session_shared: don't reset timestap for query match

If an existing result set is found matching the current query, the
timestamp for "last use of set" is no longer reset.

diff --git a/src/filter_session_shared.cpp b/src/filter_session_shared.cpp
index 736ae69..cccaee8 100644 (file)
--- a/src/filter_session_shared.cpp
+++ b/src/filter_session_shared.cpp
@@ -667,7 +667,6 @@ restart:
                             found_set = *set_it;
                             found_backend = *it;
                             bc->use_backend(found_backend);
-                            found_set->timestamp();
                             // found matching set. No need to search again
                             return;
                         }