#
#
# patch "database.cc"
#  from [8fc87fee1363699af5621f703b85ae288b499491]
#    to [671178b4ec75c99172da57c7f1898fa6746afe8a]
# 
# patch "refiner.cc"
#  from [c0ce0399c404b5463a7e9952fd063f0c55b89f21]
#    to [ce1343babc5e7b22067afd8dd3de444a442c1e71]
#
============================================================
--- database.cc	8fc87fee1363699af5621f703b85ae288b499491
+++ database.cc	671178b4ec75c99172da57c7f1898fa6746afe8a
@@ -1816,6 +1816,9 @@ database::get_revision_ancestry(rev_ance
 void
 database::get_revision_ancestry(rev_ancestry_map & graph)
 {
+  // share some storage
+  id::symtab id_syms;
+  
   results res;
   graph.clear();
   fetch(res, 2, any_rows,
@@ -2566,6 +2569,9 @@ database::get_revision_cert_nobranch_ind
 database::get_revision_cert_nobranch_index(vector< pair<hexenc<id>,
                                            pair<revision_id, rsa_keypair_id> > > & idx)
 {
+  // share some storage
+  id::symtab id_syms;
+  
   results res;
   fetch(res, 3, any_rows,
         query("SELECT hash, id, keypair "
============================================================
--- refiner.cc	c0ce0399c404b5463a7e9952fd063f0c55b89f21
+++ refiner.cc	ce1343babc5e7b22067afd8dd3de444a442c1e71
@@ -241,6 +241,9 @@ refiner::process_done_command(size_t n_i
     }
 
   done = true;
+  
+  // we can clear up the merkle trie's memory now
+  table.clear();
 }