Add support for SQL statement tracing

1 files changed, 25 insertions, 1 deletions

diff --git a/odb/connection.ixx b/odb/connection.ixx
index 0e6d24c..8e9f26a 100644
--- a/odb/connection.ixx
+++ b/odb/connection.ixx
@@ -9,7 +9,7 @@ namespace odb
 {
   inline connection::
   connection (database_type& database)
-      : database_ (database)
+      : database_ (database), tracer_ (0), transaction_tracer_ (0)
   {
   }
 
@@ -30,4 +30,28 @@ namespace odb
   {
     return execute (st.c_str (), st.size ());
   }
+
+  inline void connection::
+  tracer (tracer_type& t)
+  {
+    tracer_ = &t;
+  }
+
+  inline void connection::
+  tracer (tracer_type* t)
+  {
+    tracer_ = t;
+  }
+
+  inline connection::tracer_type* connection::
+  tracer () const
+  {
+    return tracer_;
+  }
+
+  inline connection::tracer_type* connection::
+  transaction_tracer () const
+  {
+    return transaction_tracer_;
+  }
 }