fix date sql

prepareData.py

@@ -10,9 +10,10 @@ def fetch_data(start_date, end_date):
 
     # 获取点击表里的数据
     sql = "select cid,device_id,time,stat_date from data_feed_click " \
-          "where stat_date >= {0} and stat_date <= {1}".format(start_date, end_date)
+          "where stat_date >= '{0}' and stat_date <= '{1}'".format(start_date, end_date)
     click = con_sql(sql)
     click = click.rename(columns={0: "cid", 1: "device_id", 2: "time_date", 3: "stat_date"})
+    print(click.head(5))
     print("成功获取点击表里的数据")
     # 从time特征中抽取hour
     click["hour"] = click["time_date"].apply(lambda x: datetime.datetime.fromtimestamp(x).hour)
@@ -23,7 +24,7 @@ def fetch_data(start_date, end_date):
 
     # 获取曝光表里的数据
     sql = "select cid,device_id,time,stat_date from data_feed_exposure " \
-          "where stat_date >= {0} and stat_date <= {1}".format(start_date, end_date)
+          "where stat_date >= '{0}' and stat_date <= '{1}'".format(start_date, end_date)
     exposure = con_sql(sql)
     exposure = exposure.rename(columns={0: "cid", 1: "device_id", 2: "time_date", 3: "stat_date"})
     print("成功获取曝光表里的数据")