change test file

tensnsorflow/test.py

@@ -23,19 +23,20 @@ def esmm_pre():
     print(yesterday)
 
     spark = SparkSession.builder.enableHiveSupport().getOrCreate()
-
     gw = SparkContext._gateway
-    java_import(gw.jvm, "org.apache.spark.sql.TiContext")
-    # java_import(gw.jvm, "org.apache.spark.sql.TiExtensions")
-    # conf = SparkConf().setAppName("esmm_pre").set("spark.io.compression.codec", "lzf")
 
+    # Import TiExtensions
+    java_import(gw.jvm, "org.apache.spark.sql.TiExtensions")
+
+    # Inject TiExtensions, and get a TiContext
     ti = gw.jvm.TiExtensions.getInstance(spark._jsparkSession).getOrCreateTiContext(spark._jsparkSession)
 
-    # Map database as old api does
     ti.tidbMapDatabase("jerry_test")
 
     # sql("use tpch_test")
     spark.sql("select count(*) from esmm_pre_data").show(6)
+
+    # conf = SparkConf().setAppName("esmm_pre").set("spark.io.compression.codec", "lzf")
 #
 #     spark.sql("""
 #     select concat(tmp1.device_id,",",tmp1.city_id) as device_city, tmp1.merge_queue from (select device_id,if(city_id='world','worldwide',city_id) city_id,similarity_cid as merge_queue from nd_device_cid_similarity_matrix