persist
  pre_persist 1
  post_persist 1
  pre_persist 2 const
  post_persist 2 const
***
load
  pre_load 0
  post_load 1
  pre_load 0
  post_load 2
***
query
  pre_load 0
  post_load 1
  pre_load 0
  post_load 2
***
update
  pre_load 0
  post_load 1
  pre_load 0
  post_load 2
  pre_update 1
  post_update 1
  pre_update 2 const
  post_update 2 const
***
erase
  pre_load 0
  post_load 1
  pre_load 0
  post_load 2
  pre_erase 1 const
  post_erase 1 const
  pre_erase 2
  post_erase 2
***
delayed load
  pre_persist 1
  post_persist 1
  pre_persist 2
  post_persist 2
  pre_persist 3
  post_persist 3
  pre_persist 4
  post_persist 4
  pre_load 0
  pre_load 0
  pre_load 0
  post_load 3
  post_load 2
  pre_load 0
  post_load 4
    2 4 4
  post_load 1
  pre_load 0
  post_load 4
    1 4 4
1 4 4
2 4 4
***