From 534da0d899b11f6ca1fac161ea8901a62e5c07dc Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Aug 2013 15:16:09 +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/sqlite/database.hxx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'odb/sqlite/database.hxx')

diff --git a/odb/sqlite/database.hxx b/odb/sqlite/database.hxx
index 0471b64..6039f23 100644
--- a/odb/sqlite/database.hxx
+++ b/odb/sqlite/database.hxx
@@ -147,6 +147,12 @@ namespace odb
       void
       load (const typename object_traits<T>::id_type& id, T& object);
 
+      // Load (or reload, if it is already loaded) a section of an object.
+      //
+      template <typename T>
+      void
+      load (T& object, section&);
+
       // Reload an object.
       //
       template <typename T>
@@ -217,6 +223,14 @@ namespace odb
       void
       update (const typename object_traits<T>::pointer_type& obj_ptr);
 
+      // Update a section of an object. Throws the section_not_loaded
+      // exception if the section is not loaded. Note also that this
+      // function does not clear the changed flag if it is set.
+      //
+      template <typename T>
+      void
+      update (const T& object, const section&);
+
       // Make the object transient. Throw object_not_persistent if not
       // found.
       //
-- 
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