load query language into dict.

bordirlines.py

@@ -102,6 +102,7 @@ class BordIRLinesDataset(datasets.GeneratorBasedBuilder):
                 {
                     "query_id": datasets.Value("string"),
                     "query": datasets.Value("string"),
+                    "query_lang": datasets.Value("string"),
                     "territory": datasets.Value("string"),
                     "rank": datasets.Value("int32"),
                     "score": datasets.Value("float32"),
@@ -149,6 +150,7 @@ class BordIRLinesDataset(datasets.GeneratorBasedBuilder):
         n_hits = self.config.n_hits
         queries_df = pd.read_csv(queries_path, sep="\t")
         query_map = dict(zip(queries_df["query_id"], queries_df["query_text"]))
+        query_to_lang_map = dict(zip(queries_df["query_id"], queries_df["language"]))
         counter = 0
 
         docs = load_json(docs_path)
@@ -167,11 +169,13 @@ class BordIRLinesDataset(datasets.GeneratorBasedBuilder):
             doc_lang = row["doc_lang"]
             query_id = row["query_id"]
             query_text = query_map[query_id]
+            query_lang = query_to_lang_map[query_id]
             yield (
                 counter,
                 {
                     "query_id": query_id,
                     "query": query_text,
+                    "query_lang": query_lang,
                     "territory": row["territory"],
                     "rank": row["rank"],
                     "score": row["score"],