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				@@ -149,7 +149,7 @@ def h_timer_check(): 
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				     else: 
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				         log_.info("上游数据就绪,count={},开始读取数据表".format(table_data_cnt)) 
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				         # 2 读取数据表 处理特征 
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				-        previous_date_str = datetime.strptime(date, "%Y%m%d") - timedelta(days=1).strftime("%Y%m%d") 
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				+        previous_date_str = (datetime.strptime(date, "%Y%m%d") - timedelta(days=1)).strftime("%Y%m%d") 
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				         video_list = get_sql(date, previous_date_str, project) 
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				         # 3 写入redis 
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				         log_.info("video的数据量:{}".format(len(video_list))) 
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