asin详情同步-兼容历史字段缺失

Pyspark_job/sqoop_import/ods_asin_detail.py

@@ -71,6 +71,30 @@ if __name__ == '__main__':
 
     check_syn(engine=engine)
 
+    # 源表(PG爬虫表)这7个字段是分阶段才有的，早于对应月份的源表没有这几列，
+    # 直接select会报"列不存在"，历史回溯同步时按date_info降级为对应类型的NULL占位
+    has_2025_cols = date_info >= '2025-01'  # bundles_this_asins_json/video_m3u8_url/result_list_json/bundle_asin_component_json/review_json_list/fbm_delivery_price
+    has_2026_cols = date_info >= '2026-01'  # amazon_label/landing_asin/sub_title
+
+    bundles_this_asins_json_expr = ("REPLACE(REPLACE(REPLACE(bundles_this_asins_json, E'\n',' '), E'\r',' '), E'\t',' ') AS bundles_this_asins_json"
+                                     if has_2025_cols else "CAST(NULL AS VARCHAR) AS bundles_this_asins_json")
+    video_m3u8_url_expr = ("REPLACE(REPLACE(REPLACE(video_m3u8_url, E'\n',' '), E'\r',' '), E'\t',' ') AS video_m3u8_url"
+                            if has_2025_cols else "CAST(NULL AS VARCHAR) AS video_m3u8_url")
+    result_list_json_expr = ("REPLACE(REPLACE(REPLACE(result_list_json, E'\n',' '), E'\r',' '), E'\t',' ') AS result_list_json"
+                              if has_2025_cols else "CAST(NULL AS VARCHAR) AS result_list_json")
+    bundle_asin_component_json_expr = ("REPLACE(REPLACE(REPLACE(bundle_asin_component_json, E'\n',' '), E'\r',' '), E'\t',' ') AS bundle_asin_component_json"
+                                       if has_2025_cols else "CAST(NULL AS VARCHAR) AS bundle_asin_component_json")
+    review_json_list_expr = ("REPLACE(REPLACE(REPLACE(review_json_list, E'\n',' '), E'\r',' '), E'\t',' ') AS review_json_list"
+                              if has_2025_cols else "CAST(NULL AS VARCHAR) AS review_json_list")
+    fbm_delivery_price_expr = "fbm_delivery_price" if has_2025_cols else "CAST(NULL AS NUMERIC) AS fbm_delivery_price"
+
+    amazon_label_expr = ("REPLACE(REPLACE(REPLACE(amazon_label, E'\n',' '), E'\r',' '), E'\t',' ') AS amazon_label"
+                         if has_2026_cols else "CAST(NULL AS VARCHAR) AS amazon_label")
+    landing_asin_expr = ("REPLACE(REPLACE(REPLACE(landing_asin, E'\n',' '), E'\r',' '), E'\t',' ') AS landing_asin"
+                         if has_2026_cols else "CAST(NULL AS VARCHAR) AS landing_asin")
+    sub_title_expr = ("REPLACE(REPLACE(REPLACE(sub_title, E'\n',' '), E'\r',' '), E'\t',' ') AS sub_title"
+                      if has_2026_cols else "CAST(NULL AS VARCHAR) AS sub_title")
+
     query = f"""
         SELECT
         id,
@@ -138,18 +162,18 @@ if __name__ == '__main__':
         REPLACE(REPLACE(REPLACE(img_list, E'\n',' '), E'\r',' '), E'\t',' ') AS img_list,
         REPLACE(REPLACE(REPLACE(variat_list, E'\n',' '), E'\r',' '), E'\t',' ') AS variat_list,
         REPLACE(REPLACE(REPLACE(parent_asin, E'\n',' '), E'\r',' '), E'\t',' ') AS parent_asin,
-  REPLACE(REPLACE(REPLACE(bundles_this_asins_json, E'\n',' '), E'\r',' '), E'\t',' ') AS bundles_this_asins_json,
-  REPLACE(REPLACE(REPLACE(video_m3u8_url, E'\n',' '), E'\r',' '), E'\t',' ') AS video_m3u8_url,
-  REPLACE(REPLACE(REPLACE(result_list_json, E'\n',' '), E'\r',' '), E'\t',' ') AS result_list_json,
-  REPLACE(REPLACE(REPLACE(bundle_asin_component_json, E'\n',' '), E'\r',' '), E'\t',' ') AS bundle_asin_component_json,
-  REPLACE(REPLACE(REPLACE(review_json_list, E'\n',' '), E'\r',' '), E'\t',' ') AS review_json_list,
-  fbm_delivery_price,
-  REPLACE(REPLACE(REPLACE(amazon_label, E'\n',' '), E'\r',' '), E'\t',' ') AS amazon_label,
-  REPLACE(REPLACE(REPLACE(landing_asin, E'\n',' '), E'\r',' '), E'\t',' ') AS landing_asin,
-  REPLACE(REPLACE(REPLACE(sub_title, E'\n',' '), E'\r',' '), E'\t',' ') AS sub_title
-FROM {import_table}
-WHERE  1=1 AND \$CONDITIONS
-"""
+        {bundles_this_asins_json_expr},
+        {video_m3u8_url_expr},
+        {result_list_json_expr},
+        {bundle_asin_component_json_expr},
+        {review_json_list_expr},
+        {fbm_delivery_price_expr},
+        {amazon_label_expr},
+        {landing_asin_expr},
+        {sub_title_expr}
+        FROM {import_table}
+        WHERE  1=1 AND \$CONDITIONS
+    """
 
     engine.sqoop_raw_import(
         # query=f"SELECT {cols} FROM {import_table} WHERE 1=1 and \$CONDITIONS",