Added a way for client code to see what MongoDB query would be sent to a server when a LINQ query is executed.

Author: rstam

Driver/Linq/MongoQueryProvider.cs

@@ -58,6 +58,16 @@ public MongoCollection Collection
         }
 
         // public methods
+        /// <summary>
+        /// Builds the MongoDB query that will be sent to the server when the LINQ query is executed.
+        /// </summary>
+        /// <returns>The MongoDB query.</returns>
+        public IMongoQuery BuildMongoQuery<T>(MongoQueryable<T> query)
+        {
+            var translatedQuery = MongoQueryTranslator.Translate(this, ((IQueryable)query).Expression);
+            return ((SelectQuery)translatedQuery).BuildQuery();
+        }
+
         /// <summary>
         /// Creates a new instance of MongoQueryable{{T}} for this provider.
         /// </summary>

Driver/Linq/MongoQueryable.cs

@@ -82,6 +82,15 @@ public IEnumerator<T> GetEnumerator()
             return ((IEnumerable<T>)_provider.Execute(_expression)).GetEnumerator();
         }
 
+        /// <summary>
+        /// Gets the MongoDB query that will be sent to the server when this LINQ query is executed.
+        /// </summary>
+        /// <returns>The MongoDB query.</returns>
+        public IMongoQuery GetMongoQuery()
+        {
+            return _provider.BuildMongoQuery(this);
+        }
+
         // explicit implementation of IEnumerable
         IEnumerator IEnumerable.GetEnumerator()
         {