*** pgsql/src/backend/utils/misc/postgresql.conf.sample	2010/04/12 09:52:29	1.282
--- pgsql/src/backend/utils/misc/postgresql.conf.sample	2010/04/19 00:55:26	1.283
***************
*** 206,211 ****
--- 206,212 ----
  #enable_hashagg = on
  #enable_hashjoin = on
  #enable_indexscan = on
+ #enable_material = on
  #enable_mergejoin = on
  #enable_nestloop = on
  #enable_seqscan = on