From 80c78e7c4457ef6757edd881e8dc4f259a49a838 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 26 Apr 2012 11:29:05 +0200
Subject: Make session optional

---
 odb/pgsql/polymorphic-object-result.txx |  1 -
 odb/pgsql/simple-object-statements.hxx  |  1 -
 odb/pgsql/simple-object-statements.txx  | 16 ++++++++--------
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/odb/pgsql/polymorphic-object-result.txx b/odb/pgsql/polymorphic-object-result.txx
index 14104d0..9d50427 100644
--- a/odb/pgsql/polymorphic-object-result.txx
+++ b/odb/pgsql/polymorphic-object-result.txx
@@ -5,7 +5,6 @@
 #include <cassert>
 
 #include <odb/callback.hxx>
-#include <odb/cache-traits.hxx>
 #include <odb/exceptions.hxx> // object_not_persistent
 
 #include <odb/pgsql/polymorphic-object-statements.hxx>
diff --git a/odb/pgsql/simple-object-statements.hxx b/odb/pgsql/simple-object-statements.hxx
index 37bd16c..e6de345 100644
--- a/odb/pgsql/simple-object-statements.hxx
+++ b/odb/pgsql/simple-object-statements.hxx
@@ -13,7 +13,6 @@
 
 #include <odb/forward.hxx>
 #include <odb/traits.hxx>
-#include <odb/cache-traits.hxx>
 
 #include <odb/details/shared-ptr.hxx>
 
diff --git a/odb/pgsql/simple-object-statements.txx b/odb/pgsql/simple-object-statements.txx
index 8e391d7..1fcd104 100644
--- a/odb/pgsql/simple-object-statements.txx
+++ b/odb/pgsql/simple-object-statements.txx
@@ -4,7 +4,6 @@
 
 #include <cstring> // std::memset
 
-#include <odb/session.hxx>
 #include <odb/callback.hxx>
 #include <odb/exceptions.hxx>
 
@@ -154,15 +153,16 @@ namespace odb
     void object_statements<T>::
     clear_delayed_ ()
     {
-      // Remove the objects from the session cache.
+      // Remove the objects from the session cache. This is not the most
+      // efficient way to do this (cache_traits::erase() will check for
+      // a session on every iteration), but the delay vector won't be
+      // empty only if something goes wrong (i.e., we are throwing an
+      // exception).
       //
-      if (session::has_current ())
+      for (typename delayed_loads::iterator i (delayed_.begin ()),
+             e (delayed_.end ()); i != e; ++i)
       {
-        for (typename delayed_loads::iterator i (delayed_.begin ()),
-               e (delayed_.end ()); i != e; ++i)
-        {
-          pointer_cache_traits::erase (i->pos);
-        }
+        pointer_cache_traits::erase (i->pos);
       }
 
       delayed_.clear ();
-- 
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