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WIP:新增smartsql_util模块及通用时间条件方法 #10

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WIP:新增smartsql_util模块及通用时间条件方法 #10

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22 changes: 22 additions & 0 deletions smartsql_util.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Author: jack <jacktan.whu@foxmail.com>
#

from smartsql import Condition, Field


def common_datetime_wheres(f_datetime, start_time=None, end_time=None):

if not isinstance(f_datetime, Field):
raise TypeError("f_datetime must be a Field instance")

wheres = Condition('TRUE')

if start_time is not None:
wheres &= (f_datetime >= start_time)

if end_time is not None:
wheres &= (f_datetime < end_time)

return wheres