YoannAbriel commented on code in PR #62865:
URL: https://github.com/apache/airflow/pull/62865#discussion_r2914209055


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providers/mysql/src/airflow/providers/mysql/hooks/mysql.py:
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@@ -342,8 +342,13 @@ def bulk_load_custom(
         conn = self.get_conn()
         cursor = conn.cursor()
 
-        sql_statement = f"LOAD DATA LOCAL INFILE %s %s INTO TABLE `{table}` %s"
-        parameters = (tmp_file, duplicate_key_handling, extra_options)
+        # duplicate_key_handling and extra_options are SQL keywords (e.g. 
IGNORE, REPLACE)

Review Comment:
   Added `Literal["IGNORE", "REPLACE", ""]` type annotation and runtime 
validation for `duplicate_key_handling`.



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