Add support for result caching

1 files changed, 15 insertions, 0 deletions

diff --git a/odb/result.hxx b/odb/result.hxx
index 7501326..163b619 100644
--- a/odb/result.hxx
+++ b/odb/result.hxx
@@ -67,6 +67,9 @@ namespace odb
     virtual void
     next () = 0;
 
+    virtual void
+    cache () = 0;
+
   protected:
     void
     current (pointer_type p)
@@ -216,6 +219,18 @@ namespace odb
       return *this;
     }
 
+    // Cache the result instead of fetching the data from the database
+    // one object at a time. This is necessary if you plan on performing
+    // database operations while iterating over the result.
+    //
+  public:
+    void
+    cache ()
+    {
+      if (impl_)
+        impl_->cache ();
+    }
+
   public:
     iterator
     begin ()