Optimized loading of vouchers for Paid Vouchers Dialog.

shop/data/voucher.h

@@ -9,6 +9,7 @@
 #include <season.h>
 #include <odb/core.hxx>
 #include <odb/qt/list.hxx>
+#include <odb/section.hxx>
 
 #include "voucheritem.h"
 
@@ -171,6 +172,9 @@ public:
     QDateTime updated() const;
     void setUpdated(const QDateTime &updated);
 
+#pragma db load(lazy)
+    odb::section m_itemsSection;
+
 private:
     friend class odb::access;
 #pragma db id auto
@@ -198,7 +202,7 @@ private:
     QString m_eetPkp;
     QString m_eetBkp;
     QString m_eetFik;
-    #pragma db value_not_null inverse(m_voucher)
+#pragma db value_not_null inverse(m_voucher) section(m_itemsSection)
     QOdbList<QSharedPointer<VoucherItem> > m_items;
     VoucherStatus m_status;
     SeasonPtr m_season;