1 files changed, 2 insertions, 1 deletions
diff --git a/psycopg/pqpath.c b/psycopg/pqpath.c
index 641a5af..62b8c15 100644
--- a/psycopg/pqpath.c
+++ b/psycopg/pqpath.c
@@ -1509,7 +1509,8 @@ pq_fetch(cursorObject *curs, int no_result)
     default:
         Dprintf("pq_fetch: uh-oh, something FAILED: pgconn = %p", curs->conn);
         pq_raise(curs->conn, curs, NULL);
-        IFCLEARPGRES(curs->pgres);
+        /* don't clear curs->pgres, because it contains detailed error
+           information */
         ex = -1;
         break;
     }