Update baidu-ultr_baidu-mlm-ctr.py

baidu-ultr_baidu-mlm-ctr.py

@@ -264,7 +264,7 @@ class BaiduUltrBuilder(datasets.GeneratorBasedBuilder):
         
         for file in files:
             df = pd.read_feather(file)
-            current_query_id = None
+            current_query = None
             query_no = 0
             sample_key = None
             sample = None
@@ -272,13 +272,13 @@ class BaiduUltrBuilder(datasets.GeneratorBasedBuilder):
             for i in range(len(df)):
                 row = df.iloc[i]
 
-                if current_query_id != row["query_id"]:
+                if current_query != row["query_md5"]:
                     query_no += 1
                     
-                    if current_query_id is not None:
+                    if current_query is not None:
                         yield sample_key, sample
 
-                    current_query_id = row["query_id"]
+                    current_query = row["query_md5"]
                     # Use the query number in sample_key as query_ids are not unique.
                     sample_key = f"{file}-{query_no}"
                     sample = {"n": 0}