bsphere

import Queue
import threading

class WorkerThread(threading.Thread):
    def __init__(self, q):
        super(WorkerThread, self).__init__()
        
        self q = q
        self.exception = None
        

scaryguy

-- Firstly, remove PRIMARY KEY attribute of former PRIMARY KEY
ALTER TABLE <table_name> DROP CONSTRAINT <table_name>_pkey;

-- Then change column name of  your PRIMARY KEY and PRIMARY KEY candidates properly.
ALTER TABLE <table_name> RENAME COLUMN <primary_key_candidate> TO id;