Unexpected error:	ERROR: deadlock detected LINE 2: FROM items, users ^ DETAIL: Process 2529196 waits for AccessShareLock on relation 268392221 of database 243509389; blocked by process 2532141. Process 2532141 waits for AccessExclusiveLock on relation 268392119 of database 243509389; blocked by process 2529196. 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 2529196 waits for AccessShareLock on relation 268392221 of database 243509389; blocked by process 2532141. Process 2532141 waits for AccessExclusiveLock on relation 268392119 of database 243509389; blocked by process 2529196. HINT: See server log for query details. Query: SELECT * FROM items, users WHERE item_id=user_id AND user_username='anonymous'