import random
import time


def get_uid():
    return hex(int(time.time() * 10 ** 7) + random.randint(0, 10000))[2:]


# 获取筛选条件的包含关系
def get_bijiao(bijiao):
    if bijiao == '==' or bijiao == 'in' or bijiao == 'like' or bijiao == 'is not null':
        return "IN"
    elif bijiao == '!=' or bijiao == 'not like' or bijiao == 'is null':
        return 'NOT LIKE'