begin ();
+
+      connection_ptr
+      connection ();
+
+    protected:
+      virtual odb::connection*
+      connection_ ();
     };
   }
 }
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