playing with BSONObjBuilder stream for building

and an example

client/examples/second.cpp

@@ -0,0 +1,33 @@
+// second.cpp
+
+#include <iostream>
+
+#include "mongo/client/dbclient.h"
+
+using namespace std;
+
+int main(){
+
+    DBClientConnection conn;
+    string errmsg;
+    if ( ! conn.connect( "127.0.0.1" , errmsg ) ){
+        cout << "couldn't connect : " << errmsg << endl;
+        throw -11;
+    }
+
+    const char * ns = "test.second";
+
+    conn.remove( ns , emptyObj );
+    
+    conn.insert( ns , BUILDOBJ( "name" << "eliot" << "num" << 17 ) );
+    conn.insert( ns , BUILDOBJ( "name" << "sara" << "num" << 24 ) );
+
+    auto_ptr<DBClientCursor> cursor = conn.query( ns , emptyObj );
+    cout << "using cursor" << endl;
+    while ( cursor->more() ){    
+        BSONObj obj = cursor->next();
+        cout << "\t" << obj.jsonString() << endl;
+    }
+    
+
+}