-fix

1 files changed, 7 insertions, 2 deletions

diff --git a/src/datastore/plugin_datastore_postgres.c b/src/datastore/plugin_datastore_postgres.c
index bbbbf9534..6dec3146d 100644
--- a/src/datastore/plugin_datastore_postgres.c
+++ b/src/datastore/plugin_datastore_postgres.c
@@ -236,13 +236,18 @@ postgres_plugin_estimate_size (void *cls)
   {
     return 0;
   }
-  if ((PQntuples (ret) != 1) || (PQnfields (ret) != 1) ||
-      (PQgetlength (ret, 0, 0) != sizeof (unsigned long long)))
+  if ((PQntuples (ret) != 1) || (PQnfields (ret) != 1) )
   {
     GNUNET_break (0);
     PQclear (ret);
     return 0;
   }
+  if (PQgetlength (ret, 0, 0) != sizeof (unsigned long long))
+  {
+    GNUNET_break (0 == PQgetlength (ret, 0, 0));
+    PQclear (ret);
+    return 0;
+  }
   total = GNUNET_ntohll (*(const unsigned long long *) PQgetvalue (ret, 0, 0));
   PQclear (ret);
   return total;