修改str cat函数

tensnsorflow/ffm.py

@@ -19,12 +19,12 @@ def con_sql(db,sql):
 
 def get_data():
     db = pymysql.connect(host='10.66.157.22', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='jerry_prod')
-    sql = "select * from esmm_data where stat_date >= '2018-11-20'"
+    sql = "select * from esmm_data where stat_date >= '2018-11-20' limit 6"
     esmm = con_sql(db,sql)
     esmm = esmm.rename(columns={0:"stat_date",1: "device_id",2:"ucity_id",3:"cid_id",4:"diary_service_id",5:"y",
                                 6:"z",7:"clevel1_id",8:"slevel1_id"})
     print("esmm data ok")
-    esmm["x"] =  esmm["y"].str.cat(esmm["z"].values.tolist(), sep=",")
+    esmm["x"] = esmm["stat_date"].str.cat(esmm["ucity_id"], sep=",")
     print(esmm.head())
     # print(esmm.shape)
     # db = pymysql.connect(host='10.66.157.22', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='eagle')