修改预测集sql，并加上if判断为空

eda/esmm/Model_pipline/feature_engineering.py

@@ -347,7 +347,7 @@ def get_predict(date,value_map,app_list_map,leve2_map,leve3_map):
         .toDF("y", "z", "app_list", "level2_list", "level3_list", "tag1_list", "tag2_list", "tag3_list", "tag4_list",
               "tag5_list", "tag6_list", "tag7_list", "ids", "search_tag2_list",
               "search_tag3_list","city","uid","cid_id")
-    if native.take(1).nonEmpty:
+    if native.count() > 0:
         print("预测集native有数据")
         native.repartition(1).write.format("tfrecords").save(path=path + "native/", mode="overwrite")
         print("native tfrecord done")
@@ -363,7 +363,7 @@ def get_predict(date,value_map,app_list_map,leve2_map,leve3_map):
               "tag5_list", "tag6_list", "tag7_list", "ids", "search_tag2_list",
               "search_tag3_list","city","uid","cid_id")
 
-    if nearby.take(1).nonEmpty:
+    if nearby.count() > 0:
         print("预测集nearby有数据")
         nearby.repartition(1).write.format("tfrecords").save(path=path + "nearby/", mode="overwrite")
         print("nearby tfrecord done")