add multi file

tensnsorflow/multi.py

@@ -12,9 +12,8 @@ def test():
     spark = SparkSession.builder.enableHiveSupport().getOrCreate()
     ti = pti.TiContext(spark)
     ti.tidbMapDatabase("jerry_test")
-    spark.sql("select max(stat_date) from esmm_train_data").show()
-    # validate_date = spark.sql("select max(stat_date) from esmm_train_data")
-    # .rdd.map(lambda x:str(x[0])).collect()[0]
+
+    validate_date = spark.sql("select max(stat_date) from esmm_train_data").rdd.map(lambda x: str(x[0]))
     # print("validate_date:" + validate_date)
     # temp = datetime.datetime.strptime(validate_date, "%Y-%m-%d")
     # start = (temp - datetime.timedelta(days=10)).strftime("%Y-%m-%d")