From c31fc72be48b037fff1cc2b46a812d20d4b601c4 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 10 Mar 2011 11:07:43 +0200
Subject: Cache current context in static variable

---
 odb/relational/context.hxx | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

(limited to 'odb/relational/context.hxx')

diff --git a/odb/relational/context.hxx b/odb/relational/context.hxx
index fbd6059..c99b400 100644
--- a/odb/relational/context.hxx
+++ b/odb/relational/context.hxx
@@ -33,15 +33,6 @@ namespace relational
     string
     quote_id (string const&) const;
 
-  public:
-    context ();
-
-    static context&
-    current ()
-    {
-      return dynamic_cast<context&> (root_context::current ());
-    }
-
   protected:
     // The default implementation returns false.
     //
@@ -61,12 +52,26 @@ namespace relational
     virtual string
     quote_id_impl (string const&) const;
 
+  public:
+    virtual
+    ~context ();
+    context ();
+
+    static context&
+    current ()
+    {
+      return *current_;
+    }
+
   protected:
     struct data;
     typedef context base_context;
 
     context (data*);
 
+  private:
+    static context* current_;
+
   protected:
     struct data: root_context::data
     {
-- 
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