52741	Jan 20 10:58:19 newsilver postgres[16185]: [3-1] ERROR:  deadlock detected
 52742	Jan 20 10:58:19 newsilver postgres[16185]: [3-2] DETAIL:  Process 16185 waits for ShareLock on transaction 4513502; blocked by process 15649.
 52743	Jan 20 10:58:19 newsilver postgres[16185]: [3-3] 	Process 15649 waits for ShareLock on transaction 4513503; blocked by process 16185.
 52744	Jan 20 10:58:19 newsilver postgres[16185]: [3-4] STATEMENT:  update advertiser_placements set expected_end_date=$1 where id=$2