Ignore section logic when dealing with container elements

The container member itself can be in a section.

2 files changed, 60 insertions, 0 deletions

diff --git a/common/section/basics/driver.cxx b/common/section/basics/driver.cxx
index bdd5e64..b9fa667 100644
--- a/common/section/basics/driver.cxx
+++ b/common/section/basics/driver.cxx
@@ -1694,6 +1694,37 @@ main (int argc, char* argv[])
         t.commit ();
       }
     }
+
+    // Regression: BLOB in a value type used as a map value that is in a
+    // section.
+    //
+    {
+      using namespace test19;
+
+      object o;
+      o.m[1].b.assign (560, 'x'); // Size greater than the default image.
+
+      {
+        transaction t (db->begin ());
+        db->persist (o);
+        t.commit ();
+      }
+
+      {
+        // Hold "old" connection to force a new set of statements/image
+        // buffers.
+        //
+        connection_ptr c (db->connection ());
+
+        transaction t (db->begin ());
+        auto_ptr<object> p (db->load<object> (o.id));
+
+        db->load (*p, p->s);
+        assert (p->m[1].b == o.m[1].b);
+
+        t.commit ();
+      }
+    }
   }
   catch (const odb::exception& e)
   {
diff --git a/common/section/basics/test.hxx b/common/section/basics/test.hxx
index 60b69da..9dcb48a 100644
--- a/common/section/basics/test.hxx
+++ b/common/section/basics/test.hxx
@@ -597,4 +597,33 @@ namespace test18
   };
 }
 
+// Regression: BLOB in a value type used as a map value that is in a section.
+//
+#include <map>
+#include <vector>
+
+#pragma db namespace table("t19_")
+namespace test19
+{
+  #pragma db value
+  struct value
+  {
+    #pragma db type(BLOB_TYPE)
+    std::vector<char> b;
+  };
+
+  #pragma db object
+  struct object
+  {
+    #pragma db id auto
+    unsigned long id;
+
+    #pragma db load(lazy) update(always)
+    odb::section s;
+
+    #pragma db section(s)
+    std::map<int, value> m;
+  };
+}
+
 #endif // TEST_HXX