Re: [PR] Modify the dataset macro to adapt to oracle [superset]

Fri, 08 Aug 2025 00:31:55 -0700 


korbit-ai[bot] commented on code in PR #34613:
URL: https://github.com/apache/superset/pull/34613#discussion_r2262165900


##########
superset/jinja_context.py:
##########
@@ -948,7 +948,12 @@ def dataset_macro(
     }
     sqla_query = dataset.get_query_str_extended(query_obj, mutate=False)
     sql = sqla_query.sql
-    return f"(\n{sql}\n) AS dataset_{dataset_id}"
+    # Check database type to determine whether to use AS keyword
+    database_type = dataset.database.backend.lower()
+    if database_type == 'oracle':
+        return f"(\n{sql}\n) dataset_{dataset_id}"
+    else:
+        return f"(\n{sql}\n) AS dataset_{dataset_id}"

Review Comment:
   ### Database-specific logic not properly abstracted <sub>![category 
Design](https://img.shields.io/badge/Design-0d9488)</sub>
   
   <details>
     <summary>Tell me more</summary>
   
   ###### What is the issue?
   Database-specific logic is directly embedded in the dataset_macro function, 
violating the Open-Closed Principle and mixing concerns.
   
   
   ###### Why this matters
   This makes it harder to add support for new databases and creates 
maintenance overhead. Database-specific syntax handling should be delegated to 
the respective database engine specs.
   
   ###### Suggested change ∙ *Feature Preview*
   Move the AS keyword handling to the database engine specs:
   ```python
   def dataset_macro(dataset_id: int, ...):
       ...
       sql = sqla_query.sql
       alias_syntax = dataset.database.db_engine_spec.get_alias_syntax()
       return f"(\n{sql}\n){alias_syntax}dataset_{dataset_id}"
   ```
   
   
   ###### Provide feedback to improve future suggestions
   [![Nice 
Catch](https://img.shields.io/badge/👍%20Nice%20Catch-71BC78)](https://app.korbit.ai/feedback/aa91ff46-6083-4491-9416-b83dd1994b51/3c9f8780-1e56-439a-9e1b-35ecf2d08926/upvote)
 
[![Incorrect](https://img.shields.io/badge/👎%20Incorrect-white)](https://app.korbit.ai/feedback/aa91ff46-6083-4491-9416-b83dd1994b51/3c9f8780-1e56-439a-9e1b-35ecf2d08926?what_not_true=true)
  [![Not in 
Scope](https://img.shields.io/badge/👎%20Out%20of%20PR%20scope-white)](https://app.korbit.ai/feedback/aa91ff46-6083-4491-9416-b83dd1994b51/3c9f8780-1e56-439a-9e1b-35ecf2d08926?what_out_of_scope=true)
 [![Not in coding 
standard](https://img.shields.io/badge/👎%20Not%20in%20our%20standards-white)](https://app.korbit.ai/feedback/aa91ff46-6083-4491-9416-b83dd1994b51/3c9f8780-1e56-439a-9e1b-35ecf2d08926?what_not_in_standard=true)
 
[![Other](https://img.shields.io/badge/👎%20Other-white)](https://app.korbit.ai/feedback/aa91ff46-6083-4491-9416-b83dd1994b51/3c9f8780-1e56-439a-9e1b-35ecf2d08926)
   </details>
   
   <sub>
   
   💬 Looking for more details? Reply to this comment to chat with Korbit.
   </sub>
   
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