Unexpected error:	ERROR: deadlock detected LINE 2: FROM items, users ^ DETAIL: Process 1669311 waits for AccessShareLock on relation 268071193 of database 243509389; blocked by process 1669399. Process 1669399 waits for AccessExclusiveLock on relation 268071089 of database 243509389; blocked by process 1669311. HINT: See server log for query details. Query: SELECT * FROM items, users WHERE item_id=user_id AND user_username='anonymous'

Unexpected error:

ERROR: deadlock detected LINE 2: FROM items, users ^ DETAIL: Process 1669311 waits for AccessShareLock on relation 268071193 of database 243509389; blocked by process 1669399. Process 1669399 waits for AccessExclusiveLock on relation 268071089 of database 243509389; blocked by process 1669311. HINT: See server log for query details. Query: SELECT * FROM items, users WHERE item_id=user_id AND user_username='anonymous'