From 09d7377f81aeb8fde4aa1698e946457f03380d45 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 6 May 2013 12:05:39 +0200
Subject: Add support for object sections

Sections are an optimization mechanism that allows the partitioning of
data members of a persistent class into groups that can be separately
loaded and/or updated.
---
 odb/relational/mssql/header.cxx | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'odb/relational/mssql/header.cxx')

diff --git a/odb/relational/mssql/header.cxx b/odb/relational/mssql/header.cxx
index 1b868fc..5601755 100644
--- a/odb/relational/mssql/header.cxx
+++ b/odb/relational/mssql/header.cxx
@@ -47,6 +47,32 @@ namespace relational
       };
       entry<class1> class1_entry_;
 
+      struct section_traits: relational::section_traits, context
+      {
+        section_traits (base const& x): base (x) {}
+
+        virtual void
+        section_public_extra_pre (user_section&)
+        {
+          if (abstract (c_) && !polymorphic (c_))
+            return;
+
+          // rowvesion
+          //
+          bool rv (false);
+          if (semantics::data_member* m = optimistic (c_))
+          {
+            sql_type t (parse_sql_type (column_type (*m), *m));
+            rv = (t.type == sql_type::ROWVERSION);
+          }
+
+          os << "static const bool rowversion = " <<
+            (rv ? "true" : "false") << ";"
+             << endl;
+        }
+      };
+      entry<section_traits> section_traits_;
+
       struct image_type: relational::image_type, context
       {
         image_type (base const& x): base (x) {};
-- 
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