From 1e78bdc724e95898c04a3409b0b192aa7f77780b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 15 Oct 2012 13:17:30 +0200
Subject: Implement early connection release

---
 odb/prepared-query.cxx | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'odb/prepared-query.cxx')

diff --git a/odb/prepared-query.cxx b/odb/prepared-query.cxx
index d192541..e4c44a1 100644
--- a/odb/prepared-query.cxx
+++ b/odb/prepared-query.cxx
@@ -2,6 +2,7 @@
 // copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
 // license   : GNU GPL v2; see accompanying LICENSE file
 
+#include <odb/connection.hxx>
 #include <odb/prepared-query.hxx>
 
 namespace odb
@@ -9,5 +10,32 @@ namespace odb
   prepared_query_impl::
   ~prepared_query_impl ()
   {
+    if (next_ != this)
+      list_remove ();
+  }
+
+  prepared_query_impl::
+  prepared_query_impl (connection& c)
+      : cached (false), conn (c), prev_ (0), next_ (this)
+  {
+    // Add to the list.
+    //
+    next_ = conn.prepared_queries_;
+    conn.prepared_queries_ = this;
+
+    if (next_ != 0)
+      next_->prev_ = this;
+  }
+
+  void prepared_query_impl::
+  list_remove ()
+  {
+    (prev_ == 0 ? conn.prepared_queries_ : prev_->next_) = next_;
+
+    if (next_ != 0)
+      next_->prev_ = prev_;
+
+    prev_ = 0;
+    next_ = this;
   }
 }
-- 
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