From 179eb696191958bae891916eec2708c4d3e34983 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 2 Sep 2013 09:22:39 +0200
Subject: Fix UPDATE statement for smart containers with read-only value
 members

Here we have to include them (think what happens when we erase an element
somewhere in the middle of a container).
---
 common/container/change-tracking/driver.cxx | 28 ++++++++++++++++++++++++
 common/container/change-tracking/test.hxx   | 33 +++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)

(limited to 'common/container/change-tracking')

diff --git a/common/container/change-tracking/driver.cxx b/common/container/change-tracking/driver.cxx
index 78f7a7f..9baf6a2 100644
--- a/common/container/change-tracking/driver.cxx
+++ b/common/container/change-tracking/driver.cxx
@@ -699,6 +699,34 @@ main (int argc, char* argv[])
         t.commit ();
       }
     }
+
+    // Test read-only values.
+    {
+      ro_object o (1);
+      o.v.push_back (ro_value (1, 1));
+      o.v.push_back (ro_value (2, 2));
+      o.v.push_back (ro_value (3, 3));
+
+      {
+        transaction t (db->begin ());
+        db->persist (o);
+        t.commit ();
+      }
+
+      o.v.erase (o.v.begin ());
+
+      {
+        transaction t (db->begin ());
+        db->update (o);
+        t.commit ();
+      }
+
+      {
+        transaction t (db->begin ());
+        assert (db->load<ro_object> (1)->v == o.v);
+        t.commit ();
+      }
+    }
   }
   catch (const odb::exception& e)
   {
diff --git a/common/container/change-tracking/test.hxx b/common/container/change-tracking/test.hxx
index 6281322..edbff0a 100644
--- a/common/container/change-tracking/test.hxx
+++ b/common/container/change-tracking/test.hxx
@@ -78,4 +78,37 @@ struct inv_object2
   odb::vector<inv_object1*> o1;
 };
 
+// Test read-only values (we still need to include them in the UPDATE
+// statement).
+//
+#pragma db value
+struct ro_value
+{
+  ro_value (int i_ = 0, int j_ = 0): i (i_), j (j_) {}
+
+  #pragma db readonly
+  int i;
+
+  #pragma db readonly
+  int j;
+};
+
+inline bool
+operator== (const ro_value& x, const ro_value& y)
+{
+  return x.i == y.i && x.j == y.j;
+}
+
+#pragma db object
+struct ro_object
+{
+  ro_object () {}
+  ro_object (unsigned long id): id_ (id) {}
+
+  #pragma db id
+  unsigned long id_;
+
+  odb::vector<ro_value> v;
+};
+
 #endif // TEST_HXX
-- 
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